TESTO 312-4, Инструкция по эксплуатации

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5 First steps
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5 First steps
Insert battery/rechargeable battery.
To avoid the loss of data, it is imperative that you switch
the instrument off when changing the
battery/rechargeable battery and replace the battery
within 10 min.
1. Open the battery compartment on the rear of the instrument.
2. Insert monobloc/rechargeable battery (observe the polarity!)
3. Close the battery compartment.
Connecting probes / sensors
Connect the probes/sensors before switching the instrument on.
Sensor-specific characteristics are only read in when the
instrument is switched on. Make sure the connections are secure,
but do not use force!
> Connect thermocouple probe (type K), NTC probe, pressure
probe at socket 1 and socket 2 .
> Connect pressure tubes to + and - .
Caution! Danger of injury caused by the pressure tube
jumping away from the connection socket!
> Ensure correct connection.
External probes/sensors have priority over the internal
sensors during recording of readings. A maximum of 2
measurement channels is shown.
> Only connect external probes/sensors if you require
these for the respective measuring task.
Switching on
Connect the required probes/sensors before switching
on.
1. Switch the instrument on using .
- A display test will follow: All segments of the display light up for
around 1 sec.
- Automatic probe detection will be carried out. The supply
voltage and the current time will be displayed.