• 62-40 FOREST AVE, 2nd FLOOR, RIDGEWOOD, NY 11385 • TEL: (718) 456-6000 • FAX: (718) 456-6050 • www.EOPC.com P.O. BOX 650441 FRESH MEADOWS, NY 11365

ULTRA LOW VIBRATION OPTICAL SHUTTERS / LOW FREQUENCY CHOPPERS

		SH-65  DESCRIPTION CAD DRAWINGS

FEATURES AND ADVANTAGES ULTRA LOW VIBRATION SHUTTER Aperture size: 0.65" (16mm) dia. boxed version aperture size: 0.56" (14mm) dia. No clicking or knocking noise (no hard stop) Does not create shock and vibration Response time: 10 mSec Can be used as a low frequency chopper Frequency response: DC to 25 Hz Can be stopped in the OPEN or CLOSE position Long life: 100 million cycles min. Jitter free operation Dark blade, bright optional LOW COST Simple to operate Easy to integrate into OEM products Special OEM pricing Patented technology

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The low cost small size mechanical light shutter /chopper model SH-65 is an ULTRA-LOW VIBRATION device that does not create shock or vibrations when changing positions. It is useful when working on an optical table and is suitable to be part of an instrument or a system where a vibration free environment is needed. The shutter / chopper is easy to operate and is valuable when integrated into an OEM product. It is very cost effective in high volume.

The device consists of a 0.010" thick aluminum black anodized blade mounted on a motor with a limited rotation angle to fit a 0.65" (16mm) aperture. The blade is also available in a bright nickel plating finish. Other thicknesses and finishing types are available.
The total swing of the blade from one end position to the other end position is is 30 degrees.
Transition from one position to the other is 10 mSec total. Transition is smooth, no clicking noise, no hard stops, and with minimal shock or vibration.
The shutter can also be used as a low frequency optical chopper at frequencies from DC to 25Hz.

We offer the following models (custom and standard) for the SH-65 shutter:
SH-65 shutter is mounted on a frame that allows horizontal and vertical mounting
SH-65-M shutter comes with a mounting plate and allows horizontal and vertical mounting.
SH-65-MP shutter can be mounted directly on an optical table.
SH-65-B shutter is boxed in an aluminum box with a 0.56" (14mm) through hole.

SH-65:
SH-65 The shutter is mounted on a frame that allows horizontal and vertical mounting.



SH-65-M: SH-65-M The shutter comes with a mounting plate and allows horizontal and vertical mounting.



SH-65-MP:
SH-65-MP The shutter can be mounted directly on an optical table.



SH-65-B:
SH-65-B The shutter is boxed (in a box) with a 0.56" dia. (14mm) through hole for the light.


SPECIFICATIONS (When used with the DSH-65 Driver):
APERTURE SIZE:
SH-65, SH-65-M and SH-65-MP: 0.65" (16mm) dia.
SH-65-B boxed version aperture size: 0.56" (14mm) dia.
FREQUENCY RANGE: DC to 25Hz
RESPONSE TIME: 10 mSec, from an OPEN position to a CLOSE position, or vice-versa
FREQUENCY STABILITY: 0.1% internal clock; 0.005% with external crystal clock input (TTL input)
EXTERNAL INPUT: DC to 25Hz TTL level input; 5V or "OPEN" to open the shutter; 0V or "GND" to close the shutter
SETTLING TIME TO EXTERNAL TTL INPUT: 10 mSec
MONITOR OUTPUT: TTL level output:
"Hi" indicates that the shutter is open
"Lo" indicates that the shutter is close
OPERATING TEMPERATURE: 0-65 deg C

DSH-65 DRIVER is designed specially to control the model SH-65 shutter/chopper:
The following DSH-65 drivers are available:
- The DSH-65-PC, a printed circuit board level driver with components, which requires an external 15Vdc 150mA power supply (not included).
- The DSH-65-110, a boxed driver (5.3" x 5.3" x 2") with internal power supply, operating from a line voltage of 110 VAC.
- The DSH-65-110-BNC, a boxed driver (5.3" x 5.3" x 2") with internal power supply, operating from a line voltage of 110 Vac with a BNC connector for TTL input.
- The DSH-65-220, a boxed driver (5.3" x 5.3" x 2") with internal power supply, operating from a line voltage of 220 VAC.
- The DSH-65-220-BNC, a boxed driver (5.3" x 5.3" x 2") with internal power supply, operating from a line voltage of 220 Vac with a BNC connector for TTL input.
The DSH-65 has two modes of operation:
In the "internal" mode the SH-65 is used as an optical chopper. The chopping frequency is set by the internal oscillator and is adjustable from 0.5Hz to 25Hz.
In the "external" mode the SH-65 can be used as an optical shutter or as a chopper. A TTL input controls the blade position of the SH-65.
A "High" TTL input (5V) keeps the shutter open.
A "Low" TTL input (0V) keeps the shutter close.
The response time of the shutter to the TTL input is 10mSec. The maximum TTL input frequency is 25Hz.

DSH-65 CASED DRIVER

 

DSH-65-PC DRIVER HOOK UP DIAGRAM:

DSH-65 DRIVER CONFIGURATION:
EOPC offers drivers that enable the user to control the shutter with a TTL signal.
The following drivers are available:
Model DSH-65-PC: A board level driver with components which requires an external regulated 15Vdc power supply
Model DSH-65-110 or DSH-65-220: A cased driver, 5.3" x 5.3" x 2", Operating from a line voltage of 110Vac or from 220Vac
Model DSH-65-110-BNC or DSH-65-220-BNC: A cased driver, 5.3" x 5.3" x 2", Operating from a line voltage of 110Vac or from 220Vac with a BNC connector for TTL input

ORDERING INFORMATION:
Example 1: PART NO. SH-65 with DSH-65-220. This part number specifies the model SH-65 shutter, with a 0.010" thick aluminum blade. The driver is cased 5.3" x 5.3" x 2", operating from a line voltage of 220Vac.

Example 2: PART NO. SH-65-M with DSH-65-220-BNC. This part number specifies the model SH-65 shutter, with a 0.010" thick aluminum blade. The driver is cased 5.3" x 5.3" x 2", with a selector switch for operating from a line voltage of 220Vac, with a BNC connector for TTL input.

Example 3: PART NO. SH-65-MP-BRIGHT with DSH-65-110-BNC. This part number specifies the model SH-65 shutter, with a 0.010" thick aluminum blade. The driver is cased 5.3" x 5.3" x 2", operating from a line voltage of 110Vac with a BNC connector for TTL input.

Example 4: PART NO. SH-65-B with DSH-65-220-BNC. This part number specifies the model SH-65 shutter, with a 0.010" thick aluminum black anodized blade, in a box with a 0.56" (14mm) through hole. The driver is cased 5.3" x 5.3" x 2", operating from a line voltage of 220Vac with a BNC connector for TTL input.

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