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In digital display, there are 4 measurement ranges, and the minimum reading is 0.001 NTU.

Achieving a high-speed response with 90% response speed within 1 second.

High-functioning water quality meter with simultaneous display of dissolved oxygen and pH on two channels.

A portable spectrophotometric water quality measurement device that can measure multiple parameters with one unit, both in the field and in the laboratory.

The COMPACT-DOW, miniaturized by JFE Advantech's technology, integrates a data logger that can record data for three channels: dissolved oxygen saturation (DO), water temperature, and battery voltage, up to 179 and 178 data points.

It is capable of long-term measurements of approximately 400 hours, with a reliable IP67 waterproof structure (can be submerged for 30 minutes at a depth of 1 meter) for field measurements! Equipped with "Cal Memo" that allows you to store calibration data and cell constants, so there is no worry about mistakes in setting cell constants or ion types!

This is a comprehensive catalog of rental measuring instruments featuring over 1,000 models. With a substantial total of 356 pages! There are four key points to help you find the measuring instruments you need. ■ Convenient comparison tables for model selection ■ Special features on measuring instruments by usage scenario ■ A wide range of system-compatible products ■ Calibration and repair services are also available Right now, we are offering the comprehensive catalog for free! << If you are interested, please apply through the contact form >>

The DH-35A measures trace amounts of dissolved hydrogen in water supply systems, such as those in thermal and nuclear power plants and metal corrosion testing plants, with high response and high precision. Its excellent performance is also demonstrated in research on electrolytic water generation and water quality management. 【Features】 ○ Easy operation, fast response ○ High sensitivity ○ Atmospheric calibration ○ Drip-proof structure ○ Dual power operation For more details, please contact us.

The CM-31P is a high-performance portable electrical conductivity meter capable of measuring electrical conductivity (0.1 mS/m to 10 S/m). It features a power-saving and waterproof design, ensuring reliable field measurements with its waterproof structure. 【Features】 - Compatible with rechargeable nickel-metal hydride batteries - Equipped with a memory function for 1000 data points - Built-in sensor "Cal Memo" for validation support For more details, please contact us.

The TD-M500 is a portable turbidity sensor that uses a transmission light method, weighing approximately 600g, making it convenient to carry and capable of measuring anywhere. It is unaffected by stray light, allowing for use without concern for sunlight or other light sources. It meets the waterproof and dustproof standard IP67 (JIS protection grade 7), so it is safe to use even when wet. The material used is antibacterial resin. The main material is SUS316L, which has excellent corrosion resistance, and the detection window is made of sapphire glass, boasting high hardness. It comes with a rubber cover that protects the detection area from scratches and impacts. 【Features】 ○ Can measure anywhere, anytime ○ Can measure without drawing water ○ Excellent durability ○ Comes with a rubber cover that protects the detection area from scratches and impacts For more details, please contact us.

**Notice:** This product is no longer available for rental. For alternative proposals, please proceed to "Contact Us." **(Please note that it may be difficult to provide guidance for certain products. Thank you for your understanding.)** The 'LYSAM-MN' is a portable mini sampler that employs a vacuum water sampling method, allowing for automatic sampling at any interval. With a 500-milliliter bottle, it can perform up to 24 automatic samplings, eliminating the hassle of time-based sampling that was previously cumbersome. Additionally, its space-saving design allows it to fit comfortably into narrow spaces where conventional models could not. **Main Sampling Functions:** - Time-proportional sampling - Flow-proportional sampling - Emergency sampling - Multi-bottle sampling - Multi-sample sampling For more details, please contact us or download the catalog.

The Quick COD HC-607 is a simple COD meter that complies with total water quality regulations. Chemical Oxygen Demand (COD) refers to the amount of oxygen (O) required to oxidize oxidizable substances in water under certain conditions, expressed in mg/L. Generally, COD is used as an indicator of water pollution due to organic substances. It is measured as a comprehensive indicator of pollution in closed water bodies such as bays (marine) and lakes, as well as a water quality management parameter for discharged water from factories. 【Features】 - Simplified blank measurement - One-touch system for sliding the electrode holder with one hand - Easy, safe, and reliable attachment and detachment of the electrode block → The electrode and lead wire are integrated to improve current efficiency and contact failure - Pre-alarm timer installed for oxidation decomposition time - Strong volumetric titration method for colored samples For more details, please contact us.

The electric titration method ammonia meter AT-2000 is an ammonia meter that offers short measurement times and can accommodate a variety of samples. Its main application areas include wastewater treatment plants, septic tanks, industrial wastewater, aquaculture, environmental water (rivers, lakes, seas), thermal power plants, research institutions, and more. 【Features】 ○ Short measurement time → Can measure in about 1 minute (measurement range 0–20 mg/L) ○ By inputting pH and water temperature values, the concentration of un-ionized ammonia can be easily determined ○ Measurement data can be output to a computer or printer (RC-232C port) For more details, please contact us.

LYSAM-PN is a portable sampler that adopts a vacuum sampling method to automatically sample water from factories, rivers, oceans, etc., into 24 bottles of 1L each at arbitrary intervals. With the latest diaphragm-type compressor, it is capable of a lift height of 8.5m. 【Features】 ○ Achieves high reproducibility in both sampling speed and quality ○ Standard data logger equipped in the controller ○ Data such as sampling time, analog signal values, and sampling errors can be collected via computer For more details, please contact us.

The portable carbon dioxide concentration meter CGP-31 can measure CO2 concentrations in both liquid and gas phases, ranging from 0.1% to 100%. It features a power-saving design that allows for continuous use for up to 2000 hours with two AA alkaline batteries. The diaphragm glass electrode method ensures that the influence of other gases is minimal, except for volatile weak acids and acidic gases. Additionally, it is less affected by humidity, eliminating the need for dehumidification treatment. 【Features】 ○ Uses a diaphragm-type carbon dioxide electrode based on electrochemical operating principles ○ Model name: Portable Carbon Dioxide Concentration Meter ○ Model number: CGP-31 ○ Manufacturer: Toa DKK For more details, please contact us or download the catalog.

The portable chlorine disinfectant concentration meter RC-37P allows for easy measurement of hypochlorous acid concentration without the need for reagents. The bead polishing method continuously cleans the electrode, ensuring stable measurements. There is no need for handling or processing reagents, resulting in low running costs; simply immerse it in the chlorine disinfectant and press the STAR?T button to display the measurement results digitally. It also features an auto-hold function to fix the value. 【Features】 ○ Easy measurement of hypochlorous acid concentration without reagents ○ Polarographic method (bead polishing method) ○ Waterproof structure (IP67: can be immersed in 1m of water for up to 30 minutes) ○ Can measure residual chlorine in the range of 20 to 300 mg/L ○ Can measure temperature from 5 to 40℃ For more details, please contact us or download the catalog.

The TSS Portable, a portable turbidity/SS/sludge interface meter, is equipped with a bubble correction function that compensates for the effects of bubbles, allowing for accurate data collection. The sludge interface can be easily determined by submerging the probe and measuring the distance to the point of change in SS. For more details, please contact us.

The CastAway CTD is a portable, throw-in CTD meter that can instantaneously profile temperature, electrical conductivity, and water depth. It allows for the immediate collection of reliable data from locations such as piers, bridges, or boats for oceanographic research, hydrological studies, and surveying. The built-in LCD screen enables users to instantly check vertical profile data on-site. The waterproof and compact design features a durable rubber jacket that enhances its durability. Utilizing Bluetooth communication, data can be transferred to a computer without the need for cables. It operates for approximately 40 hours on two AA batteries, and battery replacement is easy as it does not require any tools. For more details, please contact us.

The DO-32A measures trace amounts of dissolved oxygen in water supply systems, including thermal and nuclear power plants, metal material corrosion test plants, and semiconductor manufacturing equipment, with high responsiveness and high precision. Key features include simultaneous temperature measurement and display, as well as automatic range adjustment for measurements. It enables the measurement of sharp fluctuations in dissolved oxygen levels, continuous measurement and recording regardless of day or night. For more details, please contact us.

The portable turbidity meter TB-31 has achieved easy turbidity measurement in the field with its immersion-type sensor. Reliability in low concentration areas has improved, and repeatability in the low measurement range has significantly increased to ±0.5 NTU. Additionally, it features a power-saving design, is compatible with rechargeable batteries, and has a waterproof structure (IP67: can be immersed in 1m of water for 30 minutes). For more details, please contact us.

The WA 1 is a portable water quality meter capable of measuring four parameters: turbidity, color, residual chlorine, and transparency. It can simultaneously measure turbidity and color in accordance with the "Water Supply Act" and "Drinking Water Testing Methods." The main unit features a control panel, LCD display, and built-in printer, and is lightweight and compact, making it easy to carry for both indoor and outdoor measurements. Additionally, operation is extremely simple—just fill the dedicated cell with the sample water and press a button. It is an ideal measuring instrument for evaluating water quality in drinking water, industrial water, rivers, reservoirs, pool water, and wastewater. For more details, please contact us.

The RINKO W wiper-type memory DO meter is a DO meter capable of measuring DO and water temperature, using a miniSD card recording method for long-term continuous observation. It is equipped with a wiper mechanism to clean dirt attached to the optical DO sensor. Compared to conventional galvanic electrode types, it does not require frequent replacement of the electrolyte or membrane, and the adoption of a stable oxygen detection membrane allows for longer calibration intervals. For more details, please contact us.

Rex offers the latest global technology information to all customers who require measuring instruments. We have a variety of measuring devices tailored to different scenarios such as concrete diagnostics, radiation measurement, and clean rooms, so please contact us for more details or download the catalog.

We are running a campaign for the rental of various measuring instruments, including a "standard sound level meter" that allows for long-term data recording on CF cards, an "air respirator" that can record continuously for extended periods, and a "wireless vehicle weight scale." If you are considering renting measuring equipment, please feel free to contact us by phone to discuss your purpose and intended use, and our experienced staff will respond promptly to any details.

Using IDS sensors. Calibration data is stored in the sensor!

If you need to rent measuring equipment, you can use it for the necessary period when you need it. Additionally, our company not only provides rentals but also offers comprehensive support from selecting the right model for our customers to after-sales service, so you can use our services with peace of mind. We are currently offering a free catalog! For more details, please download it or contact us.

The FD-720 can switch between high precision of 0.01% and the standard 0.1% to display moisture content. To achieve high-precision measurements, this device employs a balance unit with a resolution of 1mg called "Uniblock," and it is equipped with a newly developed medium-wave infrared quartz heater with a large heat capacity of 625W in the drying section. Additionally, it features a "Rapid Drying Mode" enabled by drying control software, allowing moisture values to be obtained in a short measurement time, significantly reducing measurement time for certain samples. It can store up to 10 types of measurement conditions in the memory area, eliminating the need for manual setting of conditions each time, even for samples with different measurement conditions. This device is positioned as a moisture meter for quality control departments and inspection departments that require advanced moisture management, and it can be used for high-precision moisture control.

The light source for the chlorophyll and turbidity sensors uses highly stable light-emitting diodes, resulting in very little change over time! In particular, the turbidity sensor has good stability in low concentration ranges and a high correlation with suspended solids (SS) even at high concentration ranges, making it suitable not only for marine areas but also for surveys in dams and rivers.

The "ProDSS" is a portable multi-water quality meter that can measure a wide range of important water quality parameters with a digital sensor. It adopts a digital sampling method and can measure up to 13 parameters, including turbidity, pH/ORP, resistivity, and total dissolved solids (TDS). With a robust design, it is easy to handle and suitable for various applications. 【Features】 ■ Capable of measuring up to 13 parameters ■ Easy-to-read color display with backlight ■ Large memory capacity of over 100,000 entries ■ Durability that allows for continuous sampling even in harsh field environments ■ No need for recalibration when changing sensors *For more details, please refer to the catalog or feel free to contact us.

The DOP-01 is a compact, portable fluorescent oxygen meter that allows for immediate DO measurement. It can measure in environments where stirring is difficult and there is no flow, as there is no self-consumption of oxygen. There is almost no measurement error due to the effects of hydrogen sulfide or pH fluctuations. Additionally, since it does not use electrolyte or lead, there is no concern about the release of harmful substances due to membrane damage. 【Features】 ■ Portable ■ Long-term no maintenance ■ No flow required ■ No influence from interfering substances ■ Safe and hygienic design *For more details, please refer to the catalog or feel free to contact us.

The portable total hardness meter 'HI 96735' can measure total hardness (CaCO3) in water within the range of 0 to 750 mg/L. It converts the amount of calcium and magnesium contained in the water into the equivalent amount of calcium carbonate and displays the total hardness. This single device can measure all ranges: low concentration (LR), medium concentration (MR), and high concentration (HR). 【Features】 ■ Capable of measuring all ranges of low, medium, and high concentrations with one device ■ Equipped with BEPS (Battery Error Prevention System) ■ Calibration with a validator is possible ■ GLP functionality included ■ Automatic power-off feature For more details, please feel free to contact us.

This is a DO meter from the INFINITY data logger series with a miniSD card recording method. Various measurement settings are possible, allowing for simultaneous observations not only during tethered observations but also with your currently used water samplers, CTDs, etc. Thanks to the high-speed response DO sensor, vertical profiles that previously took time can now be observed in a short period. There is also a model with a depth sensor, enabling standalone profile observations. 【Features】 ○ Fast response speed ○ No need for regular filter replacements, making maintenance easy ○ Achieved a high-speed response with a 90% response time of within 1 second* *Standard response time in a gas atmosphere (1 atm, 25°C) ○ Continuous vertical measurements are possible at a descent speed of 0.5 m/s, similar to CTD observations For more details, please contact us or download the catalog.

The portable multi-water quality meter (salinity) Multi3410 is a salinity meter used for measuring salinity levels in brackish areas such as estuaries, bays, brackish lakes, and tidal flats. It uses IDS sensors, and the calibration data is stored in the sensor! With a bright, high-resolution, easy-to-read screen, it is ideal for field measurements! It comes standard with a USB interface. 【Features】 ○ In addition to a waterproof structure with an IP67 protection rating, it includes a dedicated rubber cover to protect against scratches and impacts. ○ Durable waterproof keypad. ○ Flat operation keys that respond well even when wearing gloves. ○ Easy-to-insert sensor connector. For more details, please contact us or download the catalog.

The RINKO-Profiler is a DO profiler equipped with a high-speed response DO sensor as standard. With an underwater response time of just 0.4 seconds, it significantly reduces the observation time that previously took longer, enabling more detailed measurements of the vertical distribution of DO. 【Features】 - Standard high-speed response DO sensor - Significant reduction in observation time - Realization of more detailed acquisition of vertical DO distribution - Large-capacity built-in memory, no cables required - Built-in rechargeable lithium-ion battery For more details, please contact us or download the catalog.

COMPACT-LW is a memory photonic sensor equipped with a wiper for cleaning dirt on the sensor's optical surface, designed for long-term continuous observation. The optical sensor uses a cosine-type sensor, which has excellent spectral sensitivity characteristics and cosine specificity. We also offer a model with an added depth sensor for profile observation (COMPACT-LTD). 【Features】 - Equipped with a wiper for cleaning dirt on the sensor's optical surface - Capable of long-duration recording For more details, please contact us or download the catalog.

This is a compact automatic oil concentration meter that measures the oil concentration in water or seawater. With just the push of a button, it automatically performs everything from oil extraction in the sample to measurement and drainage. The oil in the sample is extracted using the safe solvent H-997, and its content is measured with an infrared analyzer. With a dynamic range of 0 to 200 mg/L, it allows for measurements from low to high concentrations without the need to switch ranges. Oil concentration measurements can be easily and quickly conducted in factories, sewage treatment plants, as well as in river and seawater. 【Features】 - Automatic execution of oil extraction, measurement, and drainage with just one switch - Dynamic range of 0 to 200 mg/L without the need for range switching - Oil is extracted using the safe solvent H-997 - Easy-to-read digital display eliminates reading errors - Operating status and error details are displayed in Japanese For more details, please contact us or download the catalog.

Generally, salt sensors are sensitive to contamination such as biofouling. Long-term continuous monitoring requires maintenance every 1 to 2 weeks, which is labor-intensive. The salt sensor of INFINITY-CTW uses an internal electrode sensor that is completely unaffected by external dirt, and additionally, it automatically cleans the interior with a piston-type wiper after each measurement, allowing for stable data acquisition for 2 to 3 months without maintenance. 【Features】 ○ Easy handling, high-speed data transfer ○ Large memory capacity ○ Uses lithium batteries for cameras ○ User-friendly software For more details, please contact us or download the catalog.

Dissolved oxygen meter for measuring fluorescence emission time

The measurement results can be displayed in either NTU or mg/L units, and it has a maximum data memory of 100 points!

In combination with the turbidity checker converter SC-T3, it is possible to set signal output response time and alarm levels. With the built-in washer cleaning device, simple maintenance with cleaning checks once a month allows for easy continuous simple monitoring.

The measurement range is 0 to 500 mg/l, and there are types with cable lengths of 10m and 30m. There is also a high concentration type with a measurement range of 200 to 2,000 mg/l.

It can be used for both monitoring and long-duration recording (computer capture).

This is a memory-type turbidity meter equipped with two turbidity sensors for medium and high concentration measurements, allowing for accurate measurements across a wide range from normal to high concentration levels. It also comes standard with water temperature and depth sensors, enabling it to meet various measurement needs. Additionally, the optical sensor section is equipped with a wiper to remove dirt, allowing for long-term continuous observation. As part of comprehensive sediment management, it is possible to conduct sediment dynamics monitoring using the turbidity meter.

This is a chlorine meter that measures chloride ions using the ion electrode method, featuring a large and easy-to-read digital display.

This is a water quality meter that measures iron content using the ion electrode method, featuring a large and easy-to-read digital display.