Velleman DVM99 - Manual (Page 4)

DVM99
V. 03 – 22/08/2013 4 ©Velleman nv
• 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 E hold/up button
B B1 IR LCD F ON/OFF button
B2 probe/clamp LCD G clamp trigger
C mode button H clamp
D IRT/down button I probe
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:
o
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
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.