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HQ440D Laboratory Dual Input, Multi-Parameter Meter - pH, Conductivity, Optical Dissolved Oxygen, ORP, and ISE

Product #: HQ440D.98.00002

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Application Notes	Type	Language	Size	Date	Edition
Calibration of the High Purity 8362sc pH Electrode DOC040.52.10101		English UK	196 KB	2017-11	Nov17
Electrochemistry Theory and Practice DOC182.53.90629		English US	3 MB	2018-12	Ed3
pH measurement and temperature compensation DOC42.52.20153		English UK	141 KB	2013-11
Technical note pH measurement system DOC042.52.20152		English UK	183 KB	2013-11
Technical Note pH Trace Analysis DOC042.52.20150		English UK	95 KB	2013-11
What is the difference between pH meters/probes offered as classic (analogue) or new digital (intelligent) version? DOC42.52.20155		English UK	207 KB	2013-11

Brochures	Type	Language	Size	Date	Edition
The best solution for accurate results in all applications - HQD meters and high performance pH electrodes DOC032.53.20163		English US	414 KB	2021-07	May21

Data Sheets	Type	Language	Size	Date	Edition
HQD Lab instruments: HQ411D, HQ430D, HQ440D DOC052.52.25004		English UK	316 KB	2011-11	Nov11

Guides	Type	Language	Size	Date	Edition
Hach Laboratory Quick Guide for Chemical Applications DOC062.52.20232		English UK	201 KB	2016-06	Apr16

Manuals	Type	Language	Size	Date	Edition
Basic User Manual: HQd Benchtop Meter DOC022.98.80116		Bulgarian, Croatian, Czech, Danish, Dutch, Greek, Hungarian, Slovenian, Turkish, English UK, French, German, Italian, Polish, Portuguese, Romanian, Russian, Swedish	3 MB	2017-09	Ed4
User Manual: HQd Benchtop Meter DOC022.53.80116		English US	1 MB	2020-10	Ed5

Methods/Procedures	Type	Language	Size	Date	Edition
Oxidation Reduction Potential (ORP), Direct Measurement, ORP Electrode, Method 10228 DOC316.53.01244		English US	204 KB	2021-02	Ed9

Software/Firmware	Type	Language	Size	Date	Edition
HQd Series Meter Data Transfer Utility V1.0 Download for Instructions		English UK, English US	738 KB	2017-08	V1.0
HQD Series Meter Software Update Do NOT update from firmware versions prior to V2.5.0.744. - Failure to comply will void any warranty. Please contact Hach Technical Support if you need help for prior versions or have any question.		English UK, English US, French, German, Italian, Spanish	1 MB	2023-11	V3.00.75.6