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Top Supplier Cities : Shenzhen   Guangzhou   -  
Mar-09-17
(1.0)
Supplier From Wuhan, Hubei, China

Tension controller, tension loadcell, tension amplifier, web guiding system, powder brake, powder clutch, power supply, tension meter.

Supplier Of Amplifiers   |   Electric Components   |   Industrial Brakes & Clutches   |   Electric Power Meters   |   Electric Power Supply Components
Sep-25-23
(1.0)
Supplier From Wuhan, , China

Electric components, capacitor, resistor, IC, PCB board.FOB, testing, shipping

Supplier Of PCB

Service Provider Of Shipping, Air, Cargo & Railways   |   CIF/FOB   |   Integrated Circuits   |   Electric Resistors   |   Capacitors   |   Electric Components   |   Inspection & Testing
Jan-20-22
Zinc Oxide Arrester Equipment

Zinc Oxide Arrester Equipment

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Electric Meter Testing Equipment   |   Electric Arresters   |   Electric Components
 
Overview

zinc oxide arrester tester is a special instrument used to test the electrical performance of zinc oxide arrester. The instrument is suitable for live or power failure detection of zinc oxide arrester of various voltage levels so as to timely detect the internal insulation damp and valve aging and other dangerous defects.



zinc oxide arrester tester is easy to operate and easy to use. The whole measuring process is controlled by single chip microcomputer. It can measure the total current resistive current and its harmonics power frequency reference voltage and its harmonics active power and phase difference. The instrument uses digital waveform analysis technology harmonic analysis and digital filtering software anti-interference methods to make the measurement results accurate and stable.



Parameter:

1. Full current measurement range: 0-10mA effective value 50Hz/60Hz accuracy: (reading 5% + 5a)

2. Measurement accuracy of resistive current fundamental wave (secondary method without Interphase Interference): (reading 5% + 5a)

3. Current harmonic accuracy: (reading 10% + 10a)

4. Reference voltage input range: 25V-250V RMS total harmonic content 30% 50Hz/60Hz

5. Reference voltage measurement accuracy: (reading 5% + 0.5V)

6. Voltage harmonic measurement accuracy: (reading 10%)

7. Angle between fundamental current and fundamental voltage: 0-360

8. Working time of battery: 6 hours of main engine charging power supply: 220 V 10% 50Hz/60Hz charging time: 5 hours

9. Host volume: 325 280 140

10. Host weight: 3.5kg (without cable)
Dec-22-21
Electric Switches & Isolators

Electric Switches & Isolators

(1.1)
Ask for price
MOQ: Not Specified
  Swan Electric Co., Ltd.
Supplier From Wuhan, Hubei, China
Supplier Of Electric Switches & Isolators   |   Electric Switch Gears   |   Electric Components
 
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Dec-23-21
Single Phase Capacitance And Inductance

Single Phase Capacitance And Inductance

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Electronic Capacitors   |   Electric Components   |   Inductors & Transducers   |   Capacitors
 
Product description

The Single phase capacitance and inductance tester is specially developed for the problem of measuring the capacitance value of the capacitor on the substation.



Technical parameters

Instrument measurement range and accuracy

Capacitance measurement

Measurable capacitance range 0. 1 F 3,300

Measurable capacity range 5 20,000kvar

Measurement accuracy 1.0 readings 0.02 F

Resolution 0.001 F

Current measurement

Current measurement range 0 20A

Measurement accuracy 3.0 readings 0.05A

Resolution 0.01A

Inductance measurement

Inductance measurement range

small inductance mode 0.1mH 5mH

large inductance mode 5 mH 50H

Inductive reactance measurement range 50m 20K

Measurement accuracy 3.0 readings 0.05mH

Resolution 0.01mH
Resistance measurement

Resistance measurement range

small resistance mode 50m 1
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Jul-28-21
(1.1)
Supplier From Wuhan, Hubei, China

PCB connectors, pin header, female header, box header, ejector header, IC socket, machined pin & female header, IDC socket, dip plug, micro match, PLCC, sata, cable & cable assembly, terminal blocks.

Supplier Of Electric Components   |   Electric Terminals   |   PCB   |   Cable Assemblies   |   Wires & Cables   |   Electric Sockets & Plugs   |   Electric Connectors
Dec-24-21
SF6 Intelligent Micro Water Quality Tester

Sf6 Intelligent Micro Water Quality Tester

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Electric Components   |   Electric Testers   |   Electronic Testers   |   Tools & Instruments
 
Product Introduction
SF6 intelligent micro water quality tester is developed and designed according to the national power industry standard DL t506 2007 insulation gas humidity measurement method for sulfur hexafluoride electrical equipment and adopts the imported high precision dew point sensor and new digital circuit control technology. It is a high-precision intelligent instrument to measure the trace moisture content in SF6 gas.

This instrument adopts intelligent self calibration technology wide measurement range fast response high accuracy good linearity dynamic display of measurement curve. At the same time the instrument also has an automatic dryer which can greatly reduce the measurement time.



Technical Parameters




Measuring range Dew point value 80 20
Moisture content 0 19999uLL
Accuracy of measurement 0.5 60 20
1.0 80 60
The resolution of the Dew point value 0.1
Moisture content 1uLL
Response time 20 0.1mpa 63 needs 5s 90 needs 45s 60 20
63 needs 10s 90 needs 240s 20 60
Sampling flow 0.6L min 20
Pressure range 01.0Mpa
The use of temperature 20 60
Environmental humidity 0 100 RH
Storage temperature 20 80
Charging time 4 hours
The whole machine size 250 150 300mm3
The weight of The machine 3.5kg
Jul-27-16
(1.0)
Supplier From Wuhan, China

Integrated circuit, modules, active & passive components.

Supplier Of Automobile Electrical & Electronic Components   |   Integrated Circuits
Aug-25-22
Current Transformer Volt-Ampere Characteristic

Current Transformer Volt-Ampere Characteristic

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Electric Transformers   |   Electric Power Supply Components   |   Power Plant Spares   |   Electric Components
 
Overview

Current transformer volt-ampere characteristic tester Only need to set the test voltage, current and step, the device will boost and trace voltage current characteristic test curve automatically, save the cumbersome labor of manual pressure regulation, artificial record, tracing curves, and so. Quick, simple and convenient.

I can not only test CT/PT DC resistance, volt-ampere characteristics, ratio and polarity, 10% error curve, angle difference and ratio difference, but also test secondary load of transformer, CT current test and PT AC withstand voltage test.

CT ratio not only supports traditional current method but also voltage method, so it can meet the test of CT in casing CT and GIS.

Volt-ampere characteristic test single machine output voltage 0-2500V, current 0-20A, can meet most of the transformer volt-ampere characteristic test.

220V single power input and avoids the risk of using 380V.

Current transformer volt-ampere characteristic tester



Main Technical Parameters:

Booster output current & voltage

1A/2500V



2A/1500V



5A/600V



10A/220V



20A/30V

Current generator output current

600A

Output power

3000VA

Voltage and current measurement accuracy

0.2%

CT ratio tests

Range

1~40000

Voltage method / current method

Accuracy

0.2%


PT ratio tests

Range

1~40000

Accuracy
0.2%



Phase measurement

Accuracy

5min

Resolving power

0.5min

Secondary winding resistance tests

Range


Accuracy

0.52m



AC load tests

Range

0~1000VA

Accuracy

0.5% 0.05VA

Power supply

AC220V 10 50Hz

work environment

Size & Weight

Size: 425 mm 290 mm 310mm
Weight: 30kg
Jun-05-17
(1.0)
Supplier From Wuhan, Hubei, China

IC parts or electronic components.

Supplier Of Automobile Electrical & Electronic Components   |   Electronic Semi Conductor Devices & Other Components
Dec-15-21
Zinc Oxide Arrester Tester

Zinc Oxide Arrester Tester

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Zinc Oxide   |   Electric Arresters   |   Electric Components   |   Tools & Instruments
 
Product description

The metal oxide arrester tester is used for the measurement and analysis of metal oxide arrester MOA leakage. It is mainly used for measuring the resistive current to analyze the degree of zinc oxide aging and damp. The field charged test shall conform to Electric Power Industry Standard of the People's DL474.5-92 Guide for Insulation Test on Site - Lightning Arrester Tests. The metal oxide arrester tester can be also used for factory and acceptance tests.



Zinc oxide arrester tester Technical Indexes

Range of reference voltage input peak 10V-200V

Measurement range of full leakage current peak 100uA 10mA

Measurement range of resistive current peak 100uA 10mA

Measurement range of capacitive current peak 100uA 10mA

Measurement range of angle 0-90

Power consumption 4W

System measurement accuracy reading 5 5 words not more than 2m for harmonic current

AC power supply AC 220V 10 50Hz 1



Precautions

When measure the reference voltage from PT or the measuring end of the testing transformer, carefully check wiring to avoid the PT secondary or test voltage short circuit.

Be careful not to wrongly connect the current and voltage sampling lines in the connecting process.

In the laboratory experiment, the high voltage power supply cannot use the series excitation testing transformer.
Apr-07-14
(1.3)
Supplier From Wuhan, Hubei, China

Medical apparatus, clock, watch, crafwork package and electronic components, artifical nail, jewellery.

Supplier Of Watches & Clocks   |   Jewellery Items   |   Other Medical Equipments   |   Electric Components
Sep-09-22
Single-Phase Standard Power Supply

Single-Phase Standard Power Supply

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Electric Circuit Breakers   |   Electric Buzzers   |   Electric Panel Meters   |   Electric Fuse Holders   |   Electric Power Supply Components   |   Electric Power Meters   |   Electric Panels & Switch Boards   |   Electric Resistors   |   Electric Insulators   |   Electric Terminals   |   Electric Relays   |   Electric Components   |   Electric Rectifiers   |   Electric Conduits   |   Electric Tapes   |   Electric Testers   |   Electric Sensors
 
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
May-11-21
(1.1)
Supplier From Wuhan, Survive, China

High voltage insulation equipment, transformer tester, circuit breaker, switch tester.Export, research and development

Supplier Of Electric Testers   |   Electronic Transformers

Service Provider Of Research & Development Services   |   Importing/Exporting   |   Electric Circuit Breakers   |   Electric Components   |   Electronic Testers
Mar-11-22
High Voltage Insulation Megohmmeter

High Voltage Insulation Megohmmeter

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Electric Components   |   Electric Panel Meters   |   Electric Power Meters   |   Electric Meter Testing Equipment   |   Capacitors   |   Tools & Instruments
 
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
Dec-10-21
Electrical Equipment

Electrical Equipment

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Electrical Household & Other Goods, Components   |   Electric Power Meters
 
Product description

Electrical equipments in modern industrial, commercial and residential users are more sensitive to power quality, and have a higher requirement of quality of power supply. Currently, harmonics,electromagnetic interference, power factor reduction have been tied to the three hazard of the power system.

When it is interfered or contaminated, grid power quality can t reach the national standards, so it has to be targeted on the grid power quality improvement. To understand the actual situation of power quality, you must have the appropriate equipment to test and analysis the actual situation. Counter the domestic condition, our company developed the professional power quality analysis instrument, which is suitable for the country.



3 phase handheld power quality analyzer Technical index

Input characteristics

Voltage measuring range 0 200V 800V, automatic cutting gear.

Current measurement range

Clamp transformers three types 5A 25A standard

100A 500A optional

400A 2000A optional

Phase angle measuring range 0 359.99

Frequency measurement range: 45 55Hz.

Voltage channels three channel UA UB UC

Current channels three channel IA IB IC

Maximum harmonic analysis times 63 times.

Maximum continuous storage period in 1 minute interval: 18 months.

Accuracy

Measurement of electrical parameters section:

Voltage 0.2%

Frequency 0.01Hz

Current, power 0.5%

Phase 0.2

Power quality section

Fundamental voltage tolerance 0.5% F.S.

Fundamental current tolerance 1% F.S.

Phase between fundamental voltage and current measurement erro0.2
Dec-16-21
Cable Calibration Equipment

Cable Calibration Equipment

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Electric Power Supply Components   |   Tools & Instruments
 
Overview

Cable check and cable, cable lookups are a bit a bit of arbitrary wiring no need to publicly line. It can greatly improve the construction progress, which is a new test tool in on site construction such as electricity, telecommunications, automation control.

The cable calibration equipment is based on the characteristics of foreign new types of wire tools, combined with the actual situation of China, using digital identification technology, making the test work simple and accurate.



Technical parameter

Parameter Display the maximum row of LEDs 1000, the maximum distance of the quilt is 40km 1.5mmmmmmmmma
size Transmitter Size 135 70 24MM Receiver Size 135 70 24mm


Function

The entire instrument consists of a transmitter and a receiver;

There is no need to determine the public line to make it easy to use

Wire recognition, distribution, application to a part of the wire or multi-heeled wire

One item can be identified, if you need to distinguish more wires can measure or use multiple instruments

Can determine whether there is a short circuit or disconnect between the wires
The receiver is also a disconnect detector that can be used to measure whether the wire is turned on

The structure is small and easy to operate.
Dec-16-21
Handheld Network Packet Analyzer

Handheld Network Packet Analyzer

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Tools & Instruments   |   Electric Power Supply Components
 
Overview

The hand held network packet analyzer is a hand-held smart substation optical digital network analyzer. It is a new product that relies on the rich on site debugging experience and user communication in and has been re designed. It is a substation and the daily maintenance, detection, commissioning, monitoring and analysis equipment of manufacturers. With a new test method, a complete feature gives you a new experience of intelligent substation efficient and convenient testing.



Technical parameter

Voltage current output accuracy Voltage current measurement accuracy The AC current is in the range of 0A-10A, error: no more than 0.01
The AC current is in the range of 10A-100kA, error no more than 0.03
Current resolution current is 0.001A in the range of 0A-100KA
The AC voltage is in the range of 0V- 100V, error: no more than 0.01V
The AC voltage is within 100V 1000kV range, error: no more than 0.03
Current resolution: current is 0.001V in the range of 0V-1000kV
Phase output accuracy Phase measurement accuracy The voltage current phase is in the range of 0-359 , the error is not more than 0.001 , the resolution is 0.01
Packet output synchronization Tester Different optical network ports packet output disabled time no more than 1s
UCA consistency test Test through UCA IEC61850, and obtain the test certificate
Dec-17-21
Anti Emulsification Performance Automatic Tester

Anti Emulsification Performance Automatic Tester

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Tools & Instruments   |   Electronic Semi Conductor Devices & Other Components   |   Electric Components   |   Electric Testers   |   Electronic Testers
 
Product description

Anti Emulsification performance automatic tester meets the requirement of GBT 7305-87 and GBT 7605-87, which adopts 32-bit high-performance microprocessor, high definition color touch screen and digital PID control algorithm to achieve high accuracy of temperature control, good repeatability, automatic lifting of stirrer, simultaneous test of four samples, smart storage and convenient check of test result.



Technical index

Temperature measurement Platinum resistance

Water bath temperature 54 Room temperature 100 can be set arbitrarily

Control accuracy 0.1

Stirring speed 1500 15 rmin

Number of cylinders 4

Self-check function Stirring device lifting and rotating

Display High definition color touch screen

Power supply AC 220V 22V

Power 1800VA

Frequency 50Hz 2.5Hz

Ambient temperature 10 35

Ambient humidity 85

Weight about 24kg

Profile size 358mm 302mm 858mm

Anti-emulsification performance automatic tester
Dec-17-21
Transformer Oil BDV Tester Single Cup

Transformer Oil Bdv Tester Single Cup

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Electric Testers   |   Electric Components   |   Electronic Semi Conductor Devices & Other Components   |   Tools & Instruments
 
Overview

In the power system factories and enterprises have a large number of electrical equipment. Most of its internal insulation is oil-filled insulation type. Dielectric strength test of insulating oil is a necessary routine test item. In order to adapt to the rapid development of the power industry our company is the first in China to develop a fully automatic oil dielectric strength test system. This series of products according to the latest national standard GB t507-2002 the power industry standard dl429.9-91 and the latest power industry standard DL t846.7-2004 design and manufacture using microcomputer control mechanical and electrical integration of all automation high test accuracy greatly improve the work efficiency but also greatly reduce the labor intensity of the staff. It is agreed that this series of products is the ideal insulation oil voltage test equipment in China.



Specification

Technical Parameters
Power supply voltage AC 220V22V
Power frequency 50Hz 2.5Hz
Work rate 200W
output voltage 0-80kV
Booster capacity 1.5kVA
Booster speed 2.0 2.5 3.0 3.5kV s adjustable
Total voltage distortion 3
Installation dimensions 470 390 420mm3
Weight 40kg
Conditions of Use
Environment temperature 40
Relative humidity 80
Capacity of the oil cup 200ml
Distance between the electrodes 2.5mm
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