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ATI Technologies PQ45P, O & M Manual

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ATI Technologies PQ45P O & M Manual Download Page 1

 

 

 
 

 

 

O & M Manual 

 

 

 

Model PQ45P 

Portable pH 

Measurement System

 

 

 

 

      

Home Office  

 

 

 

     European Office 

 

   

 Analytical Technology, Inc. 

 

    ATI (UK) Limited 

    

6 Iron Bridge Drive   

 

 

    Unit 1 & 2 Gatehead Business Park  

   

Collegeville, PA 19426 

 

 

    Delph New Road, Delph  

    

Phone:  800-959-0299 

 

 

    Saddleworth OL3 5DE 

                  

   610-917-0991 

 

 

    Phone:   +44 (0)1457-873-318 

    

Fax:       610-917-0992 

 

 

    Fax:       + 44 (0)1457-874-468  

    

Email: [email protected]      Email:  [email protected] 

 

 

  

 

 
 

Summary of Contents for PQ45P

Page 1: ...chnology Inc ATI UK Limited 6 Iron Bridge Drive Unit 1 2 Gatehead Business Park Collegeville PA 19426 Delph New Road Delph Phone 800 959 0299 Saddleworth OL3 5DE 610 917 0991 Phone 44 0 1457 873 318 Fax 610 917 0992 Fax 44 0 1457 874 468 Email sales analyticaltechnology com Email sales atiuk com ...

Page 2: ...4 71 Keys 17 4 72 Display 17 4 8 Software 18 4 81 Software Navigation 19 4 82 Measure Menu MEASURE 21 4 83 Calibration Menu CAL 21 4 84 Configuration Menu CONFIG 22 4 85 Control Menu CONTROL 25 4 86 Diagnostics Menu DIAG 25 PART 5 CALIBRATION 27 5 1 Overview and Methods 27 5 11 Sensor Slope 27 5 12 Sensor Offset 27 5 13 2 Point Calibration Explained 28 5 14 1 Point Calibration Explained 28 5 2 Per...

Page 3: ...FIGURE 2 FRONT VIEW OF HINGED PANEL 8 FIGURE 3 SENSOR AND FLOW COMPONENTS 9 FIGURE 4 STANDARD PH SENSOR 10 FIGURE 5 SENSOR CONNECTIONS PQ45P PH SYSTEM 11 FIGURE 11 SOFTWARE MAP 20 FIGURE 12 AUTOMATIC PH BUFFER TABLES 24 FIGURE 13 PQ45 DISPLAY MESSAGES 37 FIGURE 15 PT100 RTD TABLE 37 ...

Page 4: ...are equipped with shut off valves When both fittings are plugged in sample will flow When either the inlet or outlet fittings are disconnected sample flow will stop Sample flow rate is controlled internally by a special orifice flow control device that provides a fixed 400 cc min flow at sample inlet pressures between 5 and 75 PSI 0 3 5 0 Bar An in line y strainer is installed to trap particles la...

Page 5: ...to 32 000 total data points on temperature and pH Large high contrast custom Super Twist display provides excellent readability even in low light conditions The secondary line of display utilizes 5x7 dot matrix characters for clear message display Two of four measured parameters may be on the display simultaneously Sensor diagnostics monitor glass breakage sensor leaks and RTD condition Diagnostic...

Page 6: ...y membrane type with tactile feedback polycarbonate with UV coating integral EMI static shield and conductively coated window Ambient Temperature Service 20 to 60 C 4 to 140 ºF Storage 30 to 70 C 22 to 158 ºF Ambient Humidity 0 to 95 indoor outdoor use non condensing to rated ambient temperature range Electrical Certification Ordinary Location cCSAus CSA and UL standards both approved by CSA pollu...

Page 7: ...ftware supplied for data download and display 1 5 PQ45P Performance Specifications Accuracy 0 1 of span or better 0 01 pH Repeatability 0 1 of span or better 0 01 pH Sensitivity 0 05 of span 0 01 pH Stability 0 05 of span per 24 hours non cumulative 0 007 pH Warm up Time 7 seconds to rated performance Instrument Response Time 6 seconds to 90 of step input at lowest setting Temperature Drift Span o...

Page 8: ...f and moved to various locations without requiring further service 2 2 Front Panel Components The PQ45 contains an internal hinged panel Release the two main case latches and you will see the electronic monitor on the front of the panel with a graphic of the software map located below The graphic is meant to be a reference for navigating the software in the analyzer If the optional data logger was...

Page 9: ...nd is designed for connection to water sources with pressure between 5 and 75 PSI Note that the drain tube MUST discharge to an unpressurized drain You may not connect the drain to a pressurized line or the system will not function properly Most tubing connections are made using what are called instant tube fittings These fitting are designed to allow tubing to be readily removed in case service i...

Page 10: ...ou will connect your water sample These connectors contain valves that automatically close when the mating connector is removed Mating connectors also contain valves so that sample lines can be disconnected without closing the main tap valve A 20 foot 6 m length of 0 25 O D x 0 17 I D polyurethane tubing is supplied for connection to water lines In addition tube fittings that mate with either 1 8 ...

Page 11: ...ased with the unit these cables will not be installed Units supplied with the external power and output connector will be provided with a mating cable assembly 3 2 Sensor Connections Figure 5 below provides information on the proper connection of sensor cables This information is for reference only as the connections are made at the factory Note that jumpers will be installed at the factory betwee...

Page 12: ...f This switch is normally in the OFF position With the lock switch off the monitor will be turned on manually using the MENU key on the front of the monitor With the lock switch in the ON position the monitor will always be on when there is enough power to run the monitor The ON position is normally used when operating from an external power supply intended for continuous operation MODE This switc...

Page 13: ...itor resulting in a bit less battery life 3 4 External Power Output Connections PQ45H units ordered with the external connection option are designed for applications where power is to be supplied from an external source and the two voltage outputs are to be wired to an external device If that option has been supplied an interface cable will be provided Figure 7 below identifies the terminal connec...

Page 14: ... the batteries This is normally used only when the system is not to be used for a long period of time 3 months of storage Otherwise leave this switch in the ON position There is a display flag B that will flash next to the main measurement indication when the instrument requires battery replacement If the battery is not replaced eventually the unit may not turn on in the normal operating mode Once...

Page 15: ...vices 4 5 Data logger Module For local data recording using the two voltage outputs the optional data logger is mounted on the PQ45 front panel below the monitor display unit Interface cables are factory wired to the logger with plugs that easily disconnect when removing the logger for downloads For the interface cables the white lead from the plug connects to and the outer braid connects to The 0...

Page 16: ...e accessed from this user interface no internal jumpers pots etc MENU ICONS UNITS 12 CHARACTER SECONDARY DISPLAY MEMBRANE KEYPAD MENU ESC ENTER A B DIAG FAIL HOLD CAL CONF MENU ICONS UNITS 12 CHARACTER SECONDARY DISPLAY MEMBRANE KEYPAD ENTER KEY LEFT ARROW KEY 4 DIGIT MAIN DISPLAY MENU ESCAPE KEY UP ARROW KEY SIGN RELAY LO BAT INDICATOR 4 KEY USER INTERFACE RELAY INDICATOR Figure 10 User Interface...

Page 17: ...ack light to allow good visibility under any conditions In the default mode of operation the back light will come on when any key is pressed and will remain on for about 30 seconds after a key has been pressed The back light can be turned on or off in the DIAG menu There are three main areas of the display the main parameter display the secondary message line and the icon area Main Parameter Durin...

Page 18: ...nto output hold In this case the output is locked to the last input value measured when the HOLD function was entered HOLD values are retained even if the unit power is cycled FAIL The FAIL icon indicates that the system diagnostic function has detected a problem that requires immediate attention This icon is automatically cleared once the problem has been resolved Icon B The left screen area cont...

Page 19: ...leted pressing ENTER again stores the variable and stops the flashing Pressing ESC aborts the change and also exits user entry mode The starting default screen is always the Measure Menu The UP arrow key is used to select the desired display From anywhere in this section the user can press the MENU key to select one of the four Menu Sections The UP arrow icon next to all list items on the display ...

Page 20: ... Set Hold Cal Temp Set 2 5V 1 Set 0V 2 Set 2 5V 2 Fault List Sim Out Software Version Temperature Output 1 LIST ITEMS MENU SECTIONS Output 2 Default All Slope CONTROL or Entry Lock Set Delay Contrast Main Display Out 1 Mode Out 2 Mode Temp Units Sensor mV Offset Select TC Sensor Type Auto Buffer Glass Diags Figure 11 Software Map ...

Page 21: ...cay indicating sensor aging Useful for resolving sensor problems Offset 0 0 mV Sensor output current at a zero input This value updates after a zero calibration has been performed Useful for resolving sensor problems Q45P v2 07 Transmitter software version number Note A display test all segments ON can be actuated by pressing and holding the ENTER key while viewing the model version number on the ...

Page 22: ...measurements being made Both the display and the output value are affected by the degree of damping Functions such as calibration are not affected by this parameter The calibration routines contain their own filtering and stability monitoring functions to minimize the calibration timing Press ENTER to initiate user entry mode and the value will flash Use the arrow keys to modify value range is 0 1...

Page 23: ...calibration mode The PQ45P contains 3 sets of built in buffer tables with compensation values ranging from 0 to 95 C During 2 point calibration the instrument will automatically identify which buffer is being used and compensate for the value based on the built in tables This allows very quick highly accurate calibrations by the user The order in which the buffers are used during calibration is un...

Page 24: ... 7 01 95 9 77 4 00 pH 7 00 pH 9 18 pH ºC pH C pH C pH 0 4 00 0 7 10 0 9 46 10 3 99 10 7 06 10 9 33 20 4 00 20 7 02 20 9 23 30 4 01 30 6 99 30 9 14 40 4 03 40 6 97 40 9 07 50 4 05 50 6 98 50 9 01 60 4 08 60 6 98 60 8 96 70 4 12 70 6 97 70 8 92 80 4 16 80 6 99 80 8 89 90 4 21 90 7 01 90 8 85 95 4 24 95 7 01 95 8 83 4 65 pH 6 79 pH 9 23 pH ºC pH C pH C pH 0 4 67 0 6 89 0 9 48 10 4 66 10 6 84 10 9 37 ...

Page 25: ... the sensor from the process to hold the output in a known state Once HOLD is released the outputs return to their normal state of following the process input The transfer out of HOLD is bumpless on the both analog outputs that is the transfer occurs in a smooth manner rather than as an abrupt change An icon on the display indicates the HOLD state and the HOLD state is retained even if power is cy...

Page 26: ...monitoring equipment during set up or troubleshooting Escaping this screen returns the unit to normal operation Press ENTER to initiate the user entry mode and the right most digit of the value will flash Use arrow keys to modify desired value The starting display value will be the last read value of the input The output will be under control of the SIM screen until the ESC key is pressed Glass Di...

Page 27: ...of their uses 5 11 Sensor Slope The sensor slope is a number expressed as a percentage which represents the current condition of the sensor electrodes The slope display is updated after every calibration When new the sensor slope should be between 95 and 105 A 100 slope represents an ideal sensor output of 59 16 mV pH from standardization 7 00 pH at 25 C Over time the glass electrodes in the senso...

Page 28: ... choose to perform on line 1 point calibrations weekly and 2 point calibrations monthly 5 2 Performing a 2 Point Calibration The 2 point calibration method utilizes an automatic buffer recognition and compensation system For this system to operate properly the user must first configure the proper buffers in the Set Buffers screen see Section 4 64 If the buffers are not present in this menu the use...

Page 29: ...for approximately 10 15 seconds At this time the system is attempting to recognize the second buffer value from the two values entered into the Set Buffers selection 11 The screen will display the buffer value to be used for calibration If the user chooses to change this value the arrow keys can be used to modify the value Any value between 0 00 and 14 00 pH can be entered The second buffer must b...

Page 30: ...f activated and a message will be displayed prompting the user for the lab value The user must then modify the screen value with the arrow keys and press ENTER The system then performs the proper checks 7 If accepted the screen will display the message PASS with the new offset reading and then it will return to the main measurement display If the calibration fails a message indicating the cause of...

Page 31: ... digit will begin to flash indicating that the value can be modified Using the UP and LEFT arrow keys modify the value to the known ref solution temperature Adjustments up to 5 C from the factory calibrated temperature are allowed Press ENTER 5 The calibration data gathering process will begin The message Wait will flash as data is accumulated and analyzed The C or F symbol may flash periodically ...

Page 32: ... computer Insert the software CD into your CD drive and follow the instructions on your computer screen for installation For convenience you may wish to install a shortcut icon on your desktop for starting up the HoboWare Pro software The manufacturer of the data logger and software provides a convenient on line video instruction for using HoboWare Pro software From your internet command line type...

Page 33: ...on can be seen on the setup screen in the HOBOware Pro software To change the battery remove the 2 screws from the back of the logger and open the plastic case Slide the battery out of the holder and replace it with a new battery The battery type is Sony CR 2032 or equivalent and is widely available in electronics stores camera stores and some drug stores and supermarkets They can also be purchase...

Page 34: ... out the strap and then remove and replace the batteries Pay attention to battery polarity to insure proper operation Use only high quality batteries in this instrument Use of poor quality batteries often results in battery acid leakage that will damage the electronics If the system will not be used for a period of more than 30 days remove the batteries from the instrument to avoid possible damage...

Page 35: ...8 2 Analyzer Tests 1 Disconnect power and completely disconnect all output wiring coming from the analyzer Remove sensor wiring relay wiring and analog output wiring Re apply power to the analyzer 2 Using the Simulate feature check operation of outputs with a DMM 3 Check cell drive circuit With a digital voltmeter DVM measure the voltage between terminals 1 and 3 on the back of the monitor to veri...

Page 36: ...or correct buffer values Offset High Sensor offset from calibration is less than 90 mV or greater than 90 mV Clean or replace saltbridge replace reference cell solution clean sensor get fresh cal solutions allow temperature and pH readings to fully stabilize check for correct buffer values Out of Range Input value is outside selected range of the specific list item being configured Check manual fo...

Page 37: ...eak Leakage detected on reference electrode of sensor Reference glass may be cracked or broken Electrical noise may falsely trip this diagnostic Turn off glass diagnostic feature and see if sensor operates correctly If it does not sensor must be replaced Figure 13 PQ45 Display Messages Temperature C Resistance 0 100 0 5 101 9 10 103 9 15 105 8 20 107 8 25 109 7 30 111 7 35 113 6 40 115 5 45 117 5 ...

Page 38: ...Battery circuit board with dual 0 2 5 VDC output 63 0013 pH Sensor twist lock 45 0254 pH Flowcell 55 0048 Fixed flow regulator 0 4 LPM 47 0093 Y Strainer delrin 74 micron 42 0289 O ring for 63 0013 Sensor 44 0287 Panel mount inlet outlet fitting 44 0288 Inlet Outlet plug in connector Lock Unlock Code 1456 ...

Page 39: ...se alteration improper storage or extended exposure to excessive gas concentrations Should inspection indicate that sensors have failed due to any of the above the warranty shall not apply The Manufacturer assumes no liability for consequential damages of any kind and the buyer by acceptance of this equipment will assume all liability for the consequences of its use or misuse by the Customer his e...

Page 40: ...ODUCTS NH3 Ammonia CO Carbon Monoxide H2 Hydrogen NO Nitric Oxide O2 Oxygen CO Cl2 Phosgene Br2 Bromine Cl2 Chlorine ClO2 Chlorine Dioxide F2 Fluorine I2 Iodine HX Acid Gases C2H4O Ethylene Oxide C2H6O Alcohol O3 Ozone CH4 Methane Combustible Gas H2O2 Hydrogen Peroxide HCl Hydrogen Chloride HCN Hydrogen Cyanide HF Hydrogen Fluoride H2S Hydrogen Sulfide NO2 Nitrogen Dioxide NOx Oxides of Nitrogen S...

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