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User’s

Manual

Model TB750G

Right Angle Scattered Light

Turbidimeter

Quick Start Manual

IM 12E01A06-02E

IM 12E01A06-02E

3rd Edition

Summary of Contents for TB750G

Page 1: ...User s Manual Model TB750G Right Angle Scattered Light Turbidimeter Quick Start Manual IM 12E01A06 02E IM 12E01A06 02E 3rd Edition ...

Page 2: ...e operating conditions and if necessary reconfigure parameters Symbol and Notations Used in this Manual n Symbol The following symbol is used in this manual CAUTION Indicates that damage to software or hardware or system failures could occur if instructions are not followed n Notations In this manual operation keys display messages indicators and LED lamps on the instrument are denoted in the foll...

Page 3: ...re noticed please contact the nearest Yokogawa representative or sales office n Protection Safety and Modification of the Product l The safety instructions described in this manual should be strictly observed to ensure safety both of the product and the system controlled by the product l A protection or safety circuit should be installed externally if needed Do not attempt to modify or add such ci...

Page 4: ... 2 1 Wiring Required for TB750G 2 3 2 2 2 Wiring for Detector 2 4 2 2 3 Wiring for Converter 2 5 3 OPERATION 3 1 3 1 Preparation 3 1 3 1 1 Outline 3 1 3 1 2 Converter Operation Panel 3 1 3 1 3 Calibration 3 2 3 1 4 Performing Zero span Calibration Using Filtered Water as Zero Reference 3 3 3 1 5 Performing 2 point Calibration Using Standard Solution 3 7 3 2 Normal Operation 3 8 3 2 1 When Sample W...

Page 5: ...2E01A06 02E CONTENTS 5 MAINTENANCE 5 1 5 1 Lamp Replacement 5 1 5 2 Calibration 5 2 5 2 1 Outline 5 2 5 2 2 2 point Calibration Using Turbidity Standard Solutions 5 2 6 TROUBLESHOOTING 6 1 Revision Information i ...

Page 6: ...ement failure calibration failure various circuit failures etc Detector designed to remove influence of air bubbles A wide range of measurement conditions Low flow rate 0 05 to 20 l min 0 8 to 317 gal h High pressure Up to 500 kPa 72 psi Sample temperature 0 to 50 C 32 to 122 F Detector can be connected for in line analysis 2 analog outputs 3 relay contact outputs and 1 serial communication Many o...

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Page 8: ...ector Drain Valve Sample Water Tap Water Sample Water Valve Zero Turbidity Filter Sample Water Supply Valve Zero Water Supply Valve Tap Water Valve Drain Valve Drain Drain Drain Drain Sample Water Sample Water Effluent Zero Water Drain Valve Other Turbidity Detectors Zero Water Head Tank Flow Control Valve Figure 2 1 Piping Diagram To prevent corrosion of water inside the zero turbidity filter all...

Page 9: ...00 kPa sample temperature 0 to 50 C ambient temperature 5 to 50 C h F2 2E ai Sample Water Inlet Drain Port Sample Water Outlet TB750G Detector Drain Valve Sample Water Tap Water Sample Water Valve Zero Turbidity Filter Sample Water Supply Valve Zero Water Supply Valve Tap Water Valve Drain Drain Sample Water Zero Water Flow Control Valve Sample Water Effluent Zero Water Drain Valve Other Turbidity...

Page 10: ...se and converter case must be grounded ground resistance 100Ω or less 2 External grounding terminal of ultrasonic oscillator must be grounded ground resistance 100Ω or less 3 Use 2 conductor shielded cable for analog output wiring and serial communication wiring 4 The wiring configuration is described below in case that RS 232C serial communication is selected 5 When option code US is specified TU...

Page 11: ...S is specified and 3 External grounding terminal 1 Power Supply Terminals Connector for Converter Detector Cable 2 Power Supply Terminals for Ultrasonic Oscillator Terminal G For Converter Detector Connecting Cable Terminals TM3 Power to Lamp F2 4E ai Figure 2 4 Internal View of Detector 3 External Grounding Terminal M5 Screw Norminal size of at least 2 mm2 F2 5E ai Figure 2 5 Grounding Terminal o...

Page 12: ...Front Cover Converter Detector Connecting Cable Terminal G For Converter Detector Connecting Cable Serial Communication Terminals 1 Analog Output Contact Input Terminals Connector for Converter Detector Cable F2 6E ai A B How to Remove the Terminal Cover Disconnect the converter detector connecting cable A and its grounding wire B from the converter Remove the terminal cover by sliding it slightly...

Page 13: ...level Refer to section 4 3 Table 2 1 Contact Rating AC DC Contact maximum permissible voltage 250 V 30 V Contact maximum permissible current 2 A 3 A Contact maximum permissible power resistance load 125 VA 60 W Table 2 2 Contact Operation Contact S1 S2 Contact FAIL Status LED NO NC LED NO NC In action ON Closed Open ON Open Closed Not in action OFF Open Closed OFF Closed Open Power OFF OFF Open Cl...

Page 14: ...r up allow the meter to warm up for at least one hour When using zero turbidity filter allow water to run through it for at least one hour For details of calibrations refer to the following pages 8 Supplying a Water Sample and adjusting the flow rate Adjust the opening of the valve at the sample water out of the detector 9 Operation check Make sure that the system is free of defects For details of...

Page 15: ...ion Flow Chart F3 3E ai YES Check block Standard Solution NO Calibration complying with EPA Method 180 1 Is filtered water used as zero reference Is span calibration performed using check block or standard solution Perform span zero calibration using filtered water Perform 2 point calibration using standard solutions Perform zero calibration Perform point calibration first using zero solution Perf...

Page 16: ...O X XXX CAL END A Supply power Warm up at least 1 hour Allow water to run through the zero filter Supply zero water Prepare span solution if necessary Automatically goes into maintenance mode and holds the output To span calibration using check block B To span calibration using standard solution Confirm reading has stabilized 3 to 5 min Auto adjustment 0 000 None configurable Zero calibration is c...

Page 17: ...y zero water Confirm reading has stabilized 3 5 min A Check that display reads the value of check block Span calibration is complete Auto adjustment XX XX VALUE XX XX None configurable Release HOLD From zero calibration How to install check block 1 Remove the rubber cover from the top of the detector 2 Remove the retaining plate on the window of the top cover by loosening the 2 setscrews 3 Detach ...

Page 18: ...ond YES ENT HOLD SERV HOLD HOLD HOLD SETP SERV B C 16 CODE 0 CAL TP SETP RANGE HOLD SERV To enter operation level From zero calibration Before performing span calibration using standard solution standard solution check block selection should be set to 0 standard solution in CODE 16 as shown below Enter 16 using and keys Enter 0 using key ...

Page 19: ... span solution to 90 Replace top cover with setscrews Confirm reading has stabilized 3 5 min C Enter value of span calibration using and keys Span calibration is complete Auto adjustment 20 00 VALUE Set decimal point using key 00 00 VALUE Release HOLD How to pour span solution Pour span solution into the measurement cell very slowly using a funnel or relevant equipment taking care not to allow air...

Page 20: ...olution to 90 Replace top cover with screws Confirm reading has stabilized 3 5 min Span calibration is complete Auto adjustment X XXX SPAN X XXX ZERO Auto adjustment 20 00 VALUE S 00 00 VALUE S Enter value of zero calibration using and keys Set decimal point using key Enter value of span calibration using and keys 0 020 VALUE Z Set decimal point using key 0 000 VALUE Z Release HOLD How to pour zer...

Page 21: ... not periodical check of the sample line is needed 3 2 2 Shutdown The parameter settings and other information set in the turbidimeter are retained even if power is turned off If the instrument will be out of operation for a long period power should be removed Dirt and or stains on the instrument should be washed off thoroughly when the turbidimeter is to be removed from the site Rinse the inside ...

Page 22: ...ssified into three levels operation setting and service F4 1E ai Operation Level CALIB Calibration DISP Message display STEP Alarm setting HOLD Hold selection Setting Level Measurement Mode Service Level STEP Alarm setting RANGE Analog output HOLD Hold selection CODE XX MODE key For at least second Figure 4 1 Transition between Measurement Mode and Three Levels ...

Page 23: ... Setting Range Default CAL Calibration CALIB Using turbidity standards or using water sample STD CAL or SMP CAL Start ZERO or SPAN or ZRSPN Turbidity value VALUE 0 001 to 2000 NTU 1 Self adjustment in process ZERO or SPAN End CAL END CAL START Not available WASH START Not available DISPLAY Message display selection DISP Analog output 1 current XX XmA1 Output 1 current Analog output 2 current XX Xm...

Page 24: ... Analog output range setting RANGE Fixed range for output 1 or fixed range for output 2 FIXR 1 or FIXR 2 Zero point ZERO 0000 00 to 2000 00 NTU 0000 00 NTU Span point SPAN 0000 00 to 2000 00 NTU 0100 00 NTU Local range selection LOCAL Local range for output 1 or local range for output 2 LCL 1 or LCL 2 0 Range A 1 Range B 2 Range C 0 Range A SET HOLD Hold parameter setting HOLD Hold function enable...

Page 25: ...Check block turbidity PLATE 0 001 to 2000 NTU CODE30 Analog output range switching parameter setting Range switching output selection RNGPR 0 Fixed 1 AO1 2 AO2 0 Fixed Range switching function selection RSET 0 Local 1 Automatic 2 Remote 2RNG 3 Remote 3RNG 1 Automatic Range A setting RSET A Zero point for range A ZERO 0000 00 to 2000 00 NTU 0000 00 NTU Span point for range A SPAN 0000 00 to 2000 00...

Page 26: ...331 8 546 9 847 0 0 0 CODE54 Negative nondisplay nonoutput selection Negative nondisplay nonoutput enabled or disabled MINUS 0 Disabled 1 Enabled 0 0 Disabled Disabled CODE61 Turbidity unit selection Turbidity unit UNIT 0 NTU 1 FNU 2 mg l 0 NTU CODE64 Software version display Software version display VER 1 00 CODE66 Error E2xx error level selection Error levels of errors E201 to E206 201 6 0 Disab...

Page 27: ...ess to abort data display shows turbidity based on sensitivity correction factor K 1 and zero correction factor B 0 Value not affected by SMP CAL Display by T1 S0 SL 100 V A not by T2 K T1 B 2 Span calibration in STD CAL is performed using turbidity standards or check block that has been selected in CODE16 3 In zero calibration calibration value should be 0 000 and cannot be changed Only ENT key i...

Page 28: ...T YES ENT NO NO YES ENT RANGE LOCAL FIXR 2 FIXR 1 XXXX XX ZERO XXXX XX SPAN XXXX XX SPAN XXXX XX ZERO X LCL 1 X LCL 2 1 Skipped if analog output range switching selection RNGPR is set to 1 Analog output 1 in CODE 30 at service level 2 Skipped if analog output range switching selection RNGPR is set to 2 Analog output 2 in CODE 30 at service level 3 Displayed only if analog output range switching se...

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Page 30: ...g the 4 setscrews 3 Disconnect the terminals for lamp from the terminal block Remove the lamp assembly by loosening the 2 setscrews 4 Replace the lamp assembly with a new one Mount the new lamp assembly with the 2 setscrews Connect the terminals for lamp to the terminal block LAMP 5 Supply power to the TB750G turbidimeter 6 Check that the lamp is lit Replace and fix the cover of the light source u...

Page 31: ...ata in a grab sample calibration Note The instrument has been pre calibrated using 0 2 µm filtered water as zero reference at the factory before shipment 5 2 2 2 point Calibration Using Turbidity Standard Solutions A 2 point calibration of the TB750G is performed with turbidity standard solutions equivalent to zero solution and to span solution After accepting both zero and span values the meter c...

Page 32: ... consecutive seconds When YES NO key is pressed error code display disappears at the same time during failure error is once removed E202 Detection element failure All modes Either IN1 or IN2 input voltage is less than specified voltage for 5 consecutive seconds E203 Lamp life expired Zero calibration coefficient A rewriting timing excluding when E301 or E311 occurs 1 During zero calibration self a...

Page 33: ...ble is outside of the range of 99999 to 999999 E304 Turbidity zero correction factor B failure During zero shift calibration Turbidity zero correction factor B newly determined after zero shift calibration is outside of the range of 9 to 9 E305 Turbidity sensitivity correction factor K failure During span calibration sensitivity correction Turbidity sensitivity correction factor K newly determined...

Page 34: ...20 whichever is greater for turbidity or span point zero point 5 00 for color When automatic range is selected in CODE 30 also possible 3 At each span point Range A Range B or 4 at each span point Range B Range C When YES NO key is pressed error code display disappears and error is removed E352 Parameter setting failure During parameter setting Value outside the setting range is set in setting oth...

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Page 36: ...rk s 3rd Mar 2018 Error code E101 was entirely deleted p 6 1 2nd Mar 2015 P 2 3 Some revision of Section 2 2 1 Wiring Required for TB750G Note 6 is added to figure 2 3 P 6 1 Some revision of Section 6 TROUBLESHOOTING The name of error code E202 is revised and PD check voltage and lamp life check voltage changed to specified voltage 1st Apr 2006 Newly published ...

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