Home > Products > combiner box monitoring > Voltage Measurement 50-1200V DC 12 String use in Array Pv Solar Combiner Box Monitor Device With Built-in Hall Effect Ct
Voltage Measurement 50-1200V DC 12 String use in Array Pv Solar Combiner Box Monitor Device With Built-in Hall Effect Ct
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Product Description
Products Description
Photovoltaic Combiner Box Monitor, DK818-24, is specially applied to intelligence PV junction box for monitoring the operating status of the PV cells, measuring the current and voltage of the PV cells, collecting status of Surge protection Device (SPD) and DC breaker. Current measurement uses Hall Effect to collect data, which are isolated collection and threaded installation to increase reliability of junction box. This device can not only displays measured and collected data and status of device, but also can connects industrial equipments and computers through RS485 interface to constitute a measurement and control system.
Technical parameter
Model | DK818-20 |
Application | Smart Photovoltaic Confluence Monitoring Device |
DC Voltage | 1 channel, 50-1200V DC |
DC Current | 1-16 channel forward and reverse DC0-20A, PV current detection, total current |
DC Power | 1-16 channel forward and reverse power |
Communication | 1 channel RS485 communication port, MODBUS-RTU communication protocol, can be connected to the PC monitoring system. |
Temperature Measurement | 1 internal environmental temperature, range: -55 to +125 ℃ |
Display | 6 digits nixie tube, power save mode after 5 min. without any operating, press any key to normal mode |
Remote Signaling | 2 digital input |
Parameters Setting | The following parameters can be set by buttons: 1. Device address. 2. Communication rate. 3. Parity bit. |
Size | 343mm×30mm×65mm (L ×W×H) |
Auxiliary Power Supply | DC 5V (Range: 4.90~5.10V) |
Power Consumption | < 5 W |
Communication | RS485 Modbus RTU protocol |
Communication Speed | 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 (unit: bps) changeable |
Communication Verify | Can be set (0: none, 1: 1stopBit odd, 2: 1stopBit even) |
Communication Medium | 1.0 square shielded twisted pair, 1200 m communication distance, the maximum nodes: 128 |
Digital Input | Passive dry node |
# of Input Voltage | 1 |
Range of Voltage Measurement | 50 – 1200 V DC |
# of Input Circuits | 16 |
Range of Input Current | 0 – 20A |
Measurement Accuracy | Voltage, Current : 1% FS (25℃) |
Temperature Coefficient | 250ppm/K |
Working Temp. | -35 ~70℃ |
Storage Temp. | -40 ~ 80℃ |
Relative Humidity | 5% - 95% Non-Condensing |
Response Time | 1 s |
Protection Level | Whole device IP30 |
Altitude | ≤3000 m, special order for over 3000m |
Insulation Resistance | ≥100MΩ |
The State of Switch Input Wiring Diagram
The input of this device is passive node, and the device supply power for itself so that no external power is need. Connect the
passive dry contact of the outside device to the input of the switch via the common node when wiring.
passive dry contact of the outside device to the input of the switch via the common node when wiring.
Dimension and Installation
Company Profile
LABORATORY AND TESTING
◆Strict screening and assessment of raw material suppliers, screening and inspection before storage
◆Automatic machine + manual double inspection before products are shipped, to ensure product consistency
Packing & Delivery
FAQ
Q1:who are we?
A1:We are based in Guangxi, China, start from 1989,sell to Oceania(25.00%),Western Europe(10.00%),EasternAsia(10.00%),Mid East(10.00%),Domestic Market(10.00%),Southeast Asia(10.00%),Eastern Europe(10.00%),South America(10.00%),NorthAmerica(5.00%).
Q4:Could I have a sample or small order first for testing?
A4:Of course, sample order and small order are acceptable, especially for new customers under certain condition.
Q5: Is there a discount for larger orders?
There are total about 101-200 people in our office.
Q2:Which certificate do you have for your equipment?
A2:Wehave established a complete quality management, supply chain and after-sales service system. Continuously introduce 6S international advanced concepts in management, and have successively passed ISO9001,CNAS National Laboratory, CQC certification,CE certification, Rohs certification.
Q3:how can we guarantee quality?
A3:Strict screening and assessment of raw material suppliers, screening and inspection before storage Always a pre-production sample before mass production; Automatic machine +manual double inspection before products are shipped, to ensure product consistency.
Q4:Could I have a sample or small order first for testing?
A4:Of course, sample order and small order are acceptable, especially for new customers under certain condition.
Q5: Is there a discount for larger orders?
A5: For new customers, there is a small discount, but when the value of the order is increased, we will provide a larger discount.For previous customers, we are happy to provide a discount for your loyalty.
Q6:what can you buy from us?
Q6:what can you buy from us?
A6:Surge Protector,Lightning Rod,PV Supporting Equipments,power cord,signal protection
Q7:why should you buy from us not from us not from other suppliers?
A7:Guangxi Dikai Sci & Tech Co., Ltd.has been specialized in producing lightning protective products, researching development of lightning protective technology, consulting lightning protection service, and engineering lightning protection cases for 30 years.
Q8.what services can we provide?
A8:Accepted Delivery Terms:FOB,CIF,EXW,Express Delivery； Accepted Payment Currency:USD,EUR,CNY; Accepted Payment Type: T/T,L/C,Western Union,Cash; Language Spoken:English,Chinese,Spanish.
Q9.Can I only buy some spare parts from you?
A9:Of course, we can sell everything from spare parts to finished products.
Q10.Can you can design the equipment according to our size?
A10:Of course, we can customize any product according to customer requirements, and we can all provide design solutions and solutions.
Should you have any questions, please do not hesitate to contact us.
Contact Us
- Guangxi Dikai Sci & Tech Co., Ltd.
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