Measurement range

0-25 ppm CO

Accuracy

< ±2 ppm under constant conditions

Response time

T90 < 30 seconds

Sensitivity (LDL)

0.5 ppm CO

Linearity

±1% under constant conditions

Sensor model

OSV-22-AF

Sensor life at 25°C (77°F) and 1 atmosphere

24 months in air 5°C (77°F) at 1 atmosphere

Calibration interval

Certified span gas mixture of CO concentrations between 10-20 ppm with balance air.

Inlet pressure

800 1200 mbara (11.6-17.4 psig)

Flow rate (constant)

0.2-10 Nl/min (0.4-20 SCFH)

Gas connections

Supplied with Dome adapter (A-3388) with optional BC adapter (A-3671)

Display

2 digit LCD 2.8 x 1.6cm (1.1 x 0.625"); resolution 1 ppm CO

Dimensions

6.9 x 10.4 x 3.4cm (2.72" x 4.1" x 1.35")

Weight

196g (7oz)

Compensation

N/A

Alarms

User adjustable HI and LO alarms (AII-3000 M and MHC only)

Storage temperature

3°C to 35°C (37.4°F to 95°F)

Operating temperature

0°C to 50°C (32°F to 122°F)

Power

2 AA alkaline batteries

Battery Life

Up to 450 hrs of continual use

Humidity

Non-condensing 0-95% RH

Warm up time

60 Seconds