11
7. Operation
7.1 Connecting probe (testo 830-T2 only)
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.
The device switches off automatically after 1 min (IR measure -
ment view) or 10 mins (contact measurement view, only testo
830-T2) 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
pressing the measurement button, and with contact
measurement, this is done when the 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.
testo 830-T1: laser marks the centre point of the measurement
spot.
testo 830-T2: Laser marks the upper and lower end of the
measurement spot.
- The current reading is shown (2 measurements per second)
3 End measurement: Release button.
- HOLD lights up. The last measured value and min./max. value
are saved until the next measurement.
Switch between min., max. and recorded value: Press .
Restart measurement: Press measurement button.
Contact measurement (testo 830-T2 only)
- Temperature probe was connected before the measuring
instrument was switched on.
1 Position contact thermometer in/on the measurement object
and activate the measurement: Press .
- The instrument changes to the contact measurement mode
( lights up). The current reading is shown.
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