L-3P phase sequence meter

Description

L-3P phase sequence meter is a major breakthrough in traditional phase sequence detection methods. The traditional phase sequence detection must be to open the three-phase wire terminal, the phase sequence meter of the three exposed clips or test pins are connected to the exposed three fire lines. It uses clamp-type non-contact inductive measurement. It does not need to open the wire, and does not need to touch the high voltage exposed live wire. It can directly detect the phase sequence by sandwiching the three super induction high-insulation clamps to clamp the three-phase live wire insulation sheath. It is safe and reliable, and is widely used in electric power, communication, meteorology, railway, oil field, construction, measurement, scientific research and teaching units, industrial and mining enterprises and other fields. At the same time, the acoustooptic indicates the normal or reverse phase state of the phase sequence of the three-phase power supply.

Functions

Phase detection (normal phase, reverse phase)
Live line inspection
Simple electricity inspection
Phase loss judgment
Circuit breaker search
Breakpoint location
Line maintenance

Features

Non-contact detection L1, L2, L3
Auto check
Wide detection voltage range
With luminous beep
AC 70~4000V
Test quickly
Check all kinds of electric device’s phase sequence
This new design structure
Powered by 9V cell batteries

Parameters

Electrical parameters
Power	9V battery, continuous use time is about 70 hours.
Measure mode	Non-contact clipping method
Wire position	The measured wire is in the center of the jaw
Frequency	50Hz/60Hz automatic identification
Live electricity range	AC 70-4000V, 45-65Hz (sine wave continuous input), conducted electrostatic detection
Measuring the highest voltage	AC 4000V
Clamp wire size	Outside diameter ø1.5mm-ø48mm
Display	[Positive phase] 4pcs phase detector lights are turned on in a clockwise direction; [Reverse phase] 4pcs phase detection lights are turned on counterclockwise; [Live electricity] L1, L2, L3 lights in the voltage setting range; [Lack of phase] L1 or L2 or L3 lights are not lit; [Open circuit] L1 or L2 or L3 lights are not lit;
Beep	[Positive phase] The instrument emits intermittent short beep; [Reverse phase] The instrument emits a continuous long beep.
Battery check	After the power is turned on, the power indicator is on; the battery is low; the low battery lamp is on.
Clamp lead length	0.6m
Automatic shut-down	After about 6 minutes of power on, the meter automatically shuts down to reduce battery consumption.
Battery voltage	When the battery voltage drops to about 5.2V, the battery voltage is low symbol to remind to replace the battery
Maximum rated power	300mVA
Insulation strength	3.7kVrms
Suitable for safety regulations	EN61010-1：2001, EN61010-031：2002, pollution grade 2, CAT Ⅲ(600V), Instant overvoltage 6000V.
Mechanical parameters
Dimensions	117.6mm×81mm×25mm (L×W×T)
Weight (g)	260 (with battery)
Environmental conditions
Operating temperature	-15°C to +55°C
Storage Temperature	-20°C to +65°C
Relative humidity	0%-95% RH

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L-3P Phase Sequence Meter

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