Extech CO200 - Manuals

5 CO200-EU-EN v1.2 08/13 P1. 3 CO 2 ALARM: BEEP ALARM P1. 3 is used for setting the CO 2 upper limit for the BEEPER ALARM level. The current set value will be blinking on the display. Press the ▲ or MIN/MAX ▼ button to increase or decrease the value. Each press adjusts in 100ppm increments. The alar...

7 CO200-EU-EN v1.2 08/13 Calibration CO 2 CALIBRATION The meter is calibrated to a standard 400ppm CO 2 concentration at the factory NOTE: When the accuracy becomes a concern or after a year of use, return the meter to Extech for a standard calibration. CAUTION: Do not calibrate the meter in an atmo...

8 CO200-EU-EN v1.2 08/13 Specifications Function Range Resolution Accuracy CO 2 0 to 9999ppm 1ppm ±(5%rdg +50ppm) Temperature -10 to 60°C 14 to 140°F 0.1° ±0.6°C/0.9°F Humidity 0.1 to 99.9% 0.1% ±3%(10 to 90%) ±5%(< 10% or > 90%) Display LCD Sensor Type CO 2 : NDIR (non-dispersive infrared) te...

9 CO200-EU-EN v1.2 08/13 TROUBLESHOOTING   Can’t power on: Check whether the adaptor is properly plugged in. Slow response: Check whether the air flow channels on the rear of the meter are blocked. "BAt” and green LED keep flashing: The adaptor output voltage is too high or too low. Please use t...

10 CO200-EU-EN v1.2 08/13 CO 2 Levels and Guidelines Non-Enforced Reference levels:  250 - 350 ppm – background (normal) outdoor air level  350- 1,000 ppm - typical level found in occupied spaces with good air exchange.  1,000 – 2,000 ppm - level associated with complaints of drowsiness and poor ...