performancecharacteristic
¡High precision measurement of active and reactive energy
¡Connection method of current transformer with current measurement
¡Wide temperature typeLCDDisplay, instrument parameters can be remotely set through the display panel or computer
¡Programmable current and voltage conversion ratio
¡supportRS-485Communication,Modbus-RTUagreement
¡Support meritorious service/Reactive power pulse output
¡Easy installation, simple wiring, and small engineering quantity
¡Wide range AC/DC universal power supply:AC/DC80V~270V
Product standards
¡GB/T 17215.321-2008 AC measuring equipment special requirements auxiliary word for ordinal numbers21Part: Static active energy meter(1Level and2level)
¡GB/T17215.322-2008Special Requirements for AC Measurement Equipment22Part: Static active energy meter(0.2SLevel and0.5Slevel)
¡GB/T 17215.323-2008 AC measuring equipment special requirements auxiliary word for ordinal numbers23Part: Static typenot haveElectric energy meter(2Level and3level)
Type Designation
TECHNICAL INDEX
measurement accuracy | |
active electrical energy |
0.5SGrade or1level |
reactive energy |
2level |
electric current |
0.5level |
INPUT | |
rated voltage |
AC 220V,AC 3×57.7/100V,AC 3×100V,AC 3×220/380V |
Rated current |
1.5(6)A |
Overload |
Voltage:1.2times(sustain),2times/1second(instantaneous) electric current:1.2times(sustain),10times/5second(instantaneous) |
power consumption |
Voltage:<0.5VA(each other) electric current:<0.4VA(each other) |
frequency |
45~65Hz |
Auxiliary power supply | |
scope of work |
AC/DC:80V~270V |
power consumption |
<4VA |
functional module | |
communication interface |
support1roadRS-485Communication,Modbus-RTUagreement Baud rate:2400~19200bps, default9600bps |
Electric pulse output |
support2Pulse output of road electrical energy |
environment | |
operation temperature |
-20℃~+60℃ |
storage temperature |
-40℃~+70℃ |
relative humidity |
≤95%In non corrosive gas environments |
altitude |
≤2500m |
External dimensions | |
Frame size(mm) |
96×48;96×96 |
Hole size(mm) |
91×44; 91×91 |
Function selection
Model Function |
Number of phases |
electric current |
meritorious metering |
Reactive power metering |
pulse output |
communication interface |
holesize (mm) |
JD-101 |
single phase |
√ |
√ |
— |
1 |
1 |
91×44 |
JD-301 |
three-phase |
√ |
√ |
— |
1 |
1 |
91×91 |
JD-302 |
three-phase |
√ |
— |
√ |
1 |
1 |
|
JD-303 |
three-phase |
√ |
√ |
√ |
2 |
1 |
Specification List
specifications |
Pulse constant |
Connection |
|
voltage |
electric current |
||
220V |
1.5(6)A |
12000imp/kWh |
Single phase (connected through current transformer) |
3×57.7/100V |
1.5(6)A |
20000imp/kWh |
Three phase four wire (connected through current and voltage transformers) |
3×100V |
1.5(6)A |
20000imp/kWh |
Three phase three wire (connected through current and voltage transformers) |
3×220/380V |
1.5(6)A |
6400imp/kWh |
Three phase four wire (connected through current transformer) |