General-tools-and-instruments LT2234C Uživatelský manuál stáhnout pdf (Strana 6)

SETUP INSTRUCTIONS

INSTALL BATTERIES

Install the three “AAA” batteries that came with the instru-

ment in its battery compartment. To open the compartment,

remove the Phillips head screw holding its cover (callout

1-6) in place and slide it away. When installing the batteries,

use the + and – marks stenciled inside the battery compart-

ment to position them correctly.

OPERATING INSTRUCTIONS

MAKING RPM MEASUREMENTS

To measure the rotational speed of a motor/generator shaft:

1. Identify the target. Determine whether there is a larger

surface to measure than the shaft itself. If some thing with

a larger diameter (for example, a fan or a wheel of any

type) is attached to the shaft, use any flat part of its surface

as the measurement target instead.

2. Prepare the target. Either unplug the generator/motor or

make sure that it cannot be turned on remotely or turn on

automatically. Scrape the target area clean enough so a

piece of tape will stick to it. If the target area is naturally

reflective, cover it with black tape or paint.

3. Attach reflective tape to the target. Cut a 1/2 in. square

piece of reflective tape, remove its backing, and apply it to

the target area.

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General-tools-and-instruments LT2234C Uživatelský manuál Strana 6