Introduction and Specifications
Specifications
1
1-17
Temperature
Temperature Readout
[1] [2] [3]
Typical Equivalent Temperature Measurement Uncertainty
[12]
Resistance Range
Absolute Resistance
Measurement Uncertainty
365 day Tcal ±1 °C
[4]
±(ppm R m
Ω
)
[11]
Probe Type
Nominal
Temperature
(°C)
Resistance
(
Ω
)
Accuracy
± (°C)
95% Confidence Level
0 - 199.990 000
Ω
7.5 + 0.14
25
Ω
PRT/SPRT
-200
5
0.0085
25
Ω
PRT/SPRT
0
25
0.0035
25
Ω
PRT/SPRT
660
84
0.0025
100
Ω
PRT/SPRT
-200
20
0.0035
100
Ω
PRT/SPRT
0
100
0.0025
100
Ω
PRT/SPRT
232
185
0.0020
200 - 1999.900 00
Ω
7.5 + 0.5
100
Ω
PRT/SPRT
400
250
0.0025
99% Confidence Level
0 - 199.990 000
Ω
9.5 + 0.18
25
Ω
PRT/SPRT
-200
5
0.0010
25
Ω
PRT/SPRT
0
25
0.0040
25
Ω
PRT/SPRT
660
84
0.0025
100
Ω
PRT/SPRT
-200
20
0.0040
100
Ω
PRT/SPRT
0
100
0.0025
100
Ω
PRT/SPRT
232
185
0.0020
200 - 1999.900 00
Ω
9.5 + 0.6
100
Ω
PRT/SPRT
400
250
0.0025
Temperature Readout (Secondary Specifications)
[1] [2] [3]
Resistance Measurement Uncertainty
Temp Coeff. ± ppm Reading/°C
Resistance Range
Transfer Uncertainty
20 Minute ±1 °C
±(ppm R m
Ω
)
[11]
2-Wire
Adder
(
Ω
)
3-Wire
Adder
(
Ω
)
15 °C - 30 °C
5 °C - 15 °C
30 °C - 40 °C
0 - 199.990 000
Ω
0.8 + 0.14
0.1
0.005
0.6
1.0
200 - 1999.900 00
Ω
0.2 + 0.5
0.1
0.005
0.5
0.8
Type
....................................................................... 4-wire current reversal resistance measurement with readout of
equivalent temperature. 2-wire and 3-wire selectable without current
reversal. Refer to Resistance specifications for additional details.
Temperature Range
.............................................. -200 °C to 660 °C, readout also available in °F or K.
Linearization
......................................................... ITS-90 or Callendar van Dusen. Entry and storage of coefficients and
nominal resistance for up to 100 probes.
Current Source
..................................................... 1 mA
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