Road Surface Condition Detector
Just how bad is the road that my truck is on?
Hummingbird Electronics manufactures a range of road type or condition detectors. The detectors measure the the vibration experienced by a vehicle as a result of different road surfaces and road conditions and trigger an output when the road surface deteriorates to a preset level. An continuously updated qualatitive road surface condition output is also provided.
Road surface condition detector
Powerful Performance
Road surface detectors measure vibration using highly sensitive accelerometers. Vibration is measured in three dimensions (left/right, forward/back and up/down), so that the sensor can be mounted in any physical orientation to the vehicle and work equally well. An overall vibration as experienced by the vehicle is calculated and used to determine the condition of the road surface every 4 seconds. Complex signal processing techniques remove accelerations due to speed increases, braking and cornering.
A screw adjustable setpoint allows for a threshold to be set between 0 and 0.5G. When average vibration as measured over a 4 second period exceeds the setpoint, an output is triggered. Typically the output would be used to drive a sounder or would be an input to a vehicle management system.
A red power-on LED and a green trigger-on LED are provided to assist in installation.
Rugged Hardware
Road condition detectors are supplied in a rugged ABS plastic enclosure. All sensitive exectronics are coated with a silicon compound to prevent water damage.
Provision for screw mounting when required is provided.
Power to the unit and pulse outputs are provided through four colour coded wires.
Download Documentation
Warranty policy and procudures 
Related products
Electrical Characteristics
- Input voltage: 6V to 36V
- Power consumption: 80mW (7mA at 12V)
- Trigger output: Trigger-on: Vin-1; Trigger off: less than 20mV; maximum current: 25mA
- G-level voltage setting: Minimum, 0V; maximum 5V (0-100% duty cycle 244Hz 5V amplitude)
Typical road measurements
Physical Characteristics
- 50mm (L), 67mm (W), 21mm (H)
Environmental Specifications
- Operating temperature: -40oC to +85oC
- Storage temperature: -55oC to +105oC
- Humidity: 5% to 95% R.H. non condensing at 60oC
Interface Specifications
Power and pulse output:
- Red: input voltage (6V to 35V)
- Black: ground (0V)
- Green: DC setpoint / current condition
- Blue: trigger output
Pricing in AUS$
| Part Number | Description | Price | Buy Now |
|---|---|---|---|
| HMRD05000 | Road Surface Condition Detector | $186.34 |
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