Compact Gas Detector

Portable gas detectors generate electrical signals through sensors that come into contact with gas, and the signals are processed by circuits to display concentration values. They are used for rapid on-site detection of hazardous gases in the environment, ensuring personnel safety, and are commonly employed in scenarios such as factory inspections and confined space operations.
Selection
When selecting, it is essential to clearly identify the types of gases to be detected, determine the explosion-proof rating and protection standards based on the usage environment, choose the sensor type considering battery life and response speed, pay attention to data logging capabilities and calibration cycles, and refer to industry standards to match the requirements of the application scenario.

Terms

Standards

Instruments

It can detect halogen gas leaks of less than 0.5 ounces per year, with an instantaneous Response Time and a Warm-Up Time of less than 90 seconds. It features automatic warm-up and battery protection, and a portable design weighing only 480 grams.

$ 154.00

Detect NH3 gas, range 0~ 100ppm, resolution 0.1ppm, Response Time T90 ≤ 120s, support sound and light alarm, Operating temperature -10~ 50 ℃, Working time for more than 60 hours, Portable design weighs only 170 grams.

$ 328.00

Electrochemical sensor, Response Time ≤ 20 seconds, resolution 0.1ppm. With ultra-high waterproof design, provide replaceable in-line module Sensor, support two-level triple alarm function, compact and portable.

$ 202.00

Using 8-bit micro control technology, Response Time is less than 60 seconds, equipped with 12864 point array LCD display gas concentration, with sound, light and vibration triple Alarm mode, Protection Rating up to IP65.

$ 235.00

Imported Electrochemical sensor, detection accuracy ≤ +/- 1%, Response Time ≤ 20 seconds; Support 1-5 kinds of gas detection at the same time, built-in powerful air pump, with Data storage and Temperature Humidity detection function.

$ 716.00

Maximum 4 kinds of gas simultaneous detection, integrated temperature and Humidity compensation, with Internet of Things remote monitoring function, Response Time T90 ≤ national standard, Protection Rating IP66, suitable for a variety of Installation methods.

$ 693.00

Two Operating Modes, point and continuous, fixed speed up to 3000rpm, track diaMeter 4mm, compact and lightweight only 3.5kg, engineering plastic shell corrosion resistance, stable operation.

$ 141.00

Using 32-bit microprocessor and 24-bit ADC chip, support 1-6 Sensor expansion, with 4-20mA, RS485 and relay output, Protection Rating IP65, suitable for gas monitoring in harsh environments.

$ 451.00

Electrochemical sensor, detecting phosphating hydrogen gas, range 0-20ppm, resolution 0.1ppm, with sound, light, vibration triple alarm, IP65 Protection Rating, suitable for harsh environments.

$ 235.00

Industrial Sensor, Response Time less than 30 seconds, accuracy +/- 3% FS, with explosion-proof structure, support 4-20mA and RS485 output, suitable for a variety of Gas detection.

$ 251.00

Using industrial grade Sensor to detect nitrogen dioxide gas, range 0~ 20ppm, resolution 0.1ppm, Response Time T90 < 60s, with waterproof, dustproof and explosion-proof characteristics, small and durable.

$ 248.00

Semiconductor Sensor to detect halogen gas leaks of less than 0.5 oz/year, Response Time ≤ 1 second, Sensitivity adjustable, Portable design weighing 250g, up to 9 hours of operation.

$ 109.00

Electrochemical sensor, Response Time less than 30 seconds, Measurement accuracy +/- 3% FS, 4-20mA standard signal output and passive relay control port, suitable for a variety of Gas detection needs.

$ 267.00

Using Industrial Sensor, Response Time T90 is less than 60 seconds, with waterproof, dustproof and explosion-proof function, round and durable shell, suitable for Gas detection in various industrial environments.

$ 248.00

Support 4 kinds of gas detection at the same time, with IP67 waterproof grade and 10 Meters anti-drop ability, compatible with diffusion and pump suction sampling, Response Time T90 ≤ national standard, battery life up to 60 hours, anti-electromagnetic interference.

$ 409.00

Articles

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Application of Desktop Viscometer Cups in Batch Sample Screening at Quality Inspection Centers
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Practical Guide to Selecting Rotors and Speeds for Rotational Viscometers
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