712B RTD Process Calibrator

The Fluke 712 RTD temperature calibrator delivers outstanding performance, durability and reliability. The 712 calibrator is a compact and lightweight.

The 712B RTD Calibrator provides highly accurate, easy-to-use, single-function RTD temperature calibration

The 712B RTD Calibrator is a handheld, battery-operated instrument that measures and sources a variety of RTD types and resistances. It also includes an isolated channel to measure 4-20 mA whiles sourcing a temperature signal. It offers configurable 0% and 100% source settings for quick 25% linearity checks. It also provides linear ramp and 25% step auto ramp functionality based on 0% and 100% settings.

Add to that dual inputs, an easy to view backlit display, plus the ability to memorize settings at power down for easy restart make the 712B the ideal test tool for temperature calibration professionals who want a highly accurate, easy-to-use, single function RTD temperature calibrator.

Other useful features:

  • Dual inputs and backlit display for easy interpretation of measurements
  • Remembers power down settings to easily restart tests when powered up
  • Provides linear ramp and 25% step auto ramp based on 0% and 100% settings
  • Provides one-year and two-year specifications and traceable certification of calibration

 

  • Highly accurate, full-featured , easy-to-use single function RTD temperature calibrator
  • Measures and simulates 13 different RTD types and resistance
  • Measures 4 to 20 mA signals while simultaneously sourcing a temperature signal
  • Comes with a magnetic hanging tool designed in for convenient hands-free operation
  • Features configurable 0% and 100% source settings for quick 25% linearity checks

 

Specifications: 712B RTD Calibrators

General Specifications
Maximum voltage applied between any terminal and earth ground or between any two terminals 30 V
Operating temperature -10°C to 50°C
Storage temperature -30°C to 60°C
Operating altitude 2,000 m
Storage altitude 12,000 m
Relative humidity (% RH operating without condensation) Non condensing
90% (10°C to 30°C)
75% (30°C to 40°C)
45% (40°C to 50°C)
(Without condensation)
Vibration requirements MIL-T-28800E, Class 2
Drop text requirements 1 m
IP Rating IEC 60529: IP52
Electromagnetic environment IEC 61326-1, Portable
Safety IEC 61010-1, Max 30 V to earth, Pollution Degree 2
Power supply 4 AA NEDA 1.5A IEC LR6 batteries
Size (H x W x L) 52.5 x 84 x 188.5 mm
Weight 515 g
DC mA Measurement
Resolution 0-24 mA
Range 0.001 mA
Accuracy (% of reading + counts) 0.010% + 2 μA
Temperature coefficient ± (0.002% of reading + 0.002% of range) /°C ( < 18°C or >28°C)
Ohms Measurement
Ohms range Accuracy (% of reading +counts)
0.00 Ω to 400.00 Ω 0.015% + 0.05 Ω
400.0 Ω to 4000.0 Ω 0.015% + 0.5 Ω
Read accuracy is based on 4-wire input. For 3-wire ohm measurements, assuming all three leads are matched, add 0.05 Ω (0.00 Ω~400.00 Ω), 0.2 Ω (400.0 Ω~4000.0 Ω) to the specifications.
Temperature coefficient ±(0.002% of reading + 0.002% of range) / °C (< 18°C or > 28°C)
Ohms Source
Ohms range 1.0 Ω to 400.0 Ω
1.00 Ω to 400.00 Ω
400.0 Ω to 1500.0 Ω
1500.0 Ω to 4000.0 Ω
Excitation current from measurement device 0.1 mA to 0.5 mA
0.5 mA to 3 mA
0.05 mA to 0.8 mA
0.05 mA to 0.4 mA
Accuracy (% of reading + counts) 0.015% + 0.1 Ω
0.015% + 0.05 Ω
0.015% + 0.5 Ω
0.015% + 0.5 Ω
Resolution 0.00 Ω to 400.00 Ω 0.01 Ω
400.0 Ω to 4000.0 Ω 0.1 Ω
Temperature coefficient ± (0.002% of reading + 0.002% of range) /°C ( <18°C or >28°C)
Supports pulsed transmitters and PLCs with pulse times as short as 5 ms
RTD Input and Output
RTD Type (α) Range (°C) Measure (°C) Source (°C)
1-year 2-year Source current 1-year 2-year
10 Ω Pt (385) -200 to 100°C 1.5°C 3°C 1 mA 1.5°C 3°C
100 to 800°C 1.8°C 3.6°C 1 mA 1.8°C 3.6°C
50 Ω Pt (385) -200 to 100°C 0.4°C 0.7°C 1 mA 0.4°C 0.7°C
100 to 800°C 0.5°C 0.8°C 1 mA 0.5°C 0.8°C
100 Ω Pt (385) -200 to 100°C 0.2°C 0.4°C 1 mA 0.2°C 0.4°C
100 to 800°C 0.015%
+0.18°C		 0.03%
+0.36°C		 1 mA 0.015%
+0.18°C		 0.03%
+0.36°C
200 Ω Pt (385) -200 to 100°C 0.2°C 0.4°C 500 μA 0.2°C 0.4°C
100 to 630°C 0.015%
+0.18°C		 0.03%
+0.36°C		 500 μA 0.015%
+0.18°C		 0.03%
+0.36°C
500 Ω Pt (385) -200 to 100°C 0.3°C 0.6°C 250 μA 0.3°C 0.6°C
100 to 630°C 0.015%
+0.28°C		 0.03%
+0.56°C		 250 μA 0.015%
+0.28°C		 0.03%
+0.56°C
1000 Ω Pt (385) -200 to 100°C 0.2°C 0.4°C 250 μA 0.2°C 0.4°C
100 to 630°C 0.015%
+0.18°C		 0.03%
+0.36°C		 250 μA 0.015%
+0.18°C		 0.03%
+0.36°C
100 Ω Pt (3916) -200 to 100°C 0.2°C 0.4°C 1 mA 0.2°C 0.4°C
100 to 630°C 0.015%
+0.18°C		 0.03%
+0.36°C		 1 mA 0.015%
+0.18°C		 0.03%
+0.36°C
100 Ω Pt (3926) -200 to 100°C 0.2°C 0.4°C 1 mA 0.2°C 0.4°C
100 to 630°C 0.015%
+0.18°C		 0.03%
+0.36°C		 1 mA 0.015%
+0.18°C		 0.03%
+0.36°C
10 Ω Cu (427) -100 to 260°C 1.5°C 3°C 1 mA 1.5°C 3°C
120 Ω Ni (672) -80 to 260°C 0.15°C 0.3°C 1 mA 0.15°C 0.3°C
50 Ω Cu (427) -180 to 200°C 0.4°C 0.7°C 1 mA 0.4°C 0.7°C
100 Ω Cu (427) -180 to 200°C 0.2°C 0.4°C 1 mA 0.2°C 0.4°C
YSI400 15 to 50°C 0.2°C 0.4°C 250 μA 0.2°C 0.4°C
1. Sensor inaccuracies not included.
2. Resolution: 0.1°C.
3. Read accuracy is based on 4-wire input. For 3-wire RTD measurements, assuming all three RTD leads are matched, add 1.0°C (Pt10 and Cu10), 0.6°C (Pt50 and Cu50), 0.4°C (Other RTD types) to the specifications.
4. Source Accuracy in source mode is based on 0.5 mA~3 mA (1.00 Ω~400.00 Ω), 0.05 mA~0.8 mA (400.0 Ω~1500.0 Ω), 0.05 mA~0.4 mA (1500.0 Ω ~4000.0 Ω), excitation current (0.25 mA for Pt1000 range).
5. Temperature Coefficient: ±0.05°C /°C for measure, ±0.05°C /°C (< 18°C or > 28°C) for source.
6. Supports pulsed transmitters and PLCs with pulse times as short as 5 ms.

Models: 712B RTD Calibrators

712B
712B RTD Calibrator
 

Includes:

  • Magnetic hanging tool
  • Batteries
  • Manual
  • Traceable calibration certificate
  • Test Leads
 

 

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