Relay Tester/Secondary Circuit Tester

LQMG2000B Digital Phase Meter - Dual Clamp Voltage/Current Analyzer

Portable LQMG2000B phase meter features dual clamp design for non-contact current measurement, 500V voltage testing, and three-phase sequence detection with 70° adjustable LCD.

US$1.00; Negotiated Price
Lead time: 30days

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Product Details

Product Tags

LQMG2000B Double Clamp Digital Phase Meter

Handheld Electrical Phase Analysis Solution

The LQMG2000B combines high-voltage measurement capabilities (500V AC) with non-contact current clamps for comprehensive phase analysis in power systems. Ideal for transformer testing, meter verification, and differential protection checks without circuit disconnection.

Product parametersProduct Parameters

Reference to working conditions

Influence quantity	Benchmark conditions	Working conditions
Ambient temperature	23℃±1℃	＜80%
Ambient humidity	40%～60%	10℃～40℃
Signal waveform	Sine wave β= zero point zero five	Sine wave β= zero point zero five
Signal frequency	50Hz±1Hz	45Hz～65Hz
Instrument operating voltage	9V±0.1V	9V±1V
Voltage amplitude during phase measurement	100V±20V	30V～500V
Current amplitude during phase measurement	1A±0.2A	10mA～20.00A
External electric and magnetic fields	Avoid
Location of the tested wire	The measured wire is at the approximate Centroid of the jaw

General specifications

Function	Direct testing of phase, AC current, AC voltage, AC leakage current, and phase sequence; Transformer group, inductive and capacitive circuit discrimination; Power factor and power indirect testing
Power supply	DC9V alkaline Dry cell (1.5V LR6 × 6)
Working current	Turn on the backlight, with a maximum of 35mA and the battery working continuously for about 15 hours
Working current	Turn off the backlight, the instrument consumes approximately 5mA of power, and the battery operates continuously for approximately 100 hours
Display mode	LCD display, white screen backlight function, suitable for dim places
LCD Size	70mm×62mm ；Display Domain：64mm×54mm
Instrument size	Length, width, and thickness: 196mm × 92mm × 54mm
Sample Rate	About 3 times/second
Range	AC voltage: 0-20V/200V/500V
	AC current: 0-200mA/2A/20A
	Phase: 0-360 °
The amplitude range of the measured signal during phase measurement	When measuring U1-U2 phase: 30V~500V
	When measuring I1-I2 phase: 10mA~10.00A
	When measuring U1-I2 or I1-U2 phase: 10V~500V, 10mA~10.00A
Data hold	During the test, press the HOLD key to maintain the data, and the "DH" symbol is displayed
Automatic shutdown	After about 15 minutes of startup, the instrument automatically shuts down to reduce battery consumption
Voltage detection	When the battery voltage is below 7.8V-8V, replace the battery
Instrument quality	The host is approximately 1140g (with battery), and the watch clamp is approximately 170g × 2. Test line approximately 250g
Test line length	1.5m
Current clamp wire length	2m
Operation temperature	-10 ℃~40 ℃; Below 80% Rh
Storage temperature and humidity	-10 ℃~60 ℃; Below 70% Rh
Impedance	The input impedance of each test voltage range is: 1m Ω
Impedance	When measuring the phase of U1U2, the voltage input impedance is 40k Ω
Pressurization	Withstand a sine wave AC voltage of 1000V/50Hz between the instrument circuit and the casing for 1 minute; Test of withstanding a sine wave AC voltage of 500V/50Hz between two voltage input terminals for 1 minute
Insulation	≥ 10m Ω between instrument circuit and casing, and between two voltage input terminals
Structure	Double insulation