Variety

Specification
φ×Lmm

Grade

Characteristic and usage

Performance

Remark

Standard

S type
standard Thermo
couple

0.5×1000

Ⅰ

good thermoelectric curve properties, high precision measurement, good stability, for measure and value transfer in the temperature range of 419.53 ~ 1084.62 ℃

W(R100/R0)≥1.3920
at 1084.62℃：
10.575±.0.030mv
stability μv≤3

① more than t of use prohibit using over the maximum temperature poin.
②for test of cheap thermocouple, the work end, Al2O3 tube should be added to S type standard thermocouple, the corundum protection tube should be added to B type thermocouple.
③annuel test , otherwise the original warranty invalid.

JJG75－95

Ⅱ

W(R100/R0)≥1.3920
at 1084.62℃：
10.575±.0.030mv
stabilityμv≤5

B type standard thermo
couple

0.5×1000

Ⅱ

Above 1200 ℃ the thermal characteristic curve, high precision measurement, good stability, the free end of temperature (0 ~ 100 ℃) not to amend, easy to use in the temperature range of 1100 ~ 1600℃ for measure and value transfer

1300℃thermoelectric potential value
7.945±0.040mv
short term stablity≤8μv

JJG167－95