This document presents the data sheet of Amprobe® Test Tools, including its exclusive 'No Hassle' warranty policy, and the features and characteristics of the LH41A AC/DC Clamp-on Ammeter.
The LH41A is a precise, low‑current AC/DC clamp‑on ammeter with auto‑ranging, data‑hold, and auto‑power‑off functions. It offers a 4000‑count display, 10 mm high characters, and a maximum jaw capacity of 19 mm.
General specifications include a measuring range of 0‑40 A, 1 mA resolution, basic accuracy of ±1.3% + 5 digits, and overload capacity of 150 A. The unit operates from a PP3 or alkaline battery with up to 15 hours of life and is covered by Amprobe’s “No Hassle” warranty.
| Maximum jaw capacity | 19 mm |
|---|---|
| Maximum jaw opening | 20 mm (0.78 in.) |
| Dimensions | 184 x 71 x 31 mm |
| Weight | 235 g (1.2 lb) |
| Operating temperature | 0 °C to +50 °C |
| Measuring range | 0‑40 A DC or AC |
| Basic accuracy | ±1.3% + 5 digits |
| Battery life | 15 hours (dependent duty cycle) |
| Overload capacity | 150 A |
The LH41A has a maximum jaw opening of 20 mm (0.78 in.).
The battery provides up to 15 hours of operation, depending on the duty cycle.
It measures currents from 0 to 40 A in both DC and AC modes.
The device can handle overloads up to 150 A.