Measurement Standards

Reference

Documents

Best Measurement  Capability

Range

Triple point cells,

Tinsley Automatic AMBASSADOR bridge

NIST

Technical Note 1265

1.1•10^-3 °C

0.01°C

Triple point of water

SPRTs with

Tinsley Automatic AMBASSADOR bridge

NIST

Technical Note 1265

1.8•10^-3 °C

- 30°C

0°C

50°C

100°C

150-250°C

SPRT

SPRTs with

Tinsley Automatic AMBASSADOR bridge

NIST

Technical Note 1265

3.0•10^-3 °C

   11•10^-3 °C

0-50°C

(0.01°C/div)

- 30-100°C

(0.1°C/div)

100-200°C

(0.2°C/div)

 200-250°C

(0.5°C/div)

Precision

mercury-in-glass thermometers