Gossen Mavomonitor Instrukcja Użytkownika Pobierz pdf (Strona 13)

GOSSEN Foto- und Lichtmeßtechnik 13

Close-up Lenses

The MAVO-SPOT with the included protective filter

attached to the lens permits measuring from a dis-

tance of 1 m to ∞.

For shorter distances two different close-up lenses

are available as optional accessories. The close-

up lens 1 reduces the measuring distance to

approx. 51 cm to 1 m. Lens no. 2 permits reducing

the measuring distance to approx. 34 to 51 cm.

Please note that one of the close-up lenses or

the protective filter must be mounted to the

lens.

Ever-ready Case and Transport Case

An ever-ready case is included with the MAVO-

SPOT where also the protective filter and one

close-up lens can be placed.

As an optional accessory a sturdy transport and

storage case for the combined set comprising both

the MAVO-SPOT and the MAVO-MONITOR and

also for two close-up lenses and two spare batter-

ies is available.

11 Maintenance

11.1 Calibration Service

The instruments are calibrated at the light of

a scientific standard lamp having a colour

temperature of 2856 K, fully in accordance with

the PTB standard.

Depending on how the instrument is being used

we recommend a recalibration interval between

12 and 18 months.

For this purpose please contact our

Calibration Service Department

(telephone +49 911 8602 172).

11.2 Cleaning and Maintenance

Keep the instrument dry and clean, away from

dust and with the protective cover placed on the

lens.

Please use a slightly damp cloth only for cleaning

the plastic surfaces; avoid the use of cleaning

agents or other strong chemicals. The lenses

should be cleaned either with a special cloth or

brushes as used for optics.

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