SJC-7 Digital Display Insulator Tester
Digital Display Insulator Tester For Field Test Of Insulation Resistance Of Transmission Line
It can also be used as a general megohm meter to measure the insulation strength of other high-voltage electrical equipment. It is suitable for power, agricultural power, water conservancy and other departments with power transmission lines, as well as industrial and mining enterprises that produce and use various high-voltage electrical equipment.

Product advantages
● This instrument is small in size and light in weight.
● High voltage electricity is formed by electronic circuits and powered by batteries.
● Digital display, accurate, stable and intuitive measurement.

Features
1. Small size and light weight.
2. The high voltage output of the instrument is formed by electronic circuit and powered by battery. When measuring, only one person needs to operate with one hand, which is simple and convenient, and there is no need to shake the generator like a megger.
3. Digital display, accurate, stable and intuitive measurement.

Technical Indicators
1. Measured voltage: | about 5000V |
2. Range: | 0~1999MΩ |
3. Resolution: | 1MΩ |
4. Basic error: | ± 10% |
5. Power supply: | four No.7 dry batteries, 6V DC |
6. Weight: | 350g |
7. Ambient temperature: | -10℃~+50℃ |
8. Ambient humidity: | ≤ 95% |
9. Overall dimension: | 30*70*185mm |
Test cases



Company introduction
Wuhan GDZX Power Equipment Co.,Ltd.is a manufacturer of power test equipment, integrating design, production and sales, providing complete solutions for high-voltage testing and electrical testing services for various power users.The main products include:AC series resonance test device, high voltage test equipment, transformer test equipment, secondary protection / switch test equipment, cable fault tester, arrester test equipment, power metering equipment, standard source series and so on. There are many kinds of products and complete models.
Service and Warranty
Service
* Provide professional consulting service; dedicated salesman and professional technical engineer to answer customer questions.
* Ensure customer get the detailed information about the product in hand.
* Reasonable price, we trust our customers should get the worth what they paid. Quotation stamped and confirmed by Manager.
* Welcome customers visit.
* The contract and the technical agreement to sign by both parties.
* Being trustworthy, follow the requirements and ensure successful implementation of signed contracts and technical agreements.
* Focus on communication, actively communicate with users, take notes of user’s questions and schedule, provide the necessary technical support.
* Move quick and efficient, professional on delivery, installation, debugging, training and others.
Warranty
* We maintains 100% customer satisfaction, please give us feedback if you fell anything wrong with the product, we will make it right for you.
* Our products are guaranteed with one year warranty and life-long tech support.
* Provide solutions within 24 hours when there is problems feedback from customer.
PACKING AND SHIPPING
(1)We will ship products within 5-20 working days after the receipt of confirmation of your payment.
(2)All products will be well packed by robust carton or wooden box so as to ensure goods can arrive safely.
(3)Multiple shipping methods including express, sea freight, railway and so on for your choice, competitive shipping method will be advised to you.
(4)If you go with your own forwarder, we will provide all necessary documents for customs clearance.
(5)After shipping, we will remain attentive till goods well received.
If you need detailed specification, please feel free to contact us.