+974 3320 2860


+974 3320 2860

H2S Detector – Watchgas PDM

Introducing the Watchgas PDM H2S Detector – your ultimate solution for H2S detection in Qatar. This feature-rich single gas detector offers unparalleled value, making it your daily companion in hazardous environments. They are cost-effective due to their high reliability and user-friendliness. Operating maintenance-free for up to two years, simply turn it on and let it run continuously, eliminating the hassle of battery and sensor replacements. This ensures consistent reliability without any downtime.


  • Lightweight & Compact
  • Stores up to 30 events
  • Maintenance Free
  • 2 years of use
  • IP-67
  • Fast bump tests with Docking Station
  • Visual, Acoustic and Vibration alarms


More Details


Detectable gas ranges O2 CO H2S SO₂ NH3 H₂
0-30%Vol 0-500 ppm 0-100ppm 0-200 ppm  0-100ppm  0-1000 ppm
Resolution O2 CO H2S SO₂ NH3 H₂
0.1%Vol 1ppm  0.1 ppm 0.1 ppm 1 ppm 1 ppm 
Output specifications LCD display of current reading with alarm sounder and vibrator
Sensor technology Electrochemical Cell
Power supply DC 3.6V, 1.2Ah Lithium battery
Operating life 24 months, based on 2 minutes of alarm per day
Operating temperature -30°C ~ 50°C
Operating humidity 5% ~ 95% RH (Non-condensing)
Dimensions  49mm(W) x 84mm(H) x 40mm(D)
Weight  93g (Toxic), 104g (O2) (Battery, clip included)
Alarm   95dB
Enclosure material Polycarbonate and rubber
IP Rating of enclosure IP67
Approval  ATEX:

II 1g Ex ia IIC T4, CSA: C1,

D1, Groups A, B, C, D, T4


Ex ia IIC T4 Ga


PDM-H2: 8719992974948

PDM-SO2: 8719992974955

PDM-NH3: 8719992974962

PDM-H2S: 8719992974979



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