Process pH 線上水質pH監測
Learn about pH products based on Water type
Need Online pH?
 
Hach has a process pH sensor for nearly every process in Dirty Water, Clean Water and Pure Water. To learn more, and find the right pH sensor for your process, select an option below.
 
Hach pHD sc Online Process pH Sensor - General Purpose Stainless Steel pH Sensor Clean Water Pure Water

Dirty Water

Pulp & Paper
Wastewater
Industrial Wastewater

Clean Water

Drinking Water
Food
Beverage

Pure Water

Power
Industrial Utility Water
Pharmacuticals

 
Application Notes Type Language Size Date Edition
HACH SENSORS FOR CRITICAL BOILERS 
LIT2161
  English US 920 KB 2014-07  
Differential pH Design Overcomes Common pH Sensor Challenges 
DOC040.53.10061
  English US 216 KB 2015-03 Mar 15
Real Time Control of Caustic Dosing Through Ammonia Sensors 
On-line ammonium sensors utilizing new ion-selective electrode technology have enabled a North Carolina wastewater treatment plant to automatically control caustic dosing for improved performance.
  English US 97 KB 2012-04  
Application Note Part 1: Amperometric and Optical Sensors in Brewing 
DOC043.52.30246
  English UK 146 KB 2015-12 Sep 15
Application Note Part 1: Amperometric and Optical Sensors in Brewing 
DOC043.53.30246
  English US 203 KB 2015-12 Sep 15
Application Note Part 2: Amperometric and Optical Sensors in Brewing 
DOC043.52.30306
  English UK 263 KB 2015-12 Sep 15
Application Note Part 2: Amperometric and Optical Sensors in Brewing 
DOC043.53.30306
  English US 183 KB 2015-12 Sep 15
Defining Drinking Water Plant Backwash Profile Using the SOLITAX™ sc Suspended Solids and Turbidity Sensor. 
Application Note 126
  English US 88 KB 2005-07 Ed 3
Monitoring IWW Effluents with FP 360 sc Oil-in-Water Sensor 
Appplication Note (no number)
  English US 2 MB 2010-07 Ed1
Monitoring the Efficiency of Reverse Osmosis Pre-Treatment. One transmitter can deliver an alarm when the efficiency decreases. 
LIT2853
  English US 510 KB 2015-01  
Oil-in-Water Fluorescence Sensor in Wastewater and Other Industrial Applications 
FP 360 sc Apps- PowerPlant Chemistry 2010, 12(3)
  English UK 7 MB 2010-03  
Sensor Maintenance Made Easy With Predictive Diagnosys Reprint from Water Online, Dec 2012 
LIT2228
  English US 9 MB 2015-01  
SAC254 Sensor for Reagent-free, Sampling-free Monitoring of Organic Materials in Drinking Water Treatment 
Application Solution AS-SAC5
  English US 182 KB 2005-04 Ed1
In-line Dissolved Oxygen Measurement in Bright (finished) Beer using the Orbisphere M1100 Luminescent Dissolved Oxygen Sensor 
Application Note-Beverage No. 13
  English US 30 KB 2009-03 Ed1
Measuring pH and Conductivity in Metal Working/Plating Industries. An understanding of processes to help identify the correct use of these pH and conductivity measurement and control systems. 
Application Note AN-PC1
  English US 79 KB 2004-04 Ed1
Online Analysis Yields Huge Savings, but Brings Major Challenges 
Reprint from Control Magazine, Jun 2007
  English US 1 MB 2007-06 Ed1
pH Control Systems. This bulletin describes six basic types of pH control systems and outlines the operating principles of each. 
LIT2862
  English US 578 KB 2015-02 Ed2
Measuring pH at the Headbox in the Papermaking Process. One area in which pH has a pronounced effect on final paper quality is at the "headbox" at the input section of a papermaking machine. 
Application Note AN-P3
  English US 88 KB 2004-04 Ed1
White Water pH in the Pulp and Paper Industry. Controlling pH is an important factor in the reclamation of white water at a pulp and paper plant. 
Application Note AN-P4
  English US 34 KB 2004-04 Ed1
Reducing Energy Consumption of UV Disinfection by Measuring %UVT 
LIT2110
  English US 403 KB 2013-03  
Luminescent Oxygen Sensor for Monitoring of Nuclear Primary Water Cycles, by Frank A. Dunand, Nicolas Ledermann, Serge Hediger, Max Haller, Christoph Weber 
Abstract from PowerPlant Chemistry, Sep-2007
  English US 3 MB 2007-09 Ed1
Achieving ROI from Ozone Sanitizing. Advantages of the Orbisphere C1100 Ozone Sensor System. Ozonation is now a preferred disinfection method by pharmaceutical manufacturers. 
Application Note (no number)
  English US 616 KB 2009-06 Ed1
Dissolved Oxygen, Carbon Dioxide, and Nitrogen Measurement in Beverage Packages. Proven Orbisphere sensor technology performs fast and accurate analysis in minutes. 
Application Note-Beverage No. 12
  English US 196 KB 2008-02 Ed1
Orbisphere 510 Air Calculation Used to Minimize Can Corrosion. Proven Orbisphere sensor technology performs fast and accurate package analysis in minutes. 
Application Note-Beverage No. 13
  English UK 27 KB 2008-11 Ed1
Reagentless Ammonium Probe. New Online Ammonium Probe Provides 5% Accuracy without Reagents, by Bob Dabkowski, Wastewater Specialist 
Hach White Paper
  English US 31 KB 2008-04 Ed1
Practical Tips for Trace-Level Oxygen Monitoring with Electro-Chemical Sensors. Simple troubleshooting procedures net higher accuracy and faster response 
LIT2847
  English US 622 KB 2015-02  
Case Study: SOLITAX Sensors, LDO Probes; Accurate On-Line DO and TSS Monitoring Helps Optimize Petrochem Effluent Treatment 
DOC043.53.30332
  English US 577 KB 2015-04 Apr15
pH Measurement in High Purity and Low Ionic Strength Water 
LIT2108
  English US 370 KB 2013-03 Ed 2
New Ultra-Pure Water pH Monitoring Technology Helps Protect Energy Equipment 
LIT2111
  English US 349 KB 2013-04 Ed 2
Cyanide Waste Treatment. This note provides basic information about treatment of extremely toxic cyanide wastes commonly found in the plating industry. 
Application Note AN-PR1
  English US 74 KB 2004-04 Ed1
Spectral Absorption Coefficient (SAC) Measurement for Controlling an Ozone System in the Paper Industry. Cost saving advantages due to specific ozone metering. 
Hach White Paper C9
  English US 911 KB 2009-03 Ed1
Measurement of Dissolved Oxygen in Wort.
In-line sensors avoid sample loop blocking and product contamination. Beer loss in spent yeast is minimized, for substantial cost savings.
 
Appplication Note-Beverage No. 02
  English US 374 KB 2008-02 Ed1
Continuous SAC254 Determination of Organic Pollutants Is Key in Real-time Wastewater Treatment Process Control 
Application Solution AS-SAC2
  English US 161 KB 2005-04 Ed1
Online SAC254 Measurement Yields Operational Savings in the Paper Production Ozone System 
Application Solution AS-SAC4
  English US 1 MB 2005-04 Ed1
Continuous SAC254 and TOC Measurement of Airport Runoff Streamlines Separation of Polluted and Unpolluted Waters 
Application Solution AS-SAC3
  English US 209 KB 2005-04 Ed1
SAC254 as Oxyen Demand Predictor: the Relationship and Correlation of Oxygen Demand Parameters and SAC 
Application Solution AS-SAC6
  English US 191 KB 2005-04 Ed1
Online SAC254 Measurement Provides Rapid Detection of Load Changes in Dairy Processing Discharge 
Application Solution AS-SAC7
  English US 294 KB 2005-10 Ed1
Accurate in-line dissolved ozone measurements in bottled water 
DOC043.53.30223
  English US 372 KB 2015-05 Jan15
Accurate in-line dissolved ozone measurements in bottled water 
DOC043.52.30223
  English UK 343 KB 2015-05 Jan15
Continuous Determination of Organic Loading in Wastewater 
Hach White Paper C9
  English US 124 KB 2009-03 Ed1
USING UV ABSORPTION TO MONITOR ORGANICS IN DRINKING WATER 
DOC030.52.10100
  English UK 253 KB 2016-03 Feb 16
Dissolved Nitrogen Measurement in the Brewing Industry.
Continuous reading of dissolved nitrogen gives real-time results with virtually maintenance-free operation.
 
Application Note, Beverage No. 03
  English US 119 KB 2007-10 Ed1
ACCURATE OXYGEN MONITORING 
LIT2157
  English US 351 KB 2014-05  
Optical Dissolved Oxygen Measurement in Power Plants 
LIT2192
  English US 403 KB 2014-09  
Reagentless Total Chlorine Probe for Wastewater Disinfection. Comparing the Hach® CLT10 sc and Wallace & Tiernan Micro/2000® 
Hach White Paper, by Bob Dabkowski and Vadim Malkov
  English US 397 KB 2010-09 Ed1
The Spectral Absorption Coefficient (SAC) in the Influent of Industrial Wastewater Treatment Plant for Diaries and Milk Processing Factories 
Hach White Paper C9
  English US 98 KB 2009-03 Ed1
Discovering the Unexpected in Disinfection Applications    English US 3 MB 2011-05  
Complete Water Analysis for the UPSTREAM OIL & GAS INDUSTRY 
LIT2830
  English US 2 MB 2014-05  
Ozone Monitoring in a Municipal Drinking Water Treatment Plant. 
Application Note AN-OZ1
  English US 58 KB 2004-04 Ed1
Residual Oxygen Controlled Blanketing in the Chemical Industry 
Application Note, Industrial No. 01.v2
  English US 64 KB 2010-12 Ver 2
Improved Shelf Life and Quality. Oxygen measurements for the brewing industry. 
Reprint from Brewing and Beverage Industry International, Jan 2008
  English US 2 MB 2008-02 Ed1
Steam Generation in Power Plants 
LIT2850
  English US 630 KB 2015-02  
Practice report:Dissolved Oxygen Measurement in Power Plants 
DOC043.52.30208
  English UK 1 MB 2014-04 Apr14
New Integrated Panel Features Multiple Instrument Probes for Proactive Source Water Monitoring. Replacing a clutter of instruments with a compact panel brings confidence in source water monitoring. 
Hach White Paper
  English US 801 KB 2008-07 Ed1
Continuous SAC254 Determination of Organic Pollutants Supports Management of Municipal Collection Systems 
Application Solution AS-SAC1
  English US 280 KB 2005-04 Ed1
Dissolved Oxygen and Hydrogen Analysis in Reactor Coolant Systems: Orbisphere 510 with Channel Compensation 
LIT2846
  English US 82 KB 2015-09 Rev 3
Advanced On-Line Instrumentation Helps DAF Systems Lower Costs 
LIT2107
  English US 391 KB 2013-03 Ed 2
Using Turbidimeters to Monitor Backwash 
LIT2069- by Terry Engelhardt, Hach Company
  English US 660 KB 2008-08  
Hach Online Suspended Solids Measurement Optimizes DAFT Polymer Dosing; King County Treatment Plant Polymer Dosing-Solitax-Solids 
LIT2145
  English US 1 MB 2005-03  
Analysis Of Waste-Gas / Off-Gas Oxygen and Hydrogen in Nuclear Power Plants 
LIT2093
  English US 73 KB 2016-02 Rev5
Optical Dissolved Oxygen Measurement in Power and Boiler Applications 
DOC043.53.30333
  English US 532 KB 2015-03 Mar15
Monitoring Iron Transport in the Steam Cycle via Grab Sample and Online Methods 
DOC040.53.10066
  English US 610 KB 2015-07 Jun16
Monitoring Iron Transport in the Steam Cycle via Grab Sample and Online Methods 
DOC040.53.10085
  English US 343 KB 2015-10 Sep15
Mixed Liquor Suspended Solids in Wastewater 
Application Solution AS-SS7
  English US 180 KB 2004-04 Ed1
Steam Condensate Monitoring with Low Level Oil Contamination Warning 
Hach White Paper G8
  English US 1 MB 2010-06 Ed1
Dissolved Ozone Measurement in Ultrapure Water for Semiconductor Manufacturing.
Dissolved ozone reacts with impurities to disinfect and reduce dissolved organics in the ultra-pure rinse water.
 
Application Note (no number)
  English US 28 KB 2009-06 Ed1
The Truth About Oxygen Testing 
LIT2125
  English US 1 MB 2014-01 Ed1
Electrochemistry Theory and Practice 
White Paper: pH Electrochemistry
  English US 320 KB 2011-02  
Temperature Compensation with pH Measurement 
LIT2007
  English US 524 KB 2013-08 Ed1
Orbisphere M1100: Customer Success Story-Carlsberg 
LIT2005
  English US 425 KB 2013-07  
Chlorination, Chloramination And Chlorine Measurement 
LIT2129
  English US 6 MB 2015-11 Ed1
Chlorine Dioxide Requires Reliable Monitoring Protocols 
Reprint from Opflow, Apr 2009-American Water Works Association
  English US 199 KB 2009-04 Ed1
Nitrogen Credit Trading Creates Opportunities for WWTPs, by Bob Dabkowski and Gary Johnson 
Reprint from WaterWorld-Sep 2010
  English US 294 KB 2010-09 Ed1
Granular Media Filtration for Water Treatment Applications 
White Paper by Terry Engelhardt, Hach Company
  English US 1 MB 2012-10  
Introduction to Laser Nephelometry: An Alternative to Conventional Particulate Analysis Methods, by Mike Sadar, Hach Company 
LIT7044
  English US 1 MB 2005-02 Ed 5
Measuring Turbidity in the Laser Age. Detecting early filter deterioration can be tricky, by Michael Sadar, Steve Cason, Terry Engelhardt 
Reprint from American Water Works Association, Nov 2009
  English US 587 KB 2009-11 Ed1
How to Monitor the CO₂ Purity in the Brewery 
Application Note by Georges Schmidt
  English US 344 KB 2013-03  
Further Advances in Monitoring Low Level Iron in the Steam Cycle-PPChem 2015 
DOC040.53.10063
  English UK 794 KB 2015-07 Aug15