1  Positioning the instrument

1.1  Preface

Balances with resolutions 0.1mg and 0.01mg are instruments of high sensitivity and    precision. To achieve reliable and accurate results it is fundamental to install the         instrument in a suitable environment to meet the requirements necessary to ensure its proper functioning.

1.2  Place recommended to install the instrument

Choose of the correct placement of the instrument is fundamental to ensure optimal and precise operations.

For optimum weighing it is necessary to respect the following criteria:

- TYPE OF ENVIRONMENT

   Place the balance in a corner of the room to minimize vibrations.

   Place the balance in a secluded location: not put it near doors to prevent air

drafts.

   Avoid places with many persons: every person who is close generates a draft of

air.

    Protect the balance from an air conditioner or ventilation fans and other electronic

devices with fans (eg. Computer or other laboratory instruments).

    Keep the room temperature as constant as possible, at a value between 15 and

30 ° C. You must use a conditioner (but leave the speed of the fan to a minimum to avoid eccesive air drafts).

    Keep the humidity where balance is used as constant as possible, it should be

between 40% and 65% of moisture.

    Place the balance away from heat sources, eg heaters, light bulbs (use tubular

lamps), windows (the warmth of the sun's rays can filter out the window and may affect the weighing result).

- TYPE TABLE

    The table must be stable: must not sag during lean of the instrument (eg.

Laboratory bench or marble / granite counter top).

    Must be as anti-magnetic and anti-static as possible.

    Must be reserved to the balance.

    Place the balance as close as possible to the table legs because there are less

vibrations rathern than in the middle of the table.