Fluke 712B

Fluke RTD Calibrator
Description

Features:

  • The 712B can measure and simulate (13) different RTD types and resistance
  • Measure 4 to 20 mA signals while simultaneously sourcing a temperature signal
  • Hanging tool designed in and included with every unit
  • Configurable 0% and 100% source settings for quick 25% linearity checks
  • Linear ramp and 25% step auto ramp based on 0% and 100% settings
  • Dual inputs and backlit display for easy interpretation of measurements
  • Power down settings remembered at power up for easy restart of tests
  • 1-year and 2-year specifications and traceable certificate of calibration
 
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 meters
Storage altitude 12,000 meters
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 meter
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 mm x 84 mm 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 ( 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
Note: 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 ( 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 ( 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
10Ω 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
50Ω 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
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
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
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
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
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
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 (28 °C) for source.
6. Supports pulsed transmitters and PLCs with pulse times as short as 5 ms.