Diagnostic
MA440: 400A AC Clamp Meter + NCV
The Extech MA443 400A true RMS AC clamp meter with built-in non-contact voltage (NCV) has a 1.2" (30mm) jaw size fits conductors up to 500MCM, Large backlit LCD display and built-in Flashlight and includes functions like NCV, AC/DC Voltage, AC Current, Resistance, Capacitance, Frequency, Diode Test, Continuity. Besides these functions, the Extech MA443 clamp meter contains Relative mode for Capacitance, Data Hold, Auto Power Off and Low Battery Indicator.
| Jaw size | 30mm (1.2") |
|---|---|
| Cable size | 500MCM |
| AC Current | 400.0A (1mA) |
| Basic Current Accuracy | AC: ±2.0% |
| DC Voltage | 600V (0.1mV) |
| AC Voltage | 600V (1mV) |
| Basic Voltrage Accuracy | AC: ±1.2% DC: ±0.8% |
| Non-Contact Voltage (NCV) | 100...600V |
| Resistance | 40MΩ (0.1Ω) |
| Capacitance | 100μF (0.01nF) |
| Frequency | 1MHz (0.01Hz) |
| Duty Cycle | Yes |
| Diode/Continuity | Yes |
| Dimensions | 228x77x41mm (9x3x1.6") |
| Weight | 265g (9.3oz) |
The Extech MA443 400A true RMS AC clamp meter with built-in non-contact voltage (NCV) has a 1.2″ (30mm) jaw size fits conductors up to 500MCM, Large backlit LCD display and built-in Flashlight and includes functions like NCV, AC/DC Voltage, AC Current, Resistance, Capacitance, Frequency, Diode Test, Continuity. Besides these functions, the Extech MA443 clamp meter contains Relative mode for Capacitance, Data Hold, Auto Power Off and Low Battery Indicator.
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Erik-Jan Visser
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