Rite Life Sensitometer 394 User Manual download pdf (Page 18)

Selecting Single or Dual

Exposure (394 only)

Depending on the type of film that is to be exposed, the

sensitometer can have either single sided or double-

sided exposure selected.

If the film to be exposed is a single emulsion type, slide

the exposure switch to the “SINGLE” position and

expose Emulsion Side Down. Expose double emulsion

type films in the “DUAL” switch position.

Adjusting Exposure Setting (393)

The sensitometer has the capability of seven different

exposure times for both blue and green. The factory

preset exposure setting is #3. If different exposure times

are required, refer to the chart on the next page—or

bottom of unit—for the settings. Each exposure setting

will move the speed index on the film one step.

The dipswitch used to change the exposure time is

located on the bottom of the unit. When the blue color

is selected, switches A,B,C,D bracketed as blue are

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Rite Life Sensitometer 394 User Manual Page 18