single phase two wire smart digital keypad infrared RF prepaid electricity energy meter

Product Description
Single Phase Prepayment Keypad Electricity Meter

The DDSY986 is used for a wide rang of applications, due to an improved dynamic range allowing a basic current of 5 Amp while retaining a maximum current of 80 Amp and extended functional features. It is a compact and keypad-based design in a BS8565 standard housing and maintains the rugged RF immunity withstand of 30V/m and IP54 rating, allowing it to be installed in harsh environments.

Specification
Nominal voltage Un
230V
Limited voltage
70%~120%Un
Nominal frequency fn
50-60Hz
Basic current(Ib)
5A
Maximum current(Imax)
80A
Starting current(Ist)
20mA
Active energy constant
1600imp/kWh
Measurement Accuracy
Class1.0
Power consumption in Voltage circuit
<2W <8VA
Power consumption in current circuit
<1VA
operating  temperature
-25℃ to+70℃
AC Insulation strength
4kV at 50Hz during 1min
Impulse voltage 1.2/50 μs mains connections
8kV
Contact discharge
8kV
Air discharge
16kV
Meter shell Protection Rate
IP54
Insulation System Classification
Protective Class II
Maximum cable size
8 mm
Main Features
 ●20 digit (Standard Transfer Specification) STS encryption●Detection of significant reverse energy (SRE) ●IEC62056-21 compliant optical & RS485 port allowing for easy data interrogation●Disconnects on overload and no credit
●Prepayment and credit mode hot swap 
●Programmable load limit and low credit warning
●Detection and record tamper event such as opening cover, reverse connection, black-out 
●Easy access to 12 months historical consumption data and last 5 token entered 


AMR/AMI Smart Metering Function (on request) 
Easy connection to User Interface Unit (UIU) for split type applications 
PLC/ RF / GPRS communication with a head-end AMR/AMI server 
 Time of Use (TOU) , multi-tariff, holiday setting.Advanced load control and disconnection features

FAQ
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PET Bottle Making Machine is suitable for producing PET plastic containers and bottles in all shapes.
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Semi-Automatic PET Bottle Blowing Machine Bottle Making Machine Bottle Moulding MachinePET Bottle Making Machine is suitable for producing PET plastic containers and bottles in all shapes.