Portatree Photocell & Reflector Operating instructions

Brand: Portatree

Model: Photocell & Reflector

Type: Operating instructions

BRACKET AND SUPPORT

INFORMATION FOR PHOTOCELLS

AND REFLECTORS FOR SNOWMOBILE

RACING

The Photo Cells for the sport of snowmobile racing should be set up as follows:

Height -- Start E.T./Guard Beams 15 inches high

All other locations 12 inches high

PRESTAGE - - STAGE - - GUARD SPACING

7 Inches between Prestage and Stage (if using 3 beams)

15-24 Inches between Stage and Guard beam

**We recommend 15 inches between stage (prestage) and start E.T. (stage)**

The reflector type infrared photo cells should be mounted on rigid supports so that

they will not be affected by the wind or melting ice and snow. Even though they have an

ample deflection angle to avoid misalignment problems, it is best to avoid the problem

before it happens. Usually misalignment happens when the detector is on the edge of the

target. Read alignment procedures to prevent this problem.

The reflectors should be mounted in the center of a 12-inch piece of plywood that

is painted flat black. The reflector can be shielded from direct sunlight by a small coffee

can that is mounted on the plywood first and the reflector is located at the bottom of the

can. Make sure the can is painted flat black. The detector can be shielded from direct

sunlight by locating a hood over it. This can be made from a piece of PVC pipe split

down the length of the pipe. Reflectors should also be mounted very rigid.

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Portatree Photocell & Reflector Operating instructions

Brand: Portatree

Model: Photocell & Reflector

Type: Operating instructions

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Portatree Photocell & Reflector Operating instructions

Portatree Photocell & Reflector Operating instructions

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