GMC-I Gossen-Metrawatt GmbH
3
GB
Measuring Instrument Key
(1) LCD
(2)
ON|OFF
: Key to switch the instrument on and off
→
(3)
DATA|MIN/MAX
: Key for storage of measured values and
MIN/MAX values
(3a)
500V|1000V
: Key for test voltage selection
→
(4)
AUTO|MAN
→
short: Key for manual measuring range selection
→
long: Activation of automatic measuring range
selection
(4a) + (5a) Continuous operation for insulation resistance
measurement
(5)
FUNC
: Multifunction key
→
ff.
→
short: Activation of measuring sub functions,
e.g. Hz,
,
,
°
C
(red symbols)
→
long: Activation of measuring main function
(white symbols)
(5a) Key for performing insulation resistance measurement
(as long as key is held)
→
(5b) Key for activating and deactivating
of insulation resistance measurement
(6)
Rotary switch
for measuring functions
(7) Connector jacks for multimeter measurement
→
(7a) Connector jacks for insulation resistance measurement
→
(8)
DKD calibration mark
→
LCD Key
(9) Symbol for indication of continuous operation
(10) Digital display with decimal point and polarity indication
(11) Display for manual measuring range selection
and storage of measurement and MIN/MAX values
(12) DC/AC display
(13) Unit of measurement display
(14) Overrange display
(15) Analog display pointer
(16) Analog display scale
(17 Display for violation of negative analog display range
(18) Unit of measure display,
°
C, for temperature
measurement
(Prerequisite: temperature sensor as accessory)
(19) Insufficient battery voltage display
(20) Acoustic warning active display
