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Campbell TE525 Instruction Manual

Manual is about: Tipping Bucket Rain Gage

Summary of TE525

  • Page 1

    Te525 tipping bucket rain gage revision: 10/13 c o p y r i g h t © 1 9 9 0 - 2 0 1 3 c a m p b e l l s c i e n t i f i c , i n c ..

  • Page 3: Warranty

    Warranty the te525, te525ws, and te525mm are warranted for thirty-six (36) months subject to this limited warranty: “products manufactured by campbell scientific, inc. Are warranted by campbell scientific, inc. (“campbell”) to be free from defects in materials and workmanship under normal use and se...

  • Page 4: Assistance

    Assistance products may not be returned without prior authorization. The following contact information is for us and international customers residing in countries served by campbell scientific, inc. Directly. Affiliate companies handle repairs for customers within their territories. Please visit www...

  • Page 5: 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. Cautionary statements...................................

  • Page 6

    Table of contents ii figures 4-1. Te525 tipping bucket rain gage ...................................................... 3 4-2. Pedestal base options........................................................................... 3 7-1. Rain gage schematic ....................................................

  • Page 7: 1.  Introduction

    Te525 tipping bucket rain gage 1. Introduction the te525 is an adaptation of the standard national weather service tipping bucket rain gage. Output is a switch closure for each bucket tip. Three models are available: • te525 6 in. Orifice 0.01 in. Tip • te525ws 8 in. Orifice 0.01 in. Tip • te525mm 2...

  • Page 8: 4.  Quickstart

    Te525 tipping bucket rain gage 3.1 ships with the te525 ships with: (1) calibration sheet (2) hose clamps from original manufacturer (1) resourcedvd (3) screws from original manufacturer 4. Quickstart please review section 7, operation, for wiring, crbasic programming, and edlog programming. 4.1 sit...

  • Page 9

    Te525 tipping bucket rain gage 24” 8” figure 4-1. Te525 tipping bucket rain gage figure 4-2. Pedestal base options 3.

  • Page 10

    Te525 tipping bucket rain gage 4.3 use scwin to program datalogger and generate wiring diagram the simplest method for programming the datalogger to measure the tipping bucket rain gages is to use campbell scientific’s scwin program generator (short cut). This section shows short cut’s programming f...

  • Page 11

    Te525 tipping bucket rain gage 3. Select te525/te525ws rain gauge, and select the right arrow (in center of screen) to add it to the list of sensors to be measured, and then select next. 4. Define the name of the public variable and the measurement units. After entering the information, click on ok,...

  • Page 12

    Te525 tipping bucket rain gage 5. Choose the output and then select finish. 6. In the save as window, enter an appropriate file name and select save. 7. In the confirm window, click yes to download the program to the datalogger. 8. Click on wiring diagram and wire according to the wiring diagram gen...

  • Page 13: 5.  Overview

    Te525 tipping bucket rain gage 5. Overview the te525-series tipping bucket rain gages funnel precipitation into a bucket mechanism that tips when filled to a calibrated level. A magnet attached to the tipping mechanism actuates a switch as the bucket tips. The momentary switch closure is counted by ...

  • Page 14: 6.  Specifications

    Te525 tipping bucket rain gage 6. Specifications features: • high precision • compatible with all campbell scientific dataloggers (including the cr200(x) series) • te525ws conforms to the national weather service recommendation for an 8-inch funnel orifice. • te525ws is directly compatible with the ...

  • Page 15: 7.  Operation

    Te525 tipping bucket rain gage te525 te525ws te525mm height 24.1 cm (9.5 in) 26.7 cm (10.5 in) 29.2 cm (11.5 in) tipping bucket weight 0.9 kg (2 lb) 1 kg (2.2 lb) 1.1 kg (2.4 lb) cable 2-conductor shielded cable cable weight 0.1 kg (0.2 lb) per 10 ft length 7. Operation 7.1 wiring when short cut is ...

  • Page 16

    Te525 tipping bucket rain gage the cr10 does not support the use of control port inputs with the pulse count instruction. Black white clear 100 Ω figure 7-1. Rain gage schematic in a long cable, there is appreciable capacitance between the lines. A built up charge could cause arcing when the switch ...

  • Page 17

    Te525 tipping bucket rain gage 7.2.1 pulse count example programs the following example programs use a pulse channel to read the output from the rain gage. The cr1000 example will also work with the cr800, cr850, cr3000, and cr5000. Cr9000(x) programming is similar to the cr1000 except it has an add...

  • Page 18: 8.  Troubleshooting

    Te525 tipping bucket rain gage 7.2.2 control port example this example measures a te525 rain gage in millimeters. A different multiplier would be entered (table 7-3) for other units. 7.2.2.1 cr1000 example program 'cr1000 'declare public variables and units public rain_mm units rain_mm=mm datatable ...

  • Page 19

    Te525 tipping bucket rain gage (3) place the can in the top funnel of the rain gage and pour 16 fluid ounces (1 pint) of water into the can. (a 16 oz. Soft drink bottle filled to within 2.5 inches of the top may be used for a rough field calibration. An exact volume will allow for a more precise cal...

  • Page 20

    Te525 tipping bucket rain gage 14.

  • Page 21

    Appendix a. Edlog program examples a.1 cr10x pulse count example program the cr10x program will also work with the cr500, cr510, cr10, 21x or cr23x. Cr7 programming is similar to the cr10x but has an additional parameter in the pulse (p3) instruction to specify the slot that the pulse card is in. ;{...

  • Page 22

    Appendix a. Edlog program examples a-2 a.2 cr10x control port example this example measures a te525 rain gage in millimeters. A different multiplier would be entered (table 7-3) for other units. ;{cr10x} ; *table 1 program 01: 1 execution interval (seconds) 1: pulse (p3) 1: 1 reps 2: 8 control port ...

  • Page 24

    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 sc...