PZEM-004T цифровой измеритель переменного тока Амперметр TTL ток коэффициент мощности тестер частоты модуль с катушкой 100A на рост от 80 до
- Категории: Измерители мощности >>>
- Поставщик: Shenzhen,Qinda,Electronics,Co.,Ltd.
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Product Description
Part number | Wireless Module |
Wechat/Tel | +8613534149774 |
Email/Skype | qindamodule@ 163.com |
1823232721 |
Function description:
1. Voltage:
Measuring range:80~260V
Resolution: 0.1V
Measurement accuracy: 0.5%
2.Current:
Measuring range: 0~10A(PZEM-004T-10A); 0~100A(PZEM-004T-100A)
Starting measure current: 0.01A(PZEM-004T-10A); 0.02A(PZEM-004T-100A)
Resolution: 0.001A
Measurement accuracy: 0.5%
3.Active power:
Measuring range: 0~2.3kW(PZEM-004T-10A); 0~23kW(PZEM-004T-100A)
Starting measure power: 0.4W
Resolution: 0.1W
Display format:
<1000W, it display one decimal, such as: 999.9W
≥1000W, it display only integer, such as: 1000W
Measurement accuracy: 0.5%
4.Power factor:
Measuring range: 0.00~1.00
Resolution: 0.01
Measurement accuracy: 1%
5.Frequency:
Measuring range: 45Hz~65Hz
Resolution: 0.1Hz
Measurement accuracy: 0.5%
6.Active energy:
Measuring range: 0~9999.99kWh
Resolution: 1Wh
Measurement accuracy: 0.5%
Display format:
<10kWh, the display unit is Wh(1kWh=1000Wh), such as: 9999Wh
≥10kWh, the display unit is kWh, such as: 9999.99kWh
Reset energy: use software to reset.
-Over power alarm:
Active power threshold can be set, when the measured active power exceeds the threshold, it
can alarm
Communication interface :
RS485 interface.
-Communication protocol
Physical layer protocol:
Physical layer use UART to RS485 communication interface
Baud rate is 9600, 8 data bits, 1 stop bit, no parity
Application layer protocol:
The application layer use the Modbus-RTU protocol to communicate. At present, it only
supports function codes such as 0x03 (Read Holding Register), 0x04 (Read Input Register), 0x06
(Write Single Register), 0x41 (Calibration), 0x42 (Reset energy).etc.
0x41 function code is only for internal use (address can be only 0xF8), used for factory
calibration and return to factory maintenance occasions, after the function code to increase 16-bit
password, the default password is 0x3721
The address range of the slave is 0x01 ~ 0xF7. The address 0x00 is used as the broadcast
address, the slave does not need to reply the master. The address 0xF8 is used as the general
address, this address can be only used in single-slave environment and can be used for calibration etc.operation.
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