DR9 Series high accuracy 3phase multifunction power recorder, 3.5
inch TFT color LCD display, RS485, Modbus-RTU protocol
1. Features and advantages:
a). 3.5 inch 320*340 TFT color LCD display, freely switch between
English and Chinese.
b). Measuring 3 phase true RMS voltage , ampere , frequency, active
power ,reactive power , power factor,active KWH, reactive KWH, etc.
c). The voltage , ampere , active power , reactive power , power
factor,active KWH,reactive KWH, frequency are real-time recorded
and curve displayed, storaged as various table.
d). 8M flash memory inner side of the meter for data storage ,
support SD card and USB storage. RS485 communication port is
available, support MODBUS-RTU protocol.
e). Widely used in low and medium voltage distribution cabinet,
industrial automation, intelligent switch cabinet, building
automation, energy management system, etc.
2. Model specification:
3. Technical parameter:
| Input signal | Input voltage | 3*100V/57.7V 3*380V/220V Power consumption per phase<1VA |
| Voltage impedance | ≥300KΩ |
| Input current | 3*5A(1A can be ordered) Power consumption per phase<0.4VA |
| Current impedance | ＜20mΩ |
| Rated frequency | 50Hz,60Hz |
| Accuracy | Active power:level 1.0;
Reactive power:level 2;
Voltage & current:0.5%FS
Frequency:±0.1Hz |
| Measurement range | Current:0.001In～1.2In
Voltage:0.01～1.1Un |
| Electrical parameter | Relay capacity | AC 250V 5A DC 24V 5A(Resistive load) |
| Analog output | DC 4～20mA with load＜400Ω |
| Display device | Industrail Grade TFT LCD display |
| Clock accuracy | 0.5S/d |
| Communiction | Communication port | RS485 port Modbus RTU protocol or DLT645 protocol |
| Baud rate | 4.8kbps,9.6kbps |
| EMC | ESD | level 3,Contact discharge±6000V, air discharge±8000V |
| Pulse group | level 4 ±4000Vp-p |
| Frequency drop | level 3 |
| Lightning surge | level 3,line to ground:±4000V;line to line ±2000V |
| Environment | Working environment | -25～55℃ 5～95%RH(no condensation) |
| Storage environment | -40～70℃ |
4. Appearance and installation dimensions:
5. Connections:
6. Contact:
Sales: bassy shi
Cell phone: +86 13773069136
Email: bassy.shi@youjiazhineng.com
