Lab Reference Recorder

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產(chǎn)品名稱：Lab Reference Recorder產(chǎn)品型號：nVision Lab Reference 生產(chǎn)廠商：AMETEK CRYSTAL(美國)產(chǎn)品簡介：Lab Reference Recorder The nVision Lab Reference is a pressure reference recorder accurate enough to function as a lab......

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Lab Reference Recorder

The nVision Lab Reference is a pressure reference recorder accurate enough to function as a laboratory deadweight tester replacement and a high-accuracy, high-frequency chart recorder. Download data as you test, view your data on the built-in LCD, and store up to 1,000,000 data points.

•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

Keep the nVision Lab Reference on your work bench or mount it in an equipment rack.
•Uses our new CPF hose and fitting system for fast leak free connections
•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 10°C to 50°C
•Includes a calibration certificate with test data at 5 different temperatures from an A2LA accredited laboratory

Applications
•Calibrate pressure transducers, switches, transmitters, and gauges
•Calibrate natural gas correctors and flow computers
•Pressure relief valve testing
•Field datalogging of pressure and temperature
•Record water hammer events
•Leak testing with simultaneous graphing of pressure and temperature
•Temperature monitoring and recording
•Pass/fail events for pressure bearing vessels such as gas cylinder, flow meter, etc.

Included with every new nVision Reference Pressure Recorder is an A2LA accredited calibration certificate with test data recorded at 5 different temperatures - proving that it meets published specifications over the entire operating range. You won't get this kind of detailed report anywhere else!

Specifications
Specifications include all effects of linearity, hysteresis, repeatability, temperature, and stability for one year.

Backlit Display
Description: 255 x 160 pixel graphical display with integrated backlight.
Display rate: selectable up to 10 readings per second.

Power
100?240VAC, 50?60 Hz, with international plug adapters

Temperature
Operating & Compensated: 10°C to 50°C (50°F to 122°F)1.
Storage: 0°C to 75°C (32°F to 167°F).
1No change in accuracy over operating range for all modules. Pressure sensor must be zeroed to achieve rated specification.

Humidity
< 95%="" rh,="">

Enclosure
Dimensions:
115mm(4.5")H x 260mm x (10.2")W x 145mm (5.7")
Weight: 2.2 kg (4.75 lbs) including two pressure modules

Pressure Connections
Crystal CPF System: Medium Pressure Female (MPF) (1/4" medium pressure tube system with 7/16-20 threads).
Fitting interfaces with the Crystal Pressure Fittings (CPF) System; finger tight to 10,000 PSI. System can interface wrench-tight with non-CPF 1/4" medium pressure fitting, adapter, and piping system: HIP LM4 & LF4 Series, Autoclave Engineers SF250CX Male and female series.

Media Compatibility
Liquids and gases compatible with 316 stainless steel.

Pressure Measurement

Pressure Ranges

* Add one digit of resolution for differential pressure measurement.

Pressure Accuracy

30% to 99% of Full Scale
±(0.025% of Reading), ±(0.05% of Reading), or ±(0.1% of Reading).

0 to 30% of Full Scale
±(0.0075% of Full Scale), ±(0.015% of Full Scale), or ±(0.03% of Full Scale).

Vacuum, for 300 PSI (30 bar, 3 MPa, and 30 kg/cm²) and lower pressure modules
±(0.06% of Full Scale) (typical), where F.S. = -14.5 PSIG (-1.0 bar, -99.9 kPa, -1.02 kg/cm²), not recommended for continuous use at high vacuum.

Media Compatibility
Liquids and gases compatible with 316 stainless steel

Connection
Crystal CPF System: Medium Pressure Female (MPF) (1/4" medium pressure tube system with 7/16-20 threads)

Gauge Pressure Accuracy

Differential Pressure Accuracy (Tared Mode with Equalizing Valve)

Absolute Pressure Accuracy with BARO Module

Temperature Measurement: RTD Module (P/N: RTD100)
Supports Pt100 RTD or PRT (100 Ohms at 0°C Resistance Temperature Detector) sensors conforming to DIN/IEC 60751 (or IEC751) with US, Euro and Lab calibration curves. Each RTD 100 comes with P/N 3953 RTD Connection Kit.

Resistance Input
Range：0 - 400 Ohm range for use with 100 Ohm PRTs
Resolution：0.01Ω
Accuracy：±(0.015% of Reading + 0.02 Ω)
Display：°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

Current, Voltage & Switch Test: mA/V Module (P/N: MA20)
Intended for use with a 4-20mA loop measurement. This module is also capable of measuring 24VDC supply voltages. Additionally the module has an auxiliary fixed output for use in switch open/closure testing. Each MA20 module comes with P/N 3952 test lead kit.

mA (Current) Input
Accuracy：±(0.015% of Reading + 0.002 mA)
Range：0 - 55 mA
Max Allowable Current：93.3 mA
Resolution：0.001 mA or 0.00%
Note：Inputs protected by resettable fuse
Units：mA, % 4-20, % 10-50
Input Resistance：< 17.2="">
Voltage Burden：< 0.35="">
HART Resistance：250 Ω

Voltage Input
Accuracy：±(0.015% of Reading + 0.002 VDC)
Range：0 - 28 VDC
Max Allowable Voltage：30 VDC
Resolution：0.001 VDC
Switch Detection
State：Dry Contact
WARNING: Never install two (2) MA20 modules simutaneously. This configuration may permanently damage your nVision.

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