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NEP-9500 SERIES
TURBIDITY PROBE
NEP-9500 SERIES
ABN 56 007 283 963
TURBIDITY PROBE
8-10 Keith Campbell Court, PO Box 9039
User Manual
Scoresby, VIC 3179 AUSTRALIA
Tel: +61 3 8706 5000, Fax: +61 3 8706 5049
Version 1.01 – Oct 2017
Email: info.au@observator.com
Author: Observator Instruments
Web: www.observator.com
Observator Instruments V1.01
Copyright 2017
©
Page 1
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Summary of Contents for Observator Instruments NEP-9500 Series
- Page 1 NEP-9500 SERIES TURBIDITY PROBE NEP-9500 SERIES ABN 56 007 283 963 TURBIDITY PROBE 8-10 Keith Campbell Court, PO Box 9039 User Manual Scoresby, VIC 3179 AUSTRALIA Tel: +61 3 8706 5000, Fax: +61 3 8706 5049 Version 1.01 – Oct 2017 Email: info.au@observator.com...
- Page 2 NEP-9500 MANUAL V1.01 Document History Paper copies are valid only on the day they are printed. Contact Observator Instruments if any doubt about the accuracy of this document. Revision History This document has been revised by: Revision Number Revision Date...
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Page 3: Table Of Contents
11. ELECTRICAL CONFORMITY ..................23 EC Declaration of Conformity according to Council Directive 89/336/EEC ....23 12. SERVICE & SUPPORT COVERAGE ................24 Warranty conditions ......................25 Contact & more information ....................25 Observator Instruments V1.01 Page 3 Copyright 2017 ©... - Page 4 NEP-9500 MANUAL V1.01 Page intentionally left blank Observator Instruments V1.01 Page 4 Copyright 2017 ©...
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Page 5: Nep-9500 Introduction
NEP-9500 MANUAL V1.01 1. NEP-9500 INTRODUCTION Thank you for purchasing an ANALITE NEP-9500 series turbidity probe. It will give you years of service if you install and maintain it according to guidelines set out in this Manual. The ANALITE NEP-9500 series of turbidity probes are an enhanced version of our successful ANALITE 90 and 95 series probes. -
Page 6: Applications
Measuring turbidity under these circumstance will require a stilling well to allow the sand particles to settle away from the optic sensor in the probe tip. Observator Instruments V1.01 Page 6 Copyright 2017... -
Page 7: Safety
Never obstruct the wiper or prevent the wiper from wiping. Always clean and dry the sensor after use. After end of life dispose this product according local regulations or return to manufacturer. Observator Instruments V1.01 Page 7 Copyright 2017 ©... -
Page 8: Specification
NEP-9500 MANUAL V1.01 4. SPECIFICATION Glanded cable option (default) Turbidity sensor Dimensions Length 320.4mm Diameter 31.70mm Subconn option Turbidity sensor Dimensions Length 297mm Diameter 31.7mm Observator Instruments V1.01 Page 8 Copyright 2017 ©... - Page 9 Current Consumption 25mA maximum when not wiping plus up to 60mA if current output fitted. Power Settling Time 2 Sec Wiping Current NEP-9500 series only. Additional 25mA approx. at less than 10m submersion. Observator Instruments V1.01 Page 9 Copyright 2017...
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Page 10: Pinout & Wiring Diagram
Wire color Voltage option Green Ground (0V Common) Shield (No connection within probe) Shield 8 to 30V DC power supply (+Ve) Brown Wiper (Probe sleep/Wipe) Grey Yellow Voltage Common White Voltage Output Observator Instruments V1.01 Page 10 Copyright 2017 ©... -
Page 11: 4-20Ma Current Output Version
Supply Common conductor at the end of the cable to reduce the voltage drop along the run. When a NEP-9500 series probe is ordered with the 4-20mA current output, the probe is configured as a (high) current source. The load must be less than 270 ohms to ensure proper operation over the probe’s specified power supply range. -
Page 12: Subconn Connection
Surge and lightning protection may also have to be considered given that many installations are “in the wild”. It is important to note that the NEP-9500 series probes have the stainless steel casing terminated only to the cable shield. There is no electrical contact between the casing terminated only to the cable shield. -
Page 13: Description
Product identification Each product code can be used to identify each product specification and determine which wiring must be used for the configuration as detailed in the examples below: Observator Instruments V1.01 Page 13 Copyright 2017 ©... -
Page 14: Accessories
NEP-9500 MANUAL V1.01 7. ACCESSORIES Observator Instruments offers a wide range of accessories for NEP-9500 range of product directly available from the website: Accessories Figure 2.1. Case Figure 2.2. Wiper replacement kit Figure 2.3. Shroud NEP-9SHRD - Stainless protective shroud Observator Instruments V1.01... -
Page 15: Installation
The minimum distance between the optic head and any object should be 50mm (2”). The standard casing of the ANALITE NEP-9500 series probes are made of 6 stainless steel but the optic face is made of plastic materials and so should be protected from accidental scratching or abrasion. -
Page 16: Physical Cabling Considerations
NEP-9500 MANUAL V1.01 Physical cabling considerations Cable normally supplied with the ANALITE NEP-9500 series probes is a specially selected PUR sheathed and screened cable selected for strength, chemical resilience and exceptional resistance to cuts, nicks and abrasion. The cable part number is NEP-CBL. -
Page 17: Deployment
Connect the Subconn Female extension cable to the probe according to the matching pin configuration as shown below: Make sure the connector is sealed by screwing tight the connector. Install the probe to the mounting location ready for deployment. Observator Instruments V1.01 Page 17 Copyright 2017 ©... -
Page 18: Deploy The Probe
3. In a simple application the probe is simply immersed into the water to the desired depth, but within the depth rating of the probe. Please note the depth rating is based on static water. Observator Instruments V1.01 Page 18 Copyright 2017... -
Page 19: Retrieve The Probe
Carefully pull the sensor out of water. Clean the sensor with fresh water and carefully dry the connector (blow air if necessary), then disconnect the cable from the connector. Store the probe in appropriate conditions. Observator Instruments V1.01 Page 19 Copyright 2017... -
Page 20: Maintenance
The wiper is a consumable item and a spare is provided with each NEP-9500 series probe along with a hex key to loosen and fasten the wiper set screw. Wiper packs containing four wipers and a hex key are available (Part Number NEP-9WIPE) as a standard accessory. - Page 21 CAUTION: Do not over tighten the set screw or manually attempt to rotate the wiper arm once set onto the shaft. Any attempt to manually rotate the wiper may cause gearbox damage and void the warranty. Observator Instruments V1.01 Page 21 Copyright 2017...
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Page 22: Cleaning The Sensor
On the field, wash the probe with fresh water and clean it with a soft cloth. In the office, we recommend to clean the sensor with isopropyl alcohol (available from grocery store) and dry the sensor with compressed air. Observator Instruments V1.01 Page 22 Copyright 2017... -
Page 23: Electrical Conformity
NEP-9500 MANUAL V1.01 11. ELECTRICAL CONFORMITY EC Declaration of Conformity according to Council Directive 89/336/EEC We, Observator Instruments Pty. Ltd., declare under our sole responsibility that the product: ANALITE NEP-9500 series of turbidity probes and accessories, Manufactured by: Observator Instruments Pty. Ltd. -
Page 24: Service & Support Coverage
If warranty or repair is required, please request an RMA number at the Observator Website: https://observator.com/en/support/rma-request You will need: 1. Your Serial Number (can be found on the probe sticker) 2. A valid E-Mail S/N: 108-225 Observator Instruments V1.01 Page 24 Copyright 2017 ©... -
Page 25: Warranty Conditions
Damage as a result of improper installation will also void this warranty. Should you require service (under warranty or otherwise) please contact Observator Instruments distributor from whom you purchased the probe, or our Service Centre. If the probe is being returned for service under warranty, please supply proof of purchase and the Warranty document which has been emailed to you during the warranty registration.
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