Campbell CS440 Instruction Manual
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Campbell CS440 Instruction Manual

Liquid level sensor
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CS440 Liquid Level Sensor
Revision: 9/06
C o p y r i g h t
©
2 0 0 6
C a m p b e l l
S c i e n t i f i c ,
I n c .

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Summary of Contents for Campbell CS440

  • Page 1 CS440 Liquid Level Sensor Revision: 9/06 C o p y r i g h t © 2 0 0 6 C a m p b e l l S c i e n t i f i c , I n c .
  • Page 2 Warranty and Assistance The CS440 LIQUID LEVEL SENSOR is warranted by CAMPBELL SCIENTIFIC, INC. to be free from defects in materials and workmanship under normal use and service for twelve (12) months from date of shipment unless specified otherwise. Batteries have no warranty. CAMPBELL SCIENTIFIC, INC.'s obligation under this warranty is limited to repairing or...

  • Page 3: Table Of Contents

    CS440 Table of Contents PDF viewers note: These page numbers refer to the printed version of this document. Use the Adobe Acrobat® bookmarks tab for links to specific sections. 1. Introduction..............1 2. Specifications ..............1 3. Installation..............2 3.1 Initial Inspection and Handling Guidelines ..........2 3.2 Installation Guidelines ................2...
  • Page 4 This is a blank page.

  • Page 5: Introduction

    Information provided in the manual includes datalogger-to-sensor connection, datalogger programming, and maintenance requirements. The CS440 Submersible Pressure Transducer is designed to provide reliable, accurate water pressure/level measurements. The CS440 is specified for operation over the 0° – 50°C (32° – 122°F) temperature range. Standard pressure ranges include 0 –...

  • Page 6: Installation

    3. Installation 3.1 Initial Inspection and Handling Guidelines Upon receipt of the CS440, inspect the packaging for any signs of shipping damage and, if found, report the damage to the carrier in accordance with policy. The contents of the package should also be inspected and a claim filed if any shipping related damage is discovered.

  • Page 7: Wiring

    CS440 Liquid Level Sensor Although the cable jacket is made from a thick, tough polyurethane formation, care should be taken to avoid cable damage. Further, sharp bends or excessive pinching of the cable can cause damage and may pinch off the vent tube causing measurement errors in the case of gauge pressure (vented) devices.

  • Page 8: Programming Example

    CS440 Liquid Level Sensor IMPORTANT: Current measurements such as 4-20 mA signals vary widely in how they can be powered and connected to a datalogger. Please refer to the CURS100 manual or the Application Note 2MI-B. 5. Programming Example 5.1 Using ShortCut ShortCut is the easiest and typically the preferred method for programming the datalogger.

  • Page 9: Using Edlog

    5.3 Using Edlog Typically, Instruction 2 (Volt Diff) is used to read the CS440. Instruction 1 (Volt SE) can also be used to read the CS440. Your datalogger manual provides detailed explanations of Instruction 1 and Instruction 2.

  • Page 10: Maintenance

    CS440 Liquid Level Sensor After this command is executed, the input location within the logger called “Level” holds the measured pressure, reported in PSI. This result may be further processed within the logger or stored to final storage memory. Multiplier and Offset The Multiplier and Offset can be changed to scale the result or perform unit conversions.

  • Page 11: Every Three Months

    CS440 Liquid Level Sensor • Check battery condition (physical and *6 mode of the datalogger) • Check all sensor readings (*6 mode of the datalogger); adjust transducer offsets if necessary • Check recent data (*7 mode of the datalogger) •...
  • Page 12 CS440 Liquid Level Sensor Suggestion: A kinked or plugged vent tube will not effectively vent a gauge pressure (vented) type of device. Normal changes in barometric pressure will appear as water level fluctuations and these types of errors are typically on the order of 1 foot of water level.
  • Page 13 This is a blank page.
  • Page 14 Campbell Scientific Companies Campbell Scientific, Inc. (CSI) 815 West 1800 North Logan, Utah 84321 UNITED STATES www.campbellsci.com info@campbellsci.com Campbell Scientific Africa Pty. Ltd. (CSAf) PO Box 2450 Somerset West 7129 SOUTH AFRICA www.csafrica.co.za cleroux@csafrica.co.za Campbell Scientific Australia Pty. Ltd. (CSA)

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