ETCR9310B 110KV High Low Voltage AC Current Tester Wireless Forked Ampere Meter AC 0.00A‑9999A Item Type: High/Low Voltage AC Current Meter Material: ABS Measuring Range: AC 0.00A-9999A (50/60Hz Automatic) Resolution: 0.01A Test Accuracy: ±2%±5dgt (The wire is located near the center of the bottom end of the U-shaped jaw, 23℃±2℃ Jaw Diameter: 68mm / 2.7in Jaw Structure: Fork Type Wireless Distance: Approx. 100m / 328.1ft Stored Data: 99 Groups Power Supply: DC 6V Alkaline Dry Battery Detector Battery: 4 x 1.5V AAA Battery (Battery Not Included) Receiver Battery: 4 x 1.5V AAA Battery (Battery Not Included) Test Method: Non-Contact U-Type CT Transmission Mode: 433MHz wireless transmission, the transmission distance is about 100 meters Display Mode: 4-digit LCD display, backlight function, suitable for dim places Sampling Rate: 2 Times/Sec Insulating Rod Diameter: Approx. 45mm / 1.8in, Contracted: Approx. 1000mm / 39.4in, Stretched: Approx. 4100mm / 161.4in How e: