NAVI D-25 Instruction Manual page 3

Preface
Warranty and Responsibility
Thank you for purchasing one of the D-50 Series pH meters.
This meter is designed with a compact body that can be held in one hand and
features a water-resistant construction Note 1. It has a large-sized LCD display,
which enables to use the varied functions by simple operations, and especially
will be convenient to use on-location.
Carefully read this manual before using the meter.
Note 1: The water-resistant construction of this meter conforms to IP-67 of IEC
529, entitled "Water resistant testing and protection against penetration by solid
matter for electrical machinery and equipment." To maintain the water-resistant
construction of this meter, follow the instructions in this manual when using the
meter.
IP-67 standards
・ Dust does not get into internal parts.
・ Water does not flow into internal parts when the meter is submerged 1 m
below the surface of the water for 30 minutes, at a temperature differential
between the water and the device of 5 ℃ or less.
Your meter is covered by warranty for a period of one (1) year, under
normal use. Although unlikely, if any trouble attributable to us should occur
during this period, necessary exchange or repairs shall be conducted by us,
free of charge. The warranty does not cover the following:
・ Any trouble or damage attributable to actions or conditions specifically
mentioned to be avoided in the operation manuals
・ Any trouble or damage attributable to use of the meter in ways or for
purposes other than those described in the operation manuals
・ If any repairs renovations, disassembly, etc. are performed on this meter by
any party other than us or a party authorized by us
・ Any alteration to the external appearance of this pH meter attributable to
scratches, dirt, etc. occurring through normal use
・ Wear and tear to parts, the exchange of accessories, or the use of any parts
not specified by us
We also shall not be liable for any damages resulting from any malfunctions
of this product, any erasure of data, or any other uses of this product.