Power-Up / Power-Down - DeFelsko PosiTector DPM Instruction Manual

The Dew Point Meter is a hand-held, electronic
instrument that measures, calculates and records
climatic parameters, quickly and accurately.
Measured parameters are:
Surface
Temperature
Sensor

Power-up / Power-down

Power-up / Power-down
The PosiTector DPM powers-up when any button is
pressed. To preserve battery life, the instrument
powers-down after approximately 3 minutes of no
button activity. To power-down immediately, hold
both (-)(+) buttons for 5 seconds. Settings are
retained during power-down.
Introduction
Introduction
RH
- Relative Humidity
T
a - Air Temperature
T
s - Surface Temperature
T
d - Dew Point Temperature
- Surface minus Dew Point
Temperature
2
Air temperature
and humidity
sensor