DDSH type RS485 multi-user prepaid electricity meter
DDSH1831 Multi User Prepaid Energy Meter
● Product model
DDSH1831-78- □ S+□ D RS485 networking type
DDSH1831-79- □ S+□ D RS485 networking+built-in card swiping type
● Product Overview
The DDSH1831 multi-user prepaid networked energy meter realizes the function of purchasing electricity first, using electricity later, and automatically cutting off power when there is no charge through the RS485 bus, which greatly facilitates property management, effectively prevents theft and leakage behavior, and solves the problem of difficult charging. It is an ideal product for electricity measurement and control in enterprises, urban residential areas, old building electricity meter renovation, high-rise buildings, etc.
● Technical indicators
project |
TECHNICAL INDEX |
working voltage |
3×220/380V |
Calibration current |
10(50)A 15(60)A |
Accuracy level |
Level 1.0, Level 2.0 |
Measurement division |
0.1 degrees |
Pulse constant |
3200imp/kW.h |
operation temperature |
-25℃~+55℃ |
Cross sectional area of outgoing terminal wire |
≤ 10 square meters |
Meter size |
Single phase (1-15 households): 426*283*135mm |
Single phase (16-24 households): 461*283*135mm |
|
Single phase (25-27 households): 470*440*135mm |
|
Single phase (28-39 households): 621*440*135mm |
Main features:
The incoming line of the electric meter adopts a three-phase four wire incoming line.
The outgoing line of the electric meter can be single-phase, three-phase, or a mixture of single-phase and three-phase.
The wiring terminals of the electric meter are all double screw crimped to ensure safe and reliable crimping.
The electric meter adopts a magnetic holding relay as the on/off switch, which has strong overload capacity, sensitive and reliable action.
★ The electric meter has high accuracy, strong overload capacity, stable performance, and low self power consumption.
The electricity meter displays the user number and remaining power of each household in a loop, with a loop time of 3 seconds per household.
★ RS485 prepaid function: The universal computer remote system of the electricity meter realizes the function of buying electricity first, using electricity later, and automatically cutting off power when the electricity is used up.
★ 485 remote power on/off function: functions such as querying, meter reading, and controlling power outages can be achieved through a remote computer.
★ Overload control function: When the load exceeds the internal set value of the meter, the meter will automatically cut off power; When it is less than the set value, it will automatically restore power in about 5 minutes.
★ SMS reminder function: When the remaining power of the electricity meter reaches the set value, the computer meter reading system will automatically send a message to the user's mobile phone to remind them to purchase electricity as soon as possible.
★ WeChat Pay function: Users can use mobile app software to access mobile phone queries, purchase electricity, and other functions (optional).