Ag Express Electronics: GVS Ground Speed Sensor

Patent Pending

The Ag Express GVS is a GPS based velocity sensor that produces true ground speed pulses to equipment designed to interface with radar or wheel speed sensors. The GVS can be quickly transferred from vehicle to vehicle, provides high accuracy, and is easy to install and use. Simply attach the connector to your monitor/control equipment, perform the same calibration you would use for other pulse sensors and you’re ready to go.

No subscription required!

Physical Specifications

· UV stable polycarbonate enclosure
· Connector as specified by customer
· Pin 1 Ground, Pin 2 Signal, Pin 3 & 4 Power
· Standard Cable length 15 feet
· Power 4.8 to 16 Volts, 0.1Amps max.
· Backup Battery CR2032 Lithium Coin
· Physical Size 3.50” x 2.14”
· Operating Temp.-40°C to +65°C (-40°F to +149°F)
· Storage Temp. -40°C to +80°C (-40°F to +176°F)

Humidity 100% Condensing

Standard Features

· Completely self-contained (GPS receiver, antenna, and velocity to pulses converter)
· 16 Channel WAAS enabled GPS receiver
· 7 updates per second for high precision speed
· 58.94 Pulses per MPH, (other rates available contact Ag Express)
· 0.1MPH accuracy from 0.5 to 50 MPH
· Magnetic mount for ease of installation & transfer
· Diagnostic LED’s on cable to verify operation
· Different connectors available for various applications

Cables available to run multiple monitors/controls

Performance Specifications

Velocity Accuracy 0.1MPH
GPS Update Rate 7 Hz (7 updates/second)
Backup Battery Life > 3 years

Acquisition Rate

Cold Start < 45 seconds
Warm Start < 33 seconds
Hot Start < 20 seconds

More information available on the brochure.

GVS Brochure
(58k pdf file)

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