Features: _x000D_ The physical layer adopts UART to RS485 communication interface, with baud rate of 9,600, 8-bit data bits, 1-bit stop bits and no verification_x000D_ _x000D_ This Multi-function Meter can measure voltage, current, power, power, frequency, power factor _x000D_ Over power alarm: Active power threshold can be set, when the measured active power exceeds the threshold, it can alarm_x000D_ _x000D_ It can display six measurement parameters on the computer when communicate through the software _x000D_ The high test accuracy, better compatibility will make it use widely. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Brand: PEACEFAIR _x000D_ _x000D_ Model: PZEM-016_x000D_ _x000D_ Type(Optional): _x000D_ _x000D_ Type1: 1*Meter+1* Closed type CT_x000D_ Type2: 1*Meter+ 1*open type CT_x000D_ Type3: 1*Meter+ 1*Closed type CT+ 1*USB to 485_x000D_ Type4: 1*Meter+ 1*open type CT+ 1*USB to 485 _x000D_ Voltage_x000D_ Measuring range:80~260V_x000D_ Resolution: 0.1V_x000D_ Measurement accuracy: 0.5%_x000D_ _x000D_ Current_x000D_ Measuring range: 0~100A_x000D_ Starting measure current: 0.02A_x000D_ Resolution: 0.001A_x000D_ Measurement accuracy: 0.5%_x000D_ _x000D_ Active power_x000D_ Measuring range: 0~23kW_x000D_ Starting measure power: 0.4W_x000D_ Resolution: 0.1W_x000D_ Display format:_x000D_ When the data is 1000W, it display one decimal, such as: 999.9W_x000D_ When the data is 1000W, it display only integer, such as: 1000W_x000D_ Measurement accuracy: 0.5%_x000D_ _x000D_ Power factor_x000D_ Measuring range: 0.00~1.00_x000D_ Resolution: 0.01_x000D_ Measurement accuracy: 1%_x000D_ _x000D_ Frequency_x000D_ Measuring range: 45Hz~65Hz_x000D_ Resolution: 0.1Hz_x000D_ Measurement accuracy: 0.5%_x000D_ _x000D_ Active energy_x000D_ Measuring range: 0~9999.99kWh_x000D_ Resolution: 1Wh_x000D_ Measurement accuracy: 0.5%_x000D_ Display format:_x000D_ When the data is 10kWh, the display unit is Wh(1kWh=1000Wh), such as: 9999Wh_x000D_ When the data is 10kWh, the display unit is kWh, such as: 9999.99kWh_x000D_ Reset energy: use software to reset._x000D_ Communication interface: RS485 interface _x000D_ Size:90 x 60.5mm / 3.54 x 2.38in_x000D_ _x000D_ Weight: Approx.118~154g_x000D_ _x000D_ _x000D_ _x000D_ Package includes: _x000D_ Type1,Type2,Type3,Type4 (Optional)_x000D_ _x000D_ Type1: 1*Meter+1* Closed type CT_x000D_ Type2: 1*Meter+ 1*open type CT_x000D_ Type3: 1*Meter+ 1*Closed type CT+ 1*USB to 485_x000D_ Type4: 1*Meter+ 1*open type CT+ 1*USB to 485