Turner Turbidity Plus User Manual

With integrated wiper

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

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  • Page 1 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...
  • Page 2: Table Of Contents

    Functional Test for Turbidity Plus with connector with P/N 2200-170 Functional test for Turbidity Plus with connector with Fondriest Cable Functional test of the wiper for the Turbidity Plus with connector P/N 2200-170 Functional test of the wiper for the Turbidity Plus with connector...
  • Page 3 WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE) DIRECTIVE Turner Designs is in the business of designing and selling products that benefit the well-being of our environment. Accordingly, we are concerned with preserving the surroundings wherever our instruments are used and happy to work with customers by complying with the WEEE Directive to reduce the environmental impact resulting from the use of our products.
  • Page 4: Introduction

    It is designed for integration with multiparameter systems and dataloggers from which it receives power and wiper 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.
  • Page 5: Inspection And Setup

    Turbidity Plus Sensor 2. Inspection and Setup 2.1 The Turbidity Plus Sensor is available in the following configurations:  Turbidity Plus Sensor with Integrated Wiper P/N 2180-000 o Fully configured with connector and complete wiper assembly  Turbidity Plus with Integrated Wiper Motor and Wiper Assembly, No Connector P/N: 2180-000-NC.
  • Page 6 Turbidity Plus Sensor Note: Turbidity Plus without connector refer to Appendix D. 2.3 Functional test for Turbidity Plus with connector with Pigtail P/N 2200-170. To perform a functional check 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.
  • Page 7: Functional Test For Turbidity Plus With Connector With P/N 2200-170

    Turbidity Plus Sensor 2.4 Functional test for Turbidity Plus with connector with Fondriest Cable P/N MCIL-8-FS-5/10 5 or 10 meter Pigtail Cable with Locking Sleeve. To perform a functional check on Turbidity Plus, connect the Fondriest Cable colored wires to the power supply and multi-meter as shown in Figure 2 below.
  • Page 8 Move the palm of your hand towards the optical head and check if the voltage output increases Note: A visual test of the LED for Turbidity Plus is not possible because it is IR, which is not visible. 2.5 Functional test of the wiper for Turbidity Plus with connector with P/N 2200- 170.
  • Page 9 Turbidity Plus Sensor 2.6 Functional test of the wiper for Turbidity Plus with connector Fondriest Cable. To perform a functional check on the wiper, connect the Pigtail colored wires to the power supply and multi-meter following the steps below, shown in Figure 4.
  • Page 10: Calibration

    Note: A good blank to use for this application is ultra-pure or deionized water. 3) Remove Turbidity Plus from the blank, pour out the blank sample, and fill the same darkened beaker with a standard solution of known concentration. 4) Measure the voltage response of the standard solution.
  • Page 11 Turbidity Plus Sensor Volts = Voltage 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% ...
  • Page 12: Integration

    Turbidity Plus Sensor 4. Integration Once Turbidity Plus has been tested and/or calibrated you can proceed with integration into your platform. Refer to the power requirements in Attachment A to make sure that your system is set up correctly. Refer below for typical use with a data acquisition system wiring configuration using P/N 2200-170 Figure 5 and Fondriest Cable Figure 6.
  • Page 13 **Orange and Black wires from the Orange cable are not connected Note: In instances where Turbidity Plus is attached with a clamp, care must be taken to not over tighten and cause damage to the outer housing as this can result in water intrusion.
  • Page 14: Maintenance And Warranty

    5. Maintenance and Warranty 5.1 Maintenance 5.1.1 Rinsing Turbidity Plus should be rinsed or soaked in fresh water following each deployment, ideally, until it is completely clean again. 5.1.2 Care for the bulkhead connector A light coat of Silicone spray should be used on the rubber of the male pins of the bulkhead to aid in sealing.
  • Page 15: Out Of Warranty Service

    Authorization number (RMA) to reference. Package the unit, write the RMA number on the outside of the shipping carton, and ship the instrument, prepaid, to Turner Designs. If the failure is covered under the warranty terms the instrument will be repaired and returned free of charge, for all customers in the contiguous continental United States.
  • Page 16 Turbidity Plus Sensor 998-2187 Rev. G Page 16...
  • Page 17: A Specifications

    Sampling focal point is in front of the sensor face No data averaging - analog signal output *Accuracy is determined by the user’s correlation between the 0-5 V output and the 0-3000 NTU range. Resolution is determined by the datalogger. Turbidity Plus are not factory calibrated. 998-2187 Rev.
  • Page 18: B Recommended Measurement Practices

    Turbidity Plus Sensor Appendix B: Recommended Measurement Practices Recommended Lab Practices for Measurements The following steps will improve the accuracy and repeatability of your measurements, especially at low concentration levels: 1. Use a non-fluorescent container for your water samples. Note: Plastic may fluoresce and interfere with the sample’s fluorescence.
  • Page 19: C Pigtail Cable And Connector Information

    Dimension details of 24” length cable with 20 gauge colored lead wire, connects 8-pin male connector. Part 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.
  • Page 20: D Functional Test For Turbidity Plus With No Connector

    Turbidity Plus Sensor Appendix D: Functional Test for Turbidity Plus with no Connector To perform a functional check on Turbidity Plus, connect Turbidity Plus colored wires to the power supply and multi-meter as shown in Figure 7 below. Color Function...
  • Page 21 Turbidity Plus Sensor Note: A visual test of the LED functionality for Turbidity Plus is not possible because it is IR which is not visible. To perform a functional check on wiper, connect the colored wires to the power supply and multi-meter following the steps below, shown in Figure 8.

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