Fluke 754 - Temperature, Resistance Temperature Detectors; Loop Power

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Calibration Manual
8
BP 0 to 1000 1.0 1.5 0.4 0.6
1000 to 2000 1.6 2.4 0.6 0.9
2000 to 2500 2.0 3.0 0.8 1.2
XK -200 to 300 0.2 0.3 0.2 0.5
300 to 800 0.4 0.6 0.3 0.6
Sensor inaccuracies not included.
Accuracy with external cold junction; for internal junction add 0.2 °C
Resolution: 0.1 °C
Temperature Scale: ITS-90 or IPTS-68, selectable (90 is default)
Compensation: ITS-90 per NIST Monograph 175 for B,R,S,E,J,K,N,T; IPTS-68 per IEC 584-1 for B,R,S,E,J,K,T; IPTS-68 per DIN 43710 for L,U.
GOST P 8.585-2001 (Russia) for BP and XK, ASTM E988-96 for C (W5Re/W26Re)
Temperature Coefficient: 0.05 °C/ °C (<18 °C or >28 °C)
0.07 °C/ °C for C type >1800 °C and for BP type >2000 °C
Instrument Operating Temperature: 0 to 50 °C for C and BP type thermocouples / -10 to 50 °C for all other types
Normal Mode Rejection: 40 dB at 50 Hz or 60 Hz nominal
For sourcing thermocouple voltages, accuracy is not specified in RF fields >1 V/m, 80 MHz to 700 MHz.
Temperature, Resistance Temperature Detectors
Temperature, RTDs
Degrees or % of Reading
[1]
Type (α) Range °C
Measure °C
[2]
Source °C
A
llowable
Excitation
Current
[3]
1-Year 2 Year
Source
Current
1-Year 2 Year
100 Ω
Pt(385)
-200 to 100
0.07 °C 0.14 °C
1 mA
0.05 °C 0.10 °C
0.1 to
10 mA
100 to 800
0.02 % + 0.05 °C 0.04 % + 0.10 °C 0.0125 % + 0.04 °C 0.025 % + 0.08 °C
200 Ω
Pt(385)
-200 to 100
0.07 °C 0.14 °C
500 μA
0.10 °C 0.20 °C
0.1 to
1 mA
100 to 630
0.02 % + 0.05 °C 0.04 % + 0.10 °C 0.017 % + 0.09 °C 0.034 % + 0.18 °C
500 Ω
Pt(385)
-200 to 100
0.07 °C 0.14 °C
250 μA
0.08 °C 0.16 °C
0.1 to
1 mA
100 to 630
0.02 % + 0.05 °C 0.04 % + 0.10 °C 0.017 % + 0.06 °C 0.034 % + 0.12 °C
1000 Ω
Pt(385)
-200 to 100
0.07 °C 0.14 °C 150 μA 0.06 °C 0.12 °C
0.1 to
1 mA
100 to 630
0.02 % + 0.05 °C 0.04 % + 0.10 °C 0.017 % + 0.05 °C 0.034 % + 0.10 °C
100 Ω
Pt(3916)
-200 to 100
0.07 °C 0.14 °C
1 mA
0.05 °C 0.10 °C
0.1 to
10 mA
100 to 630
0.02 % + 0.05 °C 0.04 % + 0.10 °C 0.0125 % + 0.04 °C 0.025 % + 0.08 °C
100 Ω
Pt(3926)
-200 to 100
0.08 °C 0.16 °C
1 mA
0.05 °C 0.10 °C
0.1 to
10 mA
100 to 630
0.02 % + 0.06 °C 0.04 % + 0.12 °C 0.0125 % + 0.04 °C 0.025 % + 0.08 °C
10 Ω
Cu(427)
-100 to 260
0.2 °C 0.4 °C
3 mA
0.2 °C 0.4 °C
1 to
10 mA
120 Ω
Ni(672)
-80 to 260
0.1 °C 0.2 °C
1 mA
0.04 °C 0.08 °C
0.1 to
10 mA
[1] Specifications are valid to k=3
Sensor inaccuracies not included
[2] For two and three-wire RTD measurements, add 0.4 °C to the specifications.
Resolution: 0.01 °C except 0.1 °C for 10 Ω Cu(427)
Temperature Coefficient: 0.01 °C/°C for measure, 0.02 °C/°C (<18 °C or >28 °C) for source
[3] Supports pulsed transmitters and PLCs with pulse times as short as 1 ms
RTD Reference:
Pt(385): IEC 60751, 2008
Pt(3916): JIS C 1604, 1981
Pt(3926), Cu(427), Ni(672): Minco Application Aid #18
Loop Power
Open Circuit Loaded Circuit
26 V ±10 %
18 V minimum at 22 mA
Short circuit protected to 25 mA
Output Resistance: 250 Ω nominal