Reference Pressure Recorder
Ametek - nVision
nVision is a multi-function pressure calibration device capable of recording measurement results...
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Technical Description
- The device is capable of measuring and recording pressure, temperature and current/voltage using independent modules that can be quickly replaced.
- Can be used in the field and in the lab
- Capable of recording up to 1 million data points
- Pressure measuring module with wide range from vacuum to 1000 bar
- Pressure accuracy to ± 0.0075% full range (below 30 bar)
- Ability to measure differential pressure accurately to ± 0.025% of reading
- Temperature measurement module using RTD sensor, accuracy up to ±(0.015% of reading + 0.02 Ω)
- Module measures current up to 55 mA, voltage up to 28 VDC
- Real-time graph digital display with anti-glare backlight
- IP67 protection grade, dustproof, waterproof, chemical resistant, shockproof (tested at 5 feet height)
- Compact device that can replace paper chart recorders
- ATEX, IECEx, CE and DNV certified
Specifications
| Main machine part (NV) | |
| Display: | 255 x 160 pixel graphic format, anti-glare backlit |
| Reading speed: | 4 times/sec (standard mode); 10 times/sec (recording mode) |
| Power Supply: | 60 days |
| Computer communication: | mini-USB |
| Working temperature: | -20 to 50 °C |
| Recorder: | approx. 1 million points (in Single Recording mode) |
| Memory Type: | non-volatile flash |
| Protection level: | IP67 rating |
| Certification | |
| ATEX II 1G Ex ia IIB T4 Ga hoặc T3 - SIRA 09ATEX2008X | |
| IEC Ex ia IIB T4 Ga hoặc T3 - IECEx SIR09.0053X | |
| CE and DNV | |
| Weight: | 680 g |
| Pressure Module (PM) | |
| Pressure range: | see table |
| Accuracy of conventional pressure gauge (for modules 3, 10 and 30 bar) | |
| Range 0 to 30%: | ± 0.0075% full range |
| Range 30 to 110%: | ± 0.025% of reading |
| Vacuum range: | ± 0.06% full range (-1.0 bar) |
| Accuracy of barometer type (BARO module 3 bar): | |
| Range 0.0138 to 1.0000 barA: | ± 0.0008 barA |
| Range 1.0000 to 4.0000 barA: | ±(0.025% of reading) + 0.0003 barA |
| Pressure unit: | bar, mbar, kPa, MPa, PSI, kg/cm2, inH2O, mmH2O, inHg, mmHg |
| Sensor materials (Wetted materials): | 316SS or 316SS and Viton |
| Pressure connector: | Crystal CPF female (CPF adaptor ra 1/4” NPT hoặc BSP hoặc M20) |
| Current and voltage module (MA20) | |
| Current measurement: | |
| Measuring range: | |
| 0 – 55 mA (MA20+) | |
| 0 – 25 mA (MA20) | |
| Accuracy: | ±(0.015% of reading + 0.002 mA) |
| Max. allowed current: | 93.3 mA |
| Resolution: | 0.001 mA or 0.01% |
| Unit: | mA, % 4-20, % 10-50 |
| Voltage measurement: | |
| Measuring range: | 0 – 28 VDC |
| Accuracy: | ±(0.015% of reading + 0.002 VDC) |
| Maximum allowable voltage: | 30 VDC |
| Resolution: | 0.001 VDC |
| Unit: | VDC |
| Check the switch: | |
| Switch Type: | dry contact |
| Closing resistor: | < 10 Ω |
| Open resistor: | > 10 MΩ |
| Temperature Module (RTD100) | |
| Measuring range: | 0 – 400 Ω (use with PRT/RTD 100 Ω) |
| Accuracy: | ± (0.015% of reading + 0.02 Ω) |
| Resolution: | 0.01 |
| Unit: | °C, K, °F, R, Ω |
| Supported sensor types: | 2, 3, 4 wires |
| Connector: | M8 cable or terminal block |
