Fluke 7526A Precision Process Calibrator

Versatility, precision and value, combined into a single benchtop process calibration tool

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Versatility, precision and value, combined into a single benchtop process calibration tool

The Fluke Calibration 7526A Precision Process Calibrator offers the best balance of economy and accuracy for benchtop calibration of temperature and pressure process instrumentation. Easily calibrate RTD and thermocouple readouts, pressure gauges, temperature transmitters, digital process simulators, data loggers, multimeters and more.

  • Sources and measures dc voltage, current, resistance, RTDs and thermocouples
  • Precision pressure measurement using Fluke 700 or 525A-P series pressure modules
  • Includes 24 V dc transmitter loop power supply
  • Measures 4-20 mA loop current
  • Includes automated switch-test function
  • Accepts ITS-90 coefficients for accurate SPRT measurements
  • Compatible with MET/CAL® Calibration Software

 

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 700 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.

 

 

DC voltage, output
Range [1] Absolute Uncertainty, ±
(ppm of output + μV), 1-yr		 Resolution
0 to 100 mV 30 3 1 μV
0 to 1 V 30 10 10 μV
0 to 10 V 30 100 100 μV
0 to 100 V 30 1 mV 1 mV
TC Output and Input
–10 mV to 75 mV 30 2 10 Ω

[1] All outputs are positive only unless otherwise noted

DC voltage, isolated input
Range Absolute Uncertainty, ±
(ppm of reading + mV),
1-yr		 Resolution
0 to 10 V 50 0.2 100 μV
10 V to 100 V 50 2.0 1 mV

DC Current, output
Range[1] Absolute Uncertainty,
± (ppm of reading + μA),
1-yr		 Resolution
0 to 100 mA 50 1 1 μA

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

DC current, isolated input
Range Absolute Uncertainty, ±
(ppm of reading + μA),
1-yr		 Resolution
0 mA to 50 mA 100 1 0.1 μA
0 mA to 24 mA [1][2]
(Loop Power)		 100 1 0.1 μA

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

Resistance, output
Range Absolute
Uncertainty,
tcal ± 5 °C, ±
Ohms, 1-yr		 Resolution Nominal
current
5 Ω to 400 Ω 0.015 0.001 Ω 1 to 3 mA
5 Ω to 4 kΩ 0.3 0.01 Ω 100 μA to 1 mA

Resistance, input
Range Absolute Uncertainty, ±
(ppm of reading + Ω), 1-yr		 Resolution
0 Ω to 400 Ω 20 0.004 0.001 Ω
0 Ω to 4 kΩ 20 0.04 0.01 Ω

Sample thermocouple accuracy, input/output
(does not include all available TC types)[1]
TC type Temperature Range (°C) Absolute Uncertainty,
tcal ±5 °C, ± (°C), 1-yr [2]
Min Max
J -210 1200 0.09
K -250 1372 0.1
S -50 1767 0.29
T -250 400 0.11

[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 Type Temperature Range (°C) Absolute Uncertainty,
tcal ±5 °C, ± (°C), 1-yr
Min Max
Pt 385, 100 Ω -200 630 0.05
YSI 400 15 50 0.007

[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 Type Temperature Range (°C) Absolute Uncertainty,
tcal ±5 °C, ± (°C), 1-yr
Min Max
Pt 385, 100 Ω –80 100 0.020
100 300 0.024
YSI 400 15 50 0.007

[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 interface RS-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 coefficient Temperature coefficient for temperatures
outside tcal 5 °C is 10% of the 90-day
specification (or 1 year if applicable) per °C
Relative humidity Operating: <80% to 30 °C
<70% to 40 °C
<40% to 50 °C
Altitude Operating: 3,000 m (9,800 ft) max
Non-operating: 12,200 m (40,000 ft) max
Safety EN/IEC 61010-1:2010 3rd Edition,
UL 61010-1:2012, CAN/CSA 22.2 No. 61010-1-12
Analog low isolation 20 V
Line power 120 V~: 100 V to 120 V
240 V~: 220 V to 240 V
Line frequency 47 Hz to 63 Hz
Line voltage variation ± 10 % about setting
Power consumption 15 VA maximum
Dimensions Height: 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)
   

 

 

Model Name Description
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.

 

Accessories common to all models:

   

 

Accessory Description
Y7526A Rack Mount Kit
7526A-CASE Carrying Case
5520A-525A/LEADS Test Lead Set
525A-P02 Differential Pressure Module, dry, 0 to 1 psi (6900 Pa)
525A-P03 Gauge Pressure Module, wet, 0 to 5 psi (34 kPa)
525A-P04 Gauge Pressure Module, wet, 0 to 15 psi (103 kPa)
525A-P05 Gauge Pressure Module, wet, 0 to 30 psi (207 kPa)
525A-P06 Gauge Pressure Module, wet, 0 to 100 psi (690 kPa)
525A-P07 Gauge Pressure Module, wet, 0 to 500 psi (3400 kPa)
525A-P08 Gauge Pressure Module, wet, 0 to 1000 psi (6900 kPa)
525A-P29 Gauge Pressure Module, wet, 0 to 3000 psi (20.7 M Pa)
525A-PA4 Absolute Pressure Module, wet, 0 to 15 psi (103 kPa)
525A-PA5 Absolute Pressure Module, wet, 0 to 30 psi (207 kPa)
525A-PA6 Absolute Pressure Module, wet, 0 to 100 psi (690 kPa)
525A-PA7 Absolute Pressure Module, wet, 0 to 500 psi (3400 kPa)
525A-PA8 Absolute Pressure Module, wet, 0 to 1000 psi (6900 kPa)
525A-PV4 Vacuum Pressure Module, –15 to 0 psi (–34 kPa)
700P00 Differential Pressure Module 1 in. H2O (0.25 kPa)
700P01 Differential Pressure Module 1 in. H2O (0.25 kPa)
700P02 Differential Pressure Module 1 psi (6900 Pa)
700P22 Differential Pressure Module Wet 1 psi (6900 Pa)
700P03 Differential Pressure Module 5 psi (34 kPa)
700P23 Differential Pressure Module Wet 5 psi (34 kPa)
700P04 Differential Pressure Module 15 psi (103 kPa)
700P24 Differential Pressure Module Wet 15 psi (103 kPa)
700P05 Gauge Pressure Module 30 psi (207 kPa)
700P06 Gauge Pressure Module 100 psi (690 kPa)
700P27 Gauge Pressure Module 300 psi (2070 kPa)
700P07 Gauge Pressure Module 500 psi (3400 kPa)
700P08 Gauge Pressure Module 1000 psi (6900 kPa)
700P09 Gauge Pressure Module 1500 psi (10 Mpa)
700PA3 Absolute Pressure Module 5 psi (34 kPa)
700PA4 Absolute Pressure Module 15 psi (103 kPa)
700PA5 Absolute Pressure Module 30 psi (207 kPa)
700PA6 Absolute Pressure Module 100 psi (690 kPa)
700PV3 Vacuum Pressure Module –5 psi (–34 kPa)
700PV4 Vacuum Pressure Module –15 psi (–103 kPa)
700PD2 Dual Pressure Module ±1 psi (±6900 Pa)
700PD3 Dual Pressure Module ±5 psi (±34 kPa)
700PD4 Dual Pressure Module ±15 psi (±103 kPa)
700PD5 Dual Pressure Module –15 to 30 psi (–100 to 207 kPa)
700PD6 Dual Pressure Module –15 to 100 psi (–100 to 690 kPa)
700PD7 Dual Pressure Module –15 to 200 psi (–100 to 1380 kPa)
700P29 Gauge Pressure Module 3000 psi (20.7 M Pa)
700P30 Gauge Pressure Module 5000 psi (34 M Pa)
700P31 Gauge Pressure Module 10000 psi (69 M Pa)
700PTP-1 Fluke 700PTP-1 Pneumatic Test Pump
700LTP-1 Low-pressure Test Pump
700PRV-1 Fluke 700PRV-1 Pressure Relief Valve Kit
700HTH-1 Fluke 700HTH-1 Hydraulic Test Hose
700HTP-2 Hydraulic Test Pump
71X Hose Kit Accessory
700ILF In-line Filter
FLUKE-700PCK Pressure Module Calibration Kit (Required for using 700 Series Pressure Modules with the 5520A Multi-Product Calibrator)
700TC1 Thermocouple Plug Kit 700C1
700TC2 Thermocouple Plug Kit 700TC2

 

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