Overview: This document describes the specification of the PZEM-004T AC communication module,the module is mainly used for measuring AC voltage, current, active power, frequency, powerfactor and active energy, the module is without display function, the data is read through the TTL interface.PZEM-004T-10A: Measuring Range 10A (Built-in Shunt)Function description1.1 Voltage1.1.1 Measuring range: 80~260V1.1.2 Resolution: 0.1V1.1.3 Measurement accuracy: 0.5%1.2 Current1.2.1 Measuring range: 0~10A(PZEM-004T-10A)1.2.2 Starting measure current: 0.01A(PZEM-004T-10A)1.2.3 Resolution: 0.001A1.2.4 Measurement accuracy: 0.5%1.3 Active power1.3.1 Measuring range: 0~2.3kW(PZEM-004T-10A)1.3.2 Starting measure power: 0.4W1.3.3 Resolution: 0.1W1.3.4 Display format: Less than1000W, it display one decimal, such as: 999.9W1000W, it display only integer, such as: 1000W1.3.5 Measurement accuracy: 0.5%1.4 Power factor1.4.1 Measuring range: 0.00~1.001.4.2 Resolution: 0.011.4.3 Measurement accuracy: 1%1.5 Frequency1.5.1 Measuring range: 45Hz~65Hz1.5.2 Resolution: 0.1Hz1.5.3 Measurement accuracy: 0.5%Material: Plasticcolour: Transparent bluePackage Contents: 1 x Digital Multifunction MeterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.