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Forthetemperaturecalibrationprofessionalthatwantsahighlyaccurate,easy-to-use,singlefunctionRTDtemperaturecalibratortheFluke712Bistheidealtesttool

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For the temperature calibration professional that wants a highly accurate, easy-to-use, single function RTD temperature calibrator the Fluke 712B is the ideal test tool.

Features at a Glance

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 certification 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 ( <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
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 ( <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)
RTD Type (α)	Range (°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
10Ω Pt(385)	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
50Ω Pt(385)	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 Ω Pt(385)	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
200 Ω Pt(385)	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
500 Ω Pt(385)	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
1000 Ω Pt(385)	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 Ω Pt(3916)	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 Ω Pt(3926)	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
Sensor inaccuracies not included. Resolution: 0.1 °C. 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. 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). Temperature Coefficient: ±0.05 °C /°C for measure, ± 0.05 °C /°C (<18 °C or >28 °C) for source. Supports pulsed transmitters and PLCs with pulse times as short as 5 ms.