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Hach 1720E, User Manual

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Hach 1720E User Manual Download Page 24

22

Operation

Summary of Contents for 1720E

Page 1: ...Catalog Number 6010018 1720E Low Range Turbidimeter USER MANUAL 04 2016 Edition 8...

Page 2: ......

Page 3: ...3 5 Sample Connections 12 Section 4 System Startup 13 4 1 General Operation 13 4 2 Starting Sample Flow 13 Section 5 Operation 15 5 1 Sensor Setup 15 5 2 Sensor Data Logging 15 5 3 Sensor Diagnostics...

Page 4: ...Replacement Parts and Accessories 31 8 1 Replacement Items 31 8 2 Optional Accessories 31 8 3 Calibration and Verification Standards and Accessories 32 Section 9 Compliance Information 33 Appendix A M...

Page 5: ...2 122 F for single sensor system 0 to 40 C 32 104 F for two sensor system Sample Temperature Range 0 to 50 C Operating Humidity 5 to 95 non condensing Power Requirements 12 VDC 5 12 5 Watts maximum Sa...

Page 6: ...diately after calibration and is used as pass fail criteria for subsequent verifications Recommended Maintenance 1 Lamp replacement once per year 2 Cleaning mandatory before calibration optional befor...

Page 7: ...damage to the instrument could occur if not observed 2 1 3 General Product Information The 1720E Turbidimeter is a continuous reading nephelometric turbidimeter designed for low range turbidity monito...

Page 8: ...ht will be scattered and detected by the photocell and the turbidity reading will be low High turbidity on the other hand will cause a high level of light scattering and result in a high reading Sampl...

Page 9: ...c100 Controller 3 1 1 Attaching a sc Sensor with a Quick connect Fitting The sensor cable is supplied with a keyed quick connect fitting for easy attachment to the controller see Figure 2 Retain the c...

Page 10: ...Pass the cable through conduit and a conduit hub or a strain relief fitting Cat No 16664 and an available access hole in the controller enclosure Tighten the fitting Note Use of strain relief fitting...

Page 11: ...2 2 3 3 4 4 5 5 6 PROBES 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 INTERF...

Page 12: ...10 Installation Figure 4 1720E Dimensions...

Page 13: ...over then place the head assembly on the turbidimeter body with the label facing the front Move the head assembly back and forth slightly to ensure it is properly seated on the body of the instrument...

Page 14: ...solids content low expected turbidity operate at a low flow rate 200 300 mL min The required flow rate is 200 to 750 mL min 4 0 to 11 9 gal hour Flow rate into the turbidimeter may be controlled with...

Page 15: ...e the power with the sensor head on the body The first time a controller is powered up a language selection menu will appear The user must select the correct language from the displayed options Follow...

Page 16: ...14 System Startup...

Page 17: ...urement data at selected intervals The event log stores a variety of events that occur on the devices such as configuration changes alarms and warning conditions The data logs are stored in a packed b...

Page 18: ...the last 12 entered calibrations Confirm to move to the next history entry See section 5 6 on page 20 for more information CONFIGURE BUBBLE REJECT Choose Yes or No to enable disable bubble reject Def...

Page 19: ...ation in which the difference between the DI water and the standard value is used to determine the gain of the instrument The water used for the standard solution must be from the same source as that...

Page 20: ...ue associated with the dry verification device 16 Select the verification type begin at step 5 in section 5 5 3 1 on page 19 for dry verification or section 5 5 3 2 on page 19 for wet verification or...

Page 21: ...at uses the same dry verification standard will reference the recorded value from the baseline verification as the expected value In order for the verification to pass the measured value should be wit...

Page 22: ...ard wet verification the time and date of the verification and the initials of the operator performing the verification Scroll through the entries by pressing the ENTER key After scrolling through all...

Page 23: ...SOR SETUP and confirm 2 Select 1720E and confirm 3 Select CONFIGURE and confirm Note Offset is not used during calibration During calibration the offset is zero 4 Move the pointer to OFFSET and confir...

Page 24: ...22 Operation...

Page 25: ...odically as experience dictates using one of the methods described in section 5 5 on page 16 A calibration history menu option is available under Sensor Setup Calibrate 6 2 Removing a Sensor from the...

Page 26: ...bble trap and bottom plate may be removed to make cleaning easier Drain and clean the turbidimeter body before each calibration Establish a regular schedule or perform cleaning as determined by visual...

Page 27: ...ssembly 7 Use a soft brush and a dilute cleaning solution as prepared above to clean the bottom plate and inside surfaces of the turbidimeter body Rinse the entire body and bottom plate with ultra fil...

Page 28: ...e hole in the lamp housing Do not touch the new bulb with bare hands Etched glass and reduced lamp life will result Wear cotton gloves or grasp the lamp assembly with a tissue to avoid contamination I...

Page 29: ...inition A D Fail Failed A D converter Call the Service Department Lamp Fail The light source has failed See section 6 4 3 on page 25 for instructions for replacing it Flash Fail Datalog and event log...

Page 30: ...back on Bad circuit board in turbidimeter head Contact the Customer Service Department High Dark Counts Light Leak Turbidimeter head not on turbidimeter body or calibration cylinder during Power Up o...

Page 31: ...ontinued Symptom Possible Cause Corrective Action Table 7 Event Log List Event Event Data1 Data2 Data3 Bubble Reject Change 0 0 OFF 1 ON Filter Size Change 1 0 No avg 1 6 sec 2 30 sec 3 60 sec 4 90 se...

Page 32: ...30 Troubleshooting...

Page 33: ...d each 57432 00 Flow meter 50 700 mL min each 40282 00 ICE PIC Module for Calibration and Calibration Verification 20 NTU each 52250 00 ICE PIC Module for Calibration and Calibration Verification 1 NT...

Page 34: ...ch 52215 00 ICE PIC Module 20 NTU 1 each 52250 00 StablCal Calibration Standards StablCal Stabilized Formazin Standard 1 NTU 1 L 26598 53 StablCal Stabilized Formazin Standard 20 NTU 1 L 26601 53 Stab...

Page 35: ...61000 4 3 1996 Radiated RF Electro Magnetic 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...

Page 36: ...ance could 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...

Page 37: ...100 Diagnostics Lamp Voltage 40018 Float 2 R Volts 0 5 Diagnostics Lamp Current 40020 Float 2 R Amps 0 2 75 Diagnostics Plus 5V 40022 Float 2 R Volts 0 5 5 Diagnostics Voltage In 40024 Float 2 R Volt...

Page 38: ...36 Modbus Register Information...

Page 39: ...Head Assembly 11 M Maintenance Cleaning 24 Schedule 23 Mounting 11 P Photocell Window 24 Power Requirements 3 R Range 3 Response Time 3 S Safety Information 5 Sample Connections 12 Flow 13 Sample Line...

Page 40: ...38 Index...

Page 41: ......

Page 42: ...com www hach com HACH LANGE GMBH Willst tterstra e 11 D 40549 D sseldorf Germany Tel 49 0 2 11 52 88 320 Fax 49 0 2 11 52 88 210 info de hach com www de hach com HACH LANGE S rl 6 route de Compois 12...

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