Extech MA443 True RMS 400A Clamp Meters AC Current and NCV Tester measures AC/DC voltage up to 600V and AC current up to 400A. The Extech MA443 features capacitance measurements, frequency measurements, non-contact voltage detection, resistance measurements, data freeze, temperature measurements via type k thermocouple, and more.
- Extech MA443 True RMS 400A Clamp Meters AC Current with NCV Detector
- Small sized clamp meter with 1.2" jaw size to fit conductors up to 500MCM
- Innate non-contact voltage detector (NCV)
- Measures resistance, capacitance, and frequency
- Relative mode for capacitance measurements
- Data hold
- Automatically shuts off when not in use; indicates when battery is low
- Easy-to-read backlit LCD display
- True RMS measurements
- Measures temperature via Type K thermocouple
- Built-in work flashlight
- MIN/MAX
- Includes test leads, three (3) AAA batteries, includes a general purpose Type K temperature probe, and pouch
Specifications: | Extech MA443 True RMS 400A Clamp Meters AC Current with NCV Detector | ||
MA440 (Max. Resolution) | MA443 (Max. Resolution) **This model** | MA445 (Max. Resolution) | |
AC Current | 400.0A (1mA) | 400.0A (1mA) True RMS | 400.0A (10mA) True RMS |
DC Current | — | — | 400.0A (10mA) |
Basic Current Accuracy | AC: ±2.0% | AC: ±1.8% | AC: ±2.5%, DC: ±2.0% |
DC Voltage | 600V (0.1mV) | 600V (0.1mV) True RMS | 600V (0.1mV) True RMS |
AC Voltage | 600V (1mV) | 600V (1mV) | 600V (1mV) |
Basic Voltrage Accuracy | AC: ±1.2% DC: ±0.8% | AC: ±1.2% DC: ±0.8% | AC: ±1.2% DC: ±0.8% |
Non-Contact Voltage (NCV) | 100 to 600V | 100 to 600V | 100 to 600V |
Resistance | 40MΩ (0.1Ω) | 40MΩ (0.1Ω) | 40MΩ (0.1Ω) |
Capacitance | 100μF (0.01nF) | 40mF (0.01nF) | 40mF (0.01nF) |
Frequency | 1MHz (0.01Hz) | 1MHz (0.01Hz) | 1MHz (0.01Hz) |
Temperature (Type K - meter range) | — | -40° to 1832°F/-40° to 1000°C (1°) | -40° to 1832°F/-40° to 1000°C (1°) |
Diode/Continuity | Yes | Yes | Yes |
Dimensions | 9x3x1.6" (228x77x41mm | 9x3x1.6" (228x77x41mm) | 9x3x1.6" (228x77x41mm) |
Weight | 9.3oz (265g) | 9.3oz (265g) | 9.3oz (265g) |
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Applications: | Extech MA443 True RMS 400A Clamp Meters AC Current with NCV Detector |
Security | |
Home theater | |
Electrical | |
HVAC | |
Etc. |
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