Alpha 1000 Uživatelský manuál stáhnout pdf (Strana 12)

Figure-7 Bulb View of the Alpha-1000

Lamp Adjustment

The position of your lamp has been factory adjusted to its optimal setting. Follow

these steps below for adjusting the lamp position. These steps should NOT be

needed! Unfortunately, one should COMPLETELY close the light chamber

between adjustment settings attempts. The bulb is driven by high voltage. Plus,

the light output is blinding and will cause eye damage if directly viewed with the

unprotected eye.

1. Loosen the screw on the lamp panel to reveal the light bulb within the lamp

housing.

2. Make certain that the light bulb is fully inserted into its holder. The bulb socket

has been permanently mounted in the optimal position by the factory. So the

rest of steps should not be needed!

3. The lamp socket is mounted on an “L”-shaped bracket. This bracket is held in

place by 2 screws. Slightly loosen the 2 screws such that you may move the

bracket a little. You should then re-tighten the screws, completely. Close the

lamp chamber and then power up. Set your spectrophotometer to %T. Continue

to adjust the bracket position so that you reach the optimum transmittance

reading.

Tip: Don’t loosen the screws too much as you adjust the bracket. Very small

movements are desired. Small movements are required to help lessen the

chance of missing the optimum positioning.

Caution

Bulb can be

VERY HOT

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Alpha 1000 Uživatelský manuál Strana 12