ゼロシーセブン List of Products and Services

Seenel's MedelOpt system adapts from EEG/fNIRS modalities to hyperscanning, supporting various interests and challenges. The unique design developed by researchers for researchers achieves biphasic to flexible modularity. ▪️MedelOpt FNIRS Mobility System: A high-density NIRS with a flexible and adaptable headset that features simultaneous recording capabilities for EEG. ▪️MedelOpt FNIRS Infinity System: Achieves high-density mapping with extensive mobility, supporting measurements of up to 8 hours. ▪️MedelOpt FNIRS VR System: Provides an integrated solution for virtual reality using NIRS or NIRS+EEG. ▪️MedelOpt FNIRS Tandem System: Offers two headsets for synchronous acquisition, hyperscanning, and social interaction.

• Other measurement, recording and measuring instruments

The "T-PLATE" from medicapteurs is equipped with powerful, highly sensitive, and long-lasting sensors, enabling the professional and accurate acquisition of foot pressure data. With dedicated software, it allows for measurements in static, balance, and dynamic conditions. The "T-PLATE30" is a commemorative model celebrating the 30th anniversary of medicapteurs. It has a wider sensing area than the T-PLATE. ◾️ medicapteurs has over 30 years of history in the development, manufacturing, and sales of foot pressure measurement products. More than 20,000 devices are in operation worldwide, and there are over 300 scientific papers and publications that have utilized medicapteurs products.

• Sensors

"APEX" is a compact 24-channel/32-channel EEG measurement device suitable for ERP, during movement, and during sleep measurements. The analog bandwidth ranges from DC to 350Hz. The reference channel is customizable. We also offer a mobile measurement device "SAGA" that supports 32-channel/64-channel EEG and multi-point electromyography. 【APEX Specifications (Excerpt)】 ■ Number of Channels: 24ch/32ch ■ Resolution: 24bit ■ Input Impedance: >2GΩ ■ Battery Life: 4 hours (additional extended battery available) ■ Dimensions: 150×75×30mm ■ Weight: 240g *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

Electromyography measurement EMG (electromyography) records the potentials generated by muscle contractions and converts them into waveforms. Features ● It supports EMG measurements at various sites through a combination of active electrodes and plate electrodes. ● It can also be used in synchronization with grip strength meters, accelerometers, goniometers, muscle sound meters, and stimulation devices. ● Data can be captured in synchronization with the video from a webcam. ● There is also a lineup of EMG amplifiers for MRI use.

• Public Testing/Laboratory

A compact eye-tracking system that can be added to the standalone analysis software AcqKnowledge, allowing for reliable data recording with head-free measurement. The sampling rates are 40Hz, 60Hz, 120Hz, and 200Hz. It automatically outputs fixation, fixation duration, blink, and pupil size. By adding the license key: ACK100W-EYE to AcqKnowledge, you can use it to output data such as fixation points, trajectories, pie charts, and KPIs, and it can synchronize with physiological signals like heart rate and EDA, which can be captured wirelessly via MP160 or MP36R. Compact and robust, it features a design that is 1 inch smaller than the previous model, and the rear USB connector is built to withstand shocks. Expanded head movement tolerance: The 10mm lens achieves a 15% increase in head movement tolerance compared to the previous model. Improved measurement accuracy outdoors: The optical filter built into the front panel allows for stable measurements even near windows or in unfavorable environments.

• Public Testing/Laboratory

Glass-type eye tracker: A wearable eye tracking device that synchronizes ETVision with biological signals. With the LAOI (Live Area Of Interest) feature, it is possible to automatically recognize the set area of interest (AOI) in real-time again, even if it goes out of the scene camera during measurement.

• Public Testing/Laboratory

APEX is a wearable, compact, and lightweight research EEG measurement system that supports 24-channel and 32-channel configurations. It is an ideal product for measuring ERP, during movement, and during sleep. You can choose between 24 channels and 32 channels for measurement. Its compact and small design makes it easy to handle, and the active shield cables ensure high-quality data. The analog bandwidth ranges from DC to 350Hz. The reference channel can be customized. The stability of the head cap, connection to the PC, monitoring of measurement conditions, and battery level are visualized through LEDs on the front of the device, making it easy to understand the situation and providing excellent intuitive operability.

• Other measurement, recording and measuring instruments

Grapevine Trek (for primates/small animals) is designed for seamless stimulation and recording, capable of fitting hundreds of channels into a palm-sized device. With wireless data transmission, built-in batteries, analog/digital I/O modules, and onboard processing capabilities, we offer solutions for complex experiments. [Features] ■ Stimulation/recording of up to 512 channels ■ Portable ■ Connection and synchronization with third-party products via optional analog and digital modules ■ Reduced signal recovery time to 1 mSec after stimulation

• Other measurement, recording and measuring instruments

The MoorVMS-LDF-HP is a high-output model designed to measure from the surface of the tissue to deeper vascular beds. ■ Laser output: up to 20mW A variety of probes are also provided to accommodate different measurement sites. The device itself is equipped with temperature measurement functionality, allowing for simultaneous measurement of blood flow and temperature at the same site. By using optional software (MoorVMS-PC Software) that operates on Windows OS, waveform display and various statistics can be performed for data acquisition and analysis.

• Other measurement, recording and measuring instruments

moorVMS-NIRS allows for the measurement of the oxygenation state of deep tissues using near-infrared spectroscopy. It is utilized in measurements of muscles during exercise, and since it can perform dual-channel measurements, comparisons between different measurement sites can be made.

• Other measurement, recording and measuring instruments

MoorO2Flo can simultaneously measure the relative concentrations of tissue oxyhemoglobin and deoxyhemoglobin non-invasively, as well as blood flow using the principle of laser speckle. The measurement area can range from 5.6mm×7.5mm to 150mm×200mm, achieved through a 10x optical zoom. The measurement frame can be captured at a maximum of 20 frames per second, with each frame containing blood flow images, oxyHb images, deoxyHb images, and color images.

• Other measurement, recording and measuring instruments

EyeSeeCam Sci synchronizes head movements recorded by an integrated inertial sensor with eye movements recorded by a high-speed camera, achieving high precision in recording. With goggles designed to minimize slip and a sampling rate of 220Hz, it allows for simultaneous recording of both eyes, making it an ideal device for recording and analyzing eye movements in response to head movements. In addition to vHIT recordings, it is also capable of accommodating VOR in real-world scenarios.

• Other inspection equipment and devices

The high-quality Manus Prime X series is a glove-type motion capture device that streams hand and finger movements in real-time. It features flex sensors that measure two joints per finger, along with 11DOF tracking using IMU technology, allowing for the capture of intricate finger movements. Optimized for various optical motion capture systems and VR applications, it provides unprecedented hand capture data with accurate finger tracking and a smooth framework. Manus Prime X Series <Prime X MarkerMocap> A model designed for motion capture professionals compatible with optical motion capture systems. <Prime X Haptic VR> A model equipped with a programmable LRA haptic module that allows users to feel feedback. <Xsens Gloves by Manus> A model optimized for use with the inertial motion capture system "Xsens MVN." *For more details, please download the PDF or contact us.

• 3D measuring device
• Virtual Reality Related

The "SenseGlove Nova" is a VR glove that allows users to realistically experience the shape, texture, and rigidity of objects in virtual space, as well as the impact and resistance felt in the hand. Thanks to the unique haptic feedback technology developed by SenseGlove, it reproduces the weight of various objects through brake modules installed in each finger. Additionally, it features vibration actuator technology that simulates the tactile sensation of button clicks, enabling a more realistic VR training experience. 【Features】 ■ Advanced haptic and vibration technology with smooth hand tracking ■ No need for bulky equipment other than the glove, making it easy to handle ■ Can be connected to a PC via 2.4GHz wireless serial communication ■ Easily detachable and compatible with various types of headsets *For more details, please feel free to contact us.

• Other measurement, recording and measuring instruments

SAGA32+ and SAGA64+ for HDsEMG are compactly designed bioelectrical signal measurement and analysis systems that enable high-quality data acquisition on mobile devices. Neuromuscular disorders have been diagnosed using needle electromyography in combination with motor nerve conduction studies. Many research groups around the world have begun to evaluate the potential of high-density surface electromyography (HDsEMG) using high-density arrays of individual electrodes to obtain information from muscles, rather than using needle electromyography. It is believed that the evaluation of motor fiber conduction velocity (MFCV) measurements will become effective.

• Other measurement, recording and measuring instruments

EyeSeeCam is a system for the video Head Impulse Test (vHIT) equipped with goggles that have a high-speed camera and inertial sensors. It calculates the VOR gain by measuring eye movements with a high-speed camera in response to head movements, allowing for efficient detection of lateral differences in the semicircular canals. The goggles are designed to be lightweight and compact, ensuring they do not shift with head movements, and their simple configuration, consisting of just a laptop and goggles, makes it easy to transport to the bedside. 【Features】 - Simple evaluation of the functions of the lateral, anterior, and posterior semicircular canals - Acquisition of absolute VOR values - Compatible with SHIMP testing - Lightweight goggles weighing 72g (including the camera) - Easy calibration using a laser pointer

• Other measurement, recording and measuring instruments

The "MP SYSTEM Series" by BIOPAC Systems is a data recording and analysis system capable of supporting various scenarios such as basic medicine and ergonomics. It allows for flexible system construction by capturing biological signals through combinations of various bioamplifiers and transducers in the "MP SYSTEM Series," as well as signal acquisition through combinations of bioamplifiers and external measuring devices. 【Features】 ■ 16-bit resolution: High-precision A/D conversion ■ 16-channel analog input: Simultaneous data acquisition from 16 channels ■ 16 digital I/O: Monitoring at TTL levels and output of digital ON/OFF information ■ Ethernet communication: Transmission speed of 10MBPS between MP160 and PC, allowing control from a PC on the LAN ■ High buffer size: 6M samples ■ Trigger mode: Easy synchronization measurement with external devices 【Template-based analysis automation】 With "AcqKnowledgeWork," all tasks such as data analysis, repetitive processing, and filter settings can be fully automated. *For more details, please request materials or view the PDF data from the download.

• Data Logger

Titan is a testing device that can handle impedance (audiometer)/ABR (auditory brainstem response)/OAE (otoacoustic emissions)/ABRIS (newborn screening) tests by adding modules, all in one unit. Its lightweight and compact design allows for easy transportation to the bedside. By adding various modules to the basic configuration of Titan, additional functionalities can be incorporated.

• Other measurement, recording and measuring instruments

This is an ultra-compact IMU sensor equipped with the sensor fusion algorithm from Xsens, a leading company in IMUs. It supports the development environment for wearable sensing applications at an affordable price. ■ Achieves low-cost integration of research-level high-precision sensors It supports an API/SDK that makes it easy to build user applications for directly measuring and evaluating human motion data on Android and iOS devices. We offer a 9-axis IMU equipped with world-class sensor fusion algorithms at a low price. ■ Revolutionary design With a compact design measuring 36 x 30 x 10mm and weighing 10g, it features an IP68 waterproof and dustproof design. It supports a battery life of up to 6 hours and has passed Japan's technical conformity tests. The starter set includes 5 units and supports everything needed for development. ● You can download the Xsens DOT datasheet (PDF) from the link below.

• Other electronic measuring instruments

Atys Medical has been manufacturing transcranial Doppler devices for over 25 years. It has evolved into a product equipped with the expected functions of a transcranial Doppler blood flow meter. The robotic probe used in the WAKIe series significantly simplifies signal searching and allows for stable measurements.

• Other measurement, recording and measuring instruments

moorVMS is a high-performance blood flow module that supports a variety of applications. It can measure peripheral blood flow and surface temperature in real-time, and additional modules can be added for multi-channel measurements. It can be used in combination with other modules, allowing for the construction of an excellent system tailored not only for blood flow and temperature measurements but also for microcirculation measurements. The measurement probes are diverse, including those compatible with surface temperature measurement. 【Main Features】 ■ Multi-channel: You can choose from single/dual-channel models, and these models can be combined for multi-channel use. ■ Built-in memory probes: All probes have embedded memory information, eliminating the need for calibration with each measurement. ■ Lightweight design: The module is designed to be extremely lightweight, ensuring it remains compact even when additional modules are added. ■ Software: User-friendly dedicated software that allows for real-time monitoring and has robust analysis features.

• Other measurement, recording and measuring instruments

The moorFLPI-2 is a laser speckle blood flow imaging device that performs measurements in video format. Since it measures in video rather than using a scanning method, it allows for real-time blood flow measurement. The measured data can be saved in video format, enabling playback as a movie after measurement. The distance to the measurement target can be up to 45 cm, allowing for free area measurements of up to 8x12 cm. The measurement speed is up to 25 frames per second, making it possible to measure rapid changes in blood flow. The standard accompanying software includes various features such as video playback, saving still images frame by frame, and still image measurements at arbitrary intervals, in addition to normal analysis functions. 【Main Features】 ■ Non-contact: Measurements are taken non-contact, so there is no burden on the measurement site. ■ Real-time: Real-time measurement of tissue blood flow is possible with video measurements at up to 25 frames per second. ■ Low-output laser: Utilizing a Class 1 low-output laser, there is no need to use protective goggles. ■ Multiple measurement modes: It is possible to perform still image measurements at arbitrary intervals with an automatic saving function, as well as time-series measurements, which can be conducted simultaneously with video measurements.

• Other measurement, recording and measuring instruments

A projector is installed at the rear of the magnet, and visual stimuli are output in XVGA (1024×768) signal. An optional downconverter is also available for output in NTSC signal. Unlike commercially available projectors, the lens and brightness are suitable for the MRI environment, allowing for simple brightness adjustments and immediate presentation of the required images.

• Other measurement, recording and measuring instruments

It is a system that functions as a sound stimulation device in an MRI environment and allows for bidirectional communication between the subject and the operator. By using the optional RealFriend, the operator can communicate with the subject within the scan room. With the 1/3 octave filter setting, it outputs sound with a volume difference of ±4dB between 200 and 4000Hz. Even with a sound card that does not have sufficient output signal levels, it can output at a gain of 10 times the source.

• Other measurement, recording and measuring instruments

Epoch is a wireless data acquisition system for EEG/ECoG/ECG in small animals. Since it is wireless, there is no worry about tangled cables, allowing for long-duration measurements. Once the transmitter (amplifier) is set up, it can operate continuously for 2 weeks, 2 months, or 6 months (selectable). It supports 1 channel for ECG and up to 2 channels for EEG. The signals are output in analog form, so existing data loggers or BIOPAC's MP160 can also be used as data loggers.

• Other measurement, recording and measuring instruments

The Braedius system is a state-of-the-art capillary blood flow monitoring device that employs IDF (Incident Dark Field illumination) technology. Unlike the conventional SDF method, where light is directed perpendicularly to the subject, the IDF method shines light at an angle, reducing reflections and allowing for clearer video capture. 【Main Features】 ■ It can be used immediately by simply connecting the pen-type dedicated camera to a PC via USB. ■ It monitors over 30% more vascular volume compared to traditional measurement methods. ■ The dedicated software automatically acquires vascular systems and density.

• Other measurement, recording and measuring instruments

The MoorLDI2-HIR is a high-resolution model that can measure with a resolution of 0.1mm per pixel, equipped with a 785nm semiconductor laser. It can visualize images at a maximum resolution of 256×256 pixels and is capable of measuring areas ranging from a minimum of 2.5cm x 2.5cm to a maximum of 5cm x 5cm. Compared to the MoorLDI2-IR, it has a spatial resolution of 0.1mm per pixel, making it suitable for measuring smaller areas (such as the surface of small animal brains, fundus, and organ surface blood flow) at high resolution, particularly excelling in measurements taken at close distances. 【Main Features】 ■ Non-contact: It measures tissues non-contact, so there is no burden on the measurement site. ■ High resolution: It is capable of blood flow imaging at a maximum resolution of 256×256 pixels. The resolution setting can be configured as desired. ■ Software: The analysis software is user-friendly and compatible with various applications. ■ CCD camera: A CCD camera is standardly equipped, allowing for simultaneous acquisition of color images of the measurement site.

• Other measurement, recording and measuring instruments

The QUEST processor series includes the 【QUEST HD】 and 【QUEST HD+STIM】. Both models come in 64-channel and 512-channel versions, and each can connect front-end channels with either 32-channel or 128-channel models, so the minimum recording count starts from 32 channels. The 64-channel QUEST processor can connect up to 2 front-ends, while the 512-channel QUEST processor can connect up to 16 front-ends (32-channel model front-ends). Stimulus output and EEG recording can be switched on the same pin of each front-end. The interval required to switch between stimulus output and EEG recording is 33μSec. For example, it is possible to send a stimulus to pin 3 and then pick up EEG from the same pin 3 after 33μSec.

• Other measurement, recording and measuring instruments

The moorLDI2-IR is the standard model of the LDI series, a blood flow imaging device equipped with a 785nm semiconductor laser. It can image with a maximum resolution of 256×256 pixels and is capable of measuring areas ranging from a minimum of 5x5cm to a maximum of 50×50cm. Due to its specifications, it can be used universally for measurements in small animals and humans. The measurement time at the 256x256 pixel setting is approximately 4 to 10 minutes. 【Main Features】 ■ Non-contact: Since the measurement is performed non-contact, there is no burden on the measurement site. ■ High resolution: Blood flow imaging is possible with a maximum resolution of 256×256 pixels. The resolution setting can be adjusted as desired. ■ Wide area: The measurement range for the target object is from 5×5cm to 50×50cm, and the range can be freely set. ■ CCD camera: A CCD camera is standardly equipped, allowing for simultaneous acquisition of color images of the measurement site.

• Other measurement, recording and measuring instruments

The Zeno Walkway is a gait analysis system that detects static and dynamic balance and pressure data during walking. Its three-layer framework reduces sensor damage and edge curling, enabling smooth movement. Depending on the length of the sheet, it is equipped with 18,432 to 46,080 sensors. It can perform analyses for standing, walking, running, and using walkers or walking assistive devices. The Zeno Walkway system consists of a protective substrate, a pressure sensor sheet, and a protective top sheet, providing high durability while maintaining portability.

• Other measurement, recording and measuring instruments

SmartCenter is a portable, handheld wireless biometric signal measurement device. It can simultaneously connect up to three transmitters (6 channels), and by simply connecting SmartCenter to a PC via USB, data acquisition can be performed immediately. SmartCenter can draw power from the PC, so no batteries are required. There are two models available: the Essentials model and the Enhanced model, and for either type, you can choose a configuration with either two transmitters (4 channels) or three transmitters (6 channels).

• Other measurement, recording and measuring instruments

SAGA32+ and SAGA64+ are compactly designed bioelectric signal measurement and analysis systems that achieve high-quality data acquisition in mobile settings. Their flexibility and performance have been recognized and appreciated by many renowned universities, research institutes, pharmaceutical manufacturers, and automotive manufacturers around the world. With active shielding, it is possible to eliminate artifacts and interference caused by cable movement. This allows for low-noise EEG measurements even during walking or running.

• Other measurement, recording and measuring instruments

The 【Student Lab】Education/Teaching system is a practical training system that allows students to learn basic medicine while actually measuring biological signals such as electrocardiograms, electroencephalograms, electromyograms, skin electrical responses, pulse waves, respiration, skin temperature, blood pressure, and heart sounds. The accompanying dedicated training software and manual provide 17 lessons, allowing 2 to 3 people to collaborate on training with a single system. Additionally, a general-purpose software (BSL PRO) is included in the system, enabling the creation of custom lessons or use for research purposes.

• Other measurement, recording and measuring instruments

EyeLink fMRI/MEG is unaffected by magnetic fields and captures eye movement information at a high sampling rate. In MRI, the eye camera can be installed inside the bore or near the bore entrance. In MEG, the eye camera is placed in front of the stimulus presentation screen and can also be mounted on a tripod. We have achieved the world's fastest sampling in MRI/MEG environments. The 1000Hz sampling rate (with an option for up to 2000Hz) allows for accurate capture of saccades.

• Other measurement, recording and measuring instruments

The basic system allows for the selection of lenses/camera mounts according to the task. It consists of four types: desktop, tower, remote, and arm. The video-based eye tracking system can also be expanded to the world's fastest 2000Hz sampling. Thanks to the special image processing technology integrated into the EyeLink1000 PLUS, stable measurements can be conducted for extended periods with low noise and minimal drift, allowing for the capture of highly accurate data. <Standard Camera Mount> ■ Desktop Type: This type involves placing the eye camera under the stimulus presentation monitor and having the subject rest their face on a headrest for measurement. ■ Tower Type: This type uses a half mirror to capture images of the eyeball, allowing the camera to view the eyeball from the front. ■ Remote Type: This type allows for non-contact measurement, reducing the burden on the subject. ■ Arm Type: This type involves attaching the eye camera to the bottom of the visual stimulus presentation monitor.

• Other measurement, recording and measuring instruments

Measuring with the EyeLink Portable Duo is easy; you just need to connect the camera to a laptop. High-precision eye tracking can be easily done anywhere, such as in clinics, offices, labs, or at home. It can also be used with a laptop or simply by using a tripod for head stabilization, allowing for flexible usage. You can conveniently carry the dedicated laptop and camera in a specialized carry bag, making transportation easy without the need for special packaging.

• Other measurement, recording and measuring instruments

Eyelink is an eye tracking system that captures data at 500Hz for both eyes simultaneously. With head movement correction features and head mount slip correction, it enables stable data capture over long periods. 【Main Features】 ■ Output Data Sample Data (Gaze position X, Y coordinates / Pupil diameter) Event Data (Reaction time / Start and end times of saccades, fixations, and blinks) ■ Real-time Feedback (when using the included EyeLink API) Outputs events for saccades, fixations, and blinks. Supports reaction time measurement with an optional button box. ■ Easy Setup It can instantly recognize the center of the pupil, allowing for stress-free measurement initiation. ■ Calibration & Validation EyeLink's unique fixation situation evaluation technology is incorporated into the calibration and validation process, ensuring high precision is maintained even during long measurement sessions, allowing for effective data capture.

• Other measurement, recording and measuring instruments

The Finapres NOVA is a multifunctional continuous blood pressure monitor integrated with a display. By adding optional modules, it can simultaneously measure ECG, respiration, and SpO2. Blood pressure can be easily measured by anyone using a dedicated fingertip cuff, providing continuous blood pressure waveforms in a non-invasive and non-invasive manner. Real-time monitoring on a dedicated monitor and data transmission to a PC are also possible. With optional software, it can be used for various purposes, such as calculating hemodynamics like cardiac output, stroke volume, peripheral vascular resistance, and baroreceptor sensitivity, analyzing heart rate variability, and optimizing pacemakers for cardiac resynchronization therapy (CRT). 【Main Features】 ■ Continuous blood pressure measurement per heartbeat non-invasively using just the fingertip ■ Height correction sensor to accommodate arm movement during measurement ■ Various ECG, respiration, and SpO2 measurements possible with module additions ■ Easy operation with a 13-inch touchscreen monitor ■ Two-finger cuff system reduces patient burden ■ High-precision blood pressure measurement with RTF calibration using an arm cuff ■ Monitor-equipped design weighing approximately 5 kg

• Other measurement, recording and measuring instruments

VisualEyes525 is a product equipped with the necessary functions for eye movement testing. Its simple equipment configuration, consisting of a dedicated PC, goggles, and a stimulus presentation monitor, allows for space-saving testing. The targets presented during fixation eye movement tests, visual motion eye movement tests (OKN), pursuit tests, and saccades can have their size and color changed, as well as adjustments to the movement speed settings. By saving multiple test templates (test items and settings), the testing process is simplified. The eye movement waveforms, eye images, and the camera for capturing the test scene are synchronized during testing, allowing for synchronized playback after the test. Additionally, operations such as starting the test can be performed using a wireless remote control connected to the control PC, making it easy to operate alone during tests like positional eye movement tests and positional conversion eye movement tests. After the test is completed, the necessary results for each item are automatically displayed, and any abnormal results are clearly marked on the test screen for easy identification. Test data can be printed using a connected printer or saved as PDF files, and eye images and test scene videos can also be output in a universal format (AVI format).

• Other inspection equipment and devices

VisualEyes515 is a system that allows for low-cost balance function testing (nystagmus testing). When goggles equipped with a CCD camera are worn by the subject, the center position of the pupil is automatically detected, allowing the test to begin immediately. There is no need to apply electrodes or perform calibration as with traditional electro-nystagmography (ENG), significantly reducing the preparation time before testing. The design allows for the templating of test items and content, which simplifies the operation. By attaching an external monitor (optional) to a dedicated PC, it is possible to enlarge and display both the eye movement video and the testing scene, making it convenient to visually observe the nystagmus. At the end of the test, the direction of the nystagmus and the slow phase velocity are calculated, and in temperature nystagmus testing, CP, DP, and VS values are also graphically displayed at the end of the test. If any abnormalities are observed in the test results, marks will be indicated on the graph, making it very useful during diagnosis.

• Other inspection equipment and devices