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NATIONAL METALLURGICAL LABORATORY

Thermocouple calibration  

Sl. No.

Parameter/ measured quantity

Range oC

Best measurement capability *

(±) oC

Remarks

1

Temperature

(-) 20 - 100

0 - 600

0.26

  0.3

Using SPRT Dry block Temp. Calibrator 

HP Nanovolt/Microohm meter 7 1/2 digit

2

-do

400 – 1000

1.70

S Type STD Thermocouple (Pt-10% Rh/Pt) Dry Block Temp. Calibrator, High Temp. Tube Furnace, Nano Volt Micro Ohm Meter, System Scanning Thermometer with Ice Bath

3

-do-

 1000 - 1200

1200 - 1450

 2.72

3.99

 S Type STD Thermocouple  High Temp. Tube Furnace,  System Scanning Thermometer with Ice Bath

 

* Best measurement capability is expressed as measurement uncertainty at confidence level of 95%

 

 

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