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Tuning Fork Choppers, Modulators, Shutters/Choppers and Choppers/Shutters

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FIXED FREQUENCY Resonant Choppers
Model No.
Model No. CH-10 CH-20 CH-25 CH-30
VARIABLE FREQUENCY Optical Choppers
Model No. CH-50 CH-60 CH-61 SH-35 SH-65 C-995
VARIABLE FREQUENCY OPTICAL SHUTTERS / CHOPPERS Mechanical Modulators
Model No. CH-50 CH-60 CH-61 SH-35 SH-65

SELECTING BY THE FREQUENCY:

SELECTING THE RIGHT RESONANT CHOPPER (ONE FIXED FREQUENCY) FOR YOUR APPLICATION BY THE FREQUENCY (Hz):
The following should serve as guide lines only:

5-100	200-1000	1000-6000
CH-10	CH-10	-
-	CH-20	CH-20
-	CH-25	-
CH-30	-	-

SELECTING THE RIGHT CHOPPER (VARIABLE FREQUENCY) FOR YOUR APPLICATION BY THE FREQUENCY (Hz):
The following should serve as guide lines only:

DC-12	10-30	30-50	50-5000
CH-50	-	-	-
CH-60	CH-60	CH-60	-
CH-61	CH-61	CH-61	-
CH-35	CH-35	CH-35	-
CH-65	CH-65	CH-65	-
C995	C995	C995	C995

SELECTING BY THE APERTURE:

SELECTING THE RIGHT RESONANT CHOPPER (ONE FIXED FREQUENCY) FOR YOUR APPLICATION BY THE APERTURE (mm / inch):
The following should serve as guide lines only:

0.6-2.5 (0.03-0.1)	2.5-10.2 (0.1-0.4)
CH-10	CH-10
CH-20	-
CH-25	-

SELECTING THE RIGHT CHOPPER (VARIABLE FREQUENCY) FOR YOUR APPLICATION BY THE APERTURE (mm / inch):
The following should serve as guide lines only:

6.3-11.4 (0.25-0.45)	15.0 (0.6)
CH-50	-
CH-60	-
CH-61	-
CH-35	-
CH-65	-
-	C995

SELECTING THE RIGHT CHOPPER FOR YOUR APPLICATION BY THE ENVIRONMENT:
The following should serve as guide lines only:

VACUUM	high temperature	cryogenic	MEETS MILITARY SPECIFICATIONS
CH-10	CH-10	CH-10	CH-10
CH-20	CH-20	CH-20	CH-20
CH-30	CH-30	CH-30	CH-30