Temperature measurement and calibration facility


Contact: Mr. Kedar Satish Bhope

(kedar AT ipr.res.in)

Ph.No:  +91-79-2396 4156

Temperature Measurement Facility up to 3000 C:


Temperature measurement facility include instruments capable to measure temperature from -200 C to 3500 C with high accuracy and fast response time. For higher temperatures measurements non-contact type IR pyrometers are used.


1.    Reference Thermometer

  • Make: Fluke

  • Model: 1524


    Sensor Types:-

  • PRTs: -200 C to 1000 C

  • Thermocouples -200 C to 2315 C

  • Precision thermistors: -50 C to 150 C Accuracy

  • PRTs: up to +/- 0.011 C

  • Thermocouples : +/- 0.24 C for J,K,L,M

  • Precision thermistors: +/- 0.002 C


    Two Channels:-

  • Two channels; memory for logging 15,000 measurements;  real-time clock for time and date stamps

  • Plot and scale trends in real time



2.    Pyrometer (Single Colour)

  • Make: KLIEBER

  • Model: KMGA LO740

  • Temperature ranges: 350 to 3500 C

  • Accuracy: 0.75 % of measured value

  • Response time: 10 micro second

  • Spot sizes: min 0.45 mm

  • Laser target light: built-in

  • Interface: RS232

  • Diagnostics function

  • Temperature withstand capacity:  Fiber optic and optical head withstand up to 250 C



3.    Pyrometer (Two Colour)

  • Make: IMPAC

  • Model: IGAR -12 LO

  • Temperature ranges: 350 to 1300 C

  • Accuracy: 0.5% of reading in C + 1 C

  • Response time: 2 ms

  • Mode: 2-color- / mono- / metal mode (switchable)

  • Spot sizes: min 0.45 mm

  • Laser target light: built-in

  • Interface: RS232

  • Temperature withstand capacity:  Fiber optic and optical head withstand up to 250  C



4.    Pyrometer (Two Colour)

  • Make: IMPAC

  • Model: ISR -12 LO

  • Temperature ranges: 1000 to 3300 C

  • Accuracy: 0.6% of reading in C + 1 C

  • Response time: 2 ms

  • Mode: 2-color- / mono- / metal mode (switchable)

  • Spot sizes: min 0.45 mm

  • Laser target light: built-in

  • Interface: RS232

  • Temperature withstand capacity:  Fiber optic and optical head withstand up to 250 C





















Temperature Calibration Facility  (Temperature range: 100 C to 3000 C)


1.    Portable Calibration Furnace:-

  • Make: ISOTECH

  • Model: PEGASUS 1200

  • Temperature Range: 150 C to 1200 C

  • Absolute stability over 30 minutes:

  •                                   At 150 C              +/- 0.1 C

  •                                   At 1200 C            +/- 0.2 C

  •                                   Blackbody Source: +/- 0.3 C

  • Heating Rate: 25 C/minute

  • Cooling Rate: 1200 C to 200 C in 180 minutes

  • Calibration volume: 33.5mm diameter by 130mm deep

  • Standard Insert: 4 pockets, 8.0mm dia. by 80mm deep

  • Display Resolution: (0.1) to 999.9 and (1) 1000 to 1200

  • Indicator units: C, F, K

  • Computer Interface: RS-232

  • Software: Calibration software    



2.    Reference Thermocouple:-

  • Make: ISOTECH

  • Model: 935-14-91/R

  • Thermocouple Type: Type R Platinum Thermocouple

  • Temperature Range: 0 to 1300 C

  • Diameter: 5 mm

  • Length: 300 mm    



3.    Reference Thermometer:-

  • Make: Fluke

  • Model: 1524


    Sensor types:

  • PRTs: -200 C to 1000 C

  • Thermocouples -200 C to 2315 C

  • Precision thermistors: -50 C to 150 C


    Accuracy:

  • PRTs: up to +/-  0.011 C

  • Thermocouples : +/-  0.24 C for J,K,L,M

  • Precision thermistors: +/-  0.002 C


    Two Channels:

  • Two channels; memory for logging 15,000 measurements; real-time clock for time and date stamps

  • Plot and scale trends in real time

    


4.    Cavity Blackbody :-

  • Make: Mikron

  • Model: M390C-2

  • Cavity Temperature range:  600 to 3000 C

  • Cavity Temperature accuracy: +/-  0.25% of reading +/- 1 C

  • Cavity temperature stability: +/-  1 C

  • Cavity uniformity:  +/- 0.1% +/- 1 C of reading in center diameter of 1/2 of opening.

  • Cavity emissivity: 1.00 (Effective from 0.6 to 1.8 μm) and ~0.96 (Effective from 3 to 15 μm)

  • Cavity Diameter: 1"

  • Warm-up time :  From ambient temperature to 2300 C within 5 minutes;

  • Gas purging: Dry argon 99 % pure

  • Cooling : Water cooled

  • PC Interface: RS-232

  • Software: Calibration and Control software

  • Calibration certificate: Traceable to NIST, USA