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pH電極 Intellical™ PHC705 Laboratory General Purpose RedRod Refillable Glass pH Electrode
High performance Red Rod technology now available for the digital HQD platform

Intellical™ PHC705 is a digital combination pH electrode with built-in temperature sensor. The PHC705 is a pH refillable electrode with ceramic porous pin reference junction embedding the RedRod technology to deliver exceptionally fast, stable, and accurate response times for accurate measurements within a wide temperature range.

This high performance laboratory glass pH electrode is ideal for measuring pH in a variety of laboratory applications for aqueous samples.

A 59-mL bottle of saturated KCl Electrode Filling Solution is included with the probe. The PHC705 is not suitable for use with organic solvents, emulsions, samples with high solids content or high alkaline sample types.

Hach HQd 系列便攜式水質分析儀目前可檢測多種參數。Hach HQd便攜式水質分析儀具有絕佳測量靈活性,電極更換等操作簡單,可自動識別電極。

HQd系列多參數水質檢測儀包含各種IntelliCALTM 電極,可測量pH、導電度、溶氧(LDO),LBOD,ORP 以及鈉、銨、氨、氟、硝酸鹽、氯等多項水質參數。
Red Rod technology provides fast, accurate and reproducible measurements
Symmetry between internal and external Red Rod reference elements ensures that the iso pH is the same as the zero pH, providing highly reproducible results and a fast, accurate response, even in samples with fluctuating temperatures. Red Rod technology also provides a stable signal by protecting the reference elements from light interference, and the saturated KCl salt-bridge aids in creating a stable liquid junction potential.
Red Rod reliability when measuring challenging samples over wider temperature ranges
Red Rod encapsulation of reference elements means no silver ions and less risk of clogged junctions. It also enables accurate measurements over a broader temperature range than standard electrodes.
Intellical™ digital probes can be moved between meters without the need to re-calibrate or re-enter measurement settings
Ideal for a multi-user environment with multiple HQD series Laboratory and Portable meters.
Intellical™ digital probes provide ultimate traceability in measurement history
Stored time and date stamp for each measurement, operator and sample ID, calibration history, parameter, and probe serial number.
Wide temperature range up to 100 °C
Application Notes Language Size Date Edition
Application Note: Learn how to really clean pH probes from individual sample contamination to maintain best performance of your pH probes. 
German, English UK 290 KB 2014-09 Sep14
Data Sheet: HQd pH Electrode Cleaning and Maintenance Guide 
English US 532 KB 2014-02 Rev 1
Poster: Cleaning and maintenance of pH probes 
English UK 648 KB 2016-09 Sep16
Technical note pH measurement system 
English UK 183 KB 2013-11  
Technical Note pH Trace Analysis (en) 
English UK 95 KB 2013-11  
Technical Note: pH probes with Red Rod technology 
English US 212 KB 2014-07 Jul14
Temperature Compensation with pH Measurement 
English US 524 KB 2013-08 Ed1
What are the individual parts of a pH electrode? 
English UK 79 KB 2013-11 Nov13
Datasheets/Brochures Language Size Date Edition
Complete Water Analysis Solutions for POWER GENERATION 
English US 1 MB 2016-10 Mar16
Hach Laboratory Quick Guide for Power Applications 
English US 578 KB 2015-11 Nov15
HQD Digital Meters and Intellical™ Probes Data Sheet 
English US 755 KB 2016-06 Rev8
The best solution for accurate results in all applications - HQD meters and high performance pH electrodes 
English US 328 KB 2015-08 Aug15
Manuals Language Size Date Edition
Basic User Manual for PHC705 Probes 
Thai, Korean, Japanese, Portuguese, English US, French, Spanish 839 KB 2014-01 Ed 1
User Manual for PHC705 Probes 
English US 456 KB 2014-01 Ed 1