DIM and PULSE options for the SFA

We offer two optional enhancements for the Model SFA Stereo Microscope Fluorescence Adapter. These are available either as a retrofit or as an add-on to a new system purchase.

– DIM – Replaces the OFF/ON switch with an OFF/ON/DIM switch. This enables you to vary the excitation intensity.

– PULSE – Adds a BNC connector on the rear of the light base that accepts a voltage signal to control the excitation source ON/OFF.

Note – only one or the other of the options can be added to a particular base unit.

REF: SFA-D Categories: NIGHTSEA - fluorescence, NIGHTSEA accessories Brand: NIGHTSEA

Available Options:

Description

Details – DIM Option


Dimmer switch option on SFA	Target at max and min excitation

The DIM option adds a combined switch and dimmer control. When you first turn the unit on it is at full power. As you rotate the switch the intensity decreases, reaching ~30% at the minimum setting. You have finer control in the brighter portion of the adjustment range. An intensity indicator (1 – 10) makes it easy to record and repeat preferred settings.

Why might you want to use a dimming control? Read the article.

Details – PULSE Option

The PULSE option adds a BNC connector on the rear of the base that accepts a user-supplied voltage input from a computer, function generator, or the like to turn the light on and off. Some possible applications:
– External control for precise illumination timing for photoactivation, behavioral experiments, …
– Light dimming by PWM (pulse width modulation) – read more
– Add a footswitch for hands-free operation – contact NIGHTSEA for details

Specifications:
– Voltage level: 2.8 – 6.0 VDC for ON, <0.6VDC OFF
– Maximum input frequency: 200Hz
– BNC cable not included

Additional information

Unit	each

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