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Top Supplier Cities : Shenzhen   Guangzhou   -  
Feb-29-08
Supplier From Dalian, China
Mar-11-22
 
Overview

High voltage insulation megohmmeter is composed of medium and large scale integrated circuits. This meter has large output power high short-circuit current value and large output voltage grades (there are four voltage grades). The working principle is as follows: the DC high voltage generated by the battery inside the machine as power supply and converted by DC/DC reaches the L pole from the E pole by the tested product so as to generate a current from E to L pole. After I/V conversion and operation by the divider the measured insulation resistance value is directly displayed by LCD.



Technical Parameters

Working Conditions environment temperature
relative humidity 85%RH
output voltage level 500V 1000V 2000V2500V
measurement range 019990M
Resolution 0.01M0.1M1.0M10.0M
relative error

Voltage/load 2500V/20M
Voltage drop about10%
short-circuit current 1.6mA
direct current 81.5V(AAR6)battery
alternating current 220V/50Hz
Power quiescent dissipation
Apr-03-12
Supplier From Foshan, Guangdong Province, China
Apr-01-06
Supplier From Jiangyan, Jiangsu Province, China
Apr-01-22
 
The GF302D1 three phase portable energy meter test equipment consists of an integrated three phase current source(up to 500V/120A or 500V/20A) and built-in three-phase electronic reference standard of accuracy class 0.05%. Characteristic features of the GF302D1 are its wide measuring range, high accuracy and high tolerance to unwanted external influences. The equipment offers high functionality combined with an excellent menu guided operation via built-in keyboards and colored 7" touch LCD-display. Voltage & current harmonics output from 2 to 63 times. This model portable meter test equipment can be programmable by PC, automatic generation of energy meter error test report.
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Nov-01-07
Supplier From Ningbo, Zhejiang, China
May-09-14
Supplier From Qingdao, Shandong, China
Jun-18-09
Supplier From Wenzhou, Zhejiang, China
Jan-20-03
Supplier From Zhejiang, Wenzhou, China
Aug-30-10
Supplier From Shenzhen, Guangdong, China
Jul-01-04
Supplier From Shanghai, China
May-14-04
Supplier From Xuzhou, Jiangsu, China
Apr-27-22
 
Electric designs, manufactures and supplies OHL hardware and accessories for power transmission and distribution lines with over 20 years experrience.
Single insulator tension & suspension string
Double insulator tension & suspension string
Triple insulator tension & suspension string

STANDARD
Electric comply with the standard of IEC61284, BS729, BS3288, ISO1461, IEC60120.

PRODUCT RANGE
11kV-500kV insulator strings. All the components of insulators strings can be found in the catalogs. Electric can also make the design according to client's reuirements.

APPLICATION
The tension, suspension and jumper strings are used for OHL transmission lines with porcelain insulators, glass insulators or composite insulators.
Jan-19-10
Supplier From Dongying, Shandong, China
Sep-13-21
Supplier From Shenzhen, China
Mar-03-11
Supplier From Shenzhen, China
Sep-06-22
Supplier From Xi'an City, China
Nov-25-21
Dec-04-21
Supplier From Shenzhen, China
Sep-09-22
 
Product description

Single-phase standard power supply is suitable for power department, quality control department, research units, institution of higher learning, electric energy meter, power supply management, load control, power quality, reactive power compensation device and production of the enterprise and so on. It can be as single phase voltage source, current source and power source.



Electrical parameters

Electrical parameters

Accuracy class

0.05%, 0.1%

Power supply

Single phase AC 85-265V, 50/60 Hz

AC Voltage output

Range

57.7V / 100 V / 220V / 380V, Switch automatically (max 500V)

Adjustment resolution

0.01%, 0.1%, 1%, 10%,



AC Voltage output

Range 57.7V / 100 V / 220V / 380V, Switch automatically (max

Adjustment resolution 0.01%, 0.1%, 1%, 10%,

Accuracy 0.05% RG

Stability Better than 0.01% RG/1min

Distortion degree Better than 0.1% (not capacitive load)

Load capacity 40VA

Full load regulation rate Less than 0.01% RG

Full load regulation time Less than 1ms

Temperature drift 8 PPM C

Long-term stability 60 PPM/year



AC Current output



Range



Adjustment resolution

Accuracy Stability

Distortion degree

Load capacity

Full load regulation rate

Full load regulation time

Temperature drift

Long-term stability

0.1A / 0.25A / 0.5A / 1A / 5A / 10A / 20A / 50A / 100A,

Switch automatically 0.01%, 0.1%, 1%, 10%,

0.05% RG

Better than 0.01% RG/1min

Better than 0.1% (not capacitive load)

40VA

Less than 0.01% RG Less than 1mS

8 PPM C

60 PPM/year
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