DeFelsko PosiTector DPM v.3.1 Quick Guide - Manual (Page 2)

1
Introduction Introduction
The PosiTector Dew Point Meter (DPM) is a hand-held,
electronic instrument that measures, calculates and records
climatic conditions, quickly and accurately. It consists of a body
(Standard or Advanced) and probe (Built-In or Separate).
This Quick Guide summarizes the basic functions of the Gage.
Download the full instruction manual at:
www.defelsko.com/manuals.
The PosiTector DPM powers-up when the center navigation
button is pressed. Readings are updated automatically each
second. To preserve battery life, the instrument powers down after
approximately 5 minutes of no activity. All settings are retained.
Quick Start Quick Start
1. Remove the protective rubber cap from the surface
temperature sensor.
2. Power-up Gage by pressing the center navigation button.
Scroll through
Trend Charts
(Advanced only)
Access the Menu
Pause / Resume
Restore brightness
after dimming
(Advanced only)
Button Functions- Normal Operation
RH - Relative Humidity (measured)
Ta - Air Temperature (measured)
Ts - Surface Temperature (measured)
Td - Dew Point (calculated)
Ts-Td - Surface minus Dew Point
Temperature (calculated)
Tw - Wet Bulb Temperature (calculated)
(Advanced Models Only)
A typical instrument screen is shown below, consisting of RH, Ta,
Ts, Td, and Ts-Td readings. This group of readings is referred to as
a dataset.