Thermal Calibration Services
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Thermal Calibration Laboratory
Thermal Calibration Laboratory

Sigma Test & Research Centre is a NABL accredited thermal calibration laboratory, having a facility of RTD’s, SPRTs, HTPRTs, standard Thermocouple probes and all types of industrial and laboratory-grade temperature measuring devices.

STRC has an operating range of -80°C to 1200°C and 20% RH to 94% RH with best available CMC as per ISO 17025:2005.

Our state-of-the-art calibration facility is equipped with a range of references SPRTs, PRTs, TCs dedicated digital temperature indicators.

Digital Thermohygrometer and range of highly stable heat sources like Dry block calibrators, oil & alcohol baths, Thermocouple calibration furnace and zero-point well etc.

SCOPE OF ACCREDITATION

 

Sl.No
Parameter/Measured Quantity /Device under calibration
Range
*Calibration and Measurement Capability (±)
Remarks / Standard equipment & Method Used
1The 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 Readout Indicator
2RTDs, Thermocouple, Digital Thermometer, Temperature indicator with Sensor, temperature transmitter, Temp. Data Logger with sensor– 80 to 300 °C0.1 °CUsing Liquid Temperature Bath& PRT with Readout Indicator.
Liquid Temperature Bath& PRT with Readout Indicator.
3RTDs, Thermocouple, Digital Thermometer, Temperature indicator with Sensor, Temperature Transmitter, Dial Thermometers, Temp. Data Logger with sensor300 to 650 °C0.71 °CUsing Metrology Well, PRT with Readout Indicator.
& “S” type Thermocouple Readout Indicator.
4Thermocouples
(With & without Read Out Display) Temp. Data Logger with sensor
650 to 1100 °C1.5 °C“S” type Thermocouple with Readout Indicator.
& Calibration Furnace
5Infrared Thermometer35 to 500 °C4.8 °CBy using Infrared Calibrator
(Comparison Method)
6RTD/ Thermocouple,
(with and without Temperature Read Out Display)
Temperature 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
7Thermocouples
(With & without Read Out Display)
300 to 1100 °C2.0 °CUsing Portable Furnace calibrator & “S” type Thermocouple with reading Out Indicator
8Freezer, 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 thermocouples with data logger
(Multi-position calibration)
9Freezer, 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 thermocouples with data logger
(Single –position calibration)
10Temperature 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
(Single Position calibration)
11HUMIDITY:
Humidity Indicator of Humidity Chamber, Environment Chamber etc
20 to 94 % RH1.75%By using Digital Hygrometer with Probe

 

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