4601 I-V Meter Operation Manual
9.5 Temperature Measurement Pt Measurement Terminal Pt1/Pt2 Terminal
9-6
9.5
Temperature Measurement Pt Measurement Terminal Pt1/Pt2 Terminal
Resistance bulb:
Pt100 (compliant with JIS C1604-1997, IEC 60751)
JPt100 (compliant with JIS C1604-1981)
Wire connection:
4-wire connection
Cold junction compensation:
Internal
Allowable lead resistance:
10
or less
Measurement unit:
Selectable from
C,
F and K
The measurement probe accuracy in 4-wire connection is not included. (Add the measurement probe
accuracy to the above.)
Maximum allowable input voltage: 36 V peak (terminal-terminal)
310 V peak (terminal-chassis)
The measurement resolution with the integration time of 500
s or less is as follows:
The following full-scale errors (digits) are added in measurement with the integration time of 10 ms or less.
Measurement range
Measurement
resolution
Overall accuracy
Temperature coefficient
Measured
current
(% of r
C)
(ppm of r
C)/
C
Pt100
-200.00
C to
+850.00
C
0.01
C
0.025+ 0.15
C
25+ 0.02
C
1 mA
JPt100
-200.00
C to +649.00
C
Integration time
5
s
10
s
25
s
50
s
100
s
250
s
500
s
Measurement
resolution (digits)
17
9
4
2
2
2
1
Integration time
5
s
10
s 25
s 50
s 100
s 250
s 500
s 1 ms 2.5 ms 5 ms
10 ms
Pt100, JPt100
1000
500
250
100
100
50
30
30
15
10
10
