Last Updated： Aggregation Period:Mar 18, 2026～Apr 14, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Mar 18, 2026～Apr 14, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Mar 18, 2026～Apr 14, 2026
This ranking is based on the number of page views on our site.
301～330 item / All 655 items
Equipped with a thermoelectric module (constant temperature function)
Measuring the concentration of very dilute aqueous solutions, such as green tea, black tea, oolong tea, and low-sugar beverages, at a world-class high precision level (±0.005%).
One-handed operation from measurement to cleaning without touching the liquid!
The digital suction-type refractometer QR-Brix allows you to grip the tube pump, immerse it in the sample liquid, and release it to suction the sample. It is convenient when you do not want to touch the sample or when you want to measure volatile samples. Cleaning the wetted parts is simply done by repeating suction and discharge with water several times. If there is a lot of residue, the wetted parts can be disassembled for cleaning. For more details, please contact us or refer to the catalog.
You can hook it onto the edge of a pot or tank for continuous measurement!
The PAN-1 liquid immersion density meter does not require any special investment for installation. It can be easily mounted by simply hooking it onto the edge of a pot or tank. It allows for constant monitoring of the concentration of industrial oils, cleaning solutions, and food (liquid). It automatically updates the measurement values every 30 seconds. For more details, please contact us or refer to the catalog.
A single device can measure low concentration chlorine, high concentration chlorine, and chlorine dioxide.
PCcompact is a digital chlorine concentration meter that is easy to operate due to its automatic zero calibration. It comes with the main unit and reagents delivered in a hard case.
Even from a distance, the sensor reliably detects gas. The gas concentration is clearly displayed at hand.
The XOS-326 is a sensor separation type oxygen and hydrogen sulfide concentration meter equipped with a standard 5m sensor extension cable. It can simultaneously measure both oxygen and hydrogen sulfide gases, and the concentration display can be easily switched by pressing a button. Leveraging the advantages of the separation type, it is active in various fields for pre-safety checks and ensuring the safety of workers. 【Features】 ■ Sensor separation type with a standard 5m sensor extension cable ■ Simultaneous detection and display of oxygen and hydrogen sulfide ■ Measurement concentration displayed in large digital numbers ■ Alerts via lamp and buzzer ■ Buzzer alerts for battery voltage drop *For more details, please refer to the PDF document or feel free to contact us.
Long-selling product renewed: Suction-type gas detector compatible with a wide range.
【Features】 ■ Portable oxygen concentrator (for combustion management) ■ Explosion-proof structure ■ Equipped with Bluetooth, allowing concentration/trend graph display via a dedicated app on smartphones and tablets. Additionally, it is possible to set up automatic email notifications to inform about the location of workers during gas alarms. ■ Up to 5 types of combustible gases can be set as detection targets upon purchase (optional)
Carbon monoxide (CO) concentration measuring device. Ideal for inspecting boilers, heaters, and water heaters.
Starting from April next year, the inspection standard for the "combustion state of gas appliances" mandates that the carbon monoxide concentration in the combustion state of gas instantaneous water heaters must be 0.2% or lower. The Hodaka Test HT-1210N is an analyzer that complies with this standard.
Compact and lightweight handheld oxygen concentrator. Ideal for measuring O2 in combustion exhaust gases.
The HT-1200N combustion exhaust gas analyzer can measure the O2 component of combustion exhaust gases from boilers and industrial furnaces. ■■■ Rental service for the analyzer is also being well-received. ■■■
![Hydrogen Peroxide Gas Concentration Meter (New Isomon-2) [ATI]](https://image.mono.ipros.com/public/product/image/a57/2000248751/IPROS03980058803267388024.jpeg?w=280&h=280)
With one unit, measurement and control of low concentration safe allowable concentration and high concentration sterilization and disinfection gas concentration (0-2000 ppm).
NewIsomon-2 can measure hydrogen peroxide gas over a wide range with a single unit. For example, it can measure high concentration levels (0-2000ppm) during the sterilization process of hydrogen peroxide gas in pharmaceutical and food factories, as well as low concentration levels (0-100ppm) after aeration, all with one device. 【Features】 - It has a built-in suction pump, allowing for quick concentration measurements. - It comes standard with a 4-20mA output and alarm output necessary for control. - It can measure concentrations within the range of 0-2000ppm with high precision. *Demo units are available. Please feel free to contact us.
It is possible to continuously measure peracetic acid (PAA) gas. It allows for the verification of permissible concentration for safety confirmation and concentration checks during decontamination.
The "F12 model" is a peracetic acid gas concentration meter. It is a fixed installation type, and with various measurement ranges and options available, it can accommodate a wide range of specifications. In addition to this product, we also offer a rich selection of sensors for hydrogen peroxide, peracetic acid, chlorine dioxide, ozone, EOG gas, and more. 【Sensor Selection Table】 ■ Measured Gas: Peracetic Acid / Peracetic Acid / Acetic Acid ■ Sensor Model: 00-1704 / 00-1705 / 00-1045 ■ Minimum Range: 0-1ppm / 0-10ppm / 0-100ppm ■ Maximum Range: 0-5ppm / 0-100ppm / 0-500ppm ■ Standard: 2ppm / 20ppm / 100ppm *For more details, please refer to the PDF document or feel free to contact us.
By supplying a certain sample of water, it automatically controls the flow rate, pressure, and pH to measure fluoride ions!
The "Q46F model" can be used for continuous measurement of fluoride ions in wastewater, effluent, and drinking water. It employs a fluoride ion selective electrode (ISE) and can measure fluoride ions from 0.1 PPM to a maximum of 1000 PPM. With its simple structure, it allows for low-cost continuous measurement of fluoride ions. *For more details, please refer to the PDF document or feel free to contact us.
It is a carbon dioxide meter capable of measuring CO2 from 0 to 100%.
Measurement of CO2 concentration in packages, processes, and containers ❖ High concentration ❖ High performance ❖ High durability ❖ Lightweight ❖ 32-bit microprocessor ❖ Built-in data logger ❖ Ideal for testing packages, processes, and containers
The Quantek ZR1000 oxygen concentrator is an ideal 0-1000ppm oxygen concentration meter for measuring trace oxygen in inert environments.
• High-speed response zirconia sensor • Measurement range: 0 to 1000 ppm oxygen • Internal sampling pump (optional) • Low cost • Easy operation and maintenance
It is a portable device capable of measuring oxygen (O2) and carbon dioxide (CO2) concentrations from 0 to 100%.
Measurement Target Gas Q20 Oxygen Q21 Carbon Dioxide Q22 Oxygen and Carbon Dioxide The Q20 series analyzers feature color display, menu operation settings, calibration functions, built-in sample pumps, and data collection (up to 100,000 values). This unit combines a fast-response sensor for oxygen in a compact and lightweight package (under 1 kg), providing maximum portability and ease of use for all types of gas measurement applications. It operates on battery power and can be easily moved or transported as needed. With low power consumption, it can operate for up to 15 hours before requiring recharging (charger included). This unit is equipped with a robust miniature diaphragm pump that can be adjusted to operate only during sampling with a timing function. The Q20 series is available in several sampling inlet configurations to accommodate various monitoring applications.
It is a carbon dioxide meter capable of measuring CO2 with high precision in ppm units.
⚫ Continuous measurement of CO2 for various applications ⚫ Excellent temperature and humidity compensation features ⚫ Stable and highly reproducible measurement results ⚫ AC power operation. Battery operation is also possible (optional) ⚫ Built-in sampling pump available (optional) ⚫ Comes with a 2-year warranty ⚫ DC 0-10 V analog output (optional)
A low-concentration oxygen meter that excels at measuring oxygen concentrations below 10 vol%! Suitable for scientific experiments and culture tests.
This is a low-concentration version of the high-performance oxygen concentration meter JKO-25 Ver.3 series, utilizing low-consumption circuit design technology. By adopting a high-performance oxygen sensor for low-concentration oxygen measurement, it achieves a resolution of 0.01%. It outputs a linear 4-20mA signal for measurement concentrations of 0-25 vol%, allowing integration with devices that manage low-concentration oxygen. This product can be widely used for safety management and concentration monitoring. 【Features】 - Utilizes a sensor compatible with low-concentration oxygen, achieving a resolution of 0.01% - Calibration method is one-touch automatic, and calibration gas can be set arbitrarily - Resolution is 0.01%, allowing confirmation of values one digit lower than standard oxygen monitors - Equipped with customizable alarm settings, buzzer ON/OFF, and analog output, making it suitable for various applications - The JKO-O2LJD3 can continuously measure oxygen concentration in piping by attaching an inline fixture/BF-JK (optional) to the sensor tip *For more details, please download the PDF or contact us.
Concentrated management of gas concentrations in multiple locations with a single device!
Control panel enabling centralized management of gas concentration measurements. Compatible with 4-20mA output products, allowing connection of various devices. 【Features】 - High visibility white LCD display for oxygen concentration meter readings - Equipped with a high-brightness red signal lamp - Loud alarm buzzer included - Alarm reset button included Compatible detection units: - Oxygen concentration meter JKO-25SD3-AA: Built-in sensor type - Oxygen concentration meter JKO-25WD3-AA: Separate sensor type - Low concentration oxygen meter JKO-O2LJD3: Separate sensor type - Low concentration oxygen meter JKO-O2LD3: Separate sensor type - Fixed gas detectors: Gas Buster series (various gas types) - Gas sensor units: GT series (various gas types) *For more details, please download the PDF or contact us.
Simultaneous detection of oxygen, hydrogen sulfide, and carbon monoxide, as well as combustible gases! Suitable for harsh working environments due to its waterproof and dustproof design.
We have adopted an oxygen sensor with greater stability than conventional products. It simultaneously detects four components that are prone to accidents during steelmaking operations, manhole work, and tunnel construction: oxygen, hydrogen sulfide, carbon monoxide, and combustible gases. Gas concentrations can be checked on a large LCD screen, and when the concentration reaches the alarm level, it alerts with an LED lamp, alarm sound, and vibrator. The ultra-thin sensor makes it compact and lightweight, ensuring it does not interfere with work. 【Features】 ● Adoption of a stable oxygen sensor ● Operational LED light for confirmation ● Intrinsically safe explosion-proof structure (international explosion-proof) ● Waterproof and dustproof design (IP68) ● Low price, high performance ● Compact, lightweight, and sturdy body ● Low running costs ● Easy one-button operation *For more details, please refer to the catalog.
![Oxygen Concentration Meters and Gas Detectors Comprehensive Lineup [Comprehensive Catalog Available]](https://image.mono.ipros.com/public/product/image/6d2/2001502266/IPROS6915820912931549973.GIF?w=280&h=280)
We are currently offering a comprehensive catalog of gas detectors, gas alarms, oxygen concentration meters, portable oxygen deficiency alarms, and more!
Ichinen Manufacturing offers a wide range of high-functionality oxygen concentration meters, combustible gas detectors, toxic gas detectors, and more. We also provide services such as inspections of gas detectors after purchase. 【Contents】 ■ Gas Detectors ■ Fixed & Portable Oxygen Deficiency Alarms ■ Laboratory Tabletop Oxygen Concentration Meters for Research Experiments ■ Gas Sensor Units ■ Gas Detector Control Units ■ Gas Alarms ■ Laboratory Tabletop CO₂ Concentration Meters for Research Experiments ■ Portable Gas Detectors ■ Portable Single Gas Detectors ■ Portable Multi-Gas Detectors ■ Portable VOC Gas Detectors ■ Fixed VOC Detectors ■ Fixed Gas Detection Units ■ Explosion-Proof Fixed Gas Detectors ■ Suction-Type Toxic Gas Detectors ■ Fluorescent Oxygen Meters ■ Other Products *For more details, please download the PDF or contact us.
For the maintenance of low-speed rotating shafts where vibration diagnostic technology is difficult to apply!
"John" is a simple diagnostic tool for equipment that extracts grease used for machine lubrication and detects magnetic substances such as metal wear powder that may be mixed in, using the principle of electromagnetic induction. It enables diagnosis in the ultra-low speed range (below 10 rpm), which is typically impossible with vibration diagnostics. Additionally, it can diagnose bearing abnormalities with a small amount of grease. 【Features】 ■ Enables diagnosis in the ultra-low speed range (below 10 rpm), which is typically impossible with vibration diagnostics ■ Can diagnose bearing abnormalities with a small amount of grease ■ High-precision measurements can be made with simple operation ■ Compact and lightweight (130g), making it convenient for carrying to the field *For more details, please refer to the PDF document or feel free to contact us.
Portable ppm oxygen concentration measurement!
● PPM level measurement ● High response speed and long lifespan. Disposable proprietary patented sensor ● Realization of miniaturization - new book size, 2.2 kg ● Data logging function ● International intrinsic safety explosion-proof certification ■ This is a portable oxygen analyzer for PPM measurement that uses a galvanic battery (electrochemical type). ■ It is an ultra-compact portable device equipped with a data logger, needle valve, flow meter, and bypass line as standard in a new book-sized body. ■ The sensor is cartridge-type, so when replacing it, you can simply open the cap on the front panel and replace the cartridge to resume measurements. For more details, please download the catalog or contact us.
In addition to measuring moisture in inert gas, a moisture analyzer that measures moisture concentration in corrosive gases in ppm units.
★This model has been discontinued. The successor model is the iTMA.★ ● Inline measurement of moisture in corrosive gases is possible ● Measurement range: 0-2500 ppm ● Maximum accuracy ±1% ● Available in rack mount, desktop, and portable options ● Measurable gases: Cl2, HCl, H2S, SF6, H2SO4, SO2, HBr, CO2, Ar, N2, H2, He, D2, O2, C2H2, hydrocarbons, PH3, refrigerants, etc. ■ The TMA series continuous moisture analyzer for corrosive gases utilizes the principle of phosphorus pentoxide (electrolytic) moisture analysis. It is available in desktop, 19” rack mount, and portable types. It also supports Japanese display. In addition to ppm display, simultaneous display of dew point is possible, and all settings such as measurement range, alarm settings, and data logging settings (optional) can be configured from the front of the unit.
For confirming oil contamination and degradation. A transmitter specialized in measuring moisture in oil.
● Measurement of moisture activity value 0-1 aw in oil ● Moisture content can be converted to ppm values ● Temperature measurement range -40 to 120℃ ● Maximum pressure 10 MPa ● Models with display available ● 360° rotating screw connection allows for fine adjustment during installation ■ The EE381 is ideal for online management of moisture in lubricating oil and insulating oil, and diagnosing oil degradation is crucial for maintaining long-term performance and maintenance of factories and equipment. For example, moisture significantly affects the insulating properties of electrical transformer oil, making continuous measurement of moisture in oil extremely important. For more details, please download the catalog or contact us.
For oil deterioration diagnosis! Displays moisture activity value (aw), oil temperature (°C), and moisture content (ppm). A multifunctional handheld measuring device, Techneport Oil.
● Measurement of water activity value (aw) and oil temperature (°C) to calculate water content (ppm) ● TFT touchscreen ● 10 types of oil parameter settings available ● Data logging function (approximately 2 million points) ● One-point or two-point calibration using a simple calibration kit (optional) ■ TEKHNEport-Oil measures the water activity value (aw) and oil temperature (°C) in oil, allowing for the calculation of water content (ppm). It can store parameters for 10 different types of oil needed for conversion, enabling the management of multiple types of oil with a single unit. Using these parameters, more accurate measurements of water in oil can be achieved. Measuring water content in oil is useful for diagnosing oil contamination and degradation, ensuring that the timing for oil replacement is not overlooked.
Installation type oxygen concentration meter for ppb/ppm/%! Adopts long-life zirconia oxygen sensor, compact modular type!
● Measurement at ppb level possible in less than 15 minutes from the atmosphere ● Long-life zirconia oxygen sensor ● Monitor interface: RS232, current output, voltage output, range selection voltage output ● Alarm output (upper limit, lower limit, system fault) ● Remote sensor unit ● Large, bright LED, easy operation ■ This is a compact oxygen analyzer for trace oxygen concentration measurement and process control applications. With very high accuracy, fast response, and long-term stability, it provides stable measurements with minimal maintenance for critical applications requiring ppb level oxygen contamination monitoring. ■ In addition to a measurement range from 50 ppb to 100%, it is equipped with a remote sensor module featuring a high-response zirconia sensor manufactured by Neutronics. For more details, please download the catalog or contact us.
Installation type ppm/% oxygen concentration meter! Fast response within 10 seconds from air to ppm levels! Equipped with a long-life zirconia oxide sensor!
● High-speed response within 10 seconds from air to ppm levels ● Measurement capability from ppm levels to 100% ● Compact, modular-type analyzer that is small and easy to integrate into equipment ● Monitor interface with RS232, current output, voltage output, and range selection voltage output ● Alarm output (upper limit, lower limit, system fault) ● Remote sensor unit ● Long-life zirconia oxide sensor ■ This is a compact oxygen analyzer featuring a fast-response zirconia oxygen sensor with a measurement range of 0.1 ppm to 100%. It is suitable for measuring various gases and for critical process control applications. ■ The robustly designed sensor enables rapid response to significant changes in oxygen concentration, allowing for accurate measurement of ppm levels within seconds after exposure to air. ■ Equipped with digital output, analog output, and alarm contacts, it can meet various user requirements. For more details, please download the catalog or contact us.
【No calibration required for 5 years】A CO2 meter that displays CO2 concentration with color and sound, ideal for determining ventilation.
● The detection principle recommended by the Ministry of Economy, Trade and Industry is an optical sensor. ● Equipped with automatic CO2 calibration function (automatic correction function). ● High-precision measurement. ● Wall-mounted or portable tabletop placement. ● CO2 concentration displayed in color in stages from 0 to 5000 ppm. ● No maintenance required. ■ The CO2 Guard 10 accurately displays the surrounding carbon dioxide concentration as an indicator of indoor air quality (IAQ). By displaying CO2 levels with an LED, it helps determine the need for ventilation, such as opening windows. Proper ventilation and indoor air quality are very important for maintaining a healthy living and working environment. By maintaining good indoor air quality, the risk of aerosol infections such as the coronavirus can be reduced even in densely populated spaces. Additionally, ventilating based on CO2 levels can significantly reduce energy costs compared to irregular ventilation. For more details, please contact us or refer to the catalog.
The interface is also rich! A built-in pump type oxygen concentration meter that can measure even in a tank without pressure.
● Measurement range: 0.1ppm to 100% ● Built-in pump ● Suitable for environments without corrosive or flammable gases ● Comprehensive interface (current output, voltage output, range voltage output, RS232C output) ● Long-life zirconia oxide sensor ● Measures from atmospheric levels to 1000ppm with a 95% response in under 5 seconds ■ The MODELPURE N2 is a portable oxygen analyzer with a built-in pump capable of measuring a wide range from 0.1ppm to 100%. ■ It features an integrated design with the sensor built into the main unit, suitable for measuring oxygen concentration in environments free from corrosive or flammable gases and without pressure, applicable from research and development to industrial measurement. For more details, please download the catalog or contact us.
Portable oxygen concentrator capable of measuring up to ppm /% levels.
● Measurement range: 0.1 ppm to 100% ● In an environment without corrosive or flammable gases ● Operating flow rate: 0.5 to 3.0 L/min ● Measures up to 1000 ppm from the atmosphere with a 95% response in under 5 seconds ● Built-in flow meter and needle valve ● Comprehensive interface (current output, voltage output, range voltage output, RS232C output) ■ The Model OA-1 is a portable oxygen analyzer capable of measuring a wide range from 0.1 ppm to 100%. It is equipped with a high-response, long-life zirconia sensor ZR-100 inside the main unit. It measures up to 1000 ppm from the atmosphere with a 95% response in under 5 seconds. Users can connect their sampling pipe to the back of the unit to measure oxygen concentration. For more details, please download the catalog or contact us.
Measurable in 2 minutes of warm-up! A portable oxygen concentration meter with a built-in pump that can measure up to 1000 ppm in environments free of corrosive and flammable gases.
● Measurable in 2 minutes of warm-up ● Built-in pump ● Compact (main unit) W232×H150×D172 mm, 2.7 kg ● Long-life zirconia oxide sensor ● Almost no maintenance required (no worries about drying or freezing) ● Alarm (upper and lower limits) ● RS-232 serial interface ■ The Model 7100P is a portable oxygen analyzer capable of measuring in the range of 0 to 1000 ppm. The measurement ranges are 0–100 ppm and 0–1000 ppm, with options for auto range or fixed range switching. Measurements can be taken after a 2-minute warm-up. ■ It features a long-life zirconia oxide sensor and requires almost no maintenance, with no concerns about drying or freezing. For more details, please download the catalog or contact us.
