Sigma Test and Research Centre : Laboratory Testing,Quality Control,Testing Services
    • Thermal Calibration Services

Thermal Calibration Services

Sigma Test & Research centre is NABL accredited thermal calibration lab having facility of RTD’s, SPRTs, HTPRTs, standard Thermo couple probes and all types of industrial and laboratory grade temperature measuring devices. STRC has an operating range of -80oC to 1200oC and 20% RH to 94% RH with best available CMC as per ISO 17025:2005.

The state of the art calibration facility is equipped with a range of reference SPRTs, PRTs, TCs dedicated digital temperature indicators, Digital Thermohygrometer and range of highly stable heat sources like Dry block calibrators, oil & alcohol baths, Thermocouble calibration furnace and zeropoint well etc.

SCOPE OF ACCREDITATION

 

SL.No
Parameter/Measured Quantity /Device under calibration
Range
*Calibration and Measurement Capability (±)
Remarks / Standard equipment & Method Used
1 Liquid in Glass Thermometer, Dial Thermometer - 40 to 10 °C
10 to 300 °C
0.20 °C
0.25 °C
Using Liquid Temperature Bath &PRT With Read out Indicator
2 RTD’S, Thermocouple, Digital Thermometer, Temperature indicator with Sensor, temperature transmitter, Temp. Data Logger with sensor - 80 to 300 °C 0.1 °C Using Liquid Temperature Bath& PRT With Read out Indicator.
Liquid Temperature Bath& PRT With Read out Indicator.
3 RTD’S, Thermocouple, Digital Thermometer, Temperature indicator with Sensor, Temperature Transmitter, Dial Thermometers, Temp. Data Logger with sensor 300 to 650 °C 0.71 °C Using Metrology Well, PRT With Read out Indicator.
& “S” type Thermocouple Read out Indicator.
4 Thermocouples
(With & without Read Out Display) Temp. Data Logger with sensor
650 to 1100 °C 1.5 °C “S” type Thermocouple With Read out Indicator.
& Calibration Furnace
5 Infrared Thermometer 35 to 500 °C 4.8 °C By using Infrared Calibrator
(Comparison Method)
6 RTD/ Thermocouple,
(with and without Temperature Read Out Display)
Temperatur e Transmitter
Temperature Gauge
- 25 to 140 °C
140 to 300 °C
0.3 °C
1.0 °C
Using Dry Well & Portable Furnace calibrator, PRT With digital Indicator
7 Thermocouples
(With & without Read Out Display)
300 to 1100 °C 2.0 °C Using Portable Furnace calibrator & “S” type Thermocouple With Read Out Indicator
8 Freezer, Incubator, BOD, Auto Clave, Water Bath, Liquid Bath, Environment Chamber
(Single/ multi-channel)
- 20 to 200 °C
200 to 300 °C
300 to 1000 °C
0.7 °C
0.7 °C
2.0 °C
Using 9 PRT With Data Logger with sensor
Using 9 k-type thermocouple with data logger
(Multi –position calibration)
9 Freezer, Incubator, BOD, Auto Clave, Water Bath, Liquid Bath, Environment Chamber (Single/ multi-channel) - 20 to 200 °C
200 to 300 °C
300 to 1000 °C
0.7 °C
0.7 °C
2.0 °C
Using 9 PRT With Data Logger with sensor
Using 9 k-type thermocouple with data logger
(Single –position calibration)
10 Temperature indicator of Dry Block, Oven, Muffle Furnace, Industrial Furnace -25°C to 300 °C
-25°C to 1200 °C
1.6 °C
2.0 °C
Using, PRT/ “S” type Thermocouple, digital Indicator
(Sing Position calibration)
11 HUMIDITY:
Humidity Indicator of Humidity Chamber, Environment Chamber etc
20 to 94 % RH 1.75% By using Dig Hygrometer with Probe