Single Gas



The Single Gas is a reliable and durable single-gas detector (CO, O2 und H2S) with limited lifetime. The warning device is available in a compact and maintenance-free design, to ensure the safety of the user in hard working conditions.
The Single Gas stores by default the last 25 happenings. The data is stored on a First-In-First-Out principle. This information can be downloaded via the IR communication module.


  • Operational life of two years
  • Full factory warranty throughout the life of 24 months
  • Measurement of H2S, CO and O2 ensures the safety of the worker
  • Reduces training time
  • Loud audible alarm, bright visual alarm, vibrating alarm
  • Programmable alarm levels and screen presentation
  • 0.1 ppm resolution for real-time display of gas concentration
  • Shelf life up to 12 months before activation
  • Self-test function
  • Note for function tests and reminder programmable
  • Event log via IR interface
  • „Bump check“ confirmation identification

Technical data

Dimensions81 mm x 50 mm x 28 mm (WxHxD)
Weight76 g
Temp. rangeH2S: -40 °C to +50 °C;
CO: -40 °C to +50 °C;
O2: -35 °C to +50 °C
Humidity5 % to 95 % non-condensing relative humidity
AlarmsVisual, vibrating, audible (minimum 95dB)
LED’sLEDs on top, front and side
DisplayAlphanumeric LCD Graphics display
TestsFull function self-test on activation and every 20 hours,
continuous automatic battery tests
Operational Life2 years, at 4 alarm minutes per day
Protection typeIP 66/67
CertificationsATEX II 1G Ex ia IIC T4 Ga; IECEx Ex ia IIC T4
Warranty2 years from activation
1 year shelf life
Gases H2S 0 - 100 PPM
CO 0 - 300 PPM
O2 0 - 30 %
Optional accessoriesEsders IR communication module communicates directly with the Single Gas to program special alarm set points, user options, as well as, download event logs & data logs