Extech MA443 400A True RMS AC Clamp Meter + NCV
400A True RMS AC Clamp Meter + NCV

There are three variants to pick from, each with or without True RMS and AC/DC Current features. Choose the True RMS model for accurate non-sinusoidal waveform readings, the DC Current model for automotive applications, or the Type K model for temperature measurements. The MA440 Series meters come fully loaded with multimeter operations and a built-in non-contact voltage (NCV) detector to fulfill your application requirements!

Specifications

AC Current 400.0A
AC Current Basic Accuracy ±1.8%
AC Current Max Resolution 1mA
AC Voltage 600V
AC Voltage Basic Accuracy ±1.2%
AC Voltage Max Resolution 0.1mV
Capacitance 40mF
Capacitance Max Resolution 0.01nF
Continuity Yes
DC Voltage 600V
DC Voltage Basic Accuracy ±0.8%
DC Voltage Max Resolution 1mV
Duty Cycle Yes
Frequency 1MHz
Frequency Max Resolution 0.01Hz
Jaw Size 1.2" (30mm), conductors up to 500MCM
Non-Contact Voltage (NCV) Detector 100 to 600VAC
Resistance 40MΩ
Resistance Max Resolution 0.1Ω
Temperature (Type K) Max Resolution -40° to 1832°F (-40° to 1000°C)
Temperature (Type N) Basic Accuracy 1°F/°C
True RMS Yes
Certifications CE, ETL
Dimensions 9 × 3 × 1.6" (228 × 77 × 41mm)
Power 3 × AAA (1.5V) batteries
Safety Category CATIII - 600V
Warranty 2 years
Weight 9.3oz (265g)