Digital Double Clamp Phase Meter Multimeter AC Voltmeter Ammeter Electrical Measuring Instruments

Product Details
Customization: Available
Type: Material Testing Machine
Load Way: Electronic Load
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Registered Capital
30000000 RMB
Plant Area
10000 square meters
  • Digital Double Clamp Phase Meter Multimeter AC Voltmeter Ammeter Electrical Measuring Instruments
  • Digital Double Clamp Phase Meter Multimeter AC Voltmeter Ammeter Electrical Measuring Instruments
  • Digital Double Clamp Phase Meter Multimeter AC Voltmeter Ammeter Electrical Measuring Instruments
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Basic Info.

Model NO.
hm2000B
Display
Digital
Control
Manual Control
Weight
280g
Power Source
Single 9V Laminated Battery
Sampling Rate
3 Times Per Second
Clamp Shell
140*42*20mm
Measuring Clamp
2*200g
Relative Humidity
(20-80)%
Frequency of Measured Signal
(50+-0.5)Hz
Transport Package
Wooden Box with Foam Inside
Specification
192x95x55mm
Trademark
GDHM
Origin
Hubei, China(Mainland)
Production Capacity
50000/Month

Product Description

Digital Double Clamp Phase Meter Multimeter AC Voltmeter Ammeter Electrical Measuring Instruments
I. Product Description 

HM 2000B dual-clamp digital phase meter 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.

II. Techinical Parameter:

2.1 Reference Conditions and Operating Conditions
Influence Factors Reference Conditions Operating Conditions Remarks
Ambient environment 23ºC±1ºC -10ºC~40ºC  
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
Data-hold Press HOLD to hold data during test, and DH displays.
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 -10ºC~40ºC; 80%Rh and less
Storage temperature and humidity -10ºC~60ºC; 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°

Digital Double Clamp Phase Meter Multimeter AC Voltmeter Ammeter Electrical Measuring Instruments

Digital Double Clamp Phase Meter Multimeter AC Voltmeter Ammeter Electrical Measuring Instruments


Digital Double Clamp Phase Meter Multimeter AC Voltmeter Ammeter Electrical Measuring Instruments
Digital Double Clamp Phase Meter Multimeter AC Voltmeter Ammeter Electrical Measuring Instruments

 

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