Watchgas – SST1 Singel Gas Detector – Serviceable type

Size 

83 x 49 x 20 mm (3.3 x 1.9 x 0.8 in)

Weight

88 g (3.1 oz)

Temperature

CO, H2S, O2 SO2: -40°C to +60°C
(-40°F to +140°F) /
Others: -20°C to +50°C (-4°F to +122°F)

Humidity

5 ~ 95 % RH (Non – condensing) 

Response time T90

H2S, CO, O2, PH3 H2: < 10 sec
CH4S: <40 sec
SO2: <55 sec
NH3: <130 sec
Other sensors may vary

Battery Life

O2: 2 years
H2S, CO, SO2, NH3, H2, PH3, Ch4S: up to 3
years, dependent on gas alarms

Event Logging 

Last 100 events 

IP

IP67-68

Communication

NFC

Shelf Life 

1 year

Certifications & Approvals 

ATEX, IECEX, UKEX
II 1 G Ex ia IIC T4 Ga
I M1 Ex ia I Ma 0344
Int.Safe: Cl I Dv 1, Gr A,B,C,D T4
CSA C22.2 NO. 60079-0
CAN/CSA C22.2 NO 60079
UL 61010 UL60079-0, UL60079-11
safety requirements
CAN/CSA-C22.2 NO 61010-1-12
Low Voltage Directive 2014/35/EU
EMC Directive 2014/30/EU

Warranty

Instrument: 3 years
Battery: 2 years based on 1 min of alarm
per day
Sensors:
NH3, CH4S, PH3: 1 year
H2S, CO, O2, SO2, H2: 2 years