Description
The NV-4AA-3KPSI-3KPSI-BARO configuration carries two 3,000 psi (200 bar) pressure modules with internal barometric reference. The barometric reference lets the gauge pressure module also report absolute pressure. The Crystal Engineering nVision is a portable reference recorder built around two interchangeable measurement modules. Pressure, RTD temperature and current/voltage modules can be combined in one housing, and an internal barometric reference can be added. The unit displays and graphs live readings, logs data without a PC, and exports records through Crystal software. Calibration technicians, instrument engineers and test crews use it for field and lab calibration, leak tests and long-term pressure recording.
Key features
- Two module slots for pressure, RTD temperature or mA/voltage measurement
- Logs up to 500,000 data points at up to 10 readings per second
- Live graphical display, no PC needed for viewing trends
- Temperature-compensated accuracy from -20 to 50 °C
- Sealed housing rated to withstand submersion in about 3 feet of water
- CPF fittings with replaceable adapters to take everyday wear
Typical applications
- Calibration of pressure gauges, transmitters and switches
- Hydrostatic and leak testing of pipelines and vessels
- Long-term pressure and temperature monitoring and recording
- Reference measurement in calibration labs and on site
Specifications
| Brand | Crystal Engineering |
|---|---|
| Model | nVision |
| Order code | NV-4AA-3KPSI-3KPSI-BARO |
| Product type | Pressure and temperature reference recorder |
| Module 1 | 3,000 psi (200 bar) pressure module |
| Module 2 | 3,000 psi (200 bar) pressure module |
| Barometric reference | Included (BARO) |
| Module slots | 2 interchangeable modules |
| Data storage | 500,000 data points |
| Recording rate | Up to 10 readings per second |
| Compensated temperature range | -20 to 50 °C |
| Pressure connection | CPF fittings |
| PC connection | Live readings and data export via Crystal software |





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