We specialize in Current Sensors, CT Sensors, and Measuring Instruments.

AC Leakage Clamp Meter

M-1140 Leakage Current Clamp Tester40mmφCT, ACA


・Auto 5-range : AC 30mA / 300mA / 3A / 30A / 300A
・CT inside diameter : φ40mm
・Minimum resolution : 0.01mA
・Maximum value hold / Data hold function available
・With filtering switch (which cuts currents above 150Hz)
・Compliant with EN 61010, CAT-III 1000V / CAT-IV 600V
・With backlight
Measuring Function Line current
Leakage current
CT Inside Diameter φ40mm
AC Current Range 30mA / 300mA / 3A / 30A / 300A
Minimum Resolution 0.01mA
Accuracy AC 30mA / 300mA / 3A / 30A

AC 300A
0~200A : ±1.2%rdg±5dgt
200~250A : -3.0%rdg±5dgt
250~300A : -5.0%rdg±5dgt

23℃±5℃ 80%RH or less (50 / 60Hz)
Filter Function Low pass filter : 150Hz
Max Memory Function "Max" mark on LCD with maximum value
Other Function Over range display, Data hold, Low battery indication, Auto power off
Sampling Rate Two times / second
Safety Standard EN61010
Installation category IV 600V or category III 1000V
Operating Circuit Voltage Less than AC500V (Isolated electric wire)
Operating Temp & Humidity Range 0~50℃ Less than 85%RH (w / o condensation)
Power Supply CR2032×1
Dimension / Weight W61×H206×D35mm
Approx 260g
Accessories Carrying case, Instruction manual