Test & Measurement Instruments

Fixed Hydrogen Sulfide (H2S) Gas Detector, 0 to 50/100/200 ppm

$486.77

SKU: GD300-H2S

Fixed H2S gas detector is 24 hours online to detect the hydrogen sulfide and gives sound and light alarm with measuring range from 0 to 50 ppm, 0 to 100 ppm, or 0 to 200 ppm. High accuracy and reliability hydrogen sulfide detector has real-time display and infrared remote control with optional output signal 4-20mA and RS485.

Fixed Methane (CH4) Gas Detector, 0 to 100% LEL

$2,093.23

SKU: GD300-CH4

Buy fixed methane gas detector online at good price. Measuring range 0-100% LEL, resolution 1% LEL, optional output signal 4-20mA and RS485, high accuracy 3% F.S. CH4 gas detector 24-hour works to detect and monitor methane concentration, sound and light alarm, real-time display, remote control is available.

Fixed Nitric Oxide (NO) Gas Detector, 0 to 250/500/1000 ppm

$689.99

SKU: GD300-NO

The exclusive discounted nitric oxide gas detector provides highly accurate measurements for sale. The built-in alarm system ensures you know the NO concentration in the environment promptly. The measurement range is 0~250ppm, 0~500ppm, and 0~1000ppm to choose from, which is highly reliable. Characteristic, high stability hydrogen sulfide detector, real-time display, output signal 4-20mA & RS485 optional.

Fixed Nitrogen (N2) Gas Detector, 0 to 100% Vol

$742.46

SKU: GD300-N2

Buy nitrogen gas detector from high-quality manufacturer at good price. Measuring range 0-100% Vol, supports remote control, optional output signal 4-20mA and RS485, high accuracy 3% F.S, fast response within 10s. N2 gas detector for nitrogen concentration detecting and leak monitor, sound and light alarm, 24h online, real-time display, fixed mounting.

Fixed Nitrogen Dioxide (NO2) Gas Detector, 0 to 100/500/1000 ppm

$734.87

SKU: GD300-NO2

Fixed nitrogen dioxide (NO2) gas detectors for detecting NO2 concentrations for sale, with optional measuring ranges from 0 to 100/500/1000 ppm. The NO2 leak detector has audible and visual gas alarm and data display functions, a unique infrared control function, which can control the equipment non-contactly, the signal output is optional 4-20mA and RS485, and the explosion-proof design is fast, reliable, and stable.

Fixed Nitrogen Oxides (NOX) Gas Detector, 0 to 20/50/100/500/1000 ppm

$781.59

SKU: GD300-NOX

Low price fixed NOX gas detector is an essential safety monitoring equipment designed to continuously monitor and detect Nitrogen Oxides (NO and NO2) in industrial environments. This gas sniffer comes with an advanced sensor and sound & light alarm, measuring ranges of 0-1/5/10/20/50/100/250/500/1000ppm.

Fixed Oxygen (O2) Gas Detector, 0 to 25% / 30% Vol

$434.77

SKU: GD300-O2

Fixed gas detector for detecting oxygen concentration. Measuring range 0~25% or 0~30% for selection, output signal 4-20mA and RS485, high accuracy 3% F.S. O2 gas detector has sound and light alarm, real-time display, remote control, small size, lightweight, low price.

Fixed Ozone (O3) Gas Detector, 0 to 1/5/10/20/50/100 ppm

$869.43

SKU: GD300-O3

Reliable manufacturer Ozone gas detector for sale. Available measuring range 0-1/5/10/20/50/100 ppm, sound and light alarm by remote control, output signal 4-20mA and RS485, high accuracy 3% F.S, fast response within 10s. O3 gas concentration detector is fixed mounting, small size, compact structure, competitive price.

Fixed Phosphine (PH3) Gas Detector, 0 to 100/1000/3000 ppm

$779.89

SKU: GD300-PH3

Selling a PH3 phosphine gas detector with an alarm light at a low price. This is a wall-mounted explosion-proof gas detector with a measuring range of 0 to 100/1000/3000 ppm. It can work continuously for 24 hours and is powered by 12-24V DC, the gas detector has a connection distance of 1000m, and the protection level is IP65.

Fixed Sulfur Dioxide (SO2) Gas Detector, 0 to 20/50/100 ppm

$935.99

SKU: GD300-SO2

Favorable price SO2 sulfur dioxide gas detector with alarm light is a 24h continuously wall mounted type gas detector which can detect SO2 in different kinds of situations. Measuring range 0 to 20/50/100 ppm, powered by 24V DC, with 4-20mA, RS485, relay signal output.

Fixed VOC Gas Detector, 0 to 10/100/200/1000/10000 ppm

$1,765.79

SKU: GD300-VOC

Fixed VOC (Volatile Organic Compound) gas detector is used to monitor the presence of harmful gases in industrial settings, laboratories, and other environments where VOCs are emitted. Factory price gas monitor comes with an advanced sensor and sound & light alarm to detect and quantify various VOCs in the air, providing real-time data to ensure the safety of workers and the surrounding environment, measuring ranges of 0-1/5/10/20/50/100/200/500/1000/2000/5000/10000ppm available.

Freezer Temperature Controller, Dual Digital, Pt100

$275.38

SKU: ATO-TEMPC-F2D

Freezer temperature controller has dual digital 4 LED display, on-off control/PID control, single RTD input Pt100 (-200.0～600.0℃), relay output, miniature needle printer for temperature record in medicine freezer and cold chain.

GPS Land Meter with Distance Measurement, Figure Track

$173.68

SKU: ATO-LM-3703

The GPS land survey meter is a tool for measuring the area of land. It has a graphical trace and automatic valuation function and automatically identifies slopes. The land surveying equipment is widely used for land subdivision, harvesting, hillside surveying, exploration, farmland and lake surveying.

Handheld Concrete Moisture Meter

$350.62

SKU: ATO-CMM-MS300

Concrete misture meter with affordable price for sale. Digital display of digital moisture meter with back light gives exact and clearly reading although you stay at the somber conditions. This type of moisture meter is used for measuring moisture content of wood, timber, bamboo, carton, concrete, glasses and other materials.

Handheld Digital Laser Tachometer, 2.5 rpm-99999 rpm

$65.89

SKU: ATO-DT-2234C

Buy a non-contact type laser tachometer online, the combination of a large, easy to read digital LCD screen and a fast, high speed laser beam allows the user to get fast readings up to 99999 rpm. This mini handy digital tachometer is a multi-function tool that can be used in a variety of applications including automotive, industrial and laboratory environments.

Handheld Voltage Current Thermocouple Calibrator, Output Signal Source

$146.03

SKU: ATO-SIGNAL-C703

This handheld calibration tool is a voltage, current and thermocouple signal source/generator, able to output and measure 0-30V, 0-24mV, and 0-100mV voltage signal, 0-24mA and 4-20mA current signal and K, E, J, T, R, B, S, N type thermocouple, easy to use and high accuracy, helpful for testing and calibration in the industry field.

House Air Quality Monitor, HCHO/TVOC

$110.20

SKU: ATO-AIR-JMS11

Portable air quality monitor for house/home, supports Formaldehyde (HCHO) and TVOC detection at the same time, semiconductor gas sensor principle, small and lightweight, handheld air quality detection, quick response and accurate result.

Industrial pH/ORP Meter for Water

$271.78

SKU: ATO-PHM-163S

Low price pH/ORP meter is specially designed for water testing and can detect and monitor pH (0~14pH) and ORP (-1000~1000mV) of sewage. Recommended industrial pH detector is equipped with an optional 5m sewage combination electrode/glass electrode/electroplating electrode/PTFE electrode/desulfurization electrode, which can be used in sewage treatment, dosing control, desulfurization chemical industry, printing and dyeing industry, waste gas treatment, and electroplating industry.

Laser Diameter Gauge, Single Axis, 0.1-40mm

$3,025.39

SKU: ATO-LDG-40A

Laser diameter gauge, available at a competitive price, is designed for precise measurement of cylindrical objects such as wires, cables, tubes, and rods within a range of 0.1-40mm. Utilizing advanced laser technology, this single axis laser diameter gauge ensures high accuracy and reliability in diameter size measurement.

Mini Clamp Meter, AC Current 600A, True RMS Function

$73.89 $82.10

SKU: ATO-CLAM-3268A

The mini clamp meter is a basic True-RMS clamp meter with AC current range 0-600A, AC/DC voltage range 0-600V, resistance range 0-2MΩ and maximum jaw opening size 28mm. Digital mini clamp meter also has special functions of diode test, on-off buzzer, data hold, automatic power off, overload protection, manual range selection and white backlight.