Velleman DVM1322 - Manual (Page 3)

DVM1322_v2 VELLEMAN 3
DVM1322 – DIGITAL THERMOMETER
1. Introduction
To all residents of the European Union
Important environmental information about this product
This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm
the environment.
Do not dispose of the unit (or batteries) as unsorted municipal waste; it should be taken to a specialized
company for recycling.
This device should be returned to your distributor or to a local recycling service.
Respect the local environmental rules.
If in doubt, contact your local waste disposal authorities.
The DVM1322 is a compact and portable digital thermometer with a 3 ½ digit LCD. It is designed for use with an
external K-type thermocouple. The temperature indications are in accordance with IEC584. The latter pertains to
temperature/voltage tables for K-type thermocouples. Two "K"-thermocouples are supplied.
2. Safety
-
Do not measure voltages in excess of 24VAC or 60VDC in order to avoid electroshocks.
-
Do not perform measurements in a microwave oven in order to avoid burns.
Do not bend the leads of the thermocouples at sharp angles, especially close to the connector. Doing so repeatedly
may cause the leads to break.
The symbol on the instrument indicates that the user should refer to the manual for further details.
3. Operation
a) Selecting the Unit of Temperature
The readings are displayed in either °C or °F. When the device is activated, it will be set to that unit of temperature
that was last used. Press the F/C key to change the unit of temperature.
b) Temperature Read-Out : Single Input
The thermometer displays the temperature of the thermocouple that is connected to the selected input. Press T1 or
T2 to view the temperature of the thermocouple connected to the T1- or T2-input. The number of the input currently
in use will appear on the display ("T1" or "T2").
c) Temperature Read-Out : Two Inputs
Differential temperature measurement is selected by pressing the T1-T2 key. The DVM1322 will now display the
difference in temperature between the two thermocouples (the temperature of thermocouple T1 - the temperature of
thermocouple T2). The "T1-T2"-symbol appears on the LCD.
d) "Data–Hold"-mode
Press the HOLD-key to activate the Data-Hold mode : the "D-H"-symbol appears on the display. When the "Data-
Hold" mode is engaged, the thermometer freezes the readings for the selected input (T1, T2 or T1-T2) and all further
measurements are temporarily suspended. Press "HOLD" again to deactivate the "Data-Hold"-mode. The device will
now resume its measurements.