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ATI Technologies Q45D Скачать руководство пользователя страница 2

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O&M Manual
Rev-L (7/15)

Table of Contents

PART 1 - INTRODUCTION ..................................4

................................................. 4

................................................ 4

PART 2 – INSTRUMENT HANDLE/MOUNTING ..7

................................................. 7

.................................... 7

PART 3 –ELECTRICAL CONNECTION ..................8

................................................. 8

...................... 8

PART 4 – SENSOR ASSEMBLY.......................... 11

................. 11

......................... 13

PART 5 – OPERATION ..................................... 14

............................................... 14

............ 14

............... 16

................................. 16

.............................. 17

..................................................... 18

................................................ 18

............................................. 19

.......................... 20

[MEASURE] ................ 22

[CAL] ...................... 22

[CONFIG]........... 23

[CONTROL] ................. 24

[DIAG] ................... 25

PART 6 – CALIBRATION .................................. 27

ISSOLVED OXYGEN

.............. 27

ISSOLVED OXYGEN

) .......... 28

ISSOLVED OXYGEN

.................. 29

.................... 30

PART 7 – SYSTEM MAINTENANCE .................. 31

.............................................. 31

........................ 31

........................... 31

..................... 32

PART 8 – SERVICE .......................................... 33

.............................................. 33

............ 33

.................................... 33

................................ 33

....................................... 35

SPARE PARTS LIST .......................................... 38

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Содержание Q45D

Страница 1: ... 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 Web www Analyticaltechnology com ...

Страница 2: ...S 16 4 5 SOFTWARE INTERFACE 17 4 6 KEYS 18 4 7 DISPLAY 18 4 8 SOFTWARE 19 4 9 SOFTWARE NAVIGATION 20 5 0 MEASURE MENU MEASURE 22 5 1 CALIBRATION MENU CAL 22 5 2 CONFIGURATION MENU CONFIG 23 5 3 CONTROL MENU CONTROL 24 5 4 DIAGNOSTICS MENU DIAG 25 PART 6 CALIBRATION 27 6 1 DISSOLVED OXYGEN CALIBRATION 27 6 2 DISSOLVED OXYGEN SPAN CAL 1 SPL 27 6 3 DISSOLVED OXYGEN SPAN CAL SAT 28 6 4 DISSOLVED OXYGE...

Страница 3: ...ion ATI 0671 10 Figure 5 Submersible Sensor Assembly 11 Figure 6 Submersible Sensing Module Assy 12 Figure 7 Flow Type Sensor Assy ATI 0860 13 Figure 5 Battery Board Connections 15 Figure 9 User Interface ATI 0654 17 Figure 10 Software Map 21 Figure 11 Q45D Display Messages 34 Figure 12 Pt100 RTD Table 35 Figure 13 Reference Barometric Pressure Conv 36 Figure 14 Reference Water Sat Conc Of O2 37 ...

Страница 4: ...r pH and pH Both analog outputs can be individually programmed to specific ranges Large high contrast custom Super Twist display provides excellent readability 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 An LED back light can be turned on if necessary for use in very low light condit...

Страница 5: ... 112 mm x 3 5 89 mm Mounting Options Handheld w Nylon Carrying strap Weight 1 lb 0 45 kg Ambient Temperature Instrument Service 20 to 60 C 4 to 140 ºF Sensor Service 5 to 55 C 23 to 131 F Storage 30 to 70 C 22 to 158 ºF Ambient Humidity 0 to 95 indoor outdoor use non condensing to rated ambient temperature range Altitude Up to 2000 m 6562 ft Electrical Certification Ordinary Location cCSAus CSA an...

Страница 6: ...rs etc Battery Life Approximately 240 hours of operational use on a set of batteries without backlight 1 4 Q45D Performance Specifications Accuracy 0 2 of span or better Repeatability 0 05 of span or better Sensitivity 0 05 of span Non linearity 0 1 of span Stability 0 05 of span per 24 hours non cumulative Temperature Drift Span or zero 0 01 of span ºC Warm up Time 3 seconds to rated performance ...

Страница 7: ...esignedto be a portable system it can be permanently mounted for longer term fielduse This is possible due to the very long battery lifespans that can be achieved with the system 2 2 PortableHandle A removable handle is included with each unit that provides not only comfortable transportation of the system but the integral locking strap allows the system to be quickly mounted to pipes or rails for...

Страница 8: ...justable frequency drives motors or other noisy electrical signal lines Do not run sensor or signal cables in conduit that contains AC power lines or motor leads 3 2 DirectSensorConnection The sensor cable should be routed into the enclosure through the right hand cord grip on the bottom of the enclosure Make sure the cord grips are snugly tightened after electrical connections have been made to p...

Страница 9: ...ATIQ45D Portable Dissolved Oxygen Part 3 Electrical Connection Figure 3 Flow Type Connections ATI 0658 ...

Страница 10: ...ATIQ45D Portable Dissolved Oxygen Part 3 Electrical Connection Figure 4 Submersible Sensor Connection ATI 0671 ...

Страница 11: ...y for operation Until then it is best to leave the sensor in the condition in which it is received Submersible oxygen sensors are made up of two separate parts a submersion holder that also contains the temperature compensating element and a sensing module The sensing module screws into the holder with an o ring providing a water tight connection Figure 5 below shows the assembly Figure 5 Submersi...

Страница 12: ...e membrane The membrane is clear and is separated from other membranes by a light blue paper spacer 4 Screw the front nut on to the chamber until you feel the o ring compress Hand tight compression is all that is needed Do not use tools to tighten The membrane should be flat across the bottom of the chamber without wrinkles 5 Fill the chamber with electrolyte until the level reaches the bottom of ...

Страница 13: ...or on its tip or damage to the membrane will result Severe impacts on the tip of the sensor from dropping or other misuse may cause permanent damage to the sensor 4 2 Flow Type D O Sensor The D O sensor designed for use in flow applications is similar in construction to the sensing module described above The method for sensor preparation is basically the same as described in section 4 1 Figure 7 F...

Страница 14: ... data In this mode the instrument will run continuously until the battery reaches the shut down level 1 6V It should be noted that rechargeable AA batteries reduce operational times dramatically as they typically contain much less energy than standard batteries The PWR switch disconnects the AA batteries and is only used to disconnect the battery if the system is not to be used for a long period o...

Страница 15: ... an external power supply intended for continuous operation MODE This switch is used to set the voltage at which monitor will shut off when powered by internal batteries Alkaline batteries can normally be run down to about 0 8 volts When using alkaline batteries the mode switch is in the OFF position factory default If rechargeable NiMH batteries are substituted place the MODE switch in the ON pos...

Страница 16: ...he two AA batteries and the output terminal strip for the two 0 2 5 VDC outputs Along the left side below the ribbon cable is an ON OFF slide switch This switch can be used to turn the instrument completely OFF when not intending to use the unit for an extended period 4 4 Voltage Outputs There are two sets of analog voltage outputs on the battery board that may be used to send isolated data back t...

Страница 17: ...ccessed from this user interface no internal jumpers pots etc Figure 9 User Interface ATI 0654 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 INDI...

Страница 18: ...and to store any change 4 7 Display The large custom display provides clear information for general measurement use and user configuration There are three main areas of the display the main parameter display the secondary message line and the icon area Main Parameter During normal operation the main parameter display indicates the present process input with sign and units This main display may be ...

Страница 19: ...t of the transmitter has been put into 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 resolv...

Страница 20: ... one parameter for example changing temperature display units from F to C In the multiple variable sequence variables are changed as the result of some process For example the calibration of dissolved oxygen generally requires more than one piece of information to be entered The majority of the menu items in the software consist of the single variable format type Any data that may be changed will ...

Страница 21: ...ses the change to be stored and the flashing to stop The message Accepted will be displayed if the change is within pre defined variable limits If the user decides not to modify the value after it has already been partially changed pressing the ESC key aborts the modification and returns the entry to its original stored value In a menu item which is a multiple variable sequence type once the ENTER...

Страница 22: ... will decay indicating sensor aging Useful for resolving sensor problems Offset 0 mV Sensor output signal at a zero ppm input This value updates after a zero calibration has been performed Useful for resolving sensor problems 85 4 sa Saturated dissolved oxygen value Q45D0 v2 10 Transmitter software version number Note A display test all segments ON can be actuated by pressing and holding the ENTER...

Страница 23: ...Contrast This function sets the contrast level for the display The custom display is designed with a wide temperature range Super Twist Nematic STN fluid The STN display provides the highest possible contrast and widest viewing angle under all conditions Contrast control of this type of display is generally not necessary so contrast control is provided as a means for possible adjustment due to agi...

Страница 24: ...uring initial installation it does not need to be modified at every calibration Press ENTER to initiate user entry mode and the value will flash Use the arrow keys to modify the value range is 0 00 to 76 00 mS cm Press ENTER to store the new value Note If the user will not be changing solution conductivity dramatically during the calibration process leave a default setting of 00 50 mS cm Out 2 Mod...

Страница 25: ...s ENTER to initiate user entry mode and entire value will flash Use the UP arrow key to modify the desired value selections are ON for engaging the HOLD function and OFF to disengage the function Press ENTER to store the new value Fault List The Fault List screen is a read only screen that allows the user to display the cause of the highest priority failure The screen indicates the number of fault...

Страница 26: ...he instrument will automatically shut off in 30 minutes after no keys are pressed to save power If OFF the meter will stay powered continuously until either the internal power switch on the battery board is turned OFF or the battery voltage drops to the cut off point approximately 8 10 days on a standard 9 VDC alkaline battery Press ENTER to initiate user entry mode and the entire value will flash...

Страница 27: ...t the proper operating parameters including atmospheric pressure and solution conductivity The system provides three methods of D O calibration 1 Point sample and Saturation air cal and Zero These three methods are significantly different 6 2 Dissolved Oxygen Span Cal 1 spl The 1 Point sample or comparison method is intended to be primarily used as an on line calibration however the sensor can be ...

Страница 28: ...ration point utilizing the temperature readings and the barometric pressure user data This method therefore requires no user input during calibration Note It is very important to allow enough time for the sensor to completely temperature equilibrate with the surrounding air This time is at least 10 minutes This method requires that the sensor be removed from the process cleaned and covered with a ...

Страница 29: ...ficient to simply leave the zero at the factory default of 0 mV As an alternative an electronic zero can be set by disconnecting the sensor from the cable and performing the steps below These steps below assume that the sensor has been prepared in accordance with section 4 1 Dissolved Oxygen Sensor Assembly earlier in this manual Note that the 10 hour waiting time in step 2 below is not required i...

Страница 30: ...sensor between widely different temperature conditions it may be necessary to allow the sensor to stabilize as much as one hour before the calibration sequence is initiated If the sensor is on line the user may want to set the output HOLD feature prior to calibration to lock out any output fluctuations 1 Scroll to the CAL menu section using the MENU key and press ENTER or the UP arrow key 2 Press ...

Страница 31: ... biological growth can form on the surface of the membrane and these deposits will reduce the sensitivity to oxygen Normally these coatings can be removed by simply wiping the membrane with a soft cloth or paper towel Should a coating form on the membrane that does not wipe off it is best to change the membrane Chemical cleaning may work as well but a new membrane is a more reliable solution To ch...

Страница 32: ...be done automatically every 12 months The lead electrode is the thick lead wire wrapped around the sensor body see Figure 6 It is connected through a stainless steel post with a nut and star washer To change the lead electrode remove the nut and washer and unwrap the old lead Loop the end of a new lead electrode around the post and replace the nut and washer Tighten the nut firmly but do not over ...

Страница 33: ... external connections 1 Carefully examine sensor wiring connections for loose wiring or bad wire stripping 2 Check sensor membrane for fouling Look closely for signs of grease or oil which may be present Replace membrane and electrolyte allow to stabilize and re check The procedure in Dissolved Oxygen Sensor Assembly in section 4 1 must be followed when replacing the membrane 8 3 Analyzer Tests 1 ...

Страница 34: ...connections to sensor D O High The dissolved oxygen reading is greater than the maximum of the User selected range The dissolved oxygen reading is over operating limits Set measuring range to the next highest level Temp High The temperature reading is 55ºC The temperature reading is over operating limits Check wiring and expected temp level Perform RTD test as described in sensor manual Recalibrat...

Страница 35: ...range wires Reading resistance you should find an open circuit value of infinite resistance There must be no measurable resistance at all between these wires Any resistance at all indicates either water in the cable connector or the breakdown in an electrode seal 6 Connect a DVM between the red and white wires The red wire is part of the RTD circuit and the white wire is part of the measuring cell...

Страница 36: ... operation However steps 4 and 5 above will have to be repeated After drying to see if the problem is gone Barometric Pressure Conversion Inches of Mercury inHg Millimeters of Mercury mmHg Feet Above Sea Level 22 00 558 8 8790 22 50 571 5 8053 23 00 584 2 7347 23 50 596 9 6671 24 00 609 6 6023 24 50 622 3 5402 25 00 635 0 4806 25 50 647 7 4233 26 00 660 4 3682 26 50 673 1 3156 27 00 685 5 2653 27 ...

Страница 37: ... 7 8 42 5 6 12 6 84 28 9 7 7 44 6 7 12 2 86 30 0 7 5 46 7 8 11 9 88 31 1 7 4 48 8 9 11 6 90 32 2 7 3 50 10 0 11 3 92 33 3 7 1 52 11 1 11 0 94 34 4 7 0 54 12 2 10 7 96 35 6 6 9 56 13 3 10 4 98 36 7 6 8 58 14 2 10 2 100 37 8 6 6 60 15 6 9 9 102 38 9 6 5 62 16 7 9 7 104 40 0 6 4 64 17 8 9 5 106 41 1 6 3 66 18 9 9 3 108 42 2 6 2 68 20 0 9 1 110 43 3 6 1 70 21 1 8 9 112 44 4 6 0 72 22 2 8 7 114 45 6 5 ...

Страница 38: ...ber with pressure gland 48 0001 Membrane holder type 316 stainless steel 45 0010 Membrane holder noryl 04 0003 Replacement lead electrode 05 0001 5 mil Membranes pkg of 10 05 0011 Membranes 2 mil pkg of 10 05 0014 Spare Parts Kit screw o ring 05 0015 Spare Parts Kit screw o ring Flow Sensor 05 0088 Pressure gland rebuild kit 42 0014 Flowcell O ring 09 0007 Dissolved oxygen electrolyte 4 oz 120 cc ...

Страница 39: ... 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 employees or o...

Страница 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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