ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Rated measuring voltage: 3×380V
Rated measuring current: 3×10(80)A
Working power mode: Three-phase voltage supply
Switch input: No DI
Relay output: 1 relay output
Temperature input: 3 digital temperature sensors
Electrical characteristics
System: 3P3W, 3P4W
Measurement accuracy
Current: ±0.2%FS
Voltage: ±0.2%FS
Power: 0.5S
Frequency: 45～65Hz,error: ±0.2%
Active energy: 0.5S
Reactive energy: 2.0S
Temperature: -10℃~+85℃, error: ±0.5℃; -45℃～+125℃, error: ±2.0℃
Digital input:
Operating voltage: 5 VDC
Digital output:
Node type: Mechanical contacts
Node capacity: 220 VAC/5A,30 VDC/5A
Power consumption: < 3W
Function
Display:
Screen: TFT LCD
Resolution: 240*320
Communication:
Interface: RS485
Protocol: Modbus-RTU, DL/T 645-2007
Baud rate: 2400, 4800, 9600, 19200, 38400, 57600
Temperature measurement:
Method of measuring: Digital temperature sensor
Pulse output:
PPS output: Default to PPS output
Energy pulse output: 1 active optocoupler output, 1 reactive optocoupler output
Pulse constant: 7200imp/kWh, 400imp/kWh (optional)
Wireless communication: 4G network communication
Standard: TD-LTE, FDD-LTE, GSM/GPRS
Band:
TD-LTE: Band 38/39/40/41
FDD-LTE: Band 1/3/5/8
GSM: Band 3/8
Technical specification:
TD-LTE: 3GPP R13 CAT1 Downlink 7.5 Mbps, uplink 1 Mbps
FDD-LTE: 3GPP R13 CAT1 Downlink 10 Mbps, uplink 5 Mbps
GSM: GPRS Class 12: Downlink 384 kbps, uplink 128 kbps
Transmission power:
TD-LTE: +23 dBm (Power class 3)
FDD-LTE: +23 dBm (Power class 3)
GSM Band 8: +33 dBm (Power class 4)
GSM Band 3: +30 dBm (Power class 1)
Communication mode: Data transparent transmission mode
Communication protocol: Modbus-RTU, DL/T 645-2007
Mechanical characteristic
Weight: ≤0.5kg
Size: 126mm*88.5mm*69.5mm
Operating temperature: -20~70°C
Storage temperature: -25~70°C
Humidity: ≤93%RH, non-condensing, no corrosive gases
Altitude: ≤2500m
