Damage caused by disregard of certain guidelines in this manual is not
•
covered by the warranty and the dealer will not accept responsibility for
any ensuing defects or problems.
Keep this manual for future reference.
•
4. Features
temperature readout in °C or °F
•
data hold
•
lock feature for continuous scanning
•
over range indication
•
automatic power off
•
adjustable emissivity
•
resolution 0.1°C (0.1°F)
•
5. Overview
Refer to the illustrations on page 2 of this manual.
A
IR sensor
B
B1 IR LCD
B2 probe/clamp LCD
C
mode button
D
IRT/down button
6. Operation
The thermometer can measure temperature in 3 ways, using IR, probe
•
or clamp. The desired way will determine how to switch on the
thermometer:
to use the IR sensor [A], press the IRT button [D].
o
to use the clamp [H], press the ON/OFF button [F].
o
to use the probe [I], first unfold the probe [I], and then press the
o
ON/OFF button [F].
In hold mode, the thermometer will automatically switch of after ±15s,
•
in continuous mode after ±20min.
IR-mode
All data is shown on the IR LCD [B1].
•
Aim the IR sensor [A] towards the target and press and hold the IRT
•
button [D] to measure the temperature. When releasing the IRT button
[D] the last measured value will remain on the display.
Note: The distance-to-target ratio is 1:1; the thermometer should be
held as close as possible to the target.
V. 03 – 22/08/2013
DVM99
E
hold/up button
F
ON/OFF button
G
clamp trigger
H
clamp
I
probe
4
©Velleman nv