GHS Hydrogen Sulphide Data Logger (0 - 500 ppm)

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Catalog number: GHS-8AT-EX (G500)

Incorporated data logger makes it possible for continuous monitoring in sewer system. If corrosive hydrogen sulphide is generated in sewer system, it makes rust in the sewer and generates odor from the underground. For the worst case, the H2S gas gives great damages to the buildings, and facilities. Continuous monitoring provides to watch sewer system and corrosion of sewage pipelines, and generation source of offensive odor.

Key features
  • The large display screen enables you to check concentration, temperature, and remaining battery capacity
  • The product also comes with a function that notifies you of when the sensor must be calibrated
  • The recording switch enables you to freely select the start and end points of recording
  • Small and light weight
  • The water resistance and corrosion resistance of the structure have been enhanced (IP66/67), and the product is designed to float on water
  • Even when logging is performed for one minute, up to one month's worth of concentration and temperature data can be recorded
  • We manufacture sensors for a wide range of measurement applications to match a variety of measurement locations
Display LCD
Information displayed concentration, temperature, time,
  battery life, remained data capacity in days
Hydrogen sulphide measurement  
  Ranges 0 – 10 ppm to 0 – 3000 ppm
  Accuracy ± 5 % FS (after calibration)
Temperature measurement  
  Range 0 to 40°C
  Accuracy ± 3°C
Ingress protection IP66/67
Power source 2 x AA batteries
Battery life up to 3 months
Memory capacity 45960 data points (31 days with record every minute)
Communication interface USB 2.0
Operating temperature 0°C to 40°C
Operating humidity 30 to 95% RH, non-condensing
Certificate ATEX
  Ex II 2G Ex ia IIB T3 Gb
Dimensions 89 × 148 mm (cylinder)
Weight 390 g


  • H2SGas detected

Operating conditions

  • ElectrochemicalDetection/Operation principle
  • NeRelays

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Laboratory instruments and accessories

Measurement and control

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