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2099

This document provides calibration capabilities for various electrical measurements ranging from DC voltage to AC power. It describes the calibration of 18 instruments including DC voltage from 1mV to 150kV, AC current from 50Hz to 100kHz, resistance from 100μΩ to 1GΩ, and AC power from 0.25W to 575kW. Measurement uncertainties are provided ranging from 0.001% to 2.7% depending on the instrument and range calibrated. The laboratory is accredited to ISO/IEC 17025:2005 standards.

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178 views12 pages

2099

This document provides calibration capabilities for various electrical measurements ranging from DC voltage to AC power. It describes the calibration of 18 instruments including DC voltage from 1mV to 150kV, AC current from 50Hz to 100kHz, resistance from 100μΩ to 1GΩ, and AC power from 0.25W to 575kW. Measurement uncertainties are provided ranging from 0.001% to 2.7% depending on the instrument and range calibrated. The laboratory is accredited to ISO/IEC 17025:2005 standards.

Uploaded by

rohanmanimani
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOC, PDF, TXT or read online on Scribd
You are on page 1/ 12

Laboratory

Electrical Research and Development Association, ERDA Road, GIDC,


Makarpura, Vadodara, Gujarat

Accreditation Standard

ISO/IEC 17025: 2005

Discipline
Certificate Number
Last Amended on

Electro-Technical Calibration
C-0062
14.07.2014

Quantity Measured/
Instrument

Range / Frequency

Issue Date
Valid Until
Page

*Calibration Measurement
Capability ()

28.06.2014
27.06.2016
1 of 12
Remarks

SOURCE
1.

DC VOLTAGE

1 mV to 10 mV
10 mV to 1000 V

0.49% to 0.01%
0.01% to 0.009%

Using Universal calibration


system Wavetek 9100 / FLUKE
5500A by Direct Method

2.

DC CURRENT

1 A to 320 mA
320 mA to 20 A
20 A to 1000 A

1.38% to 0.03%
0.03% to 0.2%
0.2% to 0.4%

Using Universal calibration


system Wavetek 9100 / FLUKE
5500A with Current Coils by
Direct Method

3.

RESISTANCE

10
100
1 m
10 m
100 m

0.07%
0.02%
0.02%
0.02%
0.02%

Using Standard Resistors


Ohm Lab/Tettex / YEW

1
1 to 40
40 to 40 k
40 k to 40 M

0.05%
0.05% to 0.1%
0.1% to 0.02%
0.03% to 0.18%

Using Universal Calibration


System Wavetek 9100 /fluke 5500

40 M to 100 M
100 M to 10 G
10 G to 1

0.18% to 0.3%
0.3% to 1.51%
1.51% to 2.7%

20 Hz to 100 kHz
10 mV to 300 mV

0.49% to 0.06%

4.

AC VOLTAGE

Avijit Das
Program Manager

Using Megohm Decade Box


Tinsley By Direct Method

Using Universal Calibration


System Wavetek 9100 / FLUKE
5500
Bibin Philip
Convenor

Laboratory

Electrical Research and Development Association, ERDA Road, GIDC,


Makarpura, Vadodara, Gujarat

Accreditation Standard

ISO/IEC 17025: 2005

Discipline
Certificate Number
Last Amended on

Electro-Technical Calibration
C-0062
14.07.2014

Quantity Measured/
Instrument

5.

AC CURRENT

6.

FREQUENCY/
TIME

7.

OSCILLOSCOPE
Amplitude
Bandwidth

Avijit Das
Program Manager

Range / Frequency

Issue Date
Valid Until
Page

*Calibration Measurement
Capability ()

28.06.2014
27.06.2016
2 of 12
Remarks

20 Hz to 10 kHz
300 mV to 100 V

0.1% to 0.06%

by Direct Method

10 kHz to 100 kHz


300 mV to 100 V

0.06% to 0.55%

50 Hz to 10 kHz
100 V to1000 V

0.06% to 0.2%

50 Hz
10 V to 115 V
115V to 480V
480V to 575V

0.04%
0.008%
0.04%

Using Electrical Power Standard


Master / FLUKE 6100A/ 6105A
by Direct Method

50 Hz to 5 kHz
100 A to 300 mA
300 mA to 3 A

0.1% to 0.15%
0.04% to 0.16%

Using Universal Calibration


System Wavetek 9100 / FLUKE
5500 by Direct Method

50 Hz to 1 kHz
3 A to 10 A

0.04% to 0.29%

50 Hz
0.1A to 60A
60A to 1000 A

0.008% to 0.015%
0.015% to 0.24%

10 Hz to 10 MHZ

0.01% to 0.02%

10 mV to 120 V AC
10 mV to 100 VDC

0.5%
0.3%

40 Hz to 250 MHz

2.7%

Using Electrical Power Standard


Master / FLUKE with Current
Coil 6100A/ 6105A by Direct
Method
Using Universal Calibration
System Wavetek 9100 / FLUKE
5500 by Direct Method

Using Universal Calibration


System Wavetek 9100 by Direct
Method

Bibin Philip
Convenor

Laboratory

Electrical Research and Development Association, ERDA Road, GIDC,


Makarpura, Vadodara, Gujarat

Accreditation Standard

ISO/IEC 17025: 2005

Discipline
Certificate Number
Last Amended on

Electro-Technical Calibration
C-0062
14.07.2014

Quantity Measured/
Instrument

Time Base

Range / Frequency

Issue Date
Valid Until
Page

*Calibration Measurement
Capability ()

28.06.2014
27.06.2016
3 of 12
Remarks

4 nS to 5 S Time base
4% to 95% Duty Cycle

0.45%
0.15%

10 s to 90000 s

0.1% to 0.05%

Using Digital Time Interval


Meter, ADI Make by Direct
Method

8.

TIME

9.

CAPACITANCE

0.33 nF to 300 nF
300 nF to 30 F
30 F to 40 mF

1.86 % to 0.64%
0.64% to 0.93%
0.93% to 1.27%

Using Universal Calibration


System Wavetek 9100 / FLUKE
5500 by Direct Method

10.

DC POWER

100 mV to 1000V
100mA to 11 A

0.04% to 0.1%

Using FLUKE 5500 by Direct


Method

11.

AC ACTIVE POWER
1 , 50 Hz

0.25W to 14.375 W
14.375W to 24 kW
24kW to 575 kW
(50 V to 575 V,
0.5 A to 1000 A,
0.01lag to 0.01 lead)

0.05% to 0.24%
0.02%
0.05% to 0.42%

Using Electrical Power Standard


Master 6105A/6100A / FLUKE &
Auxiliaries with Current Coil,
Universal Calibration System,
9100 A, by Direct Method

12.

APPARENT POWER
1 , 50 Hz

0.25VA to 14.375VA
14.375VA 24 kVA
24kVA to 575 kVA
(50 V to 575 V,
0.5 A to 1000 A,
0.01lag to 0.01 lead)

0.11% to 0.05%

Using Electrical Power Standard


Master 6105A/6100A / FLUKE &
Auxiliaries with Current Coil,
Universal Calibration System,
9100 A, by Direct Method

13.

REACTIVE POWER
1 , 50 Hz

0.3VAr to 11.5 kVAr


21.6VAr to 11.5kVAr
10 V to 575 V,
0.05 A to 20 A,
0.01 lag to 0.01 lead

0.06 % to 0.12%

Using Electrical Power Standard


Master 6105A/6100A / FLUKE &
Auxiliaries with Current Coil,
Universal Calibration System,
9100 A, by Direct Method

14.

POWER FACTOR
1 , 50 Hz

0.01 lag to 0.01 lead


10 V to 575 V,

0.05% to 1.11%

Using Electrical Power Standard


Master/ FLUKE, Universal

Avijit Das
Program Manager

Bibin Philip
Convenor

Laboratory

Electrical Research and Development Association, ERDA Road, GIDC,


Makarpura, Vadodara, Gujarat

Accreditation Standard

ISO/IEC 17025: 2005

Discipline
Certificate Number
Last Amended on

Electro-Technical Calibration
C-0062
14.07.2014

Quantity Measured/
Instrument

Range / Frequency

Issue Date
Valid Until
Page

*Calibration Measurement
Capability ()

0.05 A to 1000 A
15.

16.

28.06.2014
27.06.2016
4 of 12
Remarks

Calibration System,9100A by
Direct Method

TEMPERATURE SIMULATION
(Indicator, Controller and Recorder )
Thermocouple Type

-100C to 1300C

0.3C

RTD Type

-200C to 800C

0.24C

HARMONICS OF
FUNDAMENTAL
FREQUENCY

1 to 25th order
(0 to 100 V)
1 to 25th order
(0 to 1A)

Using Universal Calibration


System Wavetek 9100 / FLUKE
5500

0.3%

Using Electrical Power Standard


Master / FLUKE by Direct
Method

MEASURE
1.

DC VOLTAGE$

1 mV to 1000 V

0.083% to 0.001%

Using 8 Digital Multimeter


Fluke 8508 by Direct /
Comparison Method

2.

DC CURRENT$

1 A to 20 mA
20 mA to 2 A
2 A to 20 A

0.065% to 0.002%
0.002% to 0.02%
0.02% to 0.044%

Using 8 Digital Multimeter


Fluke 8508 by Direct /
Comparison Method

3.

AC VOLTAGE$

10 Hz to 10 kHz
10 mV to 200 mV
200 mV to 200 V

0.07% to 0.013%
0.026% to 0.01%

Using 8 Digital Multimeter


Fluke 8508 by Direct /
Comparison Method

Avijit Das
Program Manager

40 Hz to 1 kHz
200 V to 1000 V

0.01% to 0.02%

10 kHz to 30 kHz
10 mV to 200 mV

0.013% to 0.1%

10 kHz to 100 kHz


200 mV to 200 V

0.04% to 0.082%

30 kHz to 100 kHz


10 mV to 200 mV

0.1% to 0.32%

Bibin Philip
Convenor

Laboratory

Electrical Research and Development Association, ERDA Road, GIDC,


Makarpura, Vadodara, Gujarat

Accreditation Standard

ISO/IEC 17025: 2005

Discipline
Certificate Number
Last Amended on

Electro-Technical Calibration
C-0062
14.07.2014

4.

Issue Date
Valid Until
Page

Quantity Measured/
Instrument

Range / Frequency

*Calibration Measurement
Capability ()

AC CURRENT$

50 Hz to 5 kHz
10 A to 200 mA
200 mA to 2 A

0.27% to 0.04%
0.04% to 0.11%

50 Hz to 1 kHz
2 A to 20 A

0.09% to 0.32%

28.06.2014
27.06.2016
5 of 12
Remarks

Using 8 Digital Multimeter


Fluke 8508 by Direct /
Comparison Method

5.

FREQUENCY$

10 Hz to 1 MHz

0.001%

Using 8 Digital Multimeter


Fluke 8508 by Direct /
Comparison Method

6.

RESISTANCE$

10 to 1
1 to 20 M
20 M to 200 M
200 M to 1 G

0.7% to 0.002%
0.002% to 0.004%
0.004% to 0.03%
0.03% to 0.60%

Using 8 Digital Multimeter


Fluke 8508, Fluke 9100A/
Multiproduct Calibrator 5500 &
Standard Resistor, Tettex 3200 A
by direct / Comparison Method

7.

DC POWER

0.075Wto20kW
(1.5 V to 1000 V,
0.05 A to 20 A)

0.2%

Using Digital Power Meter


Yokogawa, WT 3000 by Direct /
Comparison Method

8.

AC ACTIVE POWER

50 Hz
0.25Wto11.5kW
(10 V to 575 V,
0.05 A to 20 A,
Pf: 0.1 lag to UPF)

9.

10.

AC APPARENT
POWER

50 Hz
0.5VA to 11.5kVA
(10 V to 575 V,
0.05 A to 20 A
Pf : 0.8 lag to UPF)

REACTIVE POWER$

50 Hz
0.3VAr to 11.5kVAr
(10 V to 575 V,

Avijit Das
Program Manager

0.18%

Using Digital Power Meter


Yokogawa, WT 3000 by Direct
/ Comparison Method

0.14%

Using Digital Power Meter


Yokogawa, WT 3000 by Direct /
Comparison Method

0.7% to 0.24%

Using Digital Power Meter


Yokogawa, WT 3000 by Direct /
Comparison Method
Bibin Philip
Convenor

Laboratory

Electrical Research and Development Association, ERDA Road, GIDC,


Makarpura, Vadodara, Gujarat

Accreditation Standard

ISO/IEC 17025: 2005

Discipline
Certificate Number
Last Amended on

Electro-Technical Calibration
C-0062
14.07.2014

Quantity Measured/
Instrument

Range / Frequency

Issue Date
Valid Until
Page

*Calibration Measurement
Capability ()

28.06.2014
27.06.2016
6 of 12
Remarks

0.05 A to 20 A,
Pf: 0.05 lag to 0.05 lead )
11.

POWER FACTOR

12 .

0.05 lag to 0.1 lead


(10 V to 575 V,
0.05 A to 20 A)

0.4% to 0.2%

Using Digital Power Meter


Yokogawa, WT 3000 by Direct /
Comparison Method

TIME

1 ms to 10 ms
10 ms to 0.33 s

1%
1% to 0.1%

Using Digital Oscilloscope,


6 Digital Multimeter by Direct /
Comparison Method

13.

CAPACITANCE$

1 kHz
100 pF to 33 F

0.29% to 0.34%

Using Precision LCR Meter by


Direct Method

14.

TEMPERATURE SIMULATION$
(Indicator, Controller and Recorder)
Thermocouple Type
-100C to 1300C

0.05 C

Using 8 Digital Multimeter


Fluke 8508,Diigtal Precision
Thermometer, Cropico 3000

RTD Type

-200C to 800C

0.01C

0.3%

15.

HARMONICS OF
FUNDAMENTAL
FREQUENCY$

1 to 25th order
(0 to 100 V)
1 to 25th order
(0 to 1A)

16.

AC HIGH VOLTAGE$

50 Hz
1 kV to 150 kV

1.2%

1 kV to 100 kV

1.1%

Using 200 kV High Voltage


Divider by Comparison
Method

For LI
80 Vp to 1600 Vp
0.84 s to 60.0 s

Peak Magnitude
LI :0.72%
Front Time: 1.89%
Tail Time: 2.23 %

Using Reference Impulse


Calibrator & Digital
Oscilloscope by Standard
Comparison Method

17.

DC HIGH VOLTAGE$

18.

IMPULSE VOLTAGE/
MEASURING SYSTEM /
VOLTAGE DIVIDER$

Avijit Das
Program Manager

Using Digital Power Meter


Yokogawa, WT 3000 by
Direct Method
Using 200 kV AC/DC High
Voltage Divider by
Comparison Method

Bibin Philip
Convenor

Laboratory

Electrical Research and Development Association, ERDA Road, GIDC,


Makarpura, Vadodara, Gujarat

Accreditation Standard

ISO/IEC 17025: 2005

Discipline
Certificate Number
Last Amended on

Electro-Technical Calibration
C-0062
14.07.2014

Quantity Measured/
Instrument

19.

20.

21.

CAPACITANCE &
TAN $

CURRENT
TRANSFORMER$
RATIO ERROR
PHASE ANGLE ERROR
VOLTAGE
TRANSFORMER$
RATIO ERROR
PHASE ANGLE ERROR

Avijit Das
Program Manager

Range / Frequency

Issue Date
Valid Until
Page

*Calibration Measurement
Capability ()

For SI
100 Vp to 1600 Vp
20.0 s to 4000.0 s

SI : 0.66%
Front Time: 2.3%
Tail Time: 2.16 %

For Chopping
400 Vp to 1250 Vp
0.5 s

LIC: 1.12 %
Chopping Time: 2.57%

Peak Magnitude
0 to 300 kVp

Peak Magnitude
: 1.56 %

10 pF to 1000 pF &
1 x 10-5 to 3.5
100V to 100 kV
10 pF to 1000 pF &
1 x 10-5 to 3.5
100kV to 150 kV
5 to 3200/1A,
5A

28.06.2014
27.06.2016
7 of 12
Remarks

Using Capacitive Voltage


Divider
Using C & Tan Delta Bridge
by Standard comparison
Method

Cap: 0.1311%
Tan :
1.12 x 10-4
0.028% RE

Using C & Tan Delta Bridge


by Standard comparison
Method
Using STD CT
Make: Eltel by Standard
Comparison Method

0.91Min. PAE

220 - 330 - 440 - 550


- 660 - 880 -1100 /
110 V

0.059% RE
2.34Min PAE

2200 - 3300/110V

0.072% RE
1.440 Min PAE

5500 - 6600 11000/110V


5500 /3 - 6600/3 11000/3/110/3V

0.059% RE
2.337Min PAE

22000/110V
22000/3/110/3V

0.028% RE
0.0482Min PAE

Using STD PT

Using CTPT Bridge


by Standard Comparison
Method

Bibin Philip
Convenor

Laboratory

Electrical Research and Development Association, ERDA Road, GIDC,


Makarpura, Vadodara, Gujarat

Accreditation Standard

ISO/IEC 17025: 2005

Discipline
Certificate Number
Last Amended on

Electro-Technical Calibration
C-0062
14.07.2014

Quantity Measured/
Instrument

22.

RATIO / TURNS
METER$
RATIO ERROR

23.

24.

CT/PT TEST SET$

AC ENERGY$
(Single & Three Phase)
Active & Reactive Energy
50Hz

Active & Reactive Energy


45Hz to 55Hz (Except
Avijit Das
Program Manager

Range / Frequency

Issue Date
Valid Until
Page

*Calibration Measurement
Capability ()

33000/110V
33000/3/110/3V

0.028% RE
0.58Min PAE

66000/3/110/3V
From 80% to 120%

0.065% RE
2.34 Min PAE

132kV/3/110/3V
From 80% to 120%

0.065% RE
2.34 Min PAE

28.06.2014
27.06.2016
8 of 12
Remarks

Using CTPT Bridge


Using STD EPD
by Standard Comparison
Method

220 - 330 - 440 - 550 - 660 880 - 1100/110 V


2200 - 3300/110V
5500 - 6600 -11000/110V
22000/110V
33000/110V
66000/110V

0.072% RE

Using STD PT
by Standard Comparison
Method

CT MODE : 5A & 1A

0.008%RE
0.31Min PAE

Using STD CTPT TEST SET


by Standard Comparison
Method

PT MODE : 110&110/3V

0.005% RE
0.25MinPAE
Using Three Phase Reference
Standard Meter

10mAto120A, 55Vto290V,
UPF, 0.25lag to 0.25lead

10mAto120A, 55Vto290V

0.019%

ZERA
COM 3003
EPZto303to5
EPZto303to05to3
MTE
Bibin Philip
Convenor

Laboratory

Electrical Research and Development Association, ERDA Road, GIDC,


Makarpura, Vadodara, Gujarat

Accreditation Standard

ISO/IEC 17025: 2005

Discipline
Certificate Number
Last Amended on

Electro-Technical Calibration
C-0062
14.07.2014

Quantity Measured/
Instrument

50Hz)

Range / Frequency

Issue Date
Valid Until
Page

*Calibration Measurement
Capability ()

UPF, 0.25lag to 0.25lead

0.025%

28.06.2014
27.06.2016
9 of 12
Remarks

SRS 400.3 PRS 400.3


RADIAN RDto30to233

Active & Reactive Energy


45Hz to 55Hz

ACTARIS SM3050
Above 120A and Up to 200A,
55Vto288V
UPF, 0.25lag to 0.25lead

0.05%

by Standard comparison
Method

25.

DC VOLTAGE

10 mV to 1000 V

0.06% to 0.01%

Using 6 Digital Multimeter


Agilent 34401A by Direct /
Comparison Method

26.

DC CURRENT

10 mA to 20 A

0.06% to 0.2%

Using 6 Digital Multimeter


Agilent 34401A / Digital
Power meter WT 3000 by
Direct / Comparison Method

50 Hz
100 mV to 1000 V

0.13%

50 Hz
50 mA to 20 A AC

0.6% to 0.2%

27.

28.

AC VOLTAGE

AC CURRENT

Using 6 Digital Multimeter


Agilent 34401A / Digital
Power Meter WT 3000 by
Direct / Comparison Method
Using 6 Digital Multimeter
Agilent 34401A / Digital
Power Meter WT 3000 by
Direct / Comparison Method

29.

FREQUENCY

20 Hz to 300 kHz

0.05% to 0.013%

Using 6 Digital Multimeter


Agilent 34401A

30.

RESISTANCE

1m to 10
10 to 100 M

0.1% to 0.7%
0.1%

Using 6 Digital Multimeter


Agilent 34401A Fluke 9100A/
Multiproduct Calibrator 5500
& standard Resistor, by
Direct / Comparison Method

31.

AC APPARENT
POWER

50 Hz
0.5VA to 11.5kVA
(10 V to 575 V,
0.05 A to 20 A

Avijit Das
Program Manager

0.15%

Using Digital Power Meter


Yokogawa, WT 3000 by
Direct / Comparison Method

Bibin Philip
Convenor

Laboratory

Electrical Research and Development Association, ERDA Road, GIDC,


Makarpura, Vadodara, Gujarat

Accreditation Standard

ISO/IEC 17025: 2005

Discipline
Certificate Number
Last Amended on

Electro-Technical Calibration
C-0062
14.07.2014

Quantity Measured/
Instrument

Range / Frequency

Issue Date
Valid Until
Page

*Calibration Measurement
Capability ()

28.06.2014
27.06.2016
10 of 12
Remarks

Pf : 0.8 lag to UPF)


32.

CAPACITANCE
& TAN

10 pF to 1000 pF &
1 x 10-5 to 3.5
up to 12 kV

33.

VOLTAGE
TRANSFORMER
RATIO & PHASE
ANGLE ERROR

220 to 330 to 440 to 550


to 660 to 880 to
1100/110 V

34.

AC ENERGY
( & 3 )
Active & Reactive
Energy, 45Hz to 55Hz

2200 to 3300/110V

Cap: 0.071%
Tan : 3.84 x 10-5

C & Tan Bridge


Make: Tettex by Standard
comparison
Method

0.059% RE
2.34Min PAE

Using STD PT
Make: Pragati & Chandni,
Moonlight
Using CTPT Bridge
Make: Tettex
By Standard Comparison
Method

0.072% RE
2.33 Min PAE

5500 to 6600 to
11000/110V
5500/3to6600/3 to
11000/3/110/3V

0.065% RE
2.34Min PAE

22000/110V
22000/3/110/3V

0.039% RE
0.64Min PAE

33000/110V
33000/3/110/3V

0.040% RE
0.72Min PAE

10mA to 120A,
55V to 290V at UPF

0.043% @Active energy


0.040% @Reactive energy

10mA to 120A,
55V to 290V at 0.25 lag

0.066% @Active energy


0.063%@ Reactive energy

10mA to 120A,
55V to 290V at 0.25 lead

0.060% @Active energy


0.060%@ Reactive energy

Using Three Phase Reference


Standard Meter
MTE
PRS 400.3
RADIAN RDto30to233
ACTARIS
SM 3050
by Standard comparison
Method

Avijit Das
Program Manager

Bibin Philip
Convenor

Laboratory

Electrical Research and Development Association, ERDA Road, GIDC,


Makarpura, Vadodara, Gujarat

Accreditation Standard

ISO/IEC 17025: 2005

Discipline
Certificate Number
Last Amended on

Electro-Technical Calibration
C-0062
14.07.2014

Quantity Measured/
Instrument

Range / Frequency

Issue Date
Valid Until
Page

*Calibration Measurement
Capability ()

28.06.2014
27.06.2016
11 of 12
Remarks

MOBILE FACILITY
1.

CAPACITANCE
& TAN

2.

CURRENT
TRANSFORMER
RATIO ERROR
PHASE ANGLE ERROR

5 to 3200/1A,5A

VOLTAGE
TRANSFORMER
RATIO ERROR
PHASE ANGLE ERROR

220 - 330 - 440 - 550 660 - 880 -1100/110 V

0.059% RE
2.34Min PAE

2200 - 3300/110V

0.072% RE
2.33 Min PAE

5500 -6600 11000/110V 5500/3 6600/3 11000/3/110/3V

0.065% RE
2.34Min PAE

22000/110V
22000/3/110/3V

0.039% RE
0.64Min PAE

33000/110V
33000/3/110/3V

0.040% RE
0.72Min PAE

3.

4.

10 pF to 1000 pF&
1 x 10-5 to 1.0 upto
12 kV

Cap:0.70%
Tan : 7.01 x 10-5

0.037% RE
1.15Min PAE

AC ENERGY
(Single & Three Phase)
Active & Reactive
Energy, 45Hz to 55Hz

Avijit Das
Program Manager

Using Insulation Analyzer


by Standard comparison
Method

Using STD CT
STD CT
Using CTPT Bridge
by Standard Comparison
Method
Using STD PT
Using CTPT Bridge
Make: Tettex
by Standard Comparison
Method

Using Three Phase Reference


Standard Meter
MTE
PRS 400.3
10 mA to 120 A
55 V to 290V at UPF

0.043% @Active energy


0.040% @Reactive energy

10 mA to 120 A
55 V to 290 V at 0.25 lag

0.066% @Active energy


0.063% @Reactive energy

RADIAN
RDto30to233
ACTARIS
SM3050
Bibin Philip
Convenor

Laboratory

Electrical Research and Development Association, ERDA Road, GIDC,


Makarpura, Vadodara, Gujarat

Accreditation Standard

ISO/IEC 17025: 2005

Discipline
Certificate Number
Last Amended on

Electro-Technical Calibration
C-0062
14.07.2014

Quantity Measured/
Instrument

Range / Frequency

Issue Date
Valid Until
Page

*Calibration Measurement
Capability ()

28.06.2014
27.06.2016
12 of 12
Remarks

& Lead
by Standard comparison
Method
5.

VOLTAGE

50 V to 400 V

0.075%

6.

CURRENT

10 mA to 120 A

0.300%

7.

POWER FACTOR

UPF, 0.25lag to 0.25lead

0.250%

8.

FREQUENCY

45Hz to 55Hz

0.039%

* 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.

Avijit Das
Program Manager

Bibin Philip
Convenor

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