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Top Supplier Cities : Shenzhen   Guangzhou   -  
Aug-17-09
Crystal oscillators

Crystal Oscillators

(1.3)
Ask for price
MOQ: Not Specified
  Tgs Crystals Ltd.
Supplier From Wuhan, Hubei, China
Supplier Of Electronic Oscillator
 
Tgs p/n com75 ( smd osc 0705)

Dim.(mm) 7.0x5.0x 1.75

Frequency 500khz~ 125mhz

Main features:
Stab.: G¦25ppm to G¦100ppm
Supply voltage: 5.0v or 3.0v
Output logic: ttl and cmos
Rise and fall time: 6ns max.
Symmetry: 45/55%
Start-up time: 10ms max.
Jul-27-16
(1.0)
Supplier From Wuhan, China

Integrated circuit, modules, active & passive components.

Supplier Of Automobile Electrical & Electronic Components   |   Integrated Circuits
Mar-25-21
(1.3)
Supplier From Wuhan, Hubei, China

Gas analyzer, natural gas analyzer, best natural gas detector.

Supplier Of Gas Analyzers   |   Electronic Sensors
Mar-16-22
(1.1)
Supplier From Wuhan, Hubei, China

Gas Sensor, Automotive Sensor.

Supplier Of Electric Sensors   |   Electronic Sensors
Dec-04-08
(1.3)
Supplier From Wuhan, Hubei, China

Electronic ballast, LED grow light, PAR lamp.

Supplier Of Electronic Ballast   |   Decorative Lights & Lamps
119 Electronic Semi Conductor Devices Other Components Suppliers
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Jan-02-25
(1.0)
Supplier From Wuhan, Hubei, China

High Voltage Tester..

Supplier Of Electronic Testers   |   Electric Testers
Apr-07-21
(1.1)
Supplier From Wuhan, Hubei, China

Chips, Lcd Screen, Circuit Board Etc..

Supplier Of Touch Screen/LCD Monitors   |   Projectors, Projector Screens & Accessories   |   Electronic Chips   |   PCB
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
Sep-01-22
Transformer Standard Current Transformer

Transformer Standard Current Transformer

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

Transformer Standard current transformer are also called precision current transformers, current transformer standards, standard CT and current transformer standards. Transformer standards are divided into current transformer standards and voltage transformer standards. Standard current transformers are used in the error test of transformers. Used as a current transformer calibration standard



technical parameter

1. Temperature:

2. Relative humidity

3. Rated Primary Current:5-5000A 5A,1A

4.Rated secondary current:5 1A

5 Accuracy Class 0.05S

6. Allow long-term work under the rated current; More than120A across the core.



Precautions:

1. The current of standard CT and tested CT must be the same in CT calibration.

2. Follow the given wiring diagram strictly.

3. Test whether the load box is accurate or not before calibrating the transformer.

4. Forbid secondary winding opening during the calibration.

5. Select demagnetization before calibration.The wiring diagram is shown in figure 5.

Short out the secondary winding before cutting off the power when the demagnetization is finished.

6.Principle wiring diagram of CT with large current generator is similar to above diagram. They are the same except the output winding of large current generator and primary winding of transformer are the same one.
Dec-10-21
Transformers

Transformers

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Electric Transformers   |   Electronic Transformers
 
Product Introduction
Capacitive voltage transformer (CVT) in calibration the test must be conducted under the condition of 50Hz frequency complex geographical condition on site at the same time the traditional experiment device is difficult to meet the requirements of on-site handling testing series resonance booster device is first used in domestic field tunable resonance device has been widely used in domestic 500 kv and below the field calibration of capacitor voltage transformer.



Product Parameters
Technical parameters
Rated Capacity 80kVA
rated voltage 160kV
Adjustable inductance range 65~130H
Rated frequency 50Hz
Rated current 0.5A
Adjustable gap range 0~300mm
Dec-03-21
Current Transformer

Current Transformer

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

Transformer Standard current transformer are also called precision current transformers, current transformer standards, standard CT and current transformer standards. Transformer standards are divided into current transformer standards and voltage transformer standards. Standard current transformers are used in the error test of transformers. Used as a current transformer calibration standard



technical parameter

Temperature -5 40

Relative humidity 80%

Rated Primary Current 5-5000A 5A,1A

Rated secondary current 5A 1A

Accuracy Class 0.05S
Allow long-term work under the rated current; More than120A across the core.



Precautions

The current of standard CT and tested CT must be the same in CT calibration.

Follow the given wiring diagram strictly.

Test whether the load box is accurate or not before calibrating the transformer.

Forbid secondary winding opening during the calibration.

Select demagnetization before calibration.The wiring diagram is shown in figure 5.

Short out the secondary winding before cutting off the power when the demagnetization is finished.

Principle wiring diagram of CT with large current generator is similar to above diagram. They are the same except the output winding of large current generator and primary winding of transformer are the same one.
Aug-05-22
Lightening Protection Components Tester

Lightening Protection Components Tester

(1.1)
$770 - $15.40K
MOQ: Not Specified
  Wuhan GDMK Electric Co., Ltd.
Supplier From Wuhan, Survive, China
Supplier Of Electronic Testers   |   Battery Testers & Chargers   |   Tools & Instruments
 
Product Introduction:
Lightning Protection Element Tester is suitable for testing the DC parameters of over-voltage protection components such as zinc oxide surge arresters (varistor) cermet two three-electrode discharge tubes and vacuum lightning arresters.


Product Parameters:

Varistor measurement
Technical index Measuring range Maximum error Test Conditions
Apr-15-19
(1.1)
Supplier From Wuhan, Hubei, China

Optical passive products such as optical fiber patchcord, pigtail, connector, adapter, attenuator.

Supplier Of Electric Connectors   |   Optical Fiber Cables   |   Electronic Connectors   |   Adaptors
May-09-20
(1.1)
Supplier From Wuhan, Hubei, China

FTTH equipment - fiber optic splitter, connector, attenuator, adapter & isolator..

Supplier Of Electric Switches & Isolators   |   Electronic Connectors   |   Electric Connectors   |   Adaptors   |   Optical Fiber Cables   |   DAP (Diammonium Phosphate)
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
Mar-12-19
(1.1)
Supplier From Wuhan, Hubei Province, China

Auto parts, oil pressure sensor, fuel level sensor, speed sensor, temperature sensor.

Supplier Of Auto Rickshaw & Spare Parts   |   Fuel Saving Devices   |   Electric Sensors   |   Electronic Sensors   |   Temperature Controllers & Indicators
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
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
Apr-21-23
(1.0)
Supplier From Wuhan, China

Printed Circuit Board.

Supplier Of Electric Components   |   Integrated Circuits
Feb-10-06
(1.3)
Supplier From Wuhan, Hubei, China

High capacity mobile telephone lithium battery, reserve energy emergency charger.

Supplier Of Mobile Phone Batteries & Chargers   |   Electronic Batteries   |   Lithium
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