Gossen Metrawatt Metrahit Iso Insulation measuring device, CAT III 600 V Metrahit Iso Benutzerhandbuch

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GMC-I Gossen-Metrawatt GmbH

Operating Overview – Connections, Keys, Rotary Switch, Symbols

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Operating Overview – Connections, Keys, Rotary Switch, Symbols

1 Display (LCD) (see page 13 for significance of symbols)
2 MAN / AUTO shift key for manual/automatic measuring range selection 

U

  Increase parameter values

“Operating Mode” menu: Selection of individual menu entries against
the direction of flow

3 ON / OFF | LIGHT key for switching device and display illumination on and off
4 FUNC | ENTER multifunction key 

“Operating Mode” menu: Acknowledge entry (ENTER)
U

ISO

 ON / OFF 

Insulation resistance measurement

Key for switching insulation resistance measurement on and off

5

Z

 Increase measuring range or move decimal point to the right (MAN function)

6 Rotary switch for measuring functions (see page 14 for significance of symbols)

7 DKD calibration mark
8 Connector socket for ground / connected to ground
9 Connector socket for current measurement with automatic blocking

10 Connector socket for voltage, resistance, temperature, diode and 

capacitance measurement with automatic blocking

11 DATA / MIN / MAX 

Key for freezing, comparing, deleting the measured value, and for Min/Max function

V

 Decrease values

“Operating Mode” menu: Select individual menu entries in flow direction

12 MEASURE | SETUP Key for switching between measuring and menu functions
13 ZERO | ESC

Key for zero balancing 
“Operating Mode” menu:  Exit menu level and return to a higher level, exit 

parameters entry function without saving

14

Y

 Decrease measuring range or move decimal point to the left (MAN function)

15 Power pack connector jack
16 Infrared interface

Chap. 3 

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1

3

4

16

5

6

9

→ Chap. 3 ff.

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12

10

2

14

8

Max. 1000 V!

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15

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