User`s manual

Product Numbers: 6361

Davis Instruments Part Number: 7395.145

Wireless Soil Moisture/ Temperature Station

(Rev A, 11/13/01)

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

The WATERMARK soil moisture sensor is a product of Irrometer Company, Inc.

3465 Diablo Avenue, Hayward, CA 94545-2778

510-732-9229 • Fax: 510-732-9188

E-mail: info@davisnet.com • www.davisnet.com

FCC Part 15 Class B Registration Warning

This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to

Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful inter-

ference in a residential installation. This equipment generates, uses and can radiate radio frequency energy

and, if not installed and used in accordance with the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television reception, which can be determined

by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more

of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

Changes or modifications not expressly approved in writing by Davis Instruments may void the user's

authority to operate this equipment.

Specifications

• Soil Moisture range: 0 to 200 centibars

• Temperature range (Station & Temp Probe): –40 to 140° Fahrenheit (–40

to 60° Celsius)

• Temperature range (Soil Moisture Sensor): 32 to 105° Fahrenheit (0 to 40°

Celsius)

• Primary power input: Solar power – Davis solar charger

• Secondary (backup) power: CR-123A 3-volt lithium battery

• Wireless transmission frequency: 916.5 MHz

• 868.35 MHz for overseas version – Product # includes “OV”

• Transmitter ID codes: 8 user-selectable

• License: low power (less than 1 mW), no license required