Sigma Ex handheld explosion-proof gas analyzer Sigma Ex is designed to monitor the concentrations of combustible and noxious gases for providing industrial and ecological safety. Sigma Ex can be used for: • Explosion safety for oil and gas facilities; • Monitoring of the environment and industrial areas; • Underground utilities; • Fuel depots; • Sea, railway and vehicle transportation.
In Sigma Ex the electrochemical or optical NDIR sensors are used
Sigma Ex provides the audible and visual alarm when the preset thresholds of gases concentrations have been exceeded.
Sigma Ex is equipped with 2 optical sensors and 1 electrochemical sensor
NDIR or electrochemical
Application scope Monitoring of an air of the residential and industrial areas. Сertification of workplaces. Oil and gas pipelines. Oil and gas production. Livestock farms. Underground engineering networks. Chemical production and storage.
Main consumers • •
Communications companies; Industry (including chemistry, military and energy) and environmental control. Air, sea, railway and vehicle transport companies.
Detectable gases (depending on the sensor used)
CO2, CH4, C3H8, ∑CH
O2, CO, H2S, NH3, NO2, SO2, Cl2
Warm up time
– 20…+75 °С
– 20 …+50 °С
Operating time without accumulator recharge
DC 3,6 V
Built-in pump Manual sampling device
• Explosion proof mark 1ExibIIBT4 X. • Explosion proof type “i” (intrinsic safety) • Ingress Protection Rating IP54
+7 (812) 702-07-39 +7 (911) 225-24-22