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42

Section 10

Repair Service

Authorization must be obtained from Hach Company before sending any items for repair. 
Please contact the Hach Service Center serving your location.

In the United States:

Hach Company
Ames Service
100 Dayton Avenue
Ames, Iowa 50010
(800) 227-4224 (U.S.A. only)
FAX: (515) 232-3835

In Canada:
Hach Sales & Service Canada Ltd.
1313 Border Street, Unit 34
Winnipeg, Manitoba
R3H 0X4
(800) 665-7635 (Canada only)
Telephone: (204) 632-5598
FAX: (204) 694-5134
E-mail: [email protected]

In Latin America, the Caribbean, the Far East
Indian Subcontinent, Africa, Europe, or the Middle East:
Hach Company World Headquarters,
P.O. Box 389
Loveland, Colorado, 80539-0389 U.S.A.
Telephone: (970) 669-3050
FAX: (970) 669-2932
E-mail: [email protected]

客服：400 688 9809 

Summary of Contents for 5740sc

Page 1: ...Visit http www hach com 客服 400 688 9809 ...

Page 2: ...Catalog Number 6120018 Model 5740sc Galvanic Membrane Dissolved Oxygen Sensor USER MANUAL May 2005 Edition 2 Hach Company 2004 2005 All rights reserved Printed in the U S A eac dp 客服 400 688 9809 ...

Page 3: ...5 4 2 3 Pressure and Elevation 16 4 2 4 Selecting Atmospheric Pressure Units 16 4 2 4 1 Atmospheric Pressure Units Procedure 16 4 3 Sensor Diagnostics Menu 17 4 4 Sensor Setup Menu 17 4 5 Calibration 19 4 5 1 Calibration in Air 19 4 5 2 Sample Calibration 20 4 5 3 Concurrent Calibration of Two Sensors 21 Section 5 sc1000 Operation 23 5 1 Using the sc1000 Controller 23 5 1 1 Display Features 23 5 1...

Page 4: ...brane from Drying Out 35 6 4 Replacing the Sensor Assembly 36 Section 7 Troubleshooting 37 7 1 Error Codes 37 7 2 Warnings 37 7 3 Sensor Troubleshooting 37 Section 8 Replacement Parts 39 8 1 Replacement Items 39 8 2 Accessories 39 Section 9 How to Order 41 Section 10 Repair Service 42 Section 11 Limited Warranty 43 Section 12 Compliance Information 45 客服 400 688 9809 ...

Page 5: ...sing Response Time at 20 C 120 seconds to 90 of value upon step change Measurement Accuracy 2 of span Temperature Accuracy 0 2 C Temperature Compensator 30K NTC Thermistor Repeatability 0 5 of span Sensitivity 0 5 of span Calibration Air Sample Maximum Pressure 10 bar 145 psi Sensor Interface ModBUS ProfiBus Probe Cable Length Integral 33 ft 10 m Probe Weight 0 26 kg 9 1 oz Probe Dimensions See Fi...

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Page 7: ...samples to be easily and accurately analyzed for dissolved oxygen concentration The system consists of a controller with an integrated display and a sensor for in situ measurement The sensor can be using the sc100 Section 4 on page 13 or sc1000 controller Optional equipment such as mounting hardware for the probe is supplied with instructions for all user installation tasks Several mounting option...

Page 8: ...gen from the solution to be tested enters the cell by diffusion through the membrane and then across the thin electrolyte layer to the cathode The oxygen is reduced at the cathode as shown in reaction 1 1 The cathode is at such a negative potential that it reduces all the oxygen that diffuses to its surface The lead anode is oxidized to give an overall reaction that produces lead hydroxide as show...

Page 9: ... Reinstall the plug on the sensor access opening to maintain the environmental rating 8 Wire as shown in Table 1 9 Close and secure the controller cover NC NC NC COM COM COM NO F1 F2 NO NO RELAY C RELAY B RELAYA J1 J2 J4 S1 NETWORK INTERFACE CARD J3 J5 J6 U5 U9 1 1 DATA DATA OUT 2 OUT 2 DATA OUT 2 SERVICE REQUEST SHIELD CHASSIS GND V V OUT 1 OUT 1 GND OUT 1 2 2 3 3 4 4 5 5 6 PROBES ANALOG OUTPUTS ...

Page 10: ...OG OUTPUTS ANALOG OUTPUTS PCB CONNECTOR PCB CONNECTOR FIELD WIRING INSULATION MUST BE RATED TO 80 C MINIMUM FIELD WIRING INSULATION MUST BE RATED TO 80 C MINIMUM J1 J2 J4 NETWORK INTERFACE CARD J3 U5 U9 S1 DANGER EXPLOSION HAZARD DANGER RISQUE D EXPLOSION DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOWN TO BE NON HAZARDOUS NE PAS DEBRANCHER TANT QUE LE EST SOUS TENSION A MONIS QU IL NE...

Page 11: ... 20 inches into the process Install the sensor so that its membrane will not be exposed to the atmosphere for more than 24 hours Do not install the sensor directly over aerators or air diffusers when located in an aeration basin Install the sensor near the outfall from an aeration basin for most effective aeration process monitoring and control Install the sensor using the instructions supplied wi...

Page 12: ...12 Installation Figure 4 Sensor Installation Examples 客服 400 688 9809 ...

Page 13: ...y Functions Features Number Key Function 2 Moves back one level in the menu structure 3 Moves to the main menu from other menus This key is not active in menus where a selection or other input must be made 4 Navigates through the menus changes settings and increments and decrements digits 6 Moves to the Main Measurement screen from any other screen This key is not active in menus where a selection...

Page 14: ...pear on the right side of the display to indicate that more menus are available Press the UP or DOWN key corresponding to the arrow direction to display additional menus 1 Status bar Indicates the sensor name and status of relays The relay letter is displayed when the relay is energized 4 Parameter 2 Main measurement 5 Warning icon area 3 Secondary measurement 6 Measurement units 8 44 SENSOR NAME ...

Page 15: ...network port service port or the IrDA port DataCom is needed for downloading logs to a computer 4 2 1 Changing the Sensor Name Step Select Menu Level Instructions Confirm 1 MAIN MENU 2 SENSOR SETUP 3 Highlight the appropriate sensor if more than one sensor is attached 4 CONFIGURE 5 EDIT NAME 6 Select character to edit shown in brackets Scroll to appropriate character 4 2 2 1 Sensor Data Logging St...

Page 16: ...he SET PRESSURE setting must be correct for proper measurement of percent saturation and proper operation of air calibration Table 3 Elevation Barometric Pressure Elevation Feet Barometric pressure mmHg Elevation Feet Barometric pressure mmHg 0 760 6000 613 500 746 6500 601 1000 733 7000 590 1500 720 7500 579 2000 708 8000 568 2500 695 8500 559 3000 683 9000 548 3500 671 9500 538 4000 659 10000 52...

Page 17: ...AME Enter up to a 10 digit name in any combination of symbols and alpha or numeric characters MEAS UNITS Select the appropriate measurement units to display Choose from mg L ppm or percent Default ppm TEMP UNITS Select Celsius C or Fahrenheit F Default C AC FREQUENCY Choose 50 or 60 Hz depending on the power line frequency for optimal noise rejection Default is 60 Hz FILTER Specify the number of s...

Page 18: ...default settings DIAG TEST PROBE INFO SENSOR NAME Displays the entered name of the sensor Default is the sensor serial number SERIAL NUMBER Serial number of the sensor SOFTWARE VERS Displays the software version number DRIVER VERS Displays the sensor driver version number CAL DATA CAL Q VALUE Display for service diagnostics only OFFSET CORR User editable to change the calibration offset LAST CAL D...

Page 19: ...25 50 mL and secure the bag to the probe body 3 Remove the bagged probe from any heat source 4 MAIN MENU 5 SENSOR SETUP 6 Highlight the appropriate sensor if more than one sensor is attached 7 CALIBRATE 8 AIR CAL 9 Choose from the available Output Mode options Active Hold or Transfer 10 Move the sensor to air The probe has been moved to air in the calibration bag 11 The Air Calibration procedure w...

Page 20: ...display will change to an entry screen If ENTER is not pressed the sensor will determine when the reading is stable If it is not stable within 45 minutes the display will show Unable to Calibrate 12 When a stable reading has been accepted the display will show Sample Value and an area for entry of the sample value Edit the displayed reading 13 The display will show a response from Table 4 14 Retur...

Page 21: ...allowed calibration time interval Repeat the calibration 4 5 3 Concurrent Calibration of Two Sensors Step Select Menu Level Instructions Confirm 1 Begin a calibration on the first sensor and proceed to Wait to Stabilize is displayed 2 Select LEAVE 3 The display will return to the main measurement screen The reading for the sensor currently being calibrated will be flashing 4 Begin the calibration ...

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Page 23: ...ure 7 Pop up Toolbar Functions 5 1 1 2 Using the Menu Windows If the Menu button from the pop up toolbar is selected the Main Menu screen is opened The Main Menu screen allows the user to view the sensor status configure the sensor setup system setup and perform diagnostics The menu structure may vary depending on the configuration of the system MAIN MENU displays the Main Menu Structure UP Arrow ...

Page 24: ...is highlighted and press ENTER or double tap the highlighted item A keypad will be displayed to change an entry Figure 10 on page 25 or a list box will be displayed Figure 11 on page 26 Messages are displayed in the message window Figure 12 on page 26 If an entry is incorrect repeat the entry with the correct values If the entry is outside the working range a correction to the entry is made automa...

Page 25: ...ction 1 Enters numbers or the character as shown on the button 2 Moves the cursor one position to the left or to the right 3 Increase Decrease a number or letter at the cursor position Keep the button pressed to change the numbers characters continuously 4 Deletes the character to the left of the cursor 5 CANCEL cancels the entry 6 ENTER confirms the entry or selection 1 2 3 4 5 6 7 8 9 0 4 5 6 1 ...

Page 26: ...e than one sensor is attached and press ENTER 4 Select CONFIGURE and press ENTER 5 Select EDIT NAME and tap on the dark blue highlighted area to the far right Use the keypad to edit the name Press ENTER to confirm or CANCEL to return to the Sensor Setup menu 1 Scrolls up or down 2 CANCEL cancels and entry 3 ENTER confirms a selection 1 Scrolls up or down 2 Displays the messages or warnings 3 Displ...

Page 27: ... the meter the altitude entered in combination with this value must be 0 feet Table 5 can be used to estimate the true barometric pressure at certain elevations The correspondence is based on the assumption that at sea level the barometric pressure is 760 mm Hg After determining the barometric pressure from the table or obtaining it from a local weather service enter this value into the instrument...

Page 28: ...See section 7 2 on page 37 5 6 Sensor Setup Menu SELECT SENSOR if more than one sensor is attached CALIBRATE AIR CAL Perform an air calibration of the sensor slope calibration See section 5 7 1 on page 30 SAMPLE CAL Enter a value for the DO concentration as determined by another sensor or independent method The instrument performs an offset calibration based on the entered value See section 5 7 2 ...

Page 29: ...nder at 60 days SENSOR DAYS Shows the number of days the sensor has been in service Automatically reminds the user to replace the sensor after a set period of time Default reminder at 365 days Reset counter in DIAG TEST RESET SENSOR menu DEFAULT SETUP Resets the sensor software to default settings DIAG TEST PROBE INFO SENSOR NAME Displays the entered name of the sensor Default is the sensor serial...

Page 30: ...ere it will not be exposed to a heat source 4 Tap the bottom left of the screen to display the pop up toolbar and press MAIN MENU 5 From the Main Menu select SENSOR SETUP and press ENTER 6 Select the appropriate sensor if more than one is attached and press ENTER 7 Select CALIBRATE and press ENTER 8 Select AIR CAL and tap on the dark blue highlighted area to the far right Select the available Outp...

Page 31: ... approximately 20 minutes 8 Fill a standard BOD bottle and then place the sensor in a beaker containing the remainder of the deionized water 9 Perform the Winkler Tritration using Cat No 1469 00 Winkler Test Kit on the deionized water in the BOD bottle while waiting for the process sensor to stabilize 10 Move the sensor to the sample 11 The display will show Press ENTER when Stabilized and the cur...

Page 32: ...stabilize is typical however if it has not stabilized after 45 minutes the display will show Unable to Calibrate 9 When a stable reading has been accepted the display will show Sample Cal and an area for entry of the value obtained from the Winkler Titration 10 Change the displayed reading to match the hand held DO analyzer memory 11 After calibration one of the responses in Table 6 on page 33 wil...

Page 33: ...iled due to an excessively high calculated gain value Repeat the calibration Cal Fail Offset Low Indicates the air calibration has failed due to too low of a calculated gain value Repeat the calibration Cal Fail Unstable Indicates the air calibration has failed because the readings did not stabilize during the maximum allowed calibration time interval Repeat the calibration 客服 400 688 9809 ...

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Page 35: ...ting the Sensor Membrane from Drying Out When the sensor is removed from the process solution its membrane immediately begins drying out After more than 24 hours the electrolyte behind the membrane may become depleted due to evaporation If the sensor is returned to operation after this has occurred measurement readings may be inaccurate Membrane dry out and electrolyte evaporation can be avoided b...

Page 36: ... 3 in Figure 13 3 Align the sensor assembly connector with the probe body socket see item 6 in Figure 13 4 Reinstall the sensor guard or lock ring 5 Condition the new sensor before taking measurements See section 5 2 on page 23 Figure 13 Replacing the Sensor Assembly 1 Probe Body 4 Sensor Assembly 2 Item 3 seats in groove 5 Sensor Guard if sensor guard is not used install the optional lock ring 3 ...

Page 37: ... ADC FAILURE A D conversion fails Call the Service Department SENSOR PUNC Sensor punctured Replace sensor cartridge 1 1 Replacement of the cartridge will reset the read out Table 8 Warning Codes Displayed Warning Definition Resolution PROBE OUT RANGE No probe connected or measurement reading is out of range Check the DO range and ensure that it is within 0 40 ppm TEMP OUT RANGE No temperature elem...

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Page 39: ...galvanic membrane dissolved oxygen sensor 1 6130500 Air blast cleaning system 115 V does not include head order separately 1 6136100 Air blast cleaning system 230 V does not include head order separately 1 6136200 Cable sensor extension 7 7 m 25 ft 1 5796000 Cable sensor extension 15 m 50 ft 1 5796100 Cable sensor extension 31 m 100 ft 1 5796200 Electrolyte Solution 60 mL bottle 1 25M7A1002 105 Mo...

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Page 41: ...an e mail to intl hach com or contact Hach Company World Headquarters Loveland Colorado U S A Telephone 970 669 3050 Fax 970 669 2932 Technical and Customer Service U S A only Hach Technical and Customer Service Department personnel are eager to answer questions about our products and their use Specialists in analytical methods they are happy to put their talents to work for you Call 1 800 227 422...

Page 42: ...4224 U S A only FAX 515 232 3835 In Canada Hach Sales Service Canada Ltd 1313 Border Street Unit 34 Winnipeg Manitoba R3H 0X4 800 665 7635 Canada only Telephone 204 632 5598 FAX 204 694 5134 E mail canada hach com In Latin America the Caribbean the Far East Indian Subcontinent Africa Europe or the Middle East Hach Company World Headquarters P O Box 389 Loveland Colorado 80539 0389 U S A Telephone ...

Page 43: ...y any repair or attempted repair not authorized by Hach Company Any product not used in accordance with the instructions furnished by Hach Company Freight charges to return merchandise to Hach Company Freight charges on expedited or express shipment of warranted parts or product Travel fees associated with on site warranty repair This warranty contains the sole express warranty made by Hach Compan...

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Page 45: ... 1995 EN 61000 4 3 1996 Radiated RF Electromagnetic Field Immunity Criteria A IEC 1000 4 4 1995 EN 61000 4 4 1995 Electrical Fast Transients Burst Criteria B IEC 1000 4 5 1995 EN 61000 4 5 1995 Surge Criteria B IEC 1000 4 6 1996 EN 61000 4 6 1996 Conducted Disturbances Induced by RF Fields Criteria A IEC 1000 4 11 1994 EN 61000 4 11 1994 Voltage Dip Short Interruptions Criteria B Additional Immuni...

Page 46: ...void the user s authority to operate the equipment This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy ...

Page 47: ...tyTag 40026 Integer 1 R Salinity Units Configuration Salinity 40027 Float 2 R W Salinity Configuration MeasUnits 40029 Integer 1 R W Measurement Units Calibration OutputMode 40030 Integer 1 R W Output Mode Calibration CalLeave 40031 Integer 1 R W Cal Leave Mode Calibration CalAbort 40032 Integer 1 R W Cal Abort Mode Tags CalEditValueTag 40033 Integer 1 R Cal Edit Value Tag Calibration CalEditDOVal...

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Page 49: ...ing System 27 D Display 13 27 E Entries Incorrect 24 Error Codes 37 K Key Functions 13 Keypad 13 L List box 25 M Maintenance Schedule 35 Menu command Marking 23 24 Menu windows 23 N Normal operation 23 S Safety Information 7 Sensor Cable Connecting 9 Wiring 9 Specifications 5 T Theory of Operation 8 Toolbar 23 W Warnings 37 客服 400 688 9809 ...

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