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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.
[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 | 100 | 0.2 | 100 μV |
| 10 V to 100 V | 100 | 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 | |
| 300 | 800 | 0.038 | |
| 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) | |
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