Descriptions
METER
1. Temperature and Humidity sensor
2. Primary display
3. Secondary display
4. Power and Set button
5. Start and Escape button
6. Mode and Recall button
7. Min-Max-Avg and Enter button
8. Memory and Down button
9. CO and CO
2
sensors (on rear of meter)
10. Hold and Up button
11. AC Adaptor and Micro USB ports
Battery compartment on rear of meter
LCD DISPLAY
LCD SYMBOLS
CO
2
Carbon dioxide
CO Carbon monoxide
TWA Time weighted average (8 hours)
STEL Short-term exposure limit (15 minutes weighted average)
HOLD Freezes current reading on display
MIN/MAX Minimum/Maximum readings
Low battery indicator
DP Dew point temperature
TA Air temperature
WBT Wet bulb temperature
%RH Relative humidity
C or F Celsius/Fahrenheit
CAL Calibration Mode
REC Manual/automatic data logging
RECALL View manually logged data