Measuring The Temperature - Velleman DEM103 Manual Del Usuario

Display
1 measurement
2 emissivity
3 laser
4 backlight
5 trigger lock
6 °C/°F
7 DIF
8 AVG
9 MIN
10 reading
6. Battery
This device is battery-operated, using 1x 9 V battery. Replace it when the
battery-low icon appears.
To replace the battery, proceed as follows:
1. Wait until the device powers off automatically (about 35 s).
A malfunction may occur if you replace the batteries while the
device is on.
2. Open the battery compartment.
3. Replace the battery with a new 9 V battery.
4. Close the battery compartment.
Warning: Do not puncture batteries or throw them in fire as they
may explode. Do not attempt to recharge non-rechargeable
batteries (alkaline). Dispose of batteries in accordance with local
regulations. Keep batteries away from children.
7. Operation

7.1 Measuring the Temperature

1. Aim the IR sensor at the target and press the measurement trigger to
display the target's surface temperature. A red laser spot appears on
the target during measurement.
2. The distance-to-target ratio is 30:1. This means that, for example, at
30 cm, the target must be larger than 1 cm to get a proper
measurement. Make sure the target area is within this field of view.
3. The device can measure temperatures in °C or °F. Press the up/down
key while the device is on to switch between measurement units. The
corresponding symbol (°C or °F) appears on the display.
V. 02 – 12/06/2015
DEM103
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5
battery level
low alarm mode
low alarm
high alarm
high alarm mode
K-type mode
MAX
data recording
current reading
data hold
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