NRFA Series CT PT Tester

1. Product introduction
NRFA Series CT PT Tester is mainly used for testing Protection type and measurement type of CT and PT. It is suitable for laboratory and field test.

2. Product characteristics
● Support for detection of CT and PT
● Meet GB1207 GB1208 and other procedures requirement.
● Complete all test items independently no need other auxiliary equipment.
● With mini printer can print test results on-site quickly.
● Use intelligent controller easy to operate.
● Large LCD graphical display interface.
● Output CT / PT (excitation) inflection point values automatically.
● Output 5% and 10% error curve automatically.
● 3000 sets of test data can be saved automatically not afraid of a sudden brownout.
● Support U disk transfer information that can be read through a standard PC and generate WORD reports.
● Compact and light weight the weight is less than 22Kg perfect for field testing.

Technical Data

Technical parameters		Model
Technical parameters		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
Secondary winding resistance measurement	Accuracy	-	≤ 0.5%
Secondary actual load measurement	Range	-	5VA ~ 1000VA
Secondary actual load measurement	Accuracy	-	≤ 0.5%
Phase measurement (Angle difference)	Accuracy	-	±4min
Phase measurement (Angle difference)	Resolution	-	0.1min
CT / PT ratio error measurement	Accuracy	-	≤ 0.5%
CT / PT ratio error measurement	Resolution	-	0.1
CT ratio measurement	Range	≤ 3000A/ 1A (15000A/5A)	25000A/ 5A (5000A/1A)
CT ratio measurement	Accuracy	≤ 0.5%	≤ 0.5%
PT ratio measurement	Range	≤ 500KV	1KV ~ 500KV
PT ratio measurement	Accuracy	≤ 0.5%	≤ 0.5%
Operating Environment		Temperature: -10 ℃ ~ 40 ℃ humidity: ≤ 90% Altitude: ≤ 1000m
Dimension		410mm × 260mm × 340mm	400mm × 260mm × 260mm
Weight		≤ 22Kg	≤ 22Kg

2. Functions:

Main test functions		Model
Main test functions		NRFA-V	NRFA-H
CT	VA rating (excitation) curve	√	√
	Knee point voltage	√	√
	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	VA rating (excitation) curve	√	√
	Knee point voltage	√	√
	Ratio measurement	√	√
	Polarity judgment	√	√
	Ratio error measurement	×	√
	Phase (angle difference) measurement	×	√
	AC withstand voltage test	√	√
	Secondary load test	×	√
	Core demagnetization	√	√