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NR5250 series wireless relay protection vector analyzer

Wireless relay protection vector analyzer, also known as a six-phase protection circuit vector tester or circuit vector analyzer, consists of two handheld measurement terminals. It can synchronously measure the amplitude and phase of six voltage and current channels wirelessly, or it can be used as two independent three-phase voltage-current-phase meters.

Category:

Metrology comprehensive test

Email:

jd@jindian-tech.com

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Product patent

Product description

Product Introduction

　　The wireless relay protection vector analyzer, also known as the six-phase protection circuit vector tester or circuit vector analyzer, consists of two handheld measurement terminals. It can synchronously measure the amplitude and phase of six voltage and current channels wirelessly, and can also be used as two independent three-phase voltage-current-phase meters.

Main Features

　　◆ Distributed wireless synchronous measurement of voltage, current, and phase parameters; wireless synchronous measurement of six voltage channels and six current channels' amplitude and phase.

　　◆ Can be used as a three-phase voltage-current-phase meter.

　　◆ Wireless synchronous phase measurement accuracy within 0.5°.

　　◆ No GPS required, avoiding prolonged star searching.

　　◆ No discharge cable is needed to introduce the reference voltage, avoiding PT secondary short circuits caused by cable insulation or operational issues.

　　◆ Can synchronously measure the differential protection CT signals on the high and low voltage sides of the transformer before the smart grid merging unit.

　　◆ Uses a dedicated custom antenna, easily handling long-distance wireless communication in various complex station environments.

　　◆ A wireless repeater can be used to solve wireless communication problems in basements and well-shielded indoor environments.

　　◆ Current amplitude and phase measurement can reach a minimum of 1mA. Very suitable for substation main transformer load tests and current measurement in newly built stations or stations with small loads.

　　◆ Function for low-voltage energized line selection (cable identification).

Technical Parameters

Type	Measurement Range	Unit	Error	Resolution
Voltage	5 ~ 600V	V	0.5% x Reading + 5 digits	0.1V
Current	0.001 ~ 6A (expandable)	A	0.5% x Reading + 5 digits	0.0001A
Active Power	0.005 ~ 3600	W	0.5% x Reading (PF=1)	0.1W
Reactive Power	0.005 ~ 3600	VAR	0.5% x Reading (PF=0)	0.1Var
Frequency	45 ~ 65	Hz	0.02Hz	0.01Hz
Phase	0 ~ 360	°	+ 0.2°	0.1°

NR5240 Series Wireless Secondary Voltage Drop Load Tester

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NR5240 Series Wireless Secondary Voltage Drop Load Tester

NR5260 Series Three-Phase Harmonic Analyzer

SAUNDERS

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ADD：Building c3-09b, optical valley core center, 303 Optical Valley Avenue, Donghu New Technology Development Zone, Wuhan, China

Hotline: 400-027-1230
Tel: +86-027-8769-0177
+86-188-2742-2008
+86-177-6240-6910
After-sales :
+86-177 0277 9566
+86-133 6724 1932

Email:

jd@jindian-tech.com

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