Vakuová měrka 971 B
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- Ing. Martin Vondráček
- +420 778 759 907
- martin.vondracek@labtech.eu
Technická specifikace
Popis a vlastnosti vakuové měrky 971B
Vakuová měrka 971B UniMag měří v rozsahu 1x10-8 Torr to 5x10-3 Torr.Technická specifikace
| Sensor Type | Cold Cathode |
| Measuring Range Absolute | 1 x 10-8 Torr to 5 x 10-3 Torr |
| Measuring Range Differential | not available |
| Set Point Range Absolute | 1 x 10-8 Torr to 5 x 10-3 Torr |
| Set Point Range Differential | not available |
| Calibration Gas | Nitrogen |
| Operating Temperature Range | 0° to 40°C (32° to 104°F) |
| Maximum Bakeout Temperature | 85°C (185°F), non-operating |
| Digital Communications | RS485 or RS232 |
| Controls | Pressure units, baud rate, address, factory default, user tag, RS485 test, gas correction; setpoint functions: value, hysteresis, direction, HV enable, protect, control setpoint, gas type |
| Status | Pressure reading and units, setpoint, transducer temperature, user tag, model, device type, serial number, firmware and hardware versions |
| Analog Output (Absolute Pressure) | 0.5 VDC/decade |
| Relays | 3 relays, SPST |
| Relay Contact Rating | 1 A @ 30VAC/DC, resistive |
| Power Requirements | 9-30 VDC, 2 W |
| Accuracy (Typical) Combined Absolute | 5 x 10-8 Torr to 10-3 ± 30% of reading |
| Repeatability (Typical) Combined Absolute | 5 x 10-8 Torr to 10-3 ± 30% of reading |
| Accuracy (Typical) 1 Differential | not available |
| Repeatability (Typical) 1 Differential | not available |
| Zero Stability (Typical) 1 Differential | not available |
| Overpressure Limit | 1500 Torr |
| Installation Orientation | Any |
| Internal Volume | 21 cm3 |
| Materials Exposed to Vacuum | 304 and 403 stainless steel, Viton®, epoxy resin, ceramic |
| Electronic Casing | 304 stainless steel |
| Weight (with NW25 KF Flange) | 12.7 oz (360 g) |
| CE Certification | EMC Directive 89/336/EEC, EN-61326-1 Low Voltage Directive 73/23/EEC, EN-61010-1 |
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