G 1111 / G 1114 Measurement Basics | 5
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5 Measurement Basics
5.1 Vacuum measurements
The device is especially suitable to measure rough vacuum via the pressure port very
fast. But if the complete device is evacuated the following has to be considered:
Damage possible by fast complete evacuation!
Due to the water tight construction a complete evacuation of the device may degrade
water protection. The keypad/display screen may break loose. If the device should still
be used for this application, the following options are available:
– Remove the o-ring of the battery compartment! The Instrument then is no more
water protected! Changing battery.
– Specialized variants G 1111-VAC!
5.2 Special functions
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With the special functions that can be selected via the Configuration menu, the device
can be optimised for special measuring tasks. After it is switched on, the device starts
up in standard measuring mode, the relevant special function is started by pressing
and holding the Function key for 4 s.
5.2.1 NVLL Tare function
The special function FVNC NVLL has been selected in the configuration menu.
The display can be zeroed by pressing the Function key for 4 s. If the tare function is
activated, NVLL blinks in the lower display. The tare function can be reset by pressing
the Function key again for 4 s.