specification: PZEM-022 Optional transformer 100A open CT 1. Working voltage: 80~260VAC 2. Energy consumption: 3. Voltage:range 80~260V 4. Current 0~100A, starting current 0.02A 5. Frequency Test range 45~65Hz 6. Power factor: Test range 0~1PF
Product function: 1. Backlight control: The backlight can be turned on or off by short pressing the button, and the backlight status will be saved automatically after power failure. 2. Power reset: Step 1: Press and hold the key for 5 seconds until the power digit flashes, and then release the key; Step 2: If you press the key again, the power data will be reset and the reset flashing state will exit; Step 3: If there is no key action within 5 seconds, it means that the power data is not reset and the reset status is exited. 3. Power alarm value setting: Step 1: Press and hold the key for 3 seconds until the screen displays "SET CLr", then release the key to enter the power alarm value setting state; Step 2: The current power alarm value is displayed in the power area and the lowest digit starts to flash. At this time, the digit can be+1 by pressing the key briefly. When there is no key operation for more than 3 seconds, the digit will be automatically switched. The setting method is the same as above; Step 3: After setting, press and hold the key for more than 5 seconds to automatically save and exit. The range of active power threshold setting is 0.0~22kW