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Hach HQ440d User Manual

Hach HQ440d
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The meter can be powered with AA alkaline or rechargeable NiMH batteries. To conserve battery life,
the meter will power off after 5 minutes of inactivity. This time can be changed in the Display Options
menu.
For battery installation refer to Figure 4.
1. Loosen the three battery cover screws and remove the battery cover.
Note: Do not remove the screws from the battery cover.
2. Install 4 AA alkaline or 4 AA nickel metal hydride (NiMH) batteries. Make sure that the batteries
are installed in the correct polarity.
3. Replace the battery cover.
Note: Do not over-tighten the screws.
Figure 4 Battery installation
User interface and navigation
User interface
Figure 5 Keypad description
1 LEFT key: calibrates, cancels or exits the current
menu
6 BACKLIGHT: turn off display illumination
2 RIGHT key: reads, selects, confirms or stores data 7 OPERATOR ID: associate data with an individual
3 DOWN key: scroll through menus, enter
numbers/letters or change the reading screen view
8 SAMPLE ID: associate data with a sample location
4 DATA LOG: recall or transfer stored data 9 UP key: scroll through menus, enter numbers and
letters or change the reading screen view
5 METER OPTIONS: change settings, run check
standards, view meter information
English 7

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Hach HQ440d Specifications

General IconGeneral
BrandHach
ModelHQ440d
CategoryMeasuring Instruments
LanguageEnglish

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