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Servicing

INSTRUCTION MANUAL AquaScat 2

11778E/1

WORKSTEP

PROCEDURE

Clean the transmitter.

4.1: Loosen the two screws (circles) and remove the
transmitter.

4.2: Clean the lens (arrow) on the transmitter with a
cotton-tipped applicator moistened with ethanol.

4.3: After cleaning, place the transmitter on the posi-
tioning pins (circles, picture above) and fasten with the
two screws.

Clean the lens of the receiv-
er.

5.1: Screw out the aperture assembly (X) counter-
clockwise.

Summary of Contents for 118992

Page 1: ...Document number 11778E Version 1 Valid from 2012 04 01 INSTRUCTION MANUAL AquaScat 2 Versions WTM WTM A HT Turbidimeter with non contact measuring cell...

Page 2: ...T PHOTOMETER AG subject to technical changes without notice 7 2017 SIGRIST PHOTOMETER AG Hofurlistrasse 1 CH 6373 Ennetb rgen Switzerland Tel 41 41 624 54 54 Fax 41 41 624 54 55 info photometer com ww...

Page 3: ...nical mounting of the photometer 13 4 3 Mounting the docking station 15 4 4 Remove optics unit place on docking station 16 4 5 Mounting the sample connections 18 4 6 Installation of the optional acces...

Page 4: ...8 7 Clean the optics 60 8 8 Replace air filter 65 8 9 Change battery 66 9 Troubleshooting 68 9 1 Pinpointing the cause of a malfunction 68 9 2 Replace fine wire fuse 69 9 3 Warning and error messages...

Page 5: ...tant functions and com plete menu structure 11780E Reference Manual More extended menu functions and work steps for advanced users 11880E Data sheet Descriptions and technical data about the photomete...

Page 6: ...anger warning may lead to electrical shocks or death Danger due to explosion that may result in serious bodily injury or death Non observance of this notice may cause explosions resulting in serious m...

Page 7: ...rmity Current technological principles were followed in designing and manufacturing the photom eter They comply with the applicable directives concerning safety and duty to take due care The system me...

Page 8: ...and the instrument and therefore assumes no legal responsibility The instrument is used in a way not included in the described area of application The instrument is not properly mounted The instrumen...

Page 9: ...l accessory parts Figure 1 Measuring station with optional accessory parts Photometer with non contact measuring cell Sectio n 2 3 2 4 Docking station Section 4 3 Deaeration tube Flow meter with optio...

Page 10: ...on AquaScat 2 The photometer is fitted with a rating plate Figure 2 Rating plate on the AquaScat 2 Manufacturer Country of origin Product name Serial number Date of manufacture Service voltage Frequen...

Page 11: ...11779D English 111779E French 11779F PCS ART NO NAME VIEW VARIANT 1 118788 Long level control Section 2 1 1 118778 Deaeration tube Section 2 1 1 118811 Hose kit for long level con trol Section 2 1 1 1...

Page 12: ...ibus DP interface print for AquaScat 2 Reference Manual 1 119103 Modbus RTU interfaces print for AquaScat 2 Reference Manual 1 119041 Current output 4 times for AquaScat 2 1 119045 24 VDC power supply...

Page 13: ...x 0 4 20 mA galvanically isolated to max 50 V relative to ground Burden max 600 Relay contacts 2 relay contacts 250 V 4 A Control unit Integrated control unit Measuring ranges 8 ranges between 0 0 1...

Page 14: ...0 1 FNU or 0 1 full scale Measuring ranges 8 ranges between 0 10 and 0 4000 FNU freely configu rable Other data identical to AquaScat 2 WTM NON CONTACT MEASURING CELL VALUES Material Inlet tube stainl...

Page 15: ...he measuring station 2 Interrupt sample supply 3 Secure emergency site 4 Notify responsible institution 3 2 Dangers when using properly Electrical shock due to damaged instrument or cabling The instru...

Page 16: ...a replacement Registered users can download the current version at www photometer com According to the risk assessment of the applied safety directive DIN EN 61010 1 there re mains the risk of a fault...

Page 17: ...ly damage the unit The photometer and its peripherals should be easily accessible to facilitate inspection and servicing duty Make sure that the photometer is not exposed to direct sunlight This may c...

Page 18: ...pre mounted mounting bracket 2 1 Position the photometer on the pre mounted mounting bracket and pay attention to the two position ing pins circles 2 2 Screw the photometer onto the mounting bracket...

Page 19: ...port Y picture above adjust the instrument using a spirit level until it is vertical Use the measuring cell housing as a support surface for the spirit level 4 3 Tighten the fixing nut X of the suppor...

Page 20: ...the measuring device 16 11778E 1 4 4 Remove optics unit place on docking station Figure 3 Fasten optics unit to docking station Measuring cell component Optics unit Docking station Section 4 3 Knurle...

Page 21: ...mounting clip picture 2 Picture 1 Picture 2 1 2 Press mounting clip in the direction of the arrow over the lock plate of the optics unit picture 3 and then open picture 4 Picture 3 Picture 4 1 3 Remo...

Page 22: ...ting the sample connections A continuous water flow rate as specified in the technical data is required Section 2 4 Large drops in the pressure must not occur if that happens air bubbles may occur A r...

Page 23: ...quaScat 2 measuring cell unit Inlet tube Inlet tube conduit gland Holder for inlet tube Light trap Outlet tundish Drain tube conduit gland Drain tube with flood protection WORKSTEP PROCEDURE 1 Remove...

Page 24: ...of the instrument When doing so press the outlet tundish Figure 4 5 downward with your hand so that the drain tube Figure 4 7 is not pressed into the measuring cell space This can interfere with the o...

Page 25: ...venting hose should point downward as shown in Figure 1 A minimum flow of 1 l min must be guaranteed on the overflow of the level control The dimensions of the drawings below must be adhered to cours...

Page 26: ...ment has no main switch a suitable disconnection device switch plug should be installed near the service voltage It must be designated and easily ac cessible The instrument box must not be charged wit...

Page 27: ...onnections as de scribed in Section 5 3 3 When the installation is completed assemble the photometer in the reverse order In doing so carefully mount the front cover and fasten with the five screws Da...

Page 28: ...instrument is charged with voltage immedi ately after being connected The cable lengths must be selected keeping in mind that the instrument is able to be mount ed on the docking station Figure 5 Posi...

Page 29: ...1 2 3 Output 1 relay contact 1 The relay outputs can be freely con figured Section 7 11 2 4 5 6 Output 2 relay contact 2 3 18 19 Reading output 1 4 20 21 Reading output 2 5 22 23 Connection for option...

Page 30: ...ed at all times for electrical installations Figure 6 Optional power supply open Cable to photometer 24 VDC Indicator lamp Terminal screws Mains cable 100 240 VAC Life threatening voltage due to relea...

Page 31: ...WER SUPPLY CABLE COLOR TERMINAL DESIGNATION IN THE PHOTOMETER FUNCTION 24V brown 8 24 V 24 VDC RTN blue 9 GND Ground Protective ground yellow green 7 Ground connection Ground connection Protective gro...

Page 32: ...docking station Section 4 4 2 Check the sampling system for the correct sample feed and then open the sample feeding Section 4 5 Flooding of the instrument due to im proper mounting of the drain hose...

Page 33: ...ics unit on photom eter Replace the optics back on the measuring cell unit and lock with the four mounting clips Pay attention to the guide pins see picture 6 Establish service voltage to the photomet...

Page 34: ...7 8 9 Set limits Section 7 9 10 Configure flow meter if present Section 7 10 11 Set outputs 1 2 relay out puts Section 7 11 12 Setting the date and time Section 7 12 13 Enter access code If no access...

Page 35: ...nipulations on the touchscreen should be performed moderately but with a certain pressure Do not use chemicals or solvents to clean the touch screen The AquaScat 2 has a touch screen It is operated by...

Page 36: ...Figure 8 Graphic representation of the measuring values Graphic representation of the measuring values The measuring values can be rec orded from 3 minutes to 32 days and are graphically represented...

Page 37: ...appears Figure 9 Functions of the Log display Cursor shows the time position which is represented at pos 4 The cursor position can be changed either by briefly touching with your fingertip or by press...

Page 38: ...5 Info button When you press the Info button a general overview of the settings and configurations of the photometer appears Figure 10 Info menu Information about the current outputs standard I1 I2 X...

Page 39: ...11778E 1 35 7 3 Activating and deactivating the screen lock 1 Press the lock icon top left 2 Within one second press the button bot tom right Depending on the initial state the lock icon changes as f...

Page 40: ...measuring range no measuring value is displayed in stead is displayed Status line In normal operation the sta tus line is green and shows the date and time Interface information Top left Logger status...

Page 41: ...applies in service operation The measuring values remain on the last values on the digital interfaces Depending on the configuration the current outputs go to 0 4 mA or remain on the last measuring v...

Page 42: ...specification Page number total number of pages Main menus Instrument specific menus of the photometer Next page Go to previous page Meas button Touching this button switches the in strument to normal...

Page 43: ...nter value 2 Select SI prefix Function n 10 9 u 10 6 m 10 3 k 103 M 106 G 109 Numerical entry Deletes one digit of the displayed val ue C Clears the displayed value ESC Touching the ESC field causes t...

Page 44: ...entry Pressing a selection item saves the configuration and completes the entry Figure 14 Example of single selection The multiple selection is identifiable on the OK button bottom right The currentl...

Page 45: ...n 2 Set the access code and confirm with OK Factory setting is 0 3 Use the down arrow key to select the second page 4 Press the Configuration button to access lan guage selection 5 Press language fiel...

Page 46: ...output is switched off 6 Select range MR1 MR8 see table below for range definition In 1 In 2 Auto 1 Auto 2 Reference Manual 7 Press the Meas button Instrument again in normal opera tion MEASURING RANG...

Page 47: ...s 0 3 Press the Limits button 4 Select limit 1 or 2 5 Select source Turb Analog 1 Analog 2 6 Define mode The following selection is available Off limit monitor of this chan nel is deactivated Exceeded...

Page 48: ...exceeded Figure 16 Diagram of limit exceeding Measuring value Upper threshold value Lower threshold value Time Limit active Limit passive LIMIT If a limit event occurs during operation it has the fol...

Page 49: ...al and In vert 7 Press the OK button 8 Press the General button 9 Under Name ext in you can enter the text of the error message with a maximum of seven characters e g FLOWRAT Prio ext in should be on...

Page 50: ...time MANIPULATION SUPPLEMENTARY INFORMATION 1 Press the Menu button 2 Set the access code and confirm with OK Factory setting is 0 3 Use the down arrow key to select the second page 4 Press the Config...

Page 51: ...ax 6 digits 7 Press the Meas button Instrument again in normal operation A forgotten access code can be cleared only by a SIGRIST service engineer Enter your access code 7 14 Back up configured data T...

Page 52: ...egarding packaging and transport 8 1 Servicing schedule WHEN WHO WHAT PURPOSE Monthly or as needed Operator Check flow rate and cleanliness Section 8 2 Obligatory measure for maintaining measuring ac...

Page 53: ...flow rate is incorrect please refer to Sec tion 8 5 3 Check the water jet Normal jet without bubbles on ly reflections e g of the shutter are visible in the water jet Small air bubbles are dif ficult...

Page 54: ...s at the overflow X and venting hose Y Perform this step only if a de aeration tube with level control is present 5 Check light trap in the measur ing cell for any residual water droplets circle Remov...

Page 55: ...1 Flow rate reduction A reduction of the minimum flow rate from 2 5 l min to 1 3 l min is possible however note the following points Reproducibility worsens from 1 at 2 5 l min to 3 at 1 3 l min The i...

Page 56: ...en conduit gland X and remove the inlet tube Y 3 Remove the optics unit of the photometer and fasten onto the docking station Section 4 4 4 Install checking unit 4 1 Inspect the checking unit to ensur...

Page 57: ...t back on the measuring cell unit and lock with the four mounting clips Pay attention to the guide pins see picture 6 Switch photometer to ser vice operation Section 7 5 7 Prepare adjustment 7 1 Press...

Page 58: ...d Compare serial No Nominal value does not correspond to the value of the checking unit Soiled optics in the instrument In this case check the cleanliness of the optics as described in Section 8 7 and...

Page 59: ...rb but ton 3 Press the initiate button This starts the adjustment If the adjustment was successful it is confirmed with Adjustment OK This completes the adjustment If the calibration check was not suc...

Page 60: ...re no windows to clean in the AquaScat WTM 2 WORKSTEP PROCEDURE 1 Interrupt the sample sup ply to the photometer 2 Remove inlet hose and drain hose from the pho tometer 3 Remove the optics unit of the...

Page 61: ...downward 5 Clean parts which come into contact with water Clean the removed parts or replace if necessary When doing so inspect the gasket in the outlet cone ar row 6 Mount the drain tube 6 1 Insert...

Page 62: ...he drain tube from below 6 3 Now press the outlet cone together with the drain tube downward to the stop 6 4 Fasten this unit by tightening the conduit gland At position X there should now not be any...

Page 63: ...o aggressive cleaning agents Do not use aggressive cleaning agents when cleaning optional accessory parts Commercially available dishwashing liquid can be used if needed When checking for cleanliness...

Page 64: ...automatic checking unit Stop for idle position of the check ing unit Air filter Fastening plate for the stop of the checking unit Aperture assembly The following describes cleaning the optics WORKSTEP...

Page 65: ...remove the transmitter 4 2 Clean the lens arrow on the transmitter with a cotton tipped applicator moistened with ethanol 4 3 After cleaning place the transmitter on the posi tioning pins circles pic...

Page 66: ...et on the aperture assembly is cor rectly mounted arrow 6 Replace the optics unit back on the measuring cell unit and lock with the four mounting clips Pay attention to the guide pins see picture 7 Re...

Page 67: ...n submenu Now select the Adjustment menu item The checking unit now moves to the adjustment posi tion 9 Remove the optics unit of the photometer and fasten onto the docking station Section 4 4 10 Clea...

Page 68: ...3 Put the head of the checking unit on the position pins arrows and then fasten with the two screws 11 Place the optics unit again on the measuring cell unit and lock with the four mounting clips Pay...

Page 69: ...sten onto the docking station Section 4 4 4 Replace filter 4 1 Remove fastening screws circles and filter cover with filter X 4 2 Replace the old filter with a new one and fas ten onto the photometer...

Page 70: ...so be dam aged Local regulations must be observed at all times for electrical installations WORKSTEP PROCEDURE 1 Interrupt the service voltage to the pho tometer Section 5 2 Loosen the five screws on...

Page 71: ...ews Damage to the threaded inserts in the housing due to excessive tight ening of the front cover screws Use a hex key without a T handle to tight en the screws of the front cover finger tight approx...

Page 72: ...tion 9 3 The measuring value appears wrong Make sure there are no air bubbles in the sample Section 2 1 deaeration tube Ensure that the sample to be measured corresponds to the operating conditions Se...

Page 73: ...cover 3 Remove the old fine wire fuse circle from the base print AQBasi and replace with a new one type T2A 4 Carefully mount front cover and fasten with the five screws Damage to the threaded insert...

Page 74: ...rning is about Example WARNING CURRENT 1 The following warnings can be displayed WARNING MESSAGE DESCRIPTION POSSIBLE CAUSES V IN The input voltage is outside the permitted range 18 30 VDC The service...

Page 75: ...POSSIBLE CAUSES V ANALOG One of the internal analogue voltages is outside the permitted range Defect in the electronic sys tem Service technician MEASUR FAULT Measurement value acquisition is faulty A...

Page 76: ...and the error text describes what the prioritized fault is about Example PRIO DEFAULT VALUES The following faults and prio messages can be displayed PRIO MESSAGE DESCRIPTION POSSIBLE CAUSES DEFAULT VA...

Page 77: ...ess A current list of all SIGRIST country representatives is available on the Internet at www photometer com Please have the following information ready when you contact a SIGRIST service point or cus...

Page 78: ...and safely remove electrical connections 2 Stop the sample supply and remove the inlet hose and drain hose 3 All surfaces which come into contact with the sample must be thoroughly cleaned and dried 4...

Page 79: ...ter the instrument The photometer contains optical and electronic components Make sure that the pack aging protects the instrument from being damaged by impact during transport All peripheral devices...

Page 80: ...Packaging Cardboard wood paper Reuse as packaging material local disposal points incineration plant Protective foils polystyrene shells Reuse as packaging material recycling Electronics Print boards...

Page 81: ...the table below ART NO ARTICLE NAME REMARKS 116627 Air filter Section 8 9 116468 Inlet tube stainless steel 1 4435 Section 8 5 116833 Inlet tube PVC Section 8 5 117988 Outlet tube with flooding prote...

Page 82: ...INSTRUCTION MANUAL AquaScat 2 Appendix 78 11778E 1 15 Appendix The following section contains Required drawings and dimension drawings for mounting Servicing log...

Page 83: ...ndix INSTRUCTION MANUAL AquaScat 2 11778E 1 79 15 1 Servicing log Servicing log Serial number First commissioning Remarks Adjustment value Recal ibr 1 Completed servicing duties Date Initials Before A...

Page 84: ...6 17 24 Drain tube 19 E EMC 3 Emergency what to do 11 Environmental damage 76 European Union 3 F Fault 71 Field bus 22 Fine wire fuse replace 69 Flow control 49 52 Flow meter 18 Flow rate 49 Flow rate...

Page 85: ...ing log 79 Servicing schedule 48 Set language 41 Shutter assembly 60 Spare parts 77 Storage 74 T Technical data 9 Terms glossary ii Transmitter 60 Transport 75 U Use restrictions 3 W Warning symbols o...

Page 86: ...SIGRIST PHOTOMETER AG Hofurlistrasse 1 CH 6373 Ennetb rgen Switzerland Tel 41 41 624 54 54 Fax 41 41 624 54 55 info photometer com www photometer com...

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