
Table 1-2. RTD Total Instrument Accuracy Specifications (cont)
2180A
R
T
D
T
Y
P
E
R
E
S
0
L
U
L
T
1
0
N
TEMPERATURE RANGE
APPLICABLE PORTION OF
MAXIMUM E
+/-DEGREES C
ERROR*
-^/-DEGREES F
oc
OF
AT
CAL
90
DAYS
200
to
300
1
YR.
150
to
350
AT
CAL
90
DAYS
680
to
860
1
YR.
590
to
950
100
.01° -200 to 0
-327.9 to 32
.009 .055 .078
.015 .100 .142
ohm
0 to 204
32 to 399.2
.009 .098
.139
.015
.177
.252
390
.1°
-200 to 0 -327.9 to 32 .08 .10
.11
.13
.16
.19
Pt 0 to 750
32 to 1382.2
.08
.23
.32
.13
.41
.57
100 .01° -200 to 0 -327.9 to 32 .040
.086
.109
.071
.156
.198
ohm
0 to 204
32 to 399.2
.040 .13
.171 .071
.234
.309
3916
.1°
-200 to 0 -327.9 to 32
.11
.12 .14 .17
.21 .24
R 0 to 750
32 to 1382.2
.10
.26
.34 .17
.46 .62
100
.01°
-200 to 0
-327.9 to 32 .008 .055 .078
.014
.099
.141
ohm
0 to 204
32 to 399.2
.009 .098 .139
.014 .177
.252
392
.10
-200 to 0
-327.9 to 32 .08 .01
.11
.12
.16
.19
R
0 to 750
32 to 1382.2
.08
.23 .32 .12 .41
.57
100
.010
-60 to 0
-76 to 32
.129
.157 .172
.230
.282
.308
ohm
Oto 93
32 to 199.4
.129
.176
.199 .231
.317
.359
617
.10
-60 to 0 -76 to 32
.19
.20
.21
.33 .35
.36
Ni
0 to 177 32 to 350.6 .19
.22
.25
.33 .39
.44
10
.010
N/A
ohm
CU
.10
-75 to 0
-103 to 32
.16
.18
.19
.27
.31
.34
-75 to 150
-103 to 302
.16
.20 .23
.27
.35
.41
ohms
Oto 196.99
.005
.042
.059
ALL UNITS IN OHMS
0 to 999.99 .05
.22
.31
Maximum error depends on the temperature measured and the resolution used. Of the four
temperature ranges presentd for each RTD, the first two represent .01° resolution. The
above maximum error numbers represent instrument errors only, and do not include the
RTD probe.
1-3
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