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MA140: True RMS 300A AC Clamp Meter ยี่ห้อ Extech, USA

Compact AC Clamp Meter with NCV Detector

The MA140 is a Compact AC Clamp Meter with NCV Detector. This Clamp meter takes True RMS measurements for accurate readings of noisy, distorted or non-sinusoidal waveforms. The MA140 can measure up to 300A AC. Complete with carrying case and two LR44 batteries. UL listed with a CAT III 600V safety rating.

Features:

True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
Compact 0.8″ (22mm) jaw size accommodates conductors up to 300MCM and allows measurements in tight locations
Unique Smart Auto Sense feature
Low Pass Filter (LPF) for accurate measurement of variable frequency drive signals
Built-in Non-Contact Voltage (NCV) detector for quick detection of live voltage
Inrush current measurement
6000 count backlit LCD display
Smart Data Hold: Audiovisual alert when a new reading exceeds 50 digits of a held reading
Low battery indicator and Auto Power Off feature
Complete with carrying case and two LR44 batteries

For complete specs please download the product datasheet (not available for some accessories)

Specifications:

Unit (เปรียนเทียบ)	รุ่น MA140	รุ่น MA145
AC Current (max resolution)	60A, 300A (0.01A)	60A, 300A (0.01A)
DC Current (max resolution)	—	60A, 300A (0.01A)
Basic accuracy	±2.0%	AC: ±1.5%, DC: ±1.5%
Non-Contact Voltage (NCV)	80 to 600V	80 to 600V
Dimensions	5.8×2.4×1.2″ (147x60x31mm)	5.8×2.4×1.2″ (147x60x31mm)
Weight	4.9oz (140g)	4.9oz (140g)