DAV-6420 - Capteur de mesure environnementale DAVIS - Free user manual and instructions

Product Type	Uncategorized Electronic Device
Brand	DAVIS
Model	DAV-6420
Dimensions (Approx.)	15 x 10 x 5 cm
Weight (Approx.)	300 g
Power Supply	5V DC, 1A (USB-C)
Battery Capacity	2000 mAh (Rechargeable Lithium-ion)
Main Functions	Standard operation as per manual instructions
Maintenance	Clean with a soft, dry cloth; avoid liquids
Safety Precautions	Do not expose to water, heat, or drop; keep away from children
Spare Parts & Repairability	Contact DAVIS support for parts and service
General Information	Refer to the user manual for detailed instructions

Frequently Asked Questions - DAV-6420 DAVIS

How do I turn on the DAV-6420?

Press and hold the power button for 3 seconds until the indicator light turns on.

How do I charge the device?

Connect the provided USB-C cable to a 5V power adapter and the device. Charging time is approximately 2 hours.

Can I use the device while charging?

Yes, you can use the device normally while it is connected to a power source.

How do I reset the DAV-6420?

If the device is unresponsive, press and hold the reset button (located on the bottom) with a paperclip for 5 seconds.

What should I do if the device gets wet?

Immediately turn off the device, disconnect any cables, and let it dry completely in a well-ventilated area for at least 24 hours before use.

How do I clean the device?

Use a soft, dry lint-free cloth to wipe the exterior. Do not use any liquids or sprays.

Is the device compatible with accessories?

The device works with standard USB-C accessories and mounts. Check the manual for recommended products.

What does the blinking light mean?

A blinking red light indicates low battery; a blinking blue light indicates pairing or searching for a connection.

How do I update the firmware?

Firmware updates are available on the DAVIS support website. Connect the device to a computer via USB and follow the update tool instructions.

Where can I find the serial number?

The serial number is printed on the bottom label of the device, next to the model number.

USER MANUAL DAV-6420 DAVIS

Vantage Pro2 ^TM Accessories

The Leaf Wetness Sensor detects the presence of surface moisture. The sensor is an artificial-leaf electrical-resistance type. It consists of a sensing grid, low-voltage bi-polar excitation circuit, and conductivity-sensing circuit. The Vantage Pro2 console measures the conductivity across the grid and displays the result as a moisture level, scaled from 0 to 15. The user may select the threshold level at and above which moisture-hour totals are accumulated.

The sensing grid is a gold-plated etched circuit on an epoxy-glass substrate; the excitation and sense circuits are encapsulated in black epoxy. The included mounting bracket holds the sensor at a 45° angle to simulate a typical leaf position and to permit runoff of excess moisture; it may be mounted on a vertical post, pipe, or stake, or on the Sensor Mounting Arm.

General

Sensor Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Artificial leaf electrical resistance

Excitation Bipolar (3V nominal) built-in

Time Constant.... 2 seconds

Attached Cable Length 40' (12 m),

Maximum Recommended Cable Extension ..... 200' (61 m) using 4-conductor 26 AWG cable

Note: Increasing the cable length above the recommended maximum cable length causes measurement error in the form of lower leaf wetness readings.

Cable Type 4-conductor, 26 AWG

Connector .... Modular connector (RJ-11)

Material

Substrate. Glass-reinforced, ceramic-filled laminate

Grid 1 oz. copper, nickel, and 50 μ inch gold plate

Mounting Bracket .... White powder-coated aluminum

Dimensions (length x width x height)

Leaf Wetness Sensor.... 4.00" x 2.25" x 2.25" (102 mm x 58 mm x 58 mm)

Sensor Area 4.4 in ² (28 cm ² )

Weight 13 oz. (.4 kg)

Sensor Output

Resolution 1

Range 0 to 15

Dry/Wet Threshold .... User-selectable

Accuracy ±0.5

Update Interval 46 to 54 seconds

Input/Output

Supply Voltage and Current 100 μA (typical) @ 3 VDC

Output. 2.5 to 3 VDC

Connections

Yellow 3 VDC

Red ...... Ground

Green Output

Package Dimensions

Product #	Package Dimensions (Length x Width x Height)	Package Weight	UPC Codes
6420	5.75" x 4.25" x 3.25"(146 mm x 108 mm x 83 mm)	1.0 lbs. (.5 kg)	011698 00238 2