Product Manual

SAFETY, CARE, AND HANDLING

Caution

Use of controls or adjustments or performance of procedures other than those

speciﬁed herein may result in hazardous radiation exposure.

There is a purge screw inside the battery cavity, under a black decal. DO NOT OPEN!

If this screw is removed, the moisture-free nitrogen purge of the unit will be lost.

Service

To avoid possible exposure to radiation in excess of acceptable emission limits, all repairs

requiring the opening of the sealed laser case must be performed by the manufacturer or its

authorized representative.

Limits of Use

CE-marking (European regulation):

The instrument, including accessories, complies with the regulations of permission for low

voltage and electromagnetic compatibility.

Attention: This instrument contains lithium-ion batteries. Lithium-ion batteries must be recycled

or disposed properly.

Danger: The use in an aggressive or explosive environment (especially gas bearing

pipes) is strictly prohibited.

Warning: Never short circuit the battery contacts with any metal parts or hold the

battery under water. In case of a short circuit the battery can get extremely hot and

there is a risk of injury and ﬁre.

Warning: Never try to charge the battery with chargers that are not supplied from the

manufacturer.

Care and Handling

1. The GradeLight is a precision instrument that must be handled with care. Avoid shock

and vibrations.

2. After use, it’s recommended that you wipe the laser dry and store in a dry place.

Do not store the laser in its case if the laser or the case are wet.

3. Remove the battery from the product for storage.

4. Do not store the laser at temperatures below -40° F (-40° C) or above 140° F (+60° C).

5. To maintain the precision of your laser, check accuracy regularly and adjust

if necessary.

6. Use a soft cloth, moistened if necessary, to clean the LCD and the window on the laser

for the beam output and remote reception. Do not clean plastic windows or painted

surfaces with acetone.