Amprobe CO2-100 CO2-Meter User Manual
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OPERATION
1. Press “POWER/SET” to turn instrument on and off.
At power up, it emits a short beep and performs
30 seconds countdown for meter warm up, then
enters normal mode.
2. The meter starts measurement when power
on and update readings every second. In the
condition of operating environment change (ex.
from high to low temp.), it takes 30 sec to respond
for CO2 sensor and 30 minutes for RH.
3. Press “DP/WBT” to switch temperatures
display. The lower left display will cycle from air
temperature, dew point temp., and wet bulb
temp. (Fig.1)
Fig.1
4. Press “HOLD” to freeze the readings, “HOLD”
icon is displayed on the left top of LCD. All current
readings are kept unchanged, except STEL and
TWA. Press “HOLD” again to cancel data hold
function.
5. Hold down “MODE/p”for more than 1 second to
activate and cancel backlight.
6. Press “MAX/MIN” to see the minimum, maximum,
and weighted average readings. Each press of it
displays MIN, MAX, STEL, TWA in sequence and
returns to normal mode. In MIN and MAX modes,
it shows the minimum and maximum readings
of CO2 on main display, and of AIR/DP/WBT
temperatures and humidity on the lower displays.