Relay Tester/Secondary Circuit Tester

LQHV-109A Smart CT/PT Analyzer | Automatic Transformer Tester with Error Curve Analysis

Professional LQHV-109A CT/PT analyzer performs automatic transformer testing with 5%/10% error curve generation. GB 20840 compliant for lab and field applications.

US$1.00; Negotiated Price
Lead time: 30days

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Product Details

Product Tags

LQHV-109A Intelligent CT/PT Test System

Advanced transformer analysis with automatic error curves and field-ready portability (≤22kg)

Product Parameters

The main parameters

Item		Parameters
Power supply		AC220V±10% 、50Hz
Equipment output		0 ~ 2500Vrms, 5kVA (Max set value 20A)
High current output		0~1000A
Excitation precision		≤0.5%（0.2%* read +0.3%* range)
Secondary winding resistance measurement	Range	0.1～300Ω
Secondary winding resistance measurement	precision	≤0.5%（0.2%* read +0.3%* range)
Secondary actual load measurement	Range	5～500VA
Secondary actual load measurement	precision	≤0.5%（0.2%* read+0.3%* range) ± 0.1VA
Phase measurement (Angle difference)	precision	4min
Phase measurement (Angle difference)	resolution	0.1min
Ratio error	precision	0.05%
CT Turns Ratio measurement	Range	≤25000A/5A（5000A/1A）
CT Turns Ratio measurement	precision	≤0.5%
PT Turns Ratio measurement	Range	≤500kV
PT Turns Ratio measurement	precision	≤0.5%
Work condition		Temperature：－10℃ ～ 40℃，Humidity：≤90%，Altitude：≤1000m
size		410mm × 260mm × 340mm
weight of the		≤22kg

Comprehensive Testing Solutions

Dual Transformer Analysis

Complete CT & PT testing
No external equipment needed

Smart Error Analysis

Automatic 5%/10% error curves
Excitation inflection point detection

Field Efficiency

Built-in thermal printer
USB data export (Word reports)

Technical Specifications

Feature	Specification
Controller	Intelligent touchscreen operation
Display	Large LCD with graphical interface
Data Storage	3000+ test records (power-loss protection)
Connectivity	USB for PC report generation
Weight	≤22kg portable design