Hot cathode ionization gauge that uses glass tube sensor heads (triode type)
Hot Cathode Gauge Model:GI-D7(WIT)
ULVAC
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This model is hot cathode type ionization vacuum gauge, capable of measuring pressure in the 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) range using triode tube or B-A type sensor heads.
Features
- 2 types vacuum tube, metal and glass: Sensor head selected depending on the application (bare type also available)
- 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 | Glass Ionization Vacuum Gauge | |
| Model | model GI-D7 | |
| Measurable pressure range | WIT：1.30×10-5 to 6.7×10-1 Pa WIB：1.30×10-6 to 2.3×10-2 Pa |
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| Accuracy | ±15% | |
| Pressure indication | Didital indication 2 digit mantissa, 1 digit exponent | |
| Compatible sensor head | 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, 120VA | |
| Fuse | BS. SEMKO 3.15A (2pcs) | |
| External dimensions W×D×H | 240mm×380mm×99mm | |
| Weight | 5.7kg | |
| Standard accessories | Power cord | 3P Plug with ground |
| Connector | For external input / output | |
| Quick manual | 1 pc | |
| Options | Sensor cable | 4, 10, 15, 20, 25, 30m |
| Gauge head | 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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