Hot Cathode Gauge GI Series
This series is hot cathode type ionization vacuum gauge, capable of measuring pressure in the 9.9 to 5 x 10-8 Pa (7.4 x 10-2 to 3.75 x10-10 Torr, 9.9 x 10-2 to 5 x 10-10 mbar)(Metal gauge, GI-M2), 6.7 x 10-1 to 10-6 Pa (5 x 10-3 to 9.75 x10-9 Torr, 6.7 x 10-3 to 1.3 x 10-8 mbar)(Glass gauge, GI-D7) range using triode tube or B-A type sensor heads
Features
- Can measure a wide pressure range from 9.9 to 5×10-8Pa (GI-M2)
(7.4 x 10-2 to 3.75 x10-10 Torr, 9.9 x 10-2 to 5 x 10-10 mbar) - 2 types vacuum tube, metal and glass: Sensor head selected depending on the application (bare type also available)
- Small-sized metallic sensor head prevents it from breaking (GI-M2)
- Sensitivity setup can be changed for different gases. Allowing even more accurate pressure measurement.
- Ideal for fixing the measurement range
- 2 set points output
- Switch 1/2 filament, sensitivity setting, range hold function, Degas function
- RS232C communication
applications
- Vacuum heat treatment furnace
- Vacuum brazing furnace
- Vacuum evaporation system(diffusion pump type)
- Process control for furnaces and other industrial equipment
specifications
| Product name | Metal Ionization Vacuum Gauge | Glass Ionization Vacuum Gauge | |
| Model | model GI-M2 | model GI-D7 | |
| Measurable pressure range | 5.00×10-8 to 9.99×100 Pa(3.75×10-10 to 7.49×10-2 Torr,5.00×10-10 to 9.99×10-2 mbar） | WIT：1.30×10-5 to 6.7×10-1 Pa WIB：1.30×10-6 to 2.3×10-2 Pa | |
| Accuracy | ±15% | ||
| Pressure indication | Didital indication 2 digit mantissa, 1 digit exponent | ||
| Compatible sensor head | M-11, M-12, M-13, M-14, M-15 | WIT-G1, WIT-G2, WIT-G3, WIB-G5, WIB-N3 | |
| Sampling time | 100ms | ||
| DEGAS | Direct electrical heating of grid AC power 1.5VA | ||
| Functions | Range hold function, Gas sensitivity setting, Filament selection | ||
| Measurement value output | linear output 0 to 10 VDC, Pseudo-logarithmic output 0-10VDC(1V linear signal in each digit), Log output | ||
| Control input | REMOTE/LOCAL, Filament ON/OFF, Filament 1/2, DEGAS ON/OFF, Range hold | ||
| Control output | Analog output(0-10V), BCD output, Filament ON/OFF, Emission current setting, Degassing ON/OFF | ||
| Set point(contact point capacity) | 2 point(AC125Vmax, 0.5Amax / DC24Vmax, 1.0Amax) | ||
| Serial communication spec | RS232C | ||
| Operating temperature range | 10 to 40℃(50 to 104?） | ||
| Operating humidity range | 15 to 18％(not condensing) | ||
| Power supply voltage | AC100±10V 50/60Hz, 60VA | AC100±10V 50/60Hz, 120VA | |
| Fuse | BS. SEMKO 3.15A (2pcs) | ||
| External dimensions W×D×H | 240mm×380mm×99mm | ||
| Weight | 5.6kg | 5.7kg | |
| Standard accessories | Power cord | 3P Plug with ground | |
| Connector | For external input / output | ||
| Quick manual | 1 pc | ||
| Options | Sensor cable | 2, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60m | 4, 10, 15, 20, 25, 30m |
| Gauge head | Metal Gauge:M-11, M-12, M-13, M-14, M-15 | Triode type glass gauge:WIT-G1, WIT-G2, WIT-G3 B-A type glass gauge:WIB-G5 B-A tupe nude gauge:WIB-N3 | |
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ULVAC Vietnam Representative Office
29/11/100 Le Duc Tho Street, Ward 7, Go Vap District Ho Chi Minh City, Vietnam