Product Number: 7852
Part Number: 07395.275
Rain Collector II
Rev A (1/24/12)
This product complies with the essential protection requirements of the EC EMC Directive 2004/108/EC.
Copyright © 2012 Davis Instruments Corp. All rights reserved. Davis Instruments Quality Management
System is ISO 9001 certified. Information in this document is subject to change without notice.
3465 Diablo Avenue, Hayward, CA 94545-2778 U.S.A.
510-732-9229 • Fax: 510-732-9188
E-mail: [email protected] • www.davisnet.com
®
Contacting Davis Technical Support
If you have any questions, or encounter problems installing or operating your Vantage Pro2
weather station, please contact Davis Technical Support. We’ll be glad to help.
(510) 732-7814
— Monday - Friday, 7:00 a.m. - 5:30 p.m. Pacific Time.
(510) 670-0589
— Technical Support FAX.
— E-mail to Technical Support.
— 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 soft-
ware updates. Watch for FAQs and other updates.
Specifications
Sensor Type. . . . . . . . . . . . . . . . . . . . . . Tipping bucket with magnetic reed switch
Output . . . . . . . . . . . . . . . . . . . . . . . . . . Contact closure
Attached Cable Length . . . . . . . . . . . . . 40’ (12 m)
Cable Type. . . . . . . . . . . . . . . . . . . . . . . 4-conductor, 26 AWG
Connector . . . . . . . . . . . . . . . . . . . . . . . Modular connector (RJ-11)
Recommended Max.Cable Length . . . . 900’ (270 m)
Housing Material . . . . . . . . . . . . . . . . . . UV-stabilized ABS plastic
Dimensions
Rain Collector . . . . . . . . . . . . . . . . . . . . 8.75" diameter x 9.5" high
(16.5 cm diameter x 24 cm high)
Collection Area. . . . . . . . . . . . . . . . . . . . 33.2 in
2
(214 cm
2
)
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 lbs. 3 oz. (1 kg)
Range
Daily Rainfall . . . . . . . . . . . . . . . . . . . 0.00” to 99.99” (0.0 mm to 999.8 mm)
Total Rainfall . . . . . . . . . . . . . . . . . . . 0.00” to 199.99” (0.0 mm to 6553 mm)
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . For rain rates up to 2"/hr (50 mm/hr): ±4% of total
or +0.01” (0.2mm) (0.01" = one tip of the bucket),
whichever is greater. For rain rates from 2"/hr (50
mm/hr) to 4"/hr (100 mm/hr): ±5% of total or +0.01”
(0.2mm) (0.01" = one tip of the bucket), whichever
is greater.
Resolution . . . . . . . . . . . . . . . . . . . . . . . 0.01” or 0.1 mm
Update Interval. . . . . . . . . . . . . . . . . . . . 20-24 seconds
Input/Output Connections
Red . . . . . . . . . . . . . . . . . . . . . . . . . . Switch terminal
Green & Yellow . . . . . . . . . . . . . . . . . .Switch terminal
