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User’s Manual

February 28, 2020
P/N 998-2187
Revision G

TURNER DESIGNS

1995 N. 1

Street

San Jose, CA 95112
Phone: (408) 749-0994
FAX: (408) 749-0998

Summary of Contents for 2180-000

Page 1: ...User s Manual February 28 2020 P N 998 2187 Revision G TURNER DESIGNS 1995 N 1st Street San Jose CA 95112 Phone 408 749 0994 FAX 408 749 0998 ...

Page 2: ...6 Functional test of the wiper for the Turbidity Plus with connector with Fondriest Cable 9 3 Calibration 3 1 Direct Concentration Calibration for Turbidity Plus 10 4 Integration 4 1 To take measurements 12 4 2 To trigger wiper 12 5 Maintenance and Warranty 5 1 Maintenance 14 5 1 1 Rinsing 14 5 1 2 Care for the bulkhead connector 14 5 1 3 Cleaning the Optics 14 5 2 Warranty Terms 14 5 3 Warranty S...

Page 3: ...rn of an end of life product proceed as follows If you purchased your instrument through a Turner Designs Distributor please contact your local representative They will instruct you where to return the end of life product If you purchased your instrument directly from Turner Designs please contact Turner Designs Customer Service By Phone 1 408 212 4041 or Toll Free 877 316 8049 By Email Customer S...

Page 4: ...r motor triggers at user defined intervals Turbidity Plus is available in two linear ranges up to 500 or 3 000 NTU with minimum detection limits of 0 05 or 0 5 NTU respectively It delivers a voltage response proportional to the turbidity of the sample which can be correlated to nephelometric turbidity unit NTU concentrations by calibrating the sensor using AMCO Clear Turbidity Standards Deployable...

Page 5: ...NTU Turbidity Plus with Integrated Wiper P N 2185 000 o Fully configured with connector and complete wiper assembly Note The wiper shaft has a flat edge for the application of a set screw to avoid unwanted movement of the wiper assembly 2 2 Optional Accessories 0 6 meter Pigtail Cable with Locking Sleeve P N 2200 170 Turner Designs does not sell cables longer than 0 6M for the Turbidity Plus We re...

Page 6: ...heck on Turbidity Plus connect the Pigtail P N 2200 170 colored wires to the power supply and multi meter as shown in Figure 1 below Additional Equipment required for functional tests DC Power Supply 3 15 VDC 100 mA Multi meter to read 0 5 VDC Note Supply voltages greater than 9 VDC will result in damage to the sensor Figure 1 2 6 4 7 1 5 3 2 8 5 Turbidity Plus pins Pigtail P N 2200 170 2 4 6 3 1 ...

Page 7: ...VDC Note Supply voltages greater than 9 VDC will result in damage to the sensor Figure 2 12 00 015 DC Power Supply PSU Positive Connection Red 3 Supply Ground 0 VDC Brown 4 3 52 Multimeter 10 VDC Signal Output Yellow 5 Analog Ground White 6 Orange 1 Black 2 No Connection Turbidity Plus Pigtail Cable Home Signal Blue 7 Wiper Trigger Green 8 Orange Cable Wire Color Pin Function Orange 1 N A Black 2 ...

Page 8: ... meter following the steps below shown in Figure 3 1 Disconnect the blue wire from the meter and connect the yellow wire in its place It should read about 0 volts 2 Briefly touch the orange wire to the power supply ground 3 The wiper should start rotating and the meter should read about 3 2 volts until the wiper returns to its home position Figure 3 Note The sensor has built in protection if the w...

Page 9: ... The wiper should start rotating and the meter should read about 3 2 volts until the wiper returns to its home position Figure 4 Note The sensor has built in protection if the wiper becomes blocked and cannot move In this case the wipe will stop and will try to return to the home position the next time it is triggered Warning Do not move the wiper by hand This can cause permanent damage to the sen...

Page 10: ...elow to establish a correlation between the standard s concentration and the sensor s voltage response Use the equation in step 6 to calculate NTU concentrations 1 Connect Turbidity Plus to a power source and multimeter see figure 1 for details 2 Fill a darkened beaker with blank sample and use Turbidity Plus to measure the voltage of the blank Note A good blank to use for this application is ultr...

Page 11: ...age reading from standard concentration Note Calibration of Turbidity Plus is not required but recommended Note There is no Temperature Compensation built into Turbidity Plus The average percentage change of blank adjusted voltage is 0 45 mv degree C of signal ...

Page 12: ...to low Multiple rotations of the wiper can be achieved by sending multiple pulses on the trigger wire while the wiper is rotating but after each triggered rotation there must be a 50 millisecond delay before the next triggered rotation The wiper will rotate the number of pulses it receives 2 The home signal can be monitored on the digital input It is normally a 0 or low When the wiper is rotating ...

Page 13: ... as this can result in water intrusion PSU Positive 3 15 VDC PSU Ground 0 VDC Analog Signal Analog Ground Fondriest Orange MCIL 8 FS cable Digital Input Digital Output P N 2200 170 Orange NexSens Turbidity Plus Acquisition System Red Red Supply Voltage Power Positive Green Brown Supply Ground Power Ground Brown Yellow Signal Ground Analog Input Ground Blue White Signal Out Analog Input Signal Oran...

Page 14: ...rmal use and service for a period of 12 months from the date of shipment from Turner Designs with the following restrictions Turner Designs is not responsible for replacing parts damaged by accident or neglect Your instrument must be installed according to instructions in the User s Manual Damage from corrosion is not covered Damage caused by customer modification of the instrument is not covered ...

Page 15: ...guous continental United States who purchased equipment from one of our authorized distributors contact the distributor If you purchased directly contact us We will repair the instrument at no charge Customer pays for shipping duties and documentation to Turner Designs Turner Designs pays for return shipment custom duties taxes and fees are the responsibility of the customer 5 4 Out of Warranty Se...

Page 16: ...Turbidity Plus Sensor 998 2187 Rev G Page 16 ...

Page 17: ...Range 0 3000 NTU 0 500 NTU Precision 0 10 0 1 NTU 10 1000 0 4 NTU 1000 0 04 of NTU Concentration 0 50 NTU 0 05 NTU 50 500 NTU 0 25 NTU Linearity full range 0 99 R2 Wiper Trigger Pulse to zero ground for wiper rotation Minimum Pulse Width for Wiper Trigger 50 milliseconds Temperature Range Ambient 0 to 50 C Water Temp 2 to 50 C Light Source Light Emitting Diode Excitation Wavelength IR Detector Pho...

Page 18: ... a glass container place the container on a non reflective black surface 3 Ensure that the sensor is more than 3 inches above the bottom of the container 4 Ensure that the sensor is in the center of the container and has more than 2 inches clearance between the cirumference of the sensor and the inside surface of the beaker 3 inches Dark Black Non Reflective Surface 2 inches all round Calibrated S...

Page 19: ...No MCIL 8 FS A maximum cable length up to 20 meters can be connected to Turbidity Plus if the following conditions are met 1 The cable is shielded and contains 20 gauge conductor size or greater i e Beldon No 8426 cable 2 The 0 5 volt Analog output is connected to a device i e Data Logger with an input impedance of 1 MegOhm or greater 3 The supply voltage to Turbidity Plus is between 3 and 15 volt...

Page 20: ...ctional tests 1 Is there voltage output The multi meter should be reading some voltage 0 VDC 2 Does the voltage output change Move the palm of your hand towards the optical head and check if the voltage output increases Color Function Red Supply Voltage 3 15 VDC Black Supply Ground 0 VDC Orange Signal Out 0 5 VDC Green Signal Ground 0 VDC Blue Home Signal Yellow Wiper Trigger 3 2 VDC 12 00 015 DC ...

Page 21: ...otating and not in the home position 2 The yellow wire is the wiper motor trigger Briefly touch the yellow wire to the power supply ground to start the wiper rotating The meter should read about 3 2 volts until the wiper returns to its home position Figure 8 Signal Output Orange 12 00 015 DC Power Supply PSU Positive Connection Supply Ground Black 3 20 Multimeter 10 VDC 3 4 2 1 5 6 6 3 3 4 4 2 2 1...

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