GPRS communication Single Phase Keypad Prepaid Energy meter
USD $30.00 - $42.00 /Piece
Min.Order:10 Pieces
Shenzhen Vlinstar Electronic Technology Co., Ltd.
GPRS Communication Single Phase Keypad
Prepaid Energy meter
Main Features
Total and time-sharing forward active & reactive energy measurement
Total and time-sharing reverse active & reactive energy measurement
Save last one to sixteen months energy data
Credit data transfered from a point of sale (POS) or vending system is made into a numeric token in a 20 digit number using the Standard Transfer Specification (STS) encryption techniques, which comply with IEC62055 protocol
When the residual energy is 0 or the allowable overdraft that both sides agreed, this meter will send out power-off signal to have load switch cut off power. The power will be recovered automatically after inputting new purchased energy amount.
The meter can be programmed for setting user credit warning threshold, When the meter’s residual energy is equal to credit warning threshold, the meter will start the audio & video warning function in a way of warning light flashing
With event recording function (including cover-opening event, tamper event and power failure event)
Support IEC62056-21 protocol, 1200bps for communication
Support IEC62056(DLMS/COSEM) protocol, 2400bps for communication
Number of digits value field Up to 8, Digit size 4x10mm
GPRS module:EGSM900/DCS1800 dual-band, support GSM/GPRS phase2/2+ protocol
PLC module: according to Technology Standards of SSC163X ,center frequency 270K, FSK modulate technolgy