Laboratory Sri Gokul Cal Lab., No.
59, 59th B Cross, 4th N Block, Rajajinagar,
Bangalore, Karnataka
Accreditation Standard ISO/IEC 17025: 2005
Certificate Number CC-2445 Page 1 of 4
Validity 13.04.2018 to 12.04.2020 Last Amended on 04.07.2018
Sl. Quantity Measured / Range/Frequency *Calibration Measurement Remarks
Instrument Capability (±)
MECHANICAL CALIBRATION
I. PRESSURE INDICATING DEVICES
1. Pressure - Hydraulic 0 to 200 bar 0.5 % of rdg. Using Digital Pressure
Pressure Gauges & 200 bar to 700 bar 0.75 % of rdg. Gauge By Comparison
#
Transmitters Method as per
DKD-R-6-1
2. Vacuum Digital and (-) 0.8 bar to 0 bar 1.0 % of rdg. Using Digital Pressure
Dial Vacuum Gauge by Comparison
Indicator And Method as per
#
Transducers DKD-R-6-1
3. Pressure –Pneumatic 0.009 bar to 0.09 bar 0.76 % of rdg. Using Digital Manometer
Magnahelic Gauges/ by Comparison Method
Low Pressure as per DKD-R-6-1
#
Gauge
4. Pressure Gauges, 0 to 10 bar 0.72 % of rdg./ Using Digital Pressure
Pressure 0.73 % of rdg. Gauge by Comparison
Transmitters, Method as per
Pressure 10 bar to 40 bar 0.36 % of rdg. DKD-R-6-1
#
Transducers
II. ACCELERATION AND SPEED
#
1. Tachometer 100 rpm to 5000 rpm 0.06 % Using Digital
(Contact Type) Tachometer with
Variable DC Drive
2. Tachometer & 100 rpm to 60000 rpm 0.04 % Using Digital Tachometer
#
RPM Indicator by Comparison Method
(Non-Contact Type)
Pankaj Varshney Avijit Das
Convenor Program Director
Laboratory Sri Gokul Cal Lab., No. 59, 59th B Cross, 4th N Block, Rajajinagar,
Bangalore, Karnataka
Accreditation Standard ISO/IEC 17025: 2005
Certificate Number CC-2445 Page 2 of 4
Validity 13.04.2018 to 12.04.2020 Last Amended on 04.07.2018
Sl. Quantity Measured / Range/Frequency *Calibration Measurement Remarks
Instrument Capability (±)
3. RPM Meter of 500 rpm to 5000 rpm 0.05 % Using Digital
Centrifuges, Tachometer with
RPM Indicator ♣ Variable DC Drive
$
4. Vibration Meter 80 Hz to 160 Hz Using STD Digital
Velocity 5 mm/s to 25 mm/s 2.52 % Vibration Meter
Mm/s (rms)
2 2
Acceleration 5 m/s to 25 m/s 2.52 %
2
m/s
III. ACOUSTICS
1. Sound Level Meter, 1 kHz Using Std Sound Level
dB Meters, Noise 94 dB & 114 dB 0.77 dB Calibrator
$
Level Meter
Pankaj Varshney Avijit Das
Convenor Program Director
Laboratory Sri Gokul Cal Lab., No. 59, 59th B Cross, 4th N Block, Rajajinagar,
Bangalore, Karnataka
Accreditation Standard ISO/IEC 17025: 2005
Certificate Number CC-2445 Page 3 of 4
Validity 13.04.2018 to 12.04.2020 Last Amended on 04.07.2018
Sl. Quantity Measured / Range/Frequency *Calibration Measurement Remarks
Instrument Capability (±)
THERMAL CALIBRATION
I. TEMPERATURE
1. RTDs, (-) 30 °C to 100 °C 0.50 °C Using RTD, R Type
Thermocouple, 100 °C to 400 °C 0.50 °C Thermocouple, Dry
Digital Thermometer, 400 °C to 600 °C 0.50 °C Block Calibrators &
Temperature Readouts Sika MC 50 &
Indicating Devices, Paperless Recorder by
$
Temperature Switch Comparison Method
2. RTDs, (-)30 °C to 100 °C 0.5 °C Using RTD, R Type
Thermocouple, 100 °C to 400 °C 0.5 °C Thermocouple, Dry
Digital Thermometer, 400 °C to 600 °C 0.5 °C Block Calibrators &
Temperature Readouts Sika MC 50 &
♣
Indicating Devices Paperless Recorder by
Comparison Method
3. Indicator Of Oil & (-)30 °C to 100 °C 0.40 °C Using Multi RTD
Water Bath Low & 100 °C to 400 °C 0.49 °C (PT100),Thermocouples
High Temperature 400 °C to 600 °C 0.55 °C with Paperless Recorder
Bath, Dry Block 600 °C to 1000 °C 1.50 °C by Comparison Method
$
Calibrators
4. Indicator of Oil & (-) 70 °C to 200 °C 6.0 °C Using Multi RTD
Water Bath Low & 100 °C to 400 °C 5.0 °C (PT100),Thermocouples,
High, Temperature 400 °C to 1000 °C 12.6 °C with Paperless Recorder
Bath, Deep Freezers, by Comparison Method
Incubator, Ovens,
Thermal Shock
♣
Chambers, Furnace
Pankaj Varshney Avijit Das
Convenor Program Director
Laboratory Sri Gokul Cal Lab., No. 59, 59th B Cross, 4th N Block, Rajajinagar,
Bangalore, Karnataka
Accreditation Standard ISO/IEC 17025: 2005
Certificate Number CC-2445 Page 4 of 4
Validity 13.04.2018 to 12.04.2020 Last Amended on 04.07.2018
Sl. Quantity Measured / Range/Frequency *Calibration Measurement Remarks
Instrument Capability (±)
II. SPECIFIC HEAT AND HUMIDITY
1. Humidity Meters With 5 % RH at 25 °C 0.35 % RH Using Standard
Sensor, Dial / Digital 10 % RH to 90 % RH 1.65 % RH Temperature Humidity
Humidity Meters at 25 °C Meter by Comparison
#
Hygrometer 95 % RH at 25 °C 1.2 % RH Method
* Measurement Capability is expressed as an uncertainty () at a confidence probability of 95%
$
Only in Permanent Laboratory
♣
Only for Site Calibration
#
The laboratory is also capable for site calibration however, the uncertainty at site depends on the
prevailing actual environmental conditions and master equipment used.
Pankaj Varshney Avijit Das
Convenor Program Director
