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nVision Reference Recorder
Brand: Crystal Engineering by AmeteknVision lets you visualize measurements graphically, with or without a pc, in real time as it is being recorded. It is much easier to identify trends or anomalies visually, than in tables of data or spreadsheets.
nVision is tremendously flexible and can be configured to measure and record a variety of combinations of measurements. In addition to pressure, modules for temperature, voltage and current can be used.
Because all of these inputs can be displayed individually as numbers or as graphs, or in combination with other inputs (numerically and graphically) we also provide a way to simplify nVision, so you can limit the available screens to only those that are of use to your specific task.
Accuracy is up to 0.025 percent of reading–so any nVision can typically replace several gauges or calibrators you may have been using.
The nVision is fully temperature compensated–so there is no change in accuracy throughout the entire operating temperature range!
The nVision features two identical bays allowing configuration of the reference recorder to meet your requirements. All modules are field-replaceable allowing you the flexibility to react to changing needs and module calibration requirements.
The nVision’s case is made from a rugged injection molded polymer utilizing a gasket to seal the enclosure against dust and water intrusion.
Even the mini USB B connector is fully sealed (with or without the protective boot cover). Circuitry is mounted in a shock-absorbing elastomeric system and the batteries are easily accessible by removing four captive screws.
Features- Accurate enough to replace a deadweight tester
- Rugged enough to sit in 3 feet of water
- Portable enough to complete calibrations anywhere
- Gauge / Absolute Pressure Datalogger to 15,000 psi / 1000 bar / 100MPa
- Differential Pressure with up to 0.025% of reading accuracy
- Switch, Voltage, Current, and Temperature
- 500,000 data points - 10 readings per second from 2 modules
- Shift everyday wear to replaceable CPF adapter
- Displays live data graphically - no PC required
- Connects to a PC to view live readings or export to tamper proof digital records
- Compensates accuracy for temperature effects from -20 to 50°C
- Includes a calibration certificate with test data at 5 different temperatures from our A2LA accredited laboratory
Specifications
Sensor
- Wetted Materials: (Wrenchtight) 316 Stainless Steel / (Fingertight) 316 Stainless Steel and Viton (Internal O-Ring)
- Diaphragm Seal Fluid: Silicone Oil
- Connection: Crystal CPF (U.S. Patent No. 8,794,677), Female
Barometric Reference
- Accuracy: ± 0.5 mbar, ± 0.00725 psi
- Range: 700.0 to 1100.0 mbarA, 10.153 to 15.954 psia
- Units and Resolution: psi - 0.001 / inHg - 0.001 / mmHg - 0.01 / mbar - 0.1
- Pressure Connection: Cylindrical Sensor Fitting of 5.8 mm O.D.. A Flexible 4.8 mm [3/16”] I.D. tube is recommended to Connect for Calibration
- Mounting: Secured Using a 3/8” 4-40 Plastic Screw
Current (mA) Input
- Accuracy: ± (0.015 % of Reading + 0.002 mA)
- Range: 0 to 55 mA (MA20)
- Maximum Allowable Current: 93.3 mA
- Resolution: 0.001 mA or 0.01 %
- Units: mA, % 4-20, % 10-50
- Input Resistance: < 17.2 Ω
- Voltage Burden @ 20 mA: < 0.35 V
- Voltage Burden @ 50 mA: < 0.86 V
- HART Resistance: 250 Ω
- Connection: 2 mm Jacks
Voltage (VDC) Input
- Accuracy: ± (0.015 % of Reading + 0.002 Vdc)
- Maximum Allowable Voltage: 30 Vdc
- Units: Vdc
- Range: 0 to 28 Vdc
- Resolution: 0.001 Vdc
Switch Test
- Switch Type: Dry Contact
- Closed State Resistance: 10 MΩ
Resistance Input
- Accuracy: ± (0.015 % of Reading) + 0.02 Ohm
- Range: 0 - 400 Ohms range for use with PRTs
- Resolution: 0.01 on all scales
- Units: °C, K, °F, R, Ω
- TCRs: 0.003850 Ω/Ω/°C (IEC 60751), 0.003911 Ω/Ω/°C (US Industrial Std), 0.003926 Ω/Ω/°C
- Wiring: 2-, 3-, 4-Wire Support
- Connection: M8 Connector Cable or Terminal Block
Operating Temperature
- Temperature Range: -20° to 50° C (-4° to 122° F)
Display
- Screen: 255 x 160 pixel Graphical Display
- Display Rate: 4 readings/second (Standard), up to 10 readings/second (Recording)
Power
- Approved Battery Type: Rayovac Max. Plus 815, Duracell MN1500, Energizer E91, Energizer EN 91, Duracell MN1500
- Approvals: ATEX/IECEx, CSA
- 4 x AA: 200 hours, typical
- Ultra Low Power: Up to 60 days, Typical
Data/Communication
- Digital Interface: mini-USB
Datalogging
- Capacity: Approx. 1,000,000 data points
- Storage Type: non-volatile Flash Memory
- Fastest Interval: 10 per second
- Slowest Interval: 1 per hour
Enclosure
- Weight: 680 g (24.0 oz.)
- Rating: IP66 & IP67
- Housing: Impact Resistant Injection Molded
- Keypad and Labels: UV Resistant Polyester
- Mounting: M4 x 0.7 [8 mm (0.31”)] Deep Threaded Insert Mounting Locations
Storage Temperature
- -40° to 75° C (-40° to 167° F)
- Replacing a Chart Recorder
- The nVision is Quickly Replacing Aging Equipment for Recording Pressure and Temperature Measurements
- Creating a Signed PDF in CrystalControl
- How to Create a Tamper Proof, Signed PDF File in CrystalControl
- Self Signed Digital ID Set-Up
- How to Set-up a Digital ID which can be used to Sign a Tamper Proof PDF Document
Documentation
Data Sheets
Brochure
Drawings
Manuals
- CrystalControl Manual pdf 861 KB
- nVision Baro Calibration Manual pdf 308 KB
- nVision Datasheet, psi pdf 438 KB
- nVision MA20 Installation Manual pdf 600 KB
- nVision Manual pdf 1.6 MB
- nVision Programming Manual pdf 178 KB
- nVision Quick Start Guide pdf 416 KB
- nVision RTD Sensor Installation Manual pdf 91 KB