Ulvac GP-1G, Instruction Manual, Page: 19 / 36

OPERATING PROCEDURE
- 12 -
3.2. Recorder Output
Check recorder connection
The recorder output is afloat from ground potential. Always connect the
recorder input to the recorder terminal by insulating it from ground . If it
is connected to GND potential by mistake, the meter will not indicate the correct
value. Also the vacuum gauge may be damaged.
Pa mV Torr mV
0.4
2
5
10
20
40
60
80
100
200
400
600
800
1000
2000
0.15
0.35
0.65
1.10
1.70
2.53
3.13
3.63
4.00
5.31
6.70
7.46
7.94
8.29
9.17 0.003
0.01
0.05
0.1
0.2
0.4
0.6
0.8
1
2
3
4
6
8
10
20
0.15
0.27
0.83
1.30
2.02
2.97
3.62
4.12
4.52
5.91
6.70
7.26
7.94
8.36
8.65
9.40
*: Filament Error: More than approximately 15mV