AC Leakage Ammeter Clamp LCD Backlight High Accuracy Leakage Current Meter with Lithium Battery Item Type: Leakage Ammeter Clamp Model: ETCR6670 Material: ABS Battery: 3.7V 1000mAh lithium battery (built in battery) Usage: Widely used in electric power, communication, meteorology, railway, oil field, construction, measurement, scientific research and teaching units, industrial and mining enterprises and other fields Basic Parameters: Measuring Range: 0.00mA~1200A Measurement Accuracy: 0.00mA-999mA，±1.5%rdg±5dgt； 1.00A-300A，±1.5%rdg±5dgt； 300A-599A，±2.0%rdg±5dgt； 600A-1200A，±2.5%rdg±5dgt； LCD Backlight: Yes Flashlight: Yes Filtering Function: Filter On: 40Hz-70Hz; Filter Off: 40Hz-1kHz Harmonic Analysis: 21 times (above 10mA) Distortion Rate: Yes (more than 10mA) Maximum Minimum Values: Yes Average: Yes Data Retention: Yes Data Storage: 2000 groups (stored through APP) Overflow Display: Overrange Overflow Function: OL sign display Bluetooth Communication: Yes, you can test or view the test results on your mobile phone after installing APP Automatic Shutdown: The instrument shuts down automatically after about 5 minutes of startup to reduce battery consumption Battery Power: 4 levels display Sampling Rate: 2 times per second Working Current: 60mA (turn on flashlight 72mA) Line Voltage: Line test below AC600V Working Environment: -10℃-50℃; Below 80%RH Storage Environment: -20℃-60℃; Below 70%RH Insulation Strength: AC 3700V/rms (between core and shell)