Cable and line Testing Instrument

LQHV-540 MOA Tester | Zinc Oxide Arrester Leakage Current Analyzer (DL474.5-92 Compliant)

DL474.5-92 compliant arrester tester with Fourier harmonic analysis. Measures resistive current up to 1mA accuracy with magnetic isolation sensors and edge phase correction.

US$1.00; Negotiated Price
Lead time: 30days

Send email to us

>>>WhatsApp Communication<<<

Product Details

Product Tags

LQHV-540 Zinc Oxide Arrester Diagnostic System

Precision MOA Condition Assessment

This live-line capable tester analyzes resistive leakage current with 0.1μA resolution to detect ZnO block aging/moisture per DL474.5-92 standards. Combines Fourier analysis with magnetic isolation for substation-grade accuracy.

Technical Parameters

Reference voltage input range (peak)	10V ~ 200V, can be customized (0-250V)
Full leakage current Measuring range (peak)	100uA ~ 8mA, can be customized (0-20mA)
Resistive current Measuring range (peak)	100uA ~ 8mA, can be customized (0-20mA)
Capacitive current Measuring range (peak)	100uA ~ 8mA, can be customized (0-20mA)
Angle Measuring range	0°～90°
Power	4W
System measurement accuracy	± (reading × 5% + 5 words) (harmonic current is not more than 2 mA)
AC power supply	AC220V ±10%，50Hz ±1%