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5. Commissioning and operation
5.2 Switching on and off
Switching on
1. Press the On/Off switch (1) on the console for 1 to 2 seconds.
EN
⇒
Progress bar "Power on" runs on the console's display.
2. Initialisation phase in progress.
⇒
The display on the console shows information about the instrument, such as
firmware version and calibration.
Initialisation phase completed.
3.
⇒
The display on the console shows the start concentration (normally 0).
⇒
The gas presence detector is ready for operation.
The sensor requires a warm-up phase of approx. 10 min in order to
Switching off
Press the On/Off switch (1) on the console for 1 to 2 seconds until the progress bar on
the console display has reached the end of the display and the announcements have
gone.
5.3 Charging the rechargeable battery
The gas presence detector is fitted with a lithium-ion rechargeable battery for an
operating time of approx. 8 hours.
Approx. 90 minutes before the rechargeable battery is empty and the instrument
automatically switches off on safety grounds, the message "Low Batt" will show on both
displays.
1. Switch off the gas presence detector, see chapter "Switching off".
2. Plug in the mains plug of the supplied battery charger into the mains socket.
3. Plug the connector of the instrument into the female connector on the rear of the
console.
4. Wait until the lamp on the battery charger goes out.
The rechargeable battery is charged with a charging current of 1.4 A at a voltage of
DC 25.2 V. The maximum charging time of an empty rechargeable battery is 2 to 3
hours.
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If a positive measured value is displayed after switching on, wait 10 min
until the internal temperature stabilisation is complete. Following this, carry
out a zero point setting, see chapter 5.5.1 "Zero point setting".
reach the highest accuracy and measuring stability. If the highest
measurement precision is needed, switch the instrument on 10 min
before the first measurement and then carry out a zero point setting,
see chapter 5.5.1 "Zero point setting".
WIKA operating instructions gas presence detector, model GIR-10
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