testo 830-T4 Manual De Instrucciones página 12

12
7. Operation
7.1 Connecting probe
Connect temperature probe to probe socket. Observe
7.2 Switching on/off
Switch on instrument: Press measurement button.
- All display segments light up briefly. The instrument changes to
the infrared mode ( lights up). The display light remains for 10
seconds every time a button is activated.
Switch off instrument: Keep pressed until display darkens.
measure ment view) or
view) without the button being pressed.
7.3 Measuring
Observe information on infrared measurement (chapter 11) /
contact measurement (chapter 12).
With IR measurement, the min./max. values are reset by
device is switched off
or when you switch to
the IR measurement
view.
- The instrument is switched on.
Infrared measurement
1 Start measurement: Hold down
measurement button.
2 Locate object to be measured using laser point: Laser
marks the upper and lower end of the measurement spot
(at distance to measurment object from 1,0 m; see chapter
11.3 measurement spot, distance).
- The current reading is shown (2 measurements per second)
3 End measurement: Release button.
before the measuring instrument was switched on.
The device switches off automatically after 1 min (IR
pressing the measurement button, and with
contact measurement, this is done when the
-
value and min./max. value are saved
until the next measurement.
recorded value: Press .
measurement button.
Contact measurement
-
+/-!
10 mins (contact measurement
HOLD lights up. The last measured
Switch between min., max. and
Restart measurement: Press
Temperature probe was connected