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Wuhan Goldhome Hipot Electrical Co., Ltd.Free·1YRS

E-mail
info@cablehipot.com
Phone
86-027-84875837
Address
No.A25-1, Huading Mould Industrial Park, Hannan District, Wuhan, China

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Digital Phase Tester

NegotiableUpdate on September 11

Model

Nature of the Manufacturer: Manufacturer

Product Category: Relay Test Set

Place of Origin: City, Province

Online Consult Contact Information

Overview

Phase current range applicable：1A±0.1A（Reference Conditions）10mA～20.0A（Operating Conditions）Phase voltage range applicable：100V±10V（Reference Conditions） 30V～600V（Operating Conditions） Function：Directly test phase, A.C. current, A.C. voltage, A.C. leak current, and phase sequence; identify grouping, inductive, and capacitive circuit of transformer; and indirectly test power factor and power.

Product Details

Introduction

HM 2000B dual-clamp Digital Phase Tester is a multi-functional instrument developed specially for on-site test. Featured with high precision, good stability, less power consumption and easy operation, it measures directly A.C. voltage and A.C. current even when the tested circuit is not opened, as well as phase between two voltages, two currents and the voltage-current. In addition, it measures indirectly power factor and power of the circuit, identifies three-phase sequence, wiring group, inductive and capacitive circuit of transformer, tests secondary circuit and the busbar differential protection system, tells the phase relation between different CT groups of differential protection, examines whether the wiring of watt-hour meter is correct, and checks and repairs circuit equipments, etc. The instrument has huge LCD screen, with letters reaching 40mm in height and looks greatly clear thanks to the backlight design. The instrument is applicable to electricity, petrochemical engineering, metallurgy, railway, meteorology, industrial and mining enterprises, academic institutions, colleges and metrological sectors, etc.

Main Parameter

2.1. Reference Conditions and Operating Conditions

Influence Factors	Reference Conditions	Operating Conditions	Remarks
Ambient environment	23℃±1℃	-10℃～40℃
Ambient humidity	40%～60%	＜80%
Signal waveform	Sine wave	Sine wave	β=0.05
Signal frequency	50HZ±1HZ	45HZ～65HZ
Working voltage	9V±0.1V	9V±1V
Phase current range applicable	1A±0.1A	10mA～20.0A
Phase voltage range applicable	100V±10V	30V～600V
External electric field and magnetic field	Shall be avoided
Location of tested wire	The tested wire is located in approximate geometric center of the clamp jaw

2.2. General Specifications

Function	Directly test phase, A.C. current, A.C. voltage, A.C. leak current, and phase sequence; identify grouping, inductive, and capacitive circuit of transformer; and indirectly test power factor and power.
Power Supply	DC9V alkaline dry batteries (1.5V AA×6)
Power Consumption	Nearly 35mA at the maximum if backlight on, batteries work continuously for nearly 40 hours.
Nearly 5mA if backlight off, batteries work continuously for 300 hours.
Display	LCD display, blue screen with backlight design, applicable to dark places.
LCD Size	70mm×62mm
LCD Display Field	64mm×54mm
Instrument Size	(L x W x H): 196mm×92mm×54mm
Jaw Size:	φ7.5mm×13mm
Sampling Rate	Nearly 3 times/second
Range	A.C Voltage: 0～20V/200V/600V
A.C Current: 0～200mA/2A/20A
Phase: 0～360°
Range of tested signal during phase measuring	When measuring phase U1-U2: 30V～600V
When measuring phase I1-I2: 10mA～20.00A
When measuring U1-I2 or I1-U2: 10V～600V, 10mA～20.00A
Auto power-off	The instrument shut off automatically in 15min after startup so that to reduce battery consumption.
Voltage test	When the battery voltage is less than 7.2v, the low voltage symbol appears, reminding to replace the battery.
Mass of instrument	The body is nearly 550g (battery included), the clamp is nearly 170g x2, and the test wire is nearly 250g.
Length of test wire	1.5m
Line length of current clamp	2m
Operating temperature and humidity	-10℃～40℃; 80%Rh and less
Storage temperature and humidity	-10℃～60℃; 70%Rh and less
Input impedance	Input impedance of tested voltages: 2MΩ
Input impedance of voltage when testing phases U1U2: 40kΩ
Withstａnd voltage	Withstａnd voltage between upper cover of the instrument and bolt on battery cover place is 2000V/50Hz sine wave A.C. current for one minute.
Insulation	Insulation between wires and the shell of instrument and insulation between two voltage input ends ≥10MΩ.
Structure	Double insulation

2.3. Basic Errors and Performance Indexes under Reference Conditions

Category	Range	Resolution	Basic Error
Voltage	20V	0.01V	±(1.2%rdg+2dgt)
200V	0.1V
500V	1V
Current	200mA	0.1mA	±(1.0%rdg+2dgt)
2A	1mA
10A	10mA
Phase	0～360°	1°	±1°

Note: the phase error under operating conditions shall be no greater than ±3°.

Structure

1. current input interface

2. Product model label place

3. LCD

4.“ON" button for startup

5.“HOLD" button for data-hold

6. Knob switch for functions

7.Voltage input jack

8. Clamp jaw

9. Current clamp

10.Trigger

11. Current clamp lead

12. current input interface

13.“OFF" button for shut-off

14. “LAMP" button for backlight

15.Voltage test clip

16.Voltage test wire

detail

Reference drawings for test wiring

1: Test single-phase U-I phase

Identify inductive or capacitive circuit

2: Test three-phase four-wire Ua-Ib phase

3: Test three-phase four-wire Ia-Ib phase

4: Test three-phase four-wire Ua-Ib phase

Identify the three-phase four-wire phase sequence

5: Test three-phase three-wire Uab-Ucb phase

Identify the three-phase three-wire phase sequence

6: Test three-phase three-wire Uab-Ia phase

7: Test three-phase three-wire Ia-Ic phase

8: Test three-phase three-wire Ucb-Ic phase