WatchGas PDM+ - Battery Replacement; Specifications; General Specifications; Sensor Specifications

Detection
PDM+ Single Sustainable Gas Detector User Manual
12
D e t e c t i on
7.2. BATTERY REPLACEMENT
1. Deactivate the detector
2. Remove the 6 screws on the back case.
3. Replace battery with original SB-AA02 3.6V battery only
4. Assemble the detector.
5. After assembling, perform the fresh and standard calibration.
6. Before use, have the sensor stabilized for 5 minutes. Some sensor may require al longer
stabilization time.
8. Specications
8.1. GENERAL SPECIFICATIONS
Model Detectable Gas Ranges Resolution Article Numbers
PDM+ O 0-30%vol 0.1%vol 7192002
PDM+ CO 0-500ppm 1ppm 7192001
PDM+ HS 0-100ppm 0.1ppm 7192000
PDM+ H
2
0-1000 ppm 1 ppm 7192006
PDM+ SO 0-20ppm 0.1ppm 7192005
PDM+ NH 0-100ppm 1ppm 7192003
PDM+ HO NON-ATEX 0-99 ppm 0.1 ppm 7192007
PDM+ NO2 0-20 ppm 0.1 ppm 7192004
Size
54mm(W) x 91mm(H) x 32mm(D)
Weight
93g (Toxic), 104g (O
2
) (Battery, clip included)
Sensor technology
Electrochemical Cell
Temperature
-40ºC ~ +50ºC (for Toxic) / -35ºC ~ +50ºC (for O
2
)
Humidity
5% ~ 95% RH (Non-condensing)
Alarm type
High Alarm, Low Alarm, TWA Alarm, STEL Alarm,
Over range Alarm, Battery low alarm, Cal due alarm
Alarm signal
Acoustic: 95dB @ 30cm
Visual: Red ashing LED’s
Vibration: Vibration
Display
LCD Display
Calibration
2-point calibration, zero and span.
Event log
30 Most recent events
Battery
DC 3.6V, 1.2Ah Lithium battery, changeable
Measurement
Diusion
Housing Polycarbonate and rubber
IP-Rating IP67
Safety certications ATEX: II 1g Ex ia IIC T4 Ga
INMETRO: Ex ia IIC T4 Ga
IECEx: Ex ia IIC T4 Ga
Warranty 24 months, based on 2 minutes of alarm per day
8.2. SENSOR SPECIFICATIONS