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Summary of Contents for Observator Instruments Analite NEP-9500-PLUS Series
- Page 1 Manual NEP-9500-PLUS series turbidity probe Version: 20200309 Status: Final Confidentiality: Not confidential Date: 09 March 2020 Author: Ludovic Grosjean www.observator.com Manual | NEP-9500-PLUS series turbidity probe Page 1 | 21 Status: Final | Not confidential V20200309...
- Page 2 Document history The Observator range is in continuous development and so specifications may be subject to change without prior notice. When in doubt about the accuracy of this document, contact the Observator Group. Reference documents Type of document / tool Product type and name (incl.
- Page 3 Summary 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 the 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.
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Page 4: Table Of Contents
Table of contents Applications ........................5 Safety ..........................6 Specification ........................7 Glanded cable option (default) ......................7 SubConn option ........................... 7 Pinout & wiring diagram ....................9 Voltage output version ......................... 9 4-20mA current output version ......................10 SubConn connection ......................... 11 Surge and lightning considerations .................... -
Page 5: Applications
Applications Analite NEP-9500 probes typical use includes applications such as: 1. Monitoring of streams and rivers 2. Monitoring of water storage bodies including stratification studies 3. Intermediate and final effluent treatment monitoring 4. Hydrological run off studies 5. Ground and bore water analysis 6. -
Page 6: Safety
Safety Do not connect anything that is potentially electrical to the metal body of the sensor as it may result in electrical shocks that could harm you or destroy your instruments. Do not attempt to force the wiper mechanism while operating or you may harm yourself due to the higher torque level. -
Page 7: Specification
Specification 3.1 Glanded cable option (default) Turbidity sensor dimensions Length 320.4mm Diameter 31.70mm 3.2 SubConn option Turbidity sensor dimensions Length 297mm Diameter 31.7mm Manual | NEP-9500-PLUS series turbidity probe Page 7 | 21 Status: Final | Not confidential V20200309... - Page 8 Measurement NEP-9500-PLUS Technique ISO-7027-90 Range To customer requirements ±2.5V or 4 – 20mA, where -2.5V or 4mA = 0NTU Output span 0 to + V and 0 to +2.5V outputs are also available Specify output at time of order Response time Approximately 1 second Linearity 1% Accuracy...
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Page 9: Pinout & Wiring Diagram
Pinout & wiring diagram Long cable lengths are common; therefore, some electrical factors should be considered and these are discussed below. There are two wiping protocols available on the NEP-9500 probes: 1. A single wipe externally initiated by momentarily resetting the probe (please specify during the ordering). -
Page 10: 4-20Ma Current Output Version
4.2 4-20mA current output version Analite NEP-9500 probes may have an analogue 4-20 current output with a maximum load rating of 200 Ohms, consequently cable loop resistance should be considered. The Polyurethane (PUR) cable normally supplied with the probes has a nominal loop resistance of 4.6 Ohms per 100m. A schematic of the probe and its load is shown below. -
Page 11: Subconn Connection
4.3 SubConn connection The standard version of the NEP-9500 probes are glanded cable connectors. Optional SubConn 6-pin marine connectors are also available. The pinout configuration of the NEP-9500 is the following: SubConn pin number Meaning Color Ground Black Signal output White Power Shield... -
Page 12: What You Will Find In The Box
What you will find in the box When the product is delivered, this is what you will receive in the box: Items found in the box NEP-9500 probe NEP-CBL-XX Cable length (XX) in meters to be specified at time of order 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:... -
Page 13: Accessories
Accessories Observator Instruments offers a wide range of accessories for the NEP-9500 range. These products are available from the website: Accessories Case NEP-CASE Wiper replacement kit NEP-WIPER-KIT - comprising of 4 silicon wipers and a hex fastening key Shroud NEP-9SHRD - Stainless... -
Page 14: Installation
Installation There are aspects to consider when preparing to install the Analite NEP-9500 series probes in the field: 1. Installation of the probe properly into the environment where measurements are to take place 2. Physical cabling considerations 3. Electrical cabling considerations 7.1 Installing the probe for the first time The probe is normally installed with the optics pointing downwards (but not vertical) or in a horizontal alignment. -
Page 15: Physical Cabling Considerations
7.2 Physical cabling considerations The cable 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. Nevertheless, care should be taken during the installation process of the probe and its cabling to ensure that the cable is not subjected to persistent pulling, snagging abrasion or severe compression. -
Page 16: Deployment
Deployment 8.1 Installation Installation instructions will vary depending on your project requirements. A typical example involves the use of an extension cable for SubConn connector option which can be purchased separately. 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. -
Page 17: Deploy The Probe
8.2 Deploy the probe 1. Start by considering the environment of operation: always operate wearing appropriate safety equipment in safe operational conditions. 2. The probe is normally installed with the optics pointing downwards (but not vertical) or in a horizontal alignment. - Page 18 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 stagnant water. 4. Allowances must be made for the effect of flowing water to ensure the stagnant depth rating is not exceeded.
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Page 19: Retrieve The Probe
Retrieve the probe Carefully pull the sensor out of the 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. Manual | NEP-9500-PLUS series turbidity probe Page 19 | 21 Status: Final | Not confidential V20200309... -
Page 20: Electrical Conformity
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. To which this declaration relates, are in conformity with the protection requirements of Council Directives 89/336/EEC on the approximation of the laws relating to electromagnetic compatibility. - Page 21 © Copyright – Observator Group Since 1924 Observator has evolved to be a trend-setting developer and supplier in a wide variety of industries. Originating from the Netherlands, Observator has grown into an internationally oriented company with a worldwide distribution network and offices in Australia, Germany, the Netherlands, Singapore and the United Kingdom.
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