Davis Instruments 7852 Installation Manual Download Page 16 | Manualshive

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Product Number: 7852

Part Number: 07395.224

Rain Collector II

Rev B Manual (10/21/05)

This product complies with the essential protection requirements of the EC EMC Directive 89/336/EC.

Copyright © 2004 Davis Instruments Corp. All rights reserved.

3465 Diablo Avenue, Hayward, CA 94545-2778 U.S.A.

510-732-9229 • Fax: 510-732-9188

E-mail: [email protected] • www.davisnet.com

Notes

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Summary of Contents for 7852

Page 1: ...her Wizard III and Weather Monitor II are also included in this manual Components The Rain Collector II includes the following components Please make sure you have all listed components before continuing Rain Collector with Cable The rain collector comes with the cone attached to the base and has a 40 12m cable Four 8 x 3 4 Screws Debris Screen This screen is placed into the rain collector cone to...

Page 2: ...2 Rain Collector Internal Components The illustration below shows the internal components of the rain collector many of which are referenced in this manual Rain Collector Internal Components ...

Page 3: ...ains a standard measurement weight magnet that takes measurements in 01 for every tip of the bucket The Weather Monitor II assembly contains a metric measurement that adjusts the tipping bucket mechanism so that it takes 2 mm metric measurements To change the weight magnet 1 Find the metric measurement adapter included in the hardware 2 Locate the standard measurement weight magnet between the arm...

Page 4: ...t weight has changed The rain measurement type must be changed on the console Rainfall Calibration Number Each station uses a rainfall calibration number CAL to determine how much water each bucket tip i e pulse represents Calibrated Rainfall Number of pulses x 1 CAL The default rainfall CAL of 100 works for the 0 01 rain collector If you have a 0 01 rain collector you do not need to adjust CAL at...

Page 5: ... may be pre calibrated for an earlier model rain collector See Calibration of Older Model Weather Stations on page 9 for instructions Testing the Rain Collector II Before installing the Rain Collector II test the unit If you are replacing a rain collector you previously installed make a note of the total rainfall amount displayed You may want to reenter this amount after you test the rain collecto...

Page 6: ...I Note Climbing on your roof may be hazardous If you are uneasy about installing your unit please have a qual ified professional complete the installation Davis specifically disclaims any liability for injury or loss resulting from the installation or use of the Rain Collector II Follow the instructions in this section to install your rain collector Make sure you read Choosing a Location for the R...

Page 7: ...ch is easily accessible for normal cleaning and is distant from trees or other sources of heavy pollen or debris Installing the Rain Collector II 1 If you have not already done so separate the cone from the base 2 If necessary disconnect the rain collector cable from the junction box 3 Locate a suitable mounting surface using the guidelines above 4 Place the base on the mounting surface and mark t...

Page 8: ...ips and records rainfall for each 0 01 or 0 2 mm if the metric adapter has been fitted of rain To adjust the calibration slightly use a 3 16 or 5 mm wrench to rotate the adjustment screws which are located underneath the bucket see Rain Collector Internal Components on page 2 The adjustment guide embossed in the platform shows how far you must rotate both screws in turn to effect a 1 and a 2 chang...

Page 9: ...en 6 Reconnect the rain collector cable to the junction box Using the Rainfall Function The instructions below explain how to display rainfall on the Weather Wizard III and Weather Monitor II To Display Rainfall 1 To display daily rainfall press RAIN The daily rainfall and the word RAIN display 2 To display total rainfall press RAIN again The total rainfall and the words RAIN and TOTAL appear on t...

Page 10: ...ck if your station meets this criterion press the RAIN button on the console If when set to inches the display reads 0 0 rather than 0 00 you have an older model station Standard Setting When using the 0 01 setting of the Rain Collector II with an older model station note that the station is pre calibrated for an earlier model 0 1 rain collector To re calibrate your station first set the display t...

Page 11: ...ng appears intermittently on the display as you jiggle the cable the connection is faulty Make sure there is no magnetic steel or iron object near the rain collector Make sure the funnel hole in the cone is clear so water can empty into the bucket Make sure the bucket moves freely when tipping to both sides The console should show an increase in rainfall for each tip of the bucket If the bucket do...

Page 12: ...0 732 7814 Monday Friday 7 00 a m 5 30 p m Pacific Time Sorry we are unable to accept collect calls 510 670 0589 fax Technical Support support davisnet com E mail to Technical Support info davisnet com General e mail www davisnet com Davis Instruments web site See the Weather Support section for copies of user manuals product specifications application notes and information on software updates Wat...

Page 13: ... consoles Weather Monitor Wizard Range Daily Rainfall 0 00 to 99 99 0 0 mm to 999 8 mm Total Rainfall 0 00 to 99 99 0 0 mm to 9999 mm Accuracy Rainfall 4 1 rainfall count between 0 01 and 2 00 per hour 0 2 mm and 50 0 mm per hour 5 1 rainfall count between 2 00 and 4 00 per hour 50 0 mm and 100 0 mm per hour Resolution 0 01 0 2 mm Sample and Display Update Interval 16 seconds max WeatherLink Data ...

Page 14: ...Extending Cable Runs 14 Notes ...

Page 15: ...Extending Cable Runs 15 Notes ...

Page 16: ... This product complies with the essential protection requirements of the EC EMC Directive 89 336 EC Copyright 2004 Davis Instruments Corp All rights reserved 3465 Diablo Avenue Hayward CA 94545 2778 U S A 510 732 9229 Fax 510 732 9188 E mail info davisnet com www davisnet com Notes ...

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