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MFM383A-C-CE

Economic Mutifunction Meter


LCD multifunction meter with RS485 communication,100 to 240V AC

Display Specifications
Display3 rows, LCD with Backlight Lowest 7? digit for energy display
Digits4
Input Specifications
Electrical Connection 3? - 3 wire, 3? - 4 wire, 2? - 3 wire, 1? - 2 wire
Input Voltage 11 to 300V AC (L - N)
19 to 519V AC (L - L)
Input Current Nominal 5A AC (Min - 11mA, Max - 6A)
Measurement Range 99999999
Frequency 45 to 65Hz
Power Consumption 8VA max
Display Reset Programmable (For energy)
Resolution For energy : 0.1k, 1k
(depending upon CT ratio x PT ratio)
For Power, Voltage,
Current : Auto Resolution
For Power Factor : 0.001
Accuracy Voltage (L - N / L - L) : ?0.5% of F.S.
Current : ?0.5% of F.S.
Power Factor : ?0.01
Frequency : ?0.1% For L - N Voltage >20V
For L - L Voltage >35V
Power (Active, Reactive, Apparent) : 1%
Energy (Active, Reactive, Apparent) : Class 1
Memory Retention 10 years (For energy)
Measuring Parameters s Voltage (L - L / L - N) (Individual / Average),
Current (Individual / Average),
Frequency, Power Factor (Individual / Total),
Active, Reactive & Apparent Power (Individual /
Total), Active, Reactive & Apparent Energy (Total)
Output Specifications
Pulse Output Voltage Range : External 24V DC
Current Capacity : 100mA max
Pulse Width : 100ms ?5ms
Communication Interface and Protocol RS485 and MODBUS RTU
Communication Address 1 to 255
Transmission Mode Half duplex
Transmission Distance 500 meter maximum
Transmission Speed 300, 600, 1200, 2400, 4800, 9600, 19200 (in bps)
Parity None, Odd, Even
Stop Bits 1 or 2
Response Time 100ms (max and independent of baud rate)
Supply Specifications
Supply Voltage 100 to 240V AC, -15% to +12%, 50 / 60 Hz (?5%)
Settable Parameters
CT Primary 1 / 5A to 10kA (Programmable for any value)
CT Secondary 1 / 5A (External CT must be connected for current more than 5A)
PT Primary 100V to 500kV (Programmable for any value)
PT Secondary 100V to 500V AC (L - L) (Programmable for any value)
Environmental Specifications
Temperature Operating : -10 to 55 C
Storage : -20 to 75 C
Humidity (non - condensing) Upto 85% RH
Mechanical Specifications
Mounting Panel
Weight 310gms
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Country of origin: INDIA
HS CODE:90303390