High Accuracy Portable DC Grounding Positioning Alarm Device
Wuhan GDZX Power Equipment Co., Ltd.- After-sales Service：Provided
- Warranty：1 Year
- Net Weight：8kg
- Atmosphere pressure：80-110KPA
- DC system voltage level：220VDC,110VDC,48VDC,24VDC
- Working voltage：AC,DC 85-265V
Base Info
- Model NO.：ZX-JXPDF
- Ripple measuring range：0-100V
- Communication interface：RS232, RS485
- Relay contact current：DC220V,3A
- Relay operation alarm time：Less than or equal to 2 seconds
- Weight：Less than or equal to 8Kg
- Dimension：360*135*280mm
- Sampling unit dimension：155*95*43mm
- Transport Package：Carton
- Specification：360*135*28mm
- Trademark：GDZX
- Origin：China
- HS Code：9030899090
- Production Capacity：50PCS,Month
Description
ZX-JXPDF DC grounding positioning alarm device is a technological innovation and improvement based on the original products. The measurement accuracy and anti capacitance interference ability of the device are improved. The adaptability of performance indicators, the convenience of debugging and the reliability of operation are at a high level in China. The device uses the technology of signal phase locking, correction and tracking building block structure to fundamentally solve the disadvantages of incomplete judgment data and inaccurate line selection. It is widely used in power plants and substations in electric power, petrochemical, metallurgy, post and telecommunications, railway and other industries. Technical Indicators
| 1. Environment application: | temperature -10ºC~+55ºC, humidity ≤90% |
| 2. Atmosphere pressure: | 80-110KPA |
| 3. DC system voltage level: | 220Vdc, 110Vdc, 48Vdc, 24Vdc |
| 4. Working voltage: | AC/DC 85-265v |
| 5. Bus sections: | 2 pcs |
| 6. Relay contact current: | DC220V/3A |
| 7. Bus voltage measuring accuracy: | ±0.5% |
| 8. Bus insulation resistance measuring accuracy: | 0-5KΩ error 0.1KΩ, 5-50KΩ error≤5%, 50-100KΩ error≤10% |
| 9. Relay operation alarm time: | ≤2 seconds |
| 10. Branch insulation resistance accuracy: | 0.5-10KΩ error ≤15%, 10-25KΩ error ≤20% |
| 11. AC sneaking-in voltage measuring range: | 0-300V |
| 12. AC sneaking in voltage measuring accuracy: | ≤1% |
| 13. Ripple measuring range: | 0-100V |
| 14. Ripple measuring accuracy: | >1% |
| 15. Instrument power dissipation: | ≤30W |
| 16. Weight: | ≤8Kg |
| 17. Dimension: | 360*135*280mm |
| 18. Sampling unit dimension: | 155*95*43mm |
PACKING AND SHIPPING
(1)We will ship products within 8-20 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.
Company introduction
Test cases
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.
* 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.
Features
1. Cortex-M3 STM32 as Master chip, high integration high anti-interference ability, high running speed, low power dissipation
2.Menu operation with humanization design
3. All relative parameters can be set via menu, alarms all through sound and light output or relative dry contact output
4. Can accurately measure DC voltage, module state, insulation, can discriminate bus grounding and branch grounding, can display grounding resistance, and detect grounding fault in two or more branches.
5. Can test and monitor all branches grounding
6. Can make circle test of all the branches, or select one branch to test
7. Store and display the latest 5 times bus insulation warning records
8. Can test two sections bus ripple voltage and ripple coefficient
9. No consistence request or direction request to CT polarity
10. RS485 interface technology for signal sampling make the effective transmission distance reaches 1000 meters
11. With RS232, RS485 communication interface for connecting with external equipment
12. With 100M Ethernet interface
13. Fast branch testing
14. Can set AC sneaking in alarm threshold ( AC RMS)
15. Using real-time tracking information zero processing technology to realize AC signal sneaking into DC fault test and alarm
16. Color screen with LCD self-protection function
17. With simple multi-machine connection function for complicated multilevel DC system
18. Can real time measure power ripple, voltage, ripple coefficient in all ranges. It also can effectively record the AC content in DC power source.