PDM PRO CO2

Sustainable Single Gas Detector - CO2

The PDM PRO CO2 is a single gas sustainable gas monitor designed to detect Carbon Dioxide (CO2) in the ambient environment. The PDM PRO CO2 is sustainable, hence its battery and sensor can be replaced. When the device is turned on, the PDM PRO CO2 continuously monitors ambient air for the presence of CO2 and alerts the user to potentially unsafe exposure with LED, vibrating, and audible alarms. After use, the instrument can be turned off. With an excellent battery life of 14 days and a recharge time of only 100 minutes, the PDM PRO CO2 offers great versatility for any user.

  • Rugged durable impact-proof housing;
  • 14 days battery life, full recharge in 100 minutes;
  • Eventlog that stores 30 most recent events;
  • Datalog that stores up to 64000 datapoints;
  • Food and beverage industries;
  • Laboratories;
  • Refrigeration.

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Size 54mm (WD) x 99,5mm (H) x 38mm (D)
Weight 135g
Sensor Technology Non-dispersive infrared (NDIR)
Temperature -20°C ~ +50°C 
Humidity 5% - 95% RH (non-condensing)
Alarm Types High Alarm, Low Alarm, TWA Alarm, STEL Alarm, Over Range Alarm, Battery Low Alarm, Bumptest and Calibration due notification
Alarm Signal Acoustic: 95 dB @ 30cm
Visual: Red flashing LEDs
Vibration: Vibration
Display LCD display
Calibration  Manual 2-point calibration
Data Log Stores up to 64.000 datapoints
Event Log 30 most recent events (overwriting)
Operating Time 14 days
Battery Charging Time 100 minutes
Measuring Range 0-5%vol CO2 or 0-50000 ppm CO2
Sensor Resolution 0.01%vol or 100ppm
Housing Rubber enclosed polycarbonate
IP-Rating IP67
Response Time T90 ≤ 60sec
EMI/RFI EMC directive (2014/30/EU)
Sensor Life 5 years (expected)
Safety Certifications ATEX: Non-Atex
CE: 2014/30/EU
RoHS 2
Warranty 24 Months
Included accessories Calibration Cap
USB-C charger (usable worldwide)
User  Manual
Factory calibration certificate


Model Detectable Gas Ranges Resolution Article Number

WatchGas PDM Pro CO2

NDIR Sensor

0-5%vol CO2


0-50000ppm CO2
0.01 %vol


100ppm
7192008

Manufacturer: WatchGas
Article Nr. Co2: 7192008