Speedometer Calibrator

True speed, no matter what you've done to your vehicle

Hummingbird's Speedometer Calibrator corrects signals from both hall-effect and inductive speed sensors, compensating for both manufacturer and user induced errors.

Electronic systems in vehicles, require accurate speed information to operate correctly. Hummingbird's simple to install Speedometer Calibrator corrects for common sources of error and provides accurate speed without having to change the mechanics of the vehicle.

speedometer calibrator - not to scale

True speed no matter what you've done to your vehicle

Powerful Performance

Designed for harsh automotive environments, the module features transient voltage protection on the supply and short circuit protected outputs. The unit is designed to work from 6V to 30V and so is suitable for use in motorcycles, cars and trucks.

Common sources of speed error include:

2% to 10% error direct from the manufacturer
Change of wheel or tyre size
Gearing changes: sprockets, differentials etc.
Replacement of gearbox, engine or differential
Instrument cluster / speedo faceplate change

The Speedometer Calibrator is able to compensate for signal errors by dividing the input signal down to as low as 1/8th and up to as high as 8 times in 0.1% increments.

Level sensing technology means that a single unit can be used with both hall-effect and inductive speed sensors. Signal duplication technology means that the amplitude of the input signal is replicated on the output resulting in more reliable operation in more vehicles.

Benefits of a calibrated speedo:

Know how fast you really are going
Road legal after customisation
Odometer won't show more kilometers than you actually have driven
Accurate fuel consumption figures

Download Documentation

Download pdf brochure

Warranty policy and procudures

Electrical Characteristics

Pulse per Kilometer range (1000 to 40000)
Adjustable range: 12.5% though 800% in 0.1% increments
Adjustment precision: 0.1% - via multi-turn potentiometer
Input voltage: 6V to 30V
Power consumption: 240mW, 20mA at 12V; 480mW, 20mA at 24V
Input pulse amplitude: min 250mV
Output signal (hall effect mode): 0/5V in 5V mode; 0/Vin in Vin mode; maximum 25mA drain
Output signal (inductive mode) : ±2.5V in 5V mode; ±Vin/2 in Vin mode; maximum 10mA drain

Interface Specifications

All units:

Red: input voltage (6V to 30V)
Black: ground (0V)
Yellow: pulse in
Green: pulse out

inductive and hall effect sensors can be used

Example – inductive in, inductive out, divide by 4

Physical Characterisics

Size: 35mm (L), 52mm (W), 21mm (H)

Pricing in AUS$

Part Number	Description	Price	Buy Now
HMSC8000C	Speedo Calibrator	$92.50

Not what you are looking for?

Not all of our products are shown on our web site - please contact us for further information

+61 (0)2 8006 2121

info@hummingbirdelectronics.com.au