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Meters -3 Phase
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Functions:
1-4 fee rates, 1-10 time periods per day, 1-10 time zones per year, 1-2 holidays per week, public holiday schedules for 10 years.
Measuring the active and reactive total and each rate electrical energy, maximum demand and the time occurred, total and each rate energy of 1-4 quadrants.
Record the cumulative time, times of each phase broken, the active, reactive cumulative energy in phase broken period, starting and ending time of the latest, broken and the latest 64 times of power-off.
Record the load curve in load representative day mode and load curve record mode, the interval can be
setted.
LCD display.
Four displays mode: pause, cycle, query and continuous display, the display content, sequence and interval period can be choose.
Programming and reading the meter by PR 300 infrared meter-reading unit and hand-hold unit, and RS-485 port to remote meter-reading and programming, support the electrical energy broadcast frozen instructions by RS-485 field bus.
Record the reset times, time and cumulative programming times, the latest programming time and unit code of programming.
Communication protocol is jinque protocol, which meet the requirements of DL/T 645-1997 (States standard referred IEC 1107) , and can be set to be compatible with all sorts of protocols.
Pulse output is 3 or 4 optical coupling, each can be set to output different content individually
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Technical Specification:
Standard: DL/T 614-1997 (states standard, referred IEC1107);
Clock error: ¡Ü0.5S/d (20¡À3);
Work temperature: -20¡æ -50¡æ, limit: -20¡æ -70¡æ;
Power losses: < 5VA;
Backup lithium life: > 10 years, continuous work life: ¡Ý3 years;
Product life: 15 years;
485 port output: 2 wire, factory set is 1200bps, user can set 2400bps, 4800bps, 9600bps;
Pulse output optical coupling voltage: 5-24V, DC, load current: 10-20MA pulse width: 80MS;
Size: 265mm ¡Á 168mm ¡Á 62mm;
Weight: about 1.5Kg. |
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