horiba TPNA-500, Инструкция по эксплуатации

Страница: 59 / 261

Preparation for Operation
43
6.
When the purging for the cartridge is complete, push
【
Pure water purge
】
to finish
purging.
Note

The hose between the tap water supply and the inlet of the instrument must be low extraction
property.
Recommended hose; Kakudai 597-515 (ID 15 mm OD 20 mm)

The water to the pure water cartridge should be the same level of quality for the tap water. (Refer
to the table below)
Prior treatment is necessary for the water including excessive rust or residual chlorine. Using the
cartridge without removing these materials will be a cause to reduce the performance of the pure
water generation.The pure water cartridge should be stored in the cool and dark room.

Water quality standard for tap water
Items Criteria
nitrate nitrogen should be less than equal to 10 mg/L
nitrite nitrogen should be less than equal to 10 mg/L
Organic materials
（ Consumption of KMnO
4
）
should be less than equal to 10 mg/L
Iron
（
Fe
）
Should be less than equal to 0.3 mg/L
Manganese （ Mn ）
Should be less than equal to 0.05 mg/L
Hydrogen ion (pH)
（
pH
）
5.8
～
8.6
Bad odor Should not be abnormal
Taste Should not be abnormal
Color Should be less than equal to 5 degrees
Turbidity Should be less than equal to 2 degrees

: Excerpted criteria from the water quality standard of the Water Works Law