53 & 54 Series II
Replacement Parts and Accessories
21
Electrical (cont.)
Measurement
Accuracy, T1,
T2, or T1-T2
(Model 54)
J-, K-, T-, E-, and N-type: ±[0.05 % of
reading + 0.3
o
C (0.5
o
F)]
[below −100
o
C (−148
o
F): add 0.15 %
of reading for J-, K-, E-, and N-type;
and 0.45 % of reading for T-type]
R- and S-type: ±[0.05 % of reading +
0.4
o
C (0.7
o
F)]
Temperature
Coefficient
0.01 % of reading + 0.03
o
C per
o
C
(0.05
o
F per
o
F) outside the specified
+18
o
C to 28
o
C (+64
o
F to +82
o
F)
range
[below −100
o
C (−148
o
F): add
0.04 % of reading for J-, K-, E-, and N-
type; and 0.08 % of reading for T-type]
Maximum
Differential
Common
Mode Voltage
1 V (Maximum voltage difference
between T1 and T2)
Temperature
Scale
ITS-90
Applicable
Standards
NIST-175
Accuracy is specified for ambient temperatures between
18
o
C (64
o
F) and 28
o
C (82
o
F) for a period of 1 year. The
above specifications do not include thermocouple error.
Replacement Parts and Accessories
Accessory Part Number
Holster and Flex Stand Assembly 1272438
AA NEDA 15A IEC LR6 batteries 376756
80PK-1 K-Type Bead Thermocouple 773135
CD-ROM 1276106
Service Manual 1276123