TRSI TA8315A Clamp Meter High Accuracy AC DC Voltage AmmeterFeatures: 1. Large jaw design, the jaw can be opened to 27mm, suitable for various wire measurements. 2. NVC measurement: When the gear is set to NCV, the non contact voltage sensing area is close to the circuit to detect AC voltage. The clamp meter will display and beep alarms of different frequencies according to the magnitude of the detected voltage. 3. Large screen display: Professional smart chip LCD display, clear handwriting, with backlight