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checker Product List and Ranking from 212 Manufacturers, Suppliers and Companies | IPROS GMS

Last Updated: Aggregation Period:Feb 18, 2026~Mar 17, 2026
This ranking is based on the number of page views on our site.

checker Manufacturer, Suppliers and Company Rankings

Last Updated: Aggregation Period:Feb 18, 2026~Mar 17, 2026
This ranking is based on the number of page views on our site.

  1. null/null
  2. null/null
  3. ジェーディーエルエンジニアリング Kanagawa//Consumer Electronics
  4. 4 JFEプラントエンジ Tokyo//others
  5. 5 東洋精機製作所 Tokyo//Testing, Analysis and Measurement

checker Product ranking

Last Updated: Aggregation Period:Feb 18, 2026~Mar 17, 2026
This ranking is based on the number of page views on our site.

  1. [Poka-Yoke Example] Prevention of Half-Locking of Connectors
  2. Sewage Pipe Inspection Checker "Toru-kun" ジェーディーエルエンジニアリング
  3. High-precision mass inspection machine Weight Checker DACS-GN
  4. 4 Digital Oil Checker "Wendy" JFEプラントエンジ
  5. 5 Tackiness Checker HTC-1 (Portable Tack Tester) 東洋精機製作所

checker Product List

331~360 item / All 429 items

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Auto Checker "J Series"

Equipped with all functions! The high-performance auto checker protects your production line.

The "J Series" is a high-performance auto checker equipped with an automatic adjustment feature, offering excellent operability. It automatically records cumulative and individual weight data, as well as operational history. Analyzing and diagnosing productivity and other factors is easy, contributing to improved traceability. 【Features】 ■ Weighing speed: 480 pieces/min ■ Weighing accuracy: ±0.07 grams ■ Comprehensive history recording function ■ High hygiene standards ensured ■ Easy maintenance *For more details, please refer to the PDF document or feel free to contact us.

  • Weighing Machine
  • checker

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Hirose Technical Research Institute's "Sales Guide"

From creating specifications to design, manufacturing, and delivery, for all your electronics application device needs, come to us!

Hirose Technical Research Institute Co., Ltd. is a hybrid group specializing in digital and analog application technologies, centered around hardware, software, and power application technologies. In recent years, we have been utilizing rapidly advancing electronic circuit application technologies, as well as computer application technologies such as microcomputers, personal computers, and EWS, to provide products, technologies, and services to a wide range of industries including power, nuclear energy, gas, chemicals, electronics, machinery, communications, aviation, shipping, railways, food, textiles, and others. As a manufacturer and group of engineers that offers new technologies, we continue to conduct thorough information gathering, research, and development of cutting-edge technologies, while also leveraging our agility to meet customer needs. [Business Activities] ■ Development, design, manufacturing, sales, and contract development of power equipment, electronic application devices, automatic control devices, and computer software. *For more details, please refer to the PDF materials or feel free to contact us.

  • relay
  • simulator
  • Other measurement, recording and measuring instruments
  • checker

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HIROSE Relay Checker [Model PRT-2010X]

For thermal power plants, chemical plants, large computers, space equipment, and more!

The "PRT-2010X model" is a relay checker that guarantees relay performance. In addition to obtaining accurate data on relay performance, if implemented in incoming inspections, it automatically determines the quality of incoming relays and prevents troubles in advance. 【Benefits of Use】 ■ Accurate data management ■ Active in incoming inspections ■ Aging effect ■ Screening tests possible ■ Evaluation of maintenance effects ■ Utilized as a fault diagnostic tool ■ Automatic data recording *For more details, please refer to the PDF materials or feel free to contact us.

  • relay
  • Other measurement, recording and measuring instruments
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HIROSE Relay Checker [Model MRT-4040]

For thermal power plants, chemical plants, large computers, and space equipment!

The "MRT-4040 model" is a relay checker with a built-in external printer (10 inches) that guarantees relay performance. In addition to obtaining accurate data on relay performance, if implemented in incoming inspections, it automatically determines the quality of incoming relays and prevents troubles in advance. 【Benefits of Use】 ■ Accurate data management ■ Active in incoming inspections ■ Aging effect ■ Screening tests possible ■ Evaluate maintenance effects ■ Used as a fault diagnostic tool ■ Automatic data recording *For more details, please refer to the PDF materials or feel free to contact us.

  • relay
  • Other measurement, recording and measuring instruments
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IV Output Voltage Checker 'SB5317-01'

It is possible to judge deterioration and prevent malfunctions in advance! Operates at IV output voltage.

We would like to introduce our IV output voltage checker, the 'SB5317-01'. This device continuously monitors the output voltage and frequency of the power converter IV, providing an alarm output if the voltage deviates from a threshold or if the frequency changes significantly. This allows for the assessment of deterioration and helps prevent failures before they occur. Additionally, the 7-segment display allows for real-time monitoring of voltage and frequency. 【Specifications and Performance (Partial)】 ■ Rated Voltage: AC200V 400Hz (Operating Range AC160V~250V 200~600Hz) ■ Current Consumption: 5mA or less (at rated voltage) ■ Alarm Output Contact Capacity: DC30V, 2A / AC125V, 0.5A ■ Alarm Voltage: Can be set to either 170V, 180V, or 190V ■ Voltage Measurement Accuracy: ±5% or less *For more details, please download the PDF or feel free to contact us.

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Earth Checker

Since it has an F-shaped relay design, it can be installed in a space-saving manner! It forms an alarm contact when it detects insulation failure.

We offer an "Earth Checker" that helps prevent failures by continuously monitoring the insulation resistance between the ground and the signal power supply and level crossing power supply as monitoring lines. The alarm contact configuration and operation timing can correspond to each of the level crossing failure detectors N1, centralized automatic reset field devices, and electronic level crossing failure detectors. We conduct development design and manufacturing (prototype mass production) utilizing the technology of LED selection and circuit board layout cultivated through railway signal and display devices. We can solve your problems such as "I want this kind of alarm" or "Can’t we make something like this with LEDs?" so please feel free to contact us. 【Features】 ■ When the insulation resistance of the monitoring line decreases and insulation failure is detected, the alarm contact is configured. ■ The F-type relay shape allows for space-saving and easy installation (the 5-circuit type uses an A-type relay shape). ■ The alarm contact configuration and operation timing can correspond to each of the level crossing failure detectors N1, centralized automatic reset field devices, and electronic level crossing failure detectors. *For more details, please download the PDF or feel free to contact us.

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Earth Checker (with fault detection function)

Capable of storing insulation resistance values during normal monitoring, earth detection, and earth recovery.

This product is an "Earth Checker" that helps prevent failures by continuously monitoring the insulation resistance between the ground and the signal power and level crossing power monitoring lines. It has a built-in fault detection function that continuously monitors the integrity of the internal circuit and outputs self-failure information when an anomaly is detected. This reduces the risk of overlooking abnormalities in the line due to equipment failures. Our company conducts development design and manufacturing (prototype mass production) utilizing the technology of selecting LEDs and circuit board layout cultivated through railway signal and display devices. We can solve your problems, such as "I want an alarm like this" or "Can you make something like this with LEDs?" so please feel free to contact us. 【Features】 ■ It can store insulation resistance values during normal monitoring, ground detection, and ground recovery, and the stored data can be read using dedicated software. ■ The F-shaped relay design allows for space-saving and easy installation. *For more details, please download the PDF or feel free to contact us.

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FLC-103: Oxygen Flow Meter Checker

Flow measurement and diagnosis of oxygen flow meters.

Oxygen flow meters are used almost daily in medical institutions. However, in the case of flow-type meters, their accuracy decreases over time due to wear of the float and deterioration of seals, among other structural reasons. Additionally, with dial-type meters, it is unclear whether the set amount of oxygen is actually being delivered, as there may be discrepancies between the dial reading and the actual oxygen flow due to damage from impacts or aging. For these reasons, oxygen flow meters require regular inspections. However, when medical institutions attempt to verify the accuracy of their oxygen flow meters themselves, they need various equipment (pressure regulators, tubes, filters, flow meters, etc.), which makes the inspection process inefficient. Furthermore, depending on the size of the institution, they may have hundreds of devices, making self-inspection challenging. The oxygen flow meter checker is a product that consolidates the necessary equipment for inspecting oxygen flow meters into a compact form. It is an ideal product for those considering checking their oxygen flow meters. We also offer demo units for loan. Please feel free to contact us.

  • Other measurement, recording and measuring instruments
  • checker

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[Example] Grease Checker

Easily check the lubrication supply condition to the bearings! This also helps eliminate human error.

We would like to introduce a case study of the "Grease Checker" handled by Hirokazu Corporation. In a dual-line system, even if there is damage to the piping between the distribution valve and the bearing, the distribution valve operates normally, making it difficult to detect abnormalities. By installing the Grease Checker close to the bearing, the grease supply status to the bearing can be easily confirmed at a glance. [Case Overview] ■ Introduced Product: Grease Checker ■ After Installation - The Grease Checker was installed close to the bearing, and the grease pump was operated. - The indicator pops out for normal areas, while it remains down for abnormal areas, making it easy to identify the problematic locations. *For more details, please refer to the PDF document or feel free to contact us.

  • Lubricants
  • others
  • checker

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Plasma checker

The effects of plasma treatment are clear at a glance!

Visualizing the surface modification effects of plasma that are not visible to the eye! Simply place a sheet on the area you want to measure and irradiate it with plasma! The color changes when exposed to plasma! For more details, please contact us.

  • Other inspection equipment and devices
  • Other consumables
  • checker

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Handy N/S Checker "NSC-01"

If it's a simple check, this one is enough! It's suitable for inspecting products after embedding and for research or teaching materials related to various magnetic properties.

The "NSC-01" is a handy N/S checker that can instantly determine and inspect the polarity of magnets. It features a pen-shaped design that is convenient and easy to use for inspectors and operators. The polarity detection results are indicated by a lamp display and also signaled audibly. It is ideal for checking the polarity when incorporating magnets as components, inspecting products after assembly, and for various studies and educational purposes related to magnetism. 【Features】 ■ One unit is sufficient for simple checks ■ Convenient and easy-to-use pen-shaped design ■ Polarity detection results are indicated by a lamp display and an audible signal *For more details, please refer to the PDF document or feel free to contact us.

  • Other inspection equipment and devices
  • Other work tools
  • checker

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Alcohol Checker 'SKJ-AL001JP'

Reusable up to 2500 times! A compact and highly portable alcohol tester.

The 『SKJ-AL001JP』 is an alcohol checker equipped with a highly durable sensor that can be used repeatedly up to 2500 times. Simply blow into it from about 1 cm away from the sensor part for approximately 4 to 5 seconds for easy measurement. It features a convenient backlit digital LCD that can be used effectively even in dark conditions or at night. It uses readily available AA batteries, making it easy to use anytime and anywhere, whether you are out or on a business trip. 【Features】 ■ Easy measurement by just blowing into it ■ Equipped with a sensor that can be used repeatedly ■ Digital LCD with backlight ■ Uses AA batteries *For more details, please refer to the PDF document or feel free to contact us.

  • Other measurement, recording and measuring instruments
  • checker

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Portable Alcohol Checker 'HDL-J8'

Measurement completed in about 20 seconds! An alcohol checker compatible with commercially available straws.

The "HDL-J8" is a portable alcohol checker that can measure the alcohol concentration in breath simply by blowing into it. The measurement results are displayed in three colors: red, yellow, and green. It features a highly visible 7-segment LED display. Equipped with a memory function, it can record up to 50 measurement results. With a cap for cleanliness and a smart design, it is also convenient to carry. 【Features】 ■ Measurement completed in about 20 seconds (preheating about 10 seconds, blowing for 5-10 seconds) ■ Measurement results displayed in three colors ■ Highly visible 7-segment LED display ■ Convenient to carry ■ Compatible with commercially available straws (compatible with 6mm straws) *For more details, please refer to the PDF document or feel free to contact us.

  • Other measurement, recording and measuring instruments
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Alcohol checker

A lineup featuring the compact and highly portable "Alcohol Checker SKJ"!

We would like to introduce the "Alcohol Checker" handled by Showa Trading Company. Starting with the "Alcohol Checker SKJ," which allows for easy measurement by blowing into it and is compact and highly portable, we also offer the "Alcohol Sensor AN-S094," which enables data transfer and management to your smartphone via Bluetooth, and the "Portable Alcohol Checker HDL-J8." Please choose according to your needs. 【Product Lineup】 ■ Alcohol Checker SKJ ■ Alcohol Sensor AN-S094 ■ Portable Alcohol Checker HDL-J8 *For more details, please refer to the PDF document or feel free to contact us.

  • Other measurement, recording and measuring instruments
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Alcohol Checker <Immediate Delivery Product>

Introducing products like "AL-LOG" and "HDL-J8"! We also present member products and certified items from the Alcohol Detector Association.

We would like to introduce our "Alcohol Checker" products. We offer the alcohol detection system "AL-LOG," which features a hygienic and economical replaceable sensor unit, as well as the "SKJ-AL001JP," which allows for easy measurement by simply blowing into it. Additionally, we have the "AN-S094," which enables data transfer and management via Bluetooth connection to a smartphone, and the "HDL-J8," which completes measurements in about 20 seconds. 【Features】 <Alcohol Detection System: AL-LOG> ■ Personal authentication using a driver's license ■ Hygienic and economical replaceable sensor unit <Alcohol Checker: SKJ-AL001JP> ■ Uses a highly durable semiconductor gas sensor ■ Equipped with a backlit digital LCD for use in dark places *For more details, please refer to the PDF document or feel free to contact us.

  • Other measurement, recording and measuring instruments
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Mandatory use starting December 2023! Alcohol checker.

Introducing an alcohol checker with a detection speed of about 3 seconds! It features a rechargeable battery and built-in printer for easy operation!

Are you fully prepared for the mandatory alcohol checks? Due to the revision of the Road Traffic Act, "alcohol checks before and after driving" became mandatory from April 2022, and from December 2023, alcohol detectors will be required. Safety driving managers who have the following concerns should take note! - I am worried about the accuracy of the alcohol checker I am currently using... - I don't want to spend time and money (cost) on recording and management... - Maintenance and repairs of the device are a hassle... The "Easy Alcohol Checker" is a user-friendly alcohol detector that can detect alcohol immediately after turning it on, with a detection speed of about 3 seconds, ensuring high precision. It has a built-in printer that allows you to print the results on the spot, and it is rechargeable, eliminating the need for battery replacements, making it economical. 【Features】 ■ Immediate detection after powering on ■ Easy to carry around in the office ■ High precision & high speed (detection in just about 3 seconds) ■ Easy printing (built-in printer) ■ No battery replacement needed (rechargeable and more economical than battery-operated) *For more details, please refer to the materials available for download in PDF format or contact us.

  • Surveillance Cameras
  • checker

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Low Voltage Wiring Detector Super Line Checker

Wiring route detector with leakage point detection function

It is ideal for wiring checks before new construction or renovation work, as well as during maintenance and when issues arise.

  • Transformers
  • checker

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Aberration checker (transmission wavefront aberration interferometer)

[Custom Product] Utilizes proprietary patented technology for measuring all types of lens aberrations, regardless of focus or defocus.

Background of Development Is there a simple way to check the quality of lenses in the assembly process or defocused lenses? This product was developed in response to such customer requests. Conventional MTF testers and interferometers are limited to measuring focused lenses. However, our aberration checker uses patented technology to measure the aberrations of all types of lenses, including defocused ones. Features - Measurement method using patented technology [Patent No. 7519598] - Capable of measuring during the assembly process, for lens groups, and finished lenses, improving yield - No need for reference spherical surfaces or conversion lenses - Easy measurement with accompanying software (for Windows)

  • Optical Measuring Instruments
  • checker

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Corona Discharge Checker "MK-720" [Rental]

Check the insulation deterioration of high-voltage equipment under live conditions! It is equipped with frequency analysis functionality.

The "MK-720 Series" is a corona discharge checker that can non-contact check equipment in a live state. With its frequency analysis function, it can detect surface discharge and air discharge associated with insulation degradation. It can also detect insulation degradation in cable terminals, transformers, disconnectors, insulators, circuit breakers, and more. Since it only detects frequencies specific to discharge, it is not affected by noise. 【Features】 ■ Non-contact checking of equipment in a live state ■ Sharp capture with ±8° directivity ■ Easy identification of discharge locations with a laser pointer ■ Ability to record measurement data (component ratios, waveforms, FFT data) ■ Data transfer via USB cable ■ Ability to listen to discharge conditions with headphones *For more details, please refer to the PDF document or feel free to contact us.

  • Rental/lease
  • Other measurement, recording and measuring instruments
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Concrete Guard Checker "CGC-01" [Rental]

Checker for construction management of permeable concrete protective materials.

【Features】 ■ Easy to operate. ■ Complies with the Civil Engineering Research Institute's "Method for Determining the Application of Permeable Concrete Protective Materials (Draft)." * Please refer to the supplementary material of Independent Administrative Institution Civil Engineering Research Institute Document No. 4186, "Method for Determining the Application of Permeable Concrete Protective Materials (Draft)" when using. * For more details, please refer to the PDF document or feel free to contact us.

  • Other environmental analysis equipment
  • checker

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Gross Checker "IG-320" [Rental]

This is a gloss meter that clearly quantifies gloss levels through simple measurement.

【Features】 ■ Compact design that can be easily held with one hand. ■ Excellent reproducibility of ±0.5% F.S. ■ One-touch data memory and average value calculation.

  • Testing Equipment and Devices
  • checker

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Water Quality Checker 'WQC-22A' [Rental]

A portable multi-parameter water quality meter that can easily measure the six basic water quality parameters simply by placing an integrated sensor in the water.

■One-touch calibration ■Salt concentration measurement available During electrical conductivity measurement, the salt concentration is displayed through conversion when switched. ■Wide range of electrical conductivity measurement By having two ranges, measurements can be taken from low to high. ■Display of electrical conductivity in both old and new units You can select and display S/m or S/cm. ■Turbidity displayed in both NTU and mg/L units You can switch and display NTU (formazin) or mg/L (kaolin). ■Minimum digit display available pH, electrical conductivity (Lo range), and dissolved oxygen can have the minimum digit displayed or hidden. ■No sampling required The sensor can be directly immersed in rivers, lakes, dams, etc., for measurement.

  • Water quality testing
  • checker

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Dew Checker "SK-130ITH" [Rental]

A condensation checker that integrates a hygrometer and an infrared thermometer.

■Calculates dew point temperature from ambient temperature and humidity ■Equipped with an auto power-off function (can be set in 1-second increments within a range of 5 to 600 seconds) ■Includes an LCD backlight function ■Storage of the temperature and humidity detection section to protect the humidity sensor

  • Other environmental analysis equipment
  • checker

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Battery checker

By understanding the estimated remaining battery level, you can reduce battery waste.

By understanding the estimated remaining battery life, you can reduce battery waste.

  • others
  • checker

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New arrival information for the automatic checker with metal detector 【7960】.

Currently conducting sales and purchases of used food machinery and food processing manufacturing equipment!!

Machine Name: Metal Detector Equipped Auto Checker Category: Measurement and Detection Equipment > Metal Detectors Measurement and Detection Equipment > Weight Checkers and Auto Checkers Has arrived! If you would like to know more about the product or have inquiries, please click on the "Related Links" below and visit our website!

  • Food Testing/Analysis/Measuring Equipment
  • Other measurement, recording and measuring instruments
  • checker

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Outlet checker that allows you to easily see whether the power circuits are the same.

For safety checks! Easily test whether the electrical circuits are identical.

This product is a socket checker that allows you to easily test whether the electrical circuit is the same by simply plugging the power plug into the socket you want to check. *For more details, please refer to the PDF document or feel free to contact us.*

  • Other safety equipment
  • checker

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Time Lag Checker "EDD-5400"

Time lag checker for measuring the propagation delay time of audio and video, and the difference in each delay time.

The "EDD-5400" is a device used to measure the delay times of video and audio using test time codes. In addition to lip sync between video and audio, it can measure the propagation delay times of video and audio as well as the delay times of VANC. By obtaining time via GNSS (optional), it can measure the propagation delay times over long distances. 【Features】 ■ Supports major formats including 12G-SDI, 3G-SDI, and HD-SDI (12G is optional) ■ Allows measurement of propagation delay times at remote locations using two units of this device and GNSS ■ Capable of logging measurement values ■ High-precision measurement possible in units of 1 microsecond *For more details, please refer to the PDF document or feel free to contact us.

  • others
  • Other PCs and OA equipment
  • checker

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