AMETEK nVision is a versatile portable reference recorder for high-accuracy pressure measurement, temperature measurement, electrical measurements and professional data logging. Developed by Crystal Engineering, part of AMETEK Sensors, Test & Calibration, the modular nVision Reference Recorder combines laboratory-grade measurement performance with a rugged portable design for use both in the calibration laboratory and in the field.
The nVision uses interchangeable measurement modules, allowing the instrument to be configured for different applications. Depending on the installed modules, pressure, differential pressure, temperature, voltage, current and switch signals can be measured and recorded.
Pressure ranges extend from vacuum up to 15,000 psi / 1,000 bar / 100 MPa, while selected pressure configurations provide accuracy down to ±0.025 % of reading. Gauge and absolute pressure measurement are available, and two pressure modules can be used for differential pressure applications.
The AMETEK nVision is not simply a digital pressure gauge. Its integrated data recorder can store large measurement sequences and display recorded measurements graphically in real time. This makes it particularly useful for pressure calibration, hydrostatic testing, leak testing, pump testing, filter testing and long-term process monitoring.
The instrument can record at rates up to 10 readings per second and AMETEK specifies storage of up to approximately 1 million data points, depending on the recording configuration.
For field applications, the nVision offers a rugged IP67-rated enclosure, battery operation and an operating temperature range from −20 °C to +50 °C. With approved batteries and the appropriate configuration, intrinsically safe versions are available for hazardous-area applications.
At europascal, we provide professional solutions for pressure measurement and pressure calibration. For professional calibration and metrological traceability of the AMETEK nVision, pressure modules and other pressure measuring equipment, use the europascal Calibration Service.
Your Benefits at a Glance
- Portable modular reference recorder
- Pressure measurement from vacuum to 15,000 psi
- Pressure measurement up to 1,000 bar / 100 MPa
- Pressure accuracy down to ±0.025 % of reading
- Gauge pressure measurement
- Absolute pressure measurement with suitable configuration
- Differential pressure measurement
- Two measurement modules can be used simultaneously
- Interchangeable pressure modules
- RTD temperature measurement with suitable module
- Electrical measurement options
- Current and voltage recording
- Switch testing capability
- Real-time graphical measurement display
- Data logging up to approximately 1 million data points
- Recording rate up to 10 readings per second
- Rugged portable enclosure
- IP67 protection
- Operating temperature from −20 °C to +50 °C
- Battery powered
- Long battery life
- Mini-USB interface
- CrystalControl software support
- Excel and PDF reporting
- Suitable for laboratory and field applications
- Intrinsically safe configurations available
Reference Pressure Measurement
The AMETEK nVision is designed for demanding reference pressure measurement applications.
Depending on the installed pressure module, the system covers pressures from vacuum to:
15,000 psi
or:
1,000 bar
or:
100 MPa
AMETEK specifies pressure accuracy down to:
±0.025 % of reading
for suitable pressure ranges and configurations.
This high measurement performance enables the nVision to be used as a portable reference for pressure calibration and testing.
Modular Measurement System
One of the key advantages of the AMETEK nVision is its modular architecture.
Rather than using one permanently installed pressure sensor, the nVision accepts interchangeable measurement modules.
The configuration can therefore be adapted to the individual application.
Pressure, temperature and electrical modules can be combined depending on the required measurement task.
This modular approach can reduce the number of separate instruments required for field and laboratory measurements.
Two Measurement Modules
The nVision chassis provides positions for two measurement modules.
For example, the instrument can be equipped with:
- Two pressure modules
- Pressure and temperature modules
- Pressure and electrical modules
Using two pressure modules allows two pressures to be monitored simultaneously.
This is particularly useful for applications such as:
- Pump testing
- Filter testing
- Differential pressure measurement
- Pipeline testing
- Pressure drop measurements
Differential Pressure Measurement
The AMETEK nVision can be configured for differential pressure measurement using two pressure modules.
AMETEK provides a dedicated DP tared mode for appropriate differential pressure measurements.
This configuration is useful when the difference between two pressures is more important than either individual pressure value.
Typical applications include:
- Filter monitoring
- Pump testing
- Flow-related measurements
- Pipeline measurements
- Pressure drop testing
Absolute Pressure Measurement
In addition to gauge pressure, the nVision can be configured for absolute pressure measurement.
A barometric reference can be used in combination with the appropriate pressure module.
AMETEK specifies the barometric reference with an accuracy of:
±0.00725 psi / ±0.5 mbar
over a range of approximately:
700 to 1100 mbar absolute.
This expands the nVision into applications where pressure must be referenced to absolute vacuum rather than atmospheric pressure.
Temperature Measurement
The modular nVision platform can also measure and record temperature.
An appropriate temperature module allows the instrument to be combined with an RTD/PRT sensor.
This makes simultaneous pressure and temperature recording possible.
Temperature measurement is particularly valuable for:
- Hydrostatic testing
- Leak testing
- Pipeline testing
- Pressure vessel testing
- Long-term pressure monitoring
Temperature changes can have a significant influence on pressure during closed-volume tests. Recording both parameters helps the operator interpret the measurement data correctly.
Electrical Measurements
Suitable modules extend the AMETEK nVision into electrical measurement applications.
AMETEK specifies the platform for recording parameters including:
- Voltage
- Current
- Switch status
- Pressure
- Temperature
The nVision can display these measurements graphically while they are being recorded.
This is particularly useful when testing pressure transmitters and other process instrumentation.
Pressure Transmitter Testing
The combination of pressure and electrical measurement makes the nVision useful for pressure transmitter applications.
The applied reference pressure can be measured with a pressure module while the corresponding electrical transmitter signal is monitored using a suitable electrical module.
This allows the relationship between pressure input and electrical output to be recorded and evaluated.
Integrated Data Recorder
The AMETEK nVision combines reference measurement with extensive data logging.
AMETEK specifies storage of up to approximately:
1 million data points
depending on the recording configuration.
This makes the nVision suitable for both short measurement sequences and extended monitoring applications.
Digital data logging eliminates the need to manually record measurement values at fixed intervals.
Up to 10 Readings per Second
For dynamic applications, the nVision can record at rates up to:
10 readings per second
from two modules.
This allows relatively fast pressure changes to be captured.
Typical applications include:
- Pump testing
- Valve testing
- Pressure changes
- Pressure switch testing
- Process troubleshooting
The standard display update rate is four readings per second, while recording can operate at up to ten readings per second.
Real-Time Graphical Display
The AMETEK nVision features a:
255 × 160 pixel graphical display
with backlighting.
Measurements can be displayed graphically in real time.
This provides a significant advantage over a conventional digital pressure gauge because the operator can immediately identify:
- Pressure trends
- Temperature changes
- Pressure drops
- Instability
- Unexpected events
without first transferring the data to a computer.
Hydrostatic Pressure Testing
The nVision is particularly suitable for hydrostatic pressure testing.
The pressure of a pipeline, pressure vessel or component can be recorded over the complete test period.
Instead of manually documenting individual values, the nVision automatically creates a digital measurement record.
When combined with temperature measurement, pressure and temperature changes can be evaluated together.
Leak Testing
The AMETEK nVision is also suitable for leak testing.
A system can be pressurized and the pressure monitored over a defined period.
Even relatively slow changes can be documented automatically.
The recorded measurement sequence provides significantly more information than individual manually recorded pressure readings.
Pump Testing
With two pressure modules installed, the nVision can simultaneously measure the inlet and outlet pressures of a pump.
This makes it possible to monitor:
- Inlet pressure
- Outlet pressure
- Differential pressure
- Pressure stability
The measurement values can be recorded together for subsequent analysis.
Filter Testing
Differential pressure across a filter provides important information about its condition.
Two pressure modules can measure the pressure upstream and downstream of the filter.
The resulting pressure difference can then be displayed and recorded.
This makes the nVision useful for filter testing and maintenance applications.
Pressure Gauge Calibration
The AMETEK nVision can serve as a reference instrument for pressure gauge calibration.
A suitable pressure source generates the required calibration pressure while the nVision provides the reference measurement.
Depending on the selected module, the nVision’s accuracy down to ±0.025 % of reading provides the measurement performance required for many professional pressure calibration applications.
CrystalControl Software
The AMETEK nVision is supported by CrystalControl software.
CrystalControl can be used to:
- Download recorded data
- Store and archive recordings
- Configure recordings
- Configure the nVision
- Update instrument firmware
- Enable or disable pressure units
- Adjust display settings
- Password protect the instrument
Recorded data can also be exported for reporting and analysis.
Excel and PDF Reporting
CrystalControl supports export to:
- Microsoft Excel
This simplifies the creation of reports and graphical evaluations.
Digital documentation is particularly useful for pressure tests where measurement results must be archived or supplied to customers.
Portable Field Operation
Unlike the laboratory-oriented nVision Lab, the AMETEK nVision is designed as a portable handheld instrument.
The enclosure is rugged and suitable for field applications.
AMETEK specifies an environmental protection rating of:
IP67
according to IEC 60529.
This includes protection for temporary immersion to a depth of 1 m for 30 minutes under the specified test conditions.
Wide Operating Temperature Range
The nVision is fully compensated over an operating temperature range from:
−20 °C to +50 °C
AMETEK states that there is no change in specified accuracy over this operating temperature range when the instrument is correctly zeroed.
This wide compensated range is particularly valuable for field pressure measurement.
Battery Operation
The AMETEK nVision operates using:
4 × AA batteries
AMETEK specifies typical battery life of approximately:
200 hours
under defined operating conditions.
An ultra-low-power operating mode can provide up to approximately:
60 days
under the manufacturer’s specified conditions.
This makes the instrument suitable for extended field measurements and long-term recording.
Intrinsically Safe Configurations
An important advantage for industrial field applications is the availability of intrinsically safe nVision configurations.
With approved battery types and the appropriate product configuration, the instrument carries hazardous-location approvals for applicable environments.
This makes the nVision particularly interesting for applications in:
- Oil and gas
- Natural gas distribution
- Petrochemical plants
- Process industries
The specific hazardous-area approval of the individual instrument configuration must always be checked before use.
Compact and Lightweight
The portable nVision chassis is approximately:
204 mm high
and:
110 mm wide
with a maximum depth of approximately:
60 mm
depending on the installed modules.
AMETEK specifies a typical weight of approximately:
680 g
for a configuration consisting of one pressure module, one RTD100 module, batteries and protective boot.
The compact design allows the reference recorder to be transported easily between the laboratory and field measurement locations.
CPF Pressure Connection
Pressure modules use the Crystal:
CPF pressure connection system
Adapters are available for common pressure connections including:
- NPT
- BSP
- M20
The pressure module’s wetted sensor components are manufactured from 316 stainless steel.
Technical Highlights
The AMETEK nVision combines reference measurement, modularity and portable data recording:
- Portable Reference Recorder
- Modular measurement system
- Pressure measurement from vacuum to 15,000 psi
- Maximum pressure 1,000 bar / 100 MPa
- Accuracy down to ±0.025 % of reading
- Gauge pressure measurement
- Absolute pressure capability
- Differential pressure capability
- Two measurement module positions
- Pressure modules
- Temperature measurement
- Electrical measurement options
- Voltage and current recording
- Switch testing
- Up to approximately 1 million data points
- Recording up to 10 readings per second
- Real-time graphical display
- 255 × 160 pixel screen
- IP67 enclosure
- −20 °C to +50 °C compensated range
- 4 × AA battery operation
- Approximately 200 hours typical battery life
- Ultra-low-power mode
- Mini-USB interface
- CrystalControl software
- Excel and PDF export
- Intrinsically safe configurations available
Technical Specifications
| Feature | AMETEK nVision |
|---|---|
| Manufacturer | AMETEK / Crystal Engineering |
| Model | nVision |
| Device type | Reference Recorder |
| Pressure range | Vacuum to 15,000 psi |
| Maximum pressure | 1,000 bar / 100 MPa |
| Best pressure accuracy | ±0.025 % of reading |
| Pressure modes | Gauge, absolute and differential depending on configuration |
| Measurement modules | Up to 2 |
| Pressure connection | Crystal CPF Female |
| Wetted material | 316 stainless steel |
| Temperature measurement | With suitable RTD module |
| Electrical measurement | With suitable module |
| Data capacity | Up to approx. 1 million points |
| Maximum recording rate | 10 readings/second |
| Standard display rate | 4 readings/second |
| Display | 255 × 160 pixel graphical LCD |
| Interface | Mini-USB B |
| Software | CrystalControl |
| Reporting | Excel and PDF |
| Protection | IP67 |
| Operating temperature | −20 °C to +50 °C |
| Storage temperature | −40 °C to +75 °C |
| Humidity | <95 % RH, non-condensing |
| Power supply | 4 × AA batteries |
| Typical battery life | Approx. 200 hours |
| Ultra-low-power operation | Up to approx. 60 days |
| Typical weight | Approx. 680 g depending on configuration |
| Hazardous areas | Intrinsically safe configurations available |
Why Choose the AMETEK nVision?
The AMETEK nVision combines the measurement performance of a high-quality reference instrument with the flexibility and ruggedness required for field applications.
Pressure ranges extend from vacuum to 15,000 psi / 1,000 bar / 100 MPa, while selected configurations provide pressure accuracy down to ±0.025 % of reading.
Its modular architecture allows pressure, temperature and electrical measurement functions to be adapted to the individual application.
Two pressure modules enable differential pressure and simultaneous dual-pressure measurements, while temperature and electrical modules extend the system into pressure transmitter testing and combined pressure/temperature monitoring.
The integrated recorder stores extensive measurement sequences and records at rates up to 10 readings per second.
Unlike conventional pressure data loggers, measurement trends can be displayed graphically directly on the nVision while the test is running.
The IP67 enclosure, battery operation and fully compensated −20 °C to +50 °C operating range make the instrument particularly suitable for field work.
Typical applications include pressure calibration, hydrostatic testing, leak testing, pressure transmitter testing, pump testing, filter testing and long-term pressure monitoring.
CrystalControl software provides convenient configuration, data transfer, analysis and reporting.
For calibration laboratories and field technicians requiring a portable instrument that combines accurate reference pressure measurement with flexible data recording, the AMETEK nVision provides a powerful all-in-one solution.
At europascal, we can support your pressure measurement applications and help configure the nVision with suitable pressure, temperature and electrical measurement modules.
For professional calibration and metrological traceability of reference pressure recorders, pressure modules and other pressure measuring equipment, use the europascal Calibration Service.
Manufacturer information is available on the official AMETEK nVision Reference Recorder product page.
