NRFA series Instrument Transformer Tester

NRFA series Instrument Transformer Tester

Classification: Measurement Product/Secondary Circuit Test

Reference standard: GB 1207-2006;GB 1208-2006

Verification:  View the certificate

Instructions:  DOC Instructions

  PDF Instructions

Tel: 027-87207771 87207772 87207773 87188862

Verification certificate
Product introduction
NRFA series Transformer Tester is used to protect the class, metering class CT / PT for automatic testing for laboratory also applies to on-site testing.
Alternative name
Transformer characteristics tester, Transformer tester, Transformer characteristics tester
The Characteristics of the products
NRFA-V Instrument Transformer Tester(1000V)
Products Characteristics

1.Support for detection of CT and PT
2.Meet GB1207, GB1208 and other procedures requirement.
3.Complete all test items independently, no need other auxiliary equipment,.
4.With mini printer can print test results on-site quickly.
5.Use intelligent controller, easy to operate.
6.Large LCD, graphical display interface.
7.Output CT / PT (excitation) inflection point values automatically.
8.Output 5% and 10% error curve automatically.
9.3000 sets of test data can be saved automatically, not afraid of a sudden brownout.
10.Support U disk transfer information that can be read through a standard PC and generate WORD reports.
11.Compact and lightweight ≤ 22Kg, perfect for field testing.

NRFA-H Instrument Transformer Tester(2500V)
Products Characteristics
1.Support for detection of CT and PT
2.Simultaneous detection of three groups of CT ratio, a complete, easy to operate.
3.Meet GB1207, GB1208 and other procedures required.
4.Complete all test items independently, no need other auxiliary equipment.
5.With mini printer can print test results on-site quickly.
6.Use intelligent controller, easy to operate.
7.Large LCD, graphical display interface.
8.Output CT / PT (excitation) inflection point values automatically.
9.Output 5% and 10% error curve automatically.
10.3000 sets of test data can be saved automatically, not afraid of a sudden brownout.
11.Support U disk transfer information that can be read through a standard PC and generate WORD reports.
12.Compact and lightweight ≤ 22Kg, perfect for field testing.
The parameters of the products

Technical parameters

Model

NRFA-V

NRFA-H

Power supply

AC220V±10% , 50Hz

Device output

0 ~ 1000V ( 20A peak )

0 ~ 2500Vrms, 5Arms( 20A peak )

High current output

0 ~ 600A

0 ~ 1000A

Excitation measurement accuracy

≤ 0.5% ( 0.2% * reading +0.3% * Range )

-

Secondary winding
resistance  measurement

Range

-

0.1 ~ 300Ω

Accuracy

-

≤ 0.5%

Secondary actual
Load measurement

Range

-

5VA ~ 1000VA

Accuracy

-

≤ 0.5%

Phase measurement (Angle difference)

Accuracy

-

±4min

Resolution

-

0.1min

CT / PT ratio measurement

Accuracy

-

≤ 0.5%

Resolution

-

0.1

CT ratio measurement

Range

≤ 3000A/ 1A ( 15000A/5A )

25000A/ 5A ( 5000A/1A )

Accuracy

≤ 0.5%

≤ 0.5%

PT ratio measurement

Range

≤ 500KV

1KV ~ 500KV

Accuracy

≤ 0.5%

≤ 0.5%

Operating Environment

Temperature: -10 ℃ ~ 40 ℃, humidity: ≤ 90%, Altitude: ≤ 1000m

Dimension

410mm × 260mm × 340mm

 400mm × 260mm × 260mm

Weight

≤ 22Kg

≤ 22Kg


Main test functions

Model

NRFA-V

NRFA-H

CT

Voltage-current characteristic (excitation characteristic) curve

Given inflection point value automatically

Given 5% and 10% error curve automatically

Simultaneous detection of three secondary wingdings

×

Ratio measurement

Phase ( angle difference ) measurement

×

Polarity judgment

Once through-flow test

AC withstand voltage test

×

Secondary load test

×

Secondary winding test

×

Core demagnetization

PT

Voltage-current characteristic (excitation characteristic) curve

Given inflection point value automatically

Ratio measurement

Polarity judgment

Ratio error measurement

×

Phase ( angle difference ) measurement

×

AC withstand voltage test

Secondary load test

×

Secondary winding test

×

Core demagnetization


Power supply: AC110V/115V/120V/127V/220V/230V/240V optional
Input frequency: 50Hz/60Hz optional
Note: The users can select the corresponding power which based on their local supply voltage and frequency, and we will confirm it before the delivery (or inform us that the goods will be used in which country advance)

Product information