Ulvac GP-1G, Instruction Manual

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OVERVIEW
- 1 -
1. OVERVIEW
The Model GP-1G is a constant temperature type Pirani vacuum gauge that utilizes heat conduction
of gas.
If the sensor head burns out, the meter pointer will deflect off-scale to the higher pressure side
(atmospheric pressure side).
1.1. Specifications
Name Pirani vacuum gauge
Model GP-1G
Measurable range 0.4 to 2700 Pa (0.003 to 20 Torr)
Measurement error Within ± 3% of 100% full-scale as converted to linear scale.
(Refer to 5.3)
Power requirements
100
～
240VAC, 10VA
*Ratings of the power supply cable plug are 125V/10A.
Power Cable 3m/
o
utlet side: Plug Type B
Operating temperature range 10 to 40°C
Operating humidity rang
15 to 80%
（
No condensation
）
Recorder output 0 to 10 mVDC
Fuse rating 250 V, 0.5 A
Outside dimensions (mm)
GP-1G: 100W
×
130D
×
100H
GP-1G with case: 150W
×
134D
×
201H
Weight GP-1G: 670 g
GP-1G with case: 1365 g
Measuring unit: 35 g(GP-H)
1.2.
Standard Accessories
Quick manual paper 1 pc.
1.3. Options
1.3.1. Sensor head
Sensor head WP-01, WP-02, WP-03., WP-16 WPB-10, WPB-10-034
Connecting flange
WP-01:
φ
18 port, WP-02:
φ
15 port
WP-03:R3/8, WP-16(NW16)
WPB-10:UFC034
WPB-10-034:UFC034
Filament material Pt Pt
Other materials
BS/Ni-plating
Ni
、
Kovar
、
Glass
、
SnSbCu
SUS304
、
Cu(Gasket)
FeNiCo(Ni-plating)
、
Al
2
O
3
Weight(g)
WP-01
：
about 26
、
WP-02
：
about 45
WP-03
：
about 63
、
WP-16
：
about 77
about 173
Internal volume(cm
3
)
WP-01
：
about 19
、
WP-02
：
about 17
WP-03
：
about 17
、
WP-16
：
about 22
about 18
Pressure max
※
1 < 2
×
10
+5
Pa(abs) < 2
×
10
+5
Pa(abs)
Bakeout
※
2 80
℃
max 250
℃
max
*1:The breakdown pressure of the flange and clamp are to be considered otherwise.
*2:Bakeout temperature is a temperature of the sensor unit. Please remove the electronics(GP-H) or the
conversion cable(GP-BH).