7526A Precision Process Calibrator

Model#:7526A
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  • 7526A Precision Process Calibrator
  • 7526A Precision Process Calibrator
  • 7526A Precision Process Calibrator
  • 7526A Precision Process Calibrator
  • 7526A Precision Process Calibrator
  • 7526A Precision Process Calibrator

Key features

  • Versatile, precise benchtop tool to source and measure DC voltage, current, resistance, RTDs and thermocouples.
  • Comprehensive calibration solution for temperature and pressure process instrumentation like RTD and thermocouple readouts, pressure gauges, temperature transmitters, digital process simulators, data loggers, and multimeters.
  • Enhanced calibration range: 24 V DC transmitter loop power supply and measures 4-20 mA loop current.

Product overview: 7526A Precision Process Calibrator

A “best fit” for your process calibration requirements


“Doing more with less” is a requirement every process manufacturer faces today. To maintain product quality, reduce waste, improve efficiency and conform to regulatory standards, instruments that measure process variables such as temperature and pressure must be calibrated at regular intervals. Selecting the right calibrator for the job, however, can be tricky—especially when attempting to balance precision and versatility with cost. Less expensive than high-end multi-product calibrators, yet more precise and versatile than handheld field calibrators, the 7526A is a “best fit” for instrument shops that value precision, versatility and economy.

Intuitive user interface


The user interface includes cursor controls, function keys and a ten-key keypad, making it easy to navigate through intuitive menus; store and recall up to nine setpoints for each input/output parameter; enter RTD or SPRT coefficients; and easily change display units with a key press. With two LCD displays, you can easily view both source and measurement results simultaneously.

Increase efficiency through automation


For increased efficiency and calibration throughput, or to operate an automated test system (ATE), combine the 7526A with MET/CAL® Plus Calibration Management Software. MET/CAL Plus is a powerful application for creating, editing and testing calibration procedures and collecting and reporting results on a wide variety of instruments. It includes MET/CAL® software– the industry leading software for automated calibration, and MET/TEAM™ Express–a dedicated system to manage your test and measurement assets. Or choose MET/TEAM™ standard edition for fully-featured enterprise calibration asset management, with optional modules for on-site calibration, commerce management, and customer web portal. The 7526A standard computer interface includes RS-232 and GPIB (IEEE-488). A USB-to-serial adapter cable is also included with the calibrator as standard.

Don’t forget the sensor


Calibrating the electronics portion of a temperature transmitter is only a part of a complete calibration. You also need to calibrate the temperature sensor itself, whether an RTD or thermocouple. Ignoring the sensor can be a mistake, because temperature sensors are responsible for more than 75% of the output errors in temperature transmitters. You can calibrate the temperature sensor individually, or calibrate both the sensor and the transmitter as a system using a dry-block calibrator such as the Fluke Calibration 914X Series Field Metrology Wells. The Field Metrology Wells were designed specifically with process calibration in mind—optimizing speed to temperature, portability, stability and accuracy. The 7526A and a 914X dry-block calibrator make a perfect combination for calibrating just about any temperature transmitter.

Source as well as measure pressure


The P5500 series of comparison test pumps can be used with the 7526A and Fluke 700P and 750P series pressure modules to generate or control test pressures. The unique test port configuration allows for easy, tool-free connections of a wide variety of connection sizes and types, including NPT, BSP, and metric threads. The P5510 includes a built-in hand pump to generate vacuum or positive pressure up to 300 psi (2 MPa). The P5513 allows for precise control of pneumatic pressures up to 3000 psi (20 MPa). An external pressure supply is required. The P5514 allows for generation of hydraulic pressures up to 10 000 psi (70 MPa). The P5515 includes a built-in priming pump and screw pump that allows for pressure generation up to 20 000 psi (140 MPa). Both the P5514 and P5515 can be used with oil or water. Special versions are available with ethylene propylene seals for use with more aggressive fluids.

Specifications: 7526A Precision Process Calibrator

DC voltage, output
Range [1]Absolute Uncertainty, ±
(ppm of output + μV), 1-yr
Resolution
0 to 100 mV3031 μV
0 to 1 V301010 μV
0 to 10 V30100100 μV
0 to 100 V301 mV1 mV
TC Output and Input
–10 mV to 75 mV302 μV1 μV

[1] All outputs are positive only unless otherwise noted

DC voltage, isolated input
RangeAbsolute Uncertainty, ±
(ppm of reading + mV),
1-yr
Resolution
0 to 10 V1000.2100 μV
10 V to 100 V1002.01 mV
DC Current, output
Range[1]Absolute Uncertainty,
± (ppm of reading + μA),
1-yr
Resolution
0 to 100 mA5011 μA

[1] For line voltages less than 95 V, ±100 ppm of reading

DC current, isolated input
RangeAbsolute Uncertainty, ±
(ppm of reading + μA),
1-yr
Resolution
0 mA to 50 mA10010.1 μA
0 mA to 24 mA [1][2]
(Loop Power)
10010.1 μA

[1] Loop Power: 24 V ±10%
[2] HART Resistor: 250 Ω ± 3%

Resistance, output
RangeAbsolute
Uncertainty,
tcal ± 5 °C, ±
Ohms, 1-yr
ResolutionNominal
current
5 Ω to 400 Ω0.0150.001 Ω1 to 3 mA
5 Ω to 4 kΩ0.30.01 Ω100 μA to 1 mA
Resistance, input
RangeAbsolute Uncertainty, ±
(ppm of reading + Ω), 1-yr
Resolution
0 Ω to 400 Ω200.0040.001 Ω
0 Ω to 4 kΩ200.040.01 Ω
Sample thermocouple accuracy, input/output
(does not include all available TC types)[1]
TC typeTemperature Range (°C)Absolute Uncertainty,
tcal ±5 °C, ± (°C), 1-yr [2]
MinMax
J-21012000.09
K-25013720.1
S-5017670.29
T-2504000.11

[1] See extended specifications for all TC types (B,C,E,J,K,L,N,R,S,T,U,XK,BP)
[2] Best accuracy within specified TC temperature range

Sample RTD and thermistor, output
(does not include all available RTD types)[1]
RTD TypeTemperature Range (°C)Absolute Uncertainty,
tcal ±5 °C, ± (°C), 1-yr
MinMax
Pt 385, 100 Ω-2008000.05
YSI 40015500.007

[1] See extended specifications for all RTD types: Pt-100 (385, 3926, 3916), Pt- 200, Pt-500, Pt-1000, Ni-120, Cu-427, SPRT

Sample RTD and thermistor, intput
(does not include all available RTD types)[1]
RTD TypeTemperature Range (°C)Absolute Uncertainty,
tcal ±5 °C, ± (°C), 1-yr
MinMax
Pt 385, 100 Ω–801000.020
1003000.024
3008000.038
YSI 40015500.007

[1] See extended specifications for all RTD types: Pt-100 (385, 3926, 3916), Pt- 200, Pt-500, Pt-1000, Ni-120, Cu-427, SPRT

General specifications
Standard interfaceRS-232, IEEE-488 (GPIB)
Temperature
performance
Operating:0 °C to 50 °C
Calibration (tcal):18 °C to 28 °C
Storage:–20 °C to 70 °C
Electromagnetic
compatibility
CE: Conforms to EN61326;
operation in controlled EM environments
Temperature coefficientTemperature coefficient for temperatures
outside tcal 5 °C is 10% of the 90-day
specification (or 1 year if applicable) per °C
Relative humidityOperating:<80% to 30 °C
<70% to 40 °C
<40% to 50 °C
AltitudeOperating:3,000 m (9,800 ft) max
Non-operating:12,200 m (40,000 ft) max
SafetyEN/IEC 61010-1:2010 3rd Edition,
UL 61010-1:2012, CAN/CSA 22.2 No. 61010-1-12
Analog low isolation20 V
Line power120 V~:100 V to 120 V
240 V~:220 V to 240 V
Line frequency47 Hz to 63 Hz
Line voltage variation± 10 % about setting
Power consumption15 VA maximum
DimensionsHeight:14.6 cm (5.75 in)
Width:44.5 cm (17.5 in)
Depth:29.8 cm (11.75 in)
Weight
(without options)
4.24 kg (9.35 lb)

Models: 7526A Precision Process Calibrator

7526A
Precision Process Calibrator

Includes traceable calibration report, user manual CD, getting started guide, power cord, thermocouple shorting jumper and USB-to-serial adapter cable.
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