CS25 25mm Optical Shutter

Part Number: CS25S1T0

Option

– Driver Compatibility

– Housing

– Blade Option

– Electronic Sync.

– Connector

– For use in Vacuum

– Mount

Key Features

-25mm aperture

-Uni-stable operation

-Slim, small form-factor

-501A-S7 adapter included

-RoHS Compliant

-Transfer time on opening: 13.0 milliseconds

-Total opening time: 17.0 milliseconds

-Configured for the VCM-D1 Shutter Driver

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Overview

The Uniblitz CS25 has been designed to provide accurate, repeatable exposures for a wide variety of applications including microscopy, video imaging, and more. The slim form-factor provides a 25mm aperture that can be inserted into a 2.37 inch diameter housing. The CS25 is available in a housed or an un-housed configuration for OEM applications (or simply where spatial limitations are a consideration).

Uni-stable shutter devices, like the CS25, require power to hold the blades in the open state.

A normally open configuration of this device is available by special order. Please contact us for more information.

Specifications

For additional technical information please see the CS25 Optical Shutter Datasheet.

Coil Resistance	Pulse Voltage to Open	Hold Voltage 1(Nominal)
12 OHMS	+65 VDC	+5 VDC

Weight Unhoused	Weight Housed	Operating Temp.	Max. Opening Bounce	Max. Closing Bounce	Max. Freq. of Operation 2	Number of Shutter Blades
1.28 oz (0.04 kg)	3.16 oz (0.09 kg)	0 – 80 °C	15%	5%	5.0 Hz / 30.0 Hz	5

1 Voltage level required across actuator coil when being held in the open position.
2 (Continuous/Burst) Continuous frequency rating specified at shutter’s minimum exposure pulse. Burst frequency rating specified for four (4) seconds maximum with one (1) minute minimum between bursts.

Electronic Synchronization System

The electronic synchronization system provides a feedback signal (through the driver utilized) after the shutter transfers to the open state. The system incorporates an infrared emitting diode, an infrared sensitive detecting transistor, and an interrupting vane. The vane is attached to the shutter so as to block the light path between the emitter and detector in the closed position. When the shutter transfers to the 80% open position, the vane is removed from the infrared light path, allowing the emitter to switch the detector to the active state. For the CS25, this system uses a similar activation flag attached to the mechanism, which triggers a reflective emitter/detector device. No connection to the designated synchronization pins when no electronic sync. is selected.

Shutter Timing

The question regarding enhancement of shutter speed with the application of user supplied lubricants has been repeatedly asked. It is our experience that lubricating the shutter blades will actually slow the shutter down and eventually render the shutter inoperable. Under no circumstances should any type of lubricant be applied to the shutter blade area.

CS25 (w/ VCM-D1 and Teflon® coated blades)		Time (msec.)
0-A:	Delay time on opening after current is applied	3.0
A-C:	Transfer time on opening	9.0
0-C:	Total opening time	12.0
C-E:	Min. dwell time with min. input pulse	6.0
B-F:	Min. equivalent exp. time	17.5
E-G:	Transfer time on closing	14.0
A-G:	Total window time	29.0
MET:	Min. exposure time	15.0
TEP:	Typical exposure pulse	>15.0