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TEL 86-10-63997080
Address: Beijing,China
TEL: 86-10-63997080
FAX: 86-10-63997980
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Single-phase Keyboard Prepayment meter DDSY089
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Model: DDSY089
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Features
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★ Single-phase key-board pre-paid meter DDSY089 is a new-type meter
with the pre-paid function. When a user buys electricity, the vending shop will provide the user with
a string of encrypted digital code (named as “TOKEN”) which contains the
information of electricity bought. The user then enter TOKEN via the meter's
key-board. After the meter decrypts the TOKEN, the electricity bought can be
input into the meter. In this way, the user finishes recharging the
meter.
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★ The data transmissions protocol of
DDSY089 complies with IEC62055-41. All performance indicators comply with the
technical requirements of CL1.0 and CL2.0 active energy pre-paid meter under
IEC62056-31.
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Functions
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★ Active energy measurement;
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★ Adopt 20-digit token as data
transmission media,prepayment control function;
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★ Accumulative total energy at 0.01
kWh as per unit;
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★ Display the real-time current and
voltage;
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★ LCD display with backlight;
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★ Low energy alarm to remind you to
purchase energy;
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★ Relay control the phase circuits;
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★ Infrared communication for data
transmission and parameter setting;
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★ Event record function (including
cover opening event, tamper event and power failure event, etc.)
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★ Anti-tampering features (including
opening cover, short circuited, current injection, reverse wiring, etc.)
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Details
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Technical parameters
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Reference
voltage
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230V
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Reference
current
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10(80)A
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Reference
frequency
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50Hz
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Class
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CL1.0
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Normal
operating temperature
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-20℃～+60℃
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Limit
operating temperature
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-25℃～+70℃
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Relative
humidity
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≦75%
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Size
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215mm X 143mm X 82mm
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