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Summary of Contents for Thermo Scientific AquaSensors AnalogPlus
- Page 1 Thermo Scientific AquaSensors ™ AnalogPlus ™ Differential pH Sensors User Guide...
- Page 2 Safety Information The Thermo Scientific AquaSensors AnalogPlus pH sensors shall be installed and operated only in the manner specified. Only a skilled, trained or authorized person should carry out installation, setup and operation of the sensor system. Before using the sensor, make sure that the sensor cable is connected as specified.
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Page 3: Table Of Contents
BODIES ................................. 28 ANALOGPLUS DIFFERENTIAL PH SENSORS AND MOUNTING HARDWARE FOR 1.5- INCH BODIES .............................. 29 PH SOLUTIONS AND SALT BRIDGE REPLACEMENTS ............30 LIMITED WARRANTY........................31 TERMS AND CONDITIONS......................32 ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... -
Page 4: Introduction
1. Introduction 1.1. General Information Thank you for purchasing a Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor. This industrial sensor has many enhanced features that offer superior performance in process applications. The product is designed for continuous use in industrial process applications and complies with safety regulations currently in force. -
Page 5: Intended Use
1.2. Intended use The Thermo Scientific AquaSensors AnalogPlus pH sensor is designed to continuously measure pH and temperature in aqueous solutions in accordance with the technical product specifications in Section 2.2 of this manual. Any other use, or use not mentioned here, that is incompatible with the technical specifications is deemed inappropriate. -
Page 6: Product Description
2. Product Description 2.1. Sensor Description Thermo Scientific AquaSensors AnalogPlus pH sensors use a differential measurement technique to maximize lifetime in continuous industrial applications. • The ground rod and encapsulated preamplifier construction reduce the effects of ground loops and allow the pH signals to be transmitted up to 3,000 feet. Titanium is the standard ground rod material. -
Page 7: Compatible Analyzers And Controllers
(EG: FP21A-7-D10) are compatible with AquaMetrix differential pH analyzers. AnalogPlus pH sensors with a temperature/hookup code of “8” work with our P99 analyzer or GLI/HACH P63/P53/P33/P3 analyzers and transmitters. ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... -
Page 8: Specifications
Thermo Scientific AquaSensors AV88 and P99 analyzers have a number of options to provide the right features at the right price for an application. Common part numbers are shown in the table below. Analyzers Description Part Number AV88 Universal Analyzer 2 outputs, 2 relays, PID. -
Page 9: Installation
CPVC and PEEK® Salt bridges are available in three styles: Protected electrode for standard applications. Flat for sanitary applications. Flat with face seal for flow chambers. Figure 3.1: 1.5 inch pH Sensor with Salt Bridge Options ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... - Page 10 Teflon Wiper for 2-Inch ball valves. Smooth CPVC 1.5 Inch Body for 2 inch Ball Valve insertion. CPVC pH Sensor with 2.5-inch Tri-clamp flange. Figure 3.2: Body Variations for pH Sensors ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide...
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Page 11: Sensor Body Dimensions
[154.7 mm] pH ELECTRODE 1.35 in GROUND ROD Figure 3.3: 1.0 Inch Diameter Body [34.0 mm] Dimensions: IN (mm) REFERENCE Figure 3.4: 1.5 Inch Diameter Body Dimensions: IN (mm) ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... -
Page 12: Important Points To Remember During Installation
If the sensor does not calibrate, refer to Section 4 to review maintenance, refurbishment and troubleshooting options. ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... -
Page 13: Wiring Overview
Be sure that the wire colors of the sensor cable match those of the interconnect cable on either side of the terminal strip. Route the interconnect cable through grounded metal conduit to minimize electrical noise that may interfere with the sensor signal. ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... -
Page 14: Connections For Av88 Controllers
Wire Function pH Active Electrode Green pH Reference Electrode White -5 VDC Black Ground Yellow Temperature Shield Earth Ground Figure 3.6: pH sensor hook-up for P99 and GLI/Hach Controllers ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... -
Page 15: Sensor Mounting
3.4. Sensor Mounting 3.4.1. Pipe Tee Mounting Thermo Scientific AquaSensors 1.0 inch and 1.5 inch diameter bodies are threaded into standard pipe tees. Normally available pipe tees vary widely in construction dimensions. CPVC pipe tees are most generally available with schedule 80 walls and AnalogPlus sensors generally fit as shown here. - Page 16 Insert the sensor into the tee and slowly turn clockwise until secure. Tighten the sensor with a wrench until snug to prevent leaking. Be sure the pipe remains full when the sensors are installed. ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide...
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Page 17: Union Mounting
Optimal positioning of sensing surface. Trouble-free installation. Easy maintenance. Dimensions: IN (mm) Dimensions: IN (mm) Figure 3.9: Union Mounting Figure 3.10: Union Mounting 1.0 Inch Sensor Body 1.5 Inch Sensor Body ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... - Page 18 Inspect the O-ring on the union-mounting threaded flange for imperfections or particles of dirt that may prevent the O-ring seal from seating properly. b. Carefully insert the sensor into the Thermo Scientific AquaSensors union mounting tee. Turning the retaining collar clockwise and hand tighten until snug. Be sure the pipe remains full when the sensor is installed.
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Page 19: Immersion Mounting
1.5 Inch Sensor Part Number 1.0 Inch Sensor Part Number Immersion Assembly MH2083 MH3083 Immersion Assembly MH2242 MH1242 w/Swivel Rail Mounting Immersion Assembly MH2252 MH1252 w/Swivel and Ball Float ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... - Page 20 Route the interconnect cable through metal conduit to minimize electrical noise that may interfere with the sensor signal. ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide...
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Page 21: Tri-Clamp Mounting
Removable Salt Bridge Glass pH Electrode Figure 3.13: 1.5 Inch Sensor body with 2.5 Inch Tri-clamp flange. (–S25 Part Number Suffix) 3.375 Inches ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... -
Page 22: Ball Valve Mounting
Figure 3.14: pH Sensors for Ball Valve Applications Sensor 1.5 Inch Ball Valve Assembly shown Depth with 1 inch diameter sensor body in the retracted and extended positions. ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... -
Page 23: Flow Chamber Mounting
These salt bridges can be retrofitted to any Thermo Scientific AquaSensors pH sensor. The flow chamber is mounted at a minimum of 15° above horizontal with the inlet at the bottom and the outlet at the top. The sensor is inserted into the chamber so that the salt bridge face seal seats. -
Page 24: Ph Sensor Maintenance
4.1.4. After cleaning the sensor, calibrate sensor per instructions in the controller manual. 4.1.5. Reinstall sensor in process. ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... -
Page 25: Ph Sensor Refurbishment - Replacing The Salt Bridge And Reference Solution
If after cleaning and refurbishment sensors still have slow responses, low measurement slopes or are seriously abraded or scratched, they must be replaced. Contact your local representative or call Thermo Fisher Scientific Customer Service. ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... -
Page 26: Ph Sensor Troubleshooting
Note: The salt bridge of any pH sensor in storage must be kept moist at all times. Protective caps should be filled with Thermo Scientific AquaSensors storage solution for best performance. The protective cap should be placed securely over the sensor head. - Page 27 If the voltage remains low then the analyzer may be defective. If the sensor passes the temperature, offset, span and power tests but the analyzer is not displaying the correct values, the analyzer may be defective. ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide...
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Page 28: Analogplus Differential Ph Sensors And Hardware For 1.0-Inch Bodies
For extension cables. Terminal strip included. JBOXX01 Extension Cable AnalogPlus extension cable APECxx; xx=ft Wash Hardware Attach purge block to sensor body. Works with compressor & AV88 wash relay. MH1132 ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... -
Page 29: Analogplus Differential Ph Sensors And Mounting Hardware For 1.5-Inch Bodies
For extension cables. Terminal strip included. AnalogPlus Extension cable JBOXX01 Extension Cable APECxx; xxx=ft Wash Hardware Attach purge block to sensor body. Works with compressor & AV88 wash relay. MH2132 ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... -
Page 30: Ph Solutions And Salt Bridge Replacements
CPVC, Process Flat Qty 10 For all pH and ORP sensors with CPVC bodies. Quantity 10 SBS04-10 Storage cover Comes with sponge to keep stored sensor electrodes wet SBC01 ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... -
Page 31: Limited Warranty
DIFFERENTIAL pH and ORP SENSOR WARRANTY/REPLACEMENT PLAN Thermo Fisher Scientific warrants its Thermo Scientific AquaSensors AnalogPlus Differential pH and ORP sensors against material and workmanship defect for a period of two years from the date of shipment in accordance with the following... -
Page 32: Terms And Conditions
Appropriate charges, such as freight and insurance will be added to invoices. All shipments will be insured. Goods damaged in shipment must be reported by the recipient to the freight carrier for claims. ™ ™ Thermo Scientific AquaSensors AnalogPlus Differential pH Sensor User Guide... - Page 33 258469-001 Rev. A 01-09...
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