This document introduces the usage of 3550 series battery HiTESTERs
The Hioki 3550 Series Battery HiTESTER is a portable instrument for measuring battery resistance, voltage, and temperature. This guide explains the display functions, comparator warnings, and how to interpret measurement results.
It also provides instructions for using the printer output, memory storage, external control signals, and compatible test leads. Safety information such as input‑over‑voltage protection and power‑up behavior is included.
| Memory capacity (3550) | 260 items |
|---|---|
| Memory capacity (3551) | 250 items |
| Maximum input voltage (3550/3555) | 50 V DC |
| Maximum input voltage (3551) | 60 V DC |
| Power‑up delay after battery insertion | ≈15 seconds |
The internal backup capacitor is being charged, which takes about 15 seconds before the unit powers up.
No, the rated maximum input voltage is fixed at 50 V DC for the 3550 (and 3555) and cannot be increased.
The 3550 can store up to 260 measurement items in its internal memory.