Acidic Gas Detector

Acidic gas detectors use electrochemical sensors to react with gases and generate current signals, detecting the concentration of acidic gases such as sulfur dioxide and hydrogen chloride in the environment. They are used for industrial safety monitoring and environmental emission control to prevent equipment corrosion and personnel poisoning.
Selection
When selecting, consider matching the types and ranges of detected gases with on-site requirements, confirm the sensor lifespan and calibration cycle, check that the explosion-proof rating suits the environment, evaluate data recording functions and alarm methods, and compare maintenance costs and response times across different brands.

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

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

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

With explosion-proof structure design, Response Time is less than 30 seconds, resolution is up to 0.1ppm, with 4-20mA and RS485 signal output, suitable for gas monitoring needs of various industrial environments.

$ 251.00

Support simultaneous detection of 4 gas paraMeters, integrated temperature and Humidity detection function, with Internet of Things remote monitoring capability, Response Time T90 meets national standards, Protection Rating up to IP66, adapt to -40~ 55 ℃ working environment.

$ 328.00

Articles

Differential pressure method gas permeameter measures oxygen transmission rate of films.
This article introduces the method of measuring the oxygen transmission rate of films using the differential pressure gas permeation apparatus.
Performance Comparison of Electrochemical Sensors and Infrared Sensors in Multi-Gas Detectors
This article compares the performance of electrochemical sensors and infrared sensors in multi-gas detectors.
Operating Specifications for the Determination of Hexavalent Chromium Content in Wastewater Using Colorimetric Titration Apparatus
This article introduces the standard operating procedure for determining hexavalent chromium content in wastewater using a colorimetric titrator. The method is based on the reaction between hexavalent chromium and diphenylcarbazide under acidic conditions to form a purplish-red complex, with the titration endpoint determined by monitoring changes in absorbance at a wavelength of 540 nanometers.
Automatic potentiometric titration method for determining hydrogen peroxide concentration by redox method
This article introduces a method for determining the concentration of hydrogen peroxide using an automatic potentiometric titrator. It is based on the redox reaction between potassium permanganate and hydrogen peroxide under acidic conditions, with the titration endpoint automatically determined by the abrupt change in potential.
Salt spray test chamber detects the corrosion resistance of coatings.
The salt spray test chamber accelerates the testing of coating corrosion resistance by simulating a salty and humid environment. It uses atomized sodium chloride solution to form salt spray, which settles inside the constant temperature chamber, and conducts tests under neutral or acidic conditions in accordance with standards.