Heiland Densitometer Changeable Aperture Set

Item: 39117
Set of four alternative apertures for use with TRD-2 or TRD-Z
Available (allow 5 days for delivery)
Item: 39117
Set of four alternative apertures for use with TRD-2 or TRD-Z
Available (allow 5 days for delivery)
This option allows you to change the apertures for transmission measurement when using either of the Heiland Densitometers.
The kit includes four apertures with a diameter of 0.5 - 1 - 2 and 3 mm. They are framed in an opal acrylic glass panel with a diameter of 28 mm.
To check the size used, you can activate the measurement lever and the measuring light will illuminate the aperture surround.