Carbon Monoxide Monitor
Model CO-91

Dual Oxygen and Carbon
Monoxide Monitor
Model CO2-91

Approved Intrinsically Safe
Carbon Monoxide Monitor
Model CO-91IS
Approved for use in Class I, Division 1,
Groups C and D environments
Intrinsically safe versions have no AC power output jack

· Dimensions: 7" L x 2.75" H x 5.1" W

· Weight: 2 Pounds

· Monitor Display: 3 Digit LCD

· Temperature Range: 4 to 113 F (-20 to 45 C)

· Monitor Range: 0-200 ppm CO;
   15-23% O2 (if installed)

· Pressure Range: 1-3 psi, flow 50-100 cc

· Accuracy: 1% of full scale

· Response: 90% of full scale in 10 seconds

· Sensor Type: 3-Electrode electrochemical

· Humidity Range: 10% to 90% relative humidity

· Intrinsically Safe Versions Rating:
  Approved for use in Class I, Division 1, Groups C
  and D environments

· Warranty: 2 years on entire unit and CO sensor,
   1 year oxygen sensor (if installed)

· Alarm Setting: 10 ppm CO adjustable
   (5 ppm International)

· Calibration Gas: Zero adjustment - zero air: span
   adjustment - 20 ppm CO

· Voltage Operation: 115 VAC, dual 9 VDC, or
   8-16 VDC

· Test Circuitry: Manual push-to-test for sensor
   operation and alarms

· Shielding: Internal RFI/EMI

· Warning Indicators: low battery (amber); normal
   operation (green); high CO (red), low O2 (red) -  
   indicator colors may vary by model

·  Case: Aluminum with black anodized finish

E-mail this Page

Calibrating the CO Monitor

Portable Carbon Monoxide Airline Monitor

Panel Mounted CO Monitor

Sensor Interferences