The Helius Odometer is a precision odometer specifically designed for time-speed-distance (TSD) and performance rally sport.

 

 

The Helius Odometer emphasizes

 

	Large, bright displays for clear viewing under all conditions
	Simple one-button operation for quick, error-free action
	Robust construction

 

Specifically, the odometer features

 

	A precision of 1 m and a range of 1000 km
	Typical calibration accuracy of 2.5 m per 100 km
	On-the-fly 1m and 10m odometer nudge adjustments
	Reset, count down, hold, and freeze options
	Operates in either kilometers or miles
	Compatible with Terratrip, Brantz, & Alfa probes
	Numeric velocity based on the calibration
	A large, bright 5 digit odometer display
	A large, bright 3 digit velocity display

 

The Helius Odometer is permitted in most rally classes, including Calculator, Novice, and Historic classes.

 

Download the Fact Sheet or the latest User Manual.

	Improved ease of calibration factor input
	Improved buttons with metal shank
	Added reset pedal capability

The Helius Odometer has been used in rallies across North America, from coast to coast, in all seasons.

 

View Helius Odometer owner comments and photos:

 

	Peter Parsonage recounting his 2002 BC TSD Rally Championship victory
	Casey Holzman in the 2004 Targa Newfoundland
	Richard Lynch in Checkpoint and Commute (*)
	Shawn Edstrom and Geoff Gauthier in the Thunderbird Rally 2005 (*)
	Helius Odometer on TV, January 2005 (video), Courtesy of Brian Carriere
	Helius Odometer Across North America

 

(*) Includes Sensor & Odometer Mounting Photos

The Helius Odometer is very user friendly.  The following details illustrate the odometer operation.

 

Modes

 

The Helius Odometer has six modes:

 

1. odometer

2. pulse count

3. calibration

4. silent mode

 

The pulse count and calibration modes allow you to compensate for current tire size and pressure prior to each event.

 

Calibration

 

Calibration of the odometer is performed as follows:

 

1. Press RESET in odometer mode

2. Precisely drive a known length of road

3. Note the number of pulses received in pulse mode

4. Divide the distance traveled by the number of pulses received

5. Enter the distance traveled per pulse, in hundredths of a millimeter, in calibration mode

 

Calibration Example:

 

We recommend driving no less than 1 km, but longer lengths, such as 20 km, make for a more accurate calibration. Suppose we know a length of road that is 7.5 km in length. We drive to the start of the road, and then press RESET in pulse mode, which zeros the odometer and pulse count. After driving the marked section of road as accurately as possible, and stopping precisely at the end, we see in pulse mode that 19108 pulses were received. Our calibration factor is the distance traveled per pulse, or

 

    7.5 km / 19108 pulses = 0.39251 m per pulse = 392.51 mm per pulse

 

which we enter in the calibration mode. In odometer mode, we press RESET again and are now set to go!

 

Example in Miles:

 

    10 miles / 20380 pulses = 490.68  * 10^-6 miles per pulse

 

Mounting

 

The Helius Odometer is only 17cm x 9cm x 4cm in size and approximately 300g in weight, and is therefore easily mounted.  You can mount the odometer using a variety of techniques, from employing strips of industrial strength Velcroä to fashioning a custom bracket mount.

 

Installation

 

Installation instructions are included with your Helius Odometer.  You may perform the installation yourself, or have any automotive shop help.

Three connections are required (shown below):

 

	Power (+12V, the positive side of your battery)
	Ground (0V, the negative side of your battery)
	Odometer signal input

 

 

Power and ground are easily accessed from many places within your vehicle.  The odometer signal may be accessed in many different ways.  Popular approaches include

 

	tapping directly in to your vehicle's electrical system by following schematic diagrams, and connecting the signals directly to the odometer (this approach works for many, though not all, vehicles).
	connecting a sensor to your mechanical speedometer line, if you have one (Terratrip, Brantz).
	installing a hall-effect or switch style wheel-driven accessory sensor (Terratrip, Brantz, Alfa, bicycle, etc.).

 

Please contact us for more probe installation details.

Equipment

 

Description	Price (Canadian)*
The Helius Odometer	$315**
Standard Wheel Probe	$60
Remote Reset Pedal	$35
Odometer + Probe + Reset	$395

 

* There is no tax on this equipment.

** Discounts may be available.

 

Shipping & Handling

 

Shipping Destination	Service	Price (Canadian)*
Canada	Xpresspost	$21
USA	Xpresspost USA	$29
Europe, Asia, S. America	Contact Us	Contact Us

(click banner for higher resolution print version)

 

We sponsor an extensive list of rally clubs.

 

	Contact us or your club's executive to determine if your club has arranged a sponsorship discount
	If your club or organization has not yet put a sponsorship arrangement in place, it can be as simple as displaying our banner (an example is shown above) on your website and in routebooks, rulebooks, and new member welcome packages

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