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Campbell TE525 Instruction Manual

Tipping bucket rain gage
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TE525 Tipping Bucket
Rain Gage
Revision: 12/15
C o p y r i g h t
©
1 9 9 0 - 2 0 1 5
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 TE525

  • Page 1 TE525 Tipping Bucket Rain Gage Revision: 12/15 C o p y r i g h t © 1 9 9 0 - 2 0 1 5 C a m p b e l l S c i e n t i f i c ,...
  • Page 3 Limited Warranty The TE525, TE525WS, and TE525MM are warranted for thirty-six (36) months subject to this limited warranty: “Products manufactured by CSI are warranted by CSI to be free from defects in materials and workmanship under normal use and service for twelve months from the date of shipment unless otherwise specified in the corresponding product manual.
  • Page 4 SCIENTIFIC, INC., phone (435) 227-9000. After an application engineer determines the nature of the problem, an RMA number will be issued. Please write this number clearly on the outside of the shipping container. Campbell Scientific’s shipping address is: CAMPBELL SCIENTIFIC, INC.
  • Page 5 Periodically (at least yearly) check electrical ground connections. • WHILE EVERY ATTEMPT IS MADE TO EMBODY THE HIGHEST DEGREE OF SAFETY IN ALL CAMPBELL SCIENTIFIC PRODUCTS, THE CUSTOMER ASSUMES ALL RISK FROM ANY INJURY RESULTING FROM IMPROPER INSTALLATION, USE, OR MAINTENANCE OF TRIPODS, TOWERS, OR ATTACHMENTS TO TRIPODS AND TOWERS SUCH AS SENSORS, CROSSARMS, ENCLOSURES, ANTENNAS, ETC.

  • Page 7: Table Of Contents

    Table of Contents PDF viewers: These page numbers refer to the printed version of this document. Use the PDF reader bookmarks tab for links to specific sections. 1. Introduction ..............1 2. Precautions ..............1 3. Initial Inspection ............1 Ships With ....................
  • Page 8 Mounting pole base options ..............8 7-2. TE525 Tipping Bucket Rain Gage ............9 7-3. CM270 Rain Gage Mount attaches to the base of a TE525-series rain gage to give added stability ............9 8-1. TE525-series Rain Gage schematic ........... 10 C-1.

  • Page 9: Introduction

    TE525 Tipping Bucket Rain Gage Introduction The TE525 Tipping Bucket Rain Gage is an adaptation of the standard National Weather Service tipping bucket rain gage. It outputs a switch closure for each bucket tip. Three models are available: • TE525 6 in.

  • Page 10: Quickstart

    TE525 Tipping Bucket Rain Gage QuickStart Short Cut is an easy way to program your datalogger to measure the TE525 and assign datalogger wiring terminals. Short Cut is available as a download on www.campbellsci.com and the ResourceDVD. It is included in installations of LoggerNet, PC200W, PC400, or RTDAQ.
  • Page 11 TE525 Tipping Bucket Rain Gage Under the Available Sensors and Devices list, select the Sensors | Meteorological | Precipitation folder. Select TE525/TE525WS Rain Gauge or TE525MM/TE525M Rain Gauge, depending on which model you have. Click to move the selection to the Selected device window.

  • Page 12: Overview

    Campbell Scientific’s CS705 Snowfall Conversion Adapter uses antifreeze to melt snow, allowing the TE525WS to measure the water content of snow. The CS705 cannot be used with either the TE525 or TE525MM. However, both the TE525 and TE525MM can be converted to a TE525WS by returning them to...

  • Page 13: Specification Comparisons

    (2.4 lb) Weight The volume of water required to cause a tip in the TE525 and the TE525MM is the same. The difference in calibration is strictly due to funnel size. If the CS705 Snowfall Adapter or other eight-inch funnel is installed on these gages, refer to TABLE for the multiplier.

  • Page 14: Installation

    TE525 Tipping Bucket Rain Gage Installation If you are programming your datalogger with Short Cut, skip Section 7.1, , and Section 7.2, Datalogger Programming Wiring to Datalogger (p. 6) (p. 6) Short Cut does this work for you. See Section 4, QuickStart , for a Short (p.

  • Page 15: Siting

    Mounting The TE525 includes hose clamps to mount the gage to a 1- to 2-inch pipe. As an alternative for added stability and for better leveling capabilities, the CM270 leveling base could be used instead (FIGURE 7-3). This leveling base is included with the CM705 Snowfall Adapter but can also be purchased separately.

  • Page 16: Mounting Pole Base Options

    TE525 Tipping Bucket Rain Gage FIGURE 7-1. Mounting pole base options Mount the gage with its lip at least 5 cm (2 in) above the post or pole (FIGURE 7-2). Level the rain gage after mounting it. NOTE Before final leveling, press either end of the bucket down against...

  • Page 17: Te525 Tipping Bucket Rain Gage

    TE525 Tipping Bucket Rain Gage FIGURE 7-2. TE525 Tipping Bucket Rain Gage FIGURE 7-3. CM270 Rain Gage Mount attaches to the base of a TE525-series rain gage to give added stability...

  • Page 18: Operation

    Sensor Schematic FIGURE 8-1. TE525-series Rain Gage schematic Measurement Campbell Scientific dataloggers measure TE525 rain gages by counting switch closures and converting the total to rainfall. The PulseCount() instruction employs dedicated pulse count accumulators, which continuously monitor the input signal, even when the datalogger is between program scans. To create a pulse, an internal 100 kΩ...

  • Page 19: Maintenance

    16 oz. of water. One half turn of both screws causes a 2% to 3% change. Check and re-level the rain gage lid. Factory Calibration: If factory calibration is required, contact Campbell Scientific to obtain an RMA (see Assistance at front of manual).
  • Page 20 TE525 Tipping Bucket Rain Gage...

  • Page 21: Importing Short Cut Code Into Crbasic Editor

    Appendix A. Importing Short Cut Code Into CRBasic Editor This tutorial shows: • How to import a Short Cut program into a program editor for additional refinement How to import a wiring diagram from Short Cut into the comments of •...
  • Page 22 Appendix A. Importing Short Cut Code Into CRBasic Editor This character instructs the datalogger compiler to ignore the line when compiling.

  • Page 23: Example Programs

    B.1 CR1000 Pulse Channel Example Program CRBasic Example B-1. CR1000 Pulse Channel Example Program 'Program records precipitation from one TE525 or TE525WS Rain Gage once a 'second and stores the total every 60 minutes 'Wiring Diagram...

  • Page 24: Cr200(X) Series Example Program

    Appendix B. Example Programs B.2 CR200(X) Series Example Program CRBasic Example B-2. CR200(X) Series Example Program 'Program records precipitation from one TE525 or TE525WS Rain Gage once a 'second and stores the total every 60 minutes 'Wiring Diagram '============== 'TE525 or TE525WS...

  • Page 25: Cr1000 Control Port Example Program

    Appendix B. Example Programs B.3 CR1000 Control Port Example Program CRBasic Example B-3. CR1000 Control Port Example Program 'Program records precipitation from one TE525 or TE525WS Rain Gage once a 'second and stores the total every 60 minutes 'Wiring Diagram...
  • Page 26 Appendix B. Example Programs...

  • Page 27: Cm270 Installation

    Appendix C. CM270 Installation Tools needed: • Open-end wrench, 7/16-inch open-ended wrench, or 7/16-inch socket wrench • Long #2 Phillips Screwdriver Remove manufacturer’s mounting hardware: Remove the three feet mounted on the bottom of the rain gage. Remove the side bracket, but keep the screws. Place the side bracket screws into the rain gage and tighten.
  • Page 28 Appendix C. CM270 Installation Bubble level V-shaped Bolt Bolt plate V-shaped V-shaped plate leg plate leg Bolt S-shaped Cylindrical plate Leveling Leveling spacer spring spring Grommet Grommet Bottom plate Grommet FIGURE C-1. Exploded view of the CM270 Mounting Bracket Kit S-shaped V-shaped plate plate...
  • Page 29 Appendix C. CM270 Installation Do the following to mount the tipping bucket rain gage to the CM270 bracket (FIGURE C-3): Follow this procedure to ensure that the tipping bucket is mounted NOTE correctly. The adjustment screws for the tipping mechanism will not be accessible if it is mounted incorrectly.
  • Page 30 Appendix C. CM270 Installation Attach the mounting bracket/tipping bucket assembly to the mounting pipe or mast: Install and level the mounting pipe or mast. Loosen the mounting bracket’s wingnuts and slide the assembly over the pipe. If necessary, the pole mounting hardware can be removed to get the bolts around the pipe.

  • Page 31: Installation Of Texas Electronics Rain Gage Funnel Band

    This appendix shows the installation of the rain-gage funnel band NOTE on a TE525 and TE525MM. The TE525WS funnel is similar to a TE525MM funnel. D.2 Installation Install the funnel band in the field. The small rubber band securing...
  • Page 32 Be careful that the funnel does not slip up during this process and remains seated. The band will have a slight bulge where it meets the side mounting arm. Band properly Band properly placed on a placed on a TE525 TE525MM Bulge for mounting arm Bulge for mounting arm CAUTION...

  • Page 33: Changing Funnels With A Different Size

    The TE525WS rain gage uses a different tipping mechanism that is calibrated differently than the TE525 or TE525MM. The tipping mechanism must be replaced to work with a TE525 or TE525MM funnel. Send the rain bucket into the Campbell Scientific repair department for modifications. Contact Campbell...
  • Page 34 Appendix E. Changing Funnels with a Different Size...
  • Page 36 Santo Domingo, Heredia 40305 SOUTH AFRICA COSTA RICA • cleroux@csafrica.co.za • info@campbellsci.cc www.campbellsci.co.za www.campbellsci.cc Campbell Scientific Southeast Asia Co., Ltd. Campbell Scientific Ltd. 877/22 Nirvana@Work, Rama 9 Road Campbell Park Suan Luang Subdistrict, Suan Luang District 80 Hathern Road Bangkok 10250...

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