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 Terahertz Technologies Inc.

169 Clear Road Oriskany, New York 13424

Tel: (315) 736-3642   Fax: (315) 736-4078

Copyright 2003 Terahertz Technologies Inc.

C-995

    

Optical Chopper

    Operating Manual

Summary of Contents for C-995

Page 1: ...Terahertz Technologies Inc 169 Clear Road Oriskany New York 13424 Tel 315 736 3642 Fax 315 736 4078 Copyright 2003TerahertzTechnologies Inc C 995 Optical Chopper Operating Manual...

Page 2: ...MATION Introduction 1 Specifications 2 Unpacking and Inspection 3 Power Requirements 3 OPERATING INSTRUCTIONS Operation 4 Serial Port 5 Operating Considerations 7 WARRANTY INFORMATION Repair Informati...

Page 3: ...Hz to 5 KHz The controller is then used to read the frequency of the external clock The C 995 chopping head is attached to the controller by means of a 10 foot coiled cord The precision etched blade...

Page 4: ...e 0 01 of setting 25 ppmover temperature range 0 1 Hz highspeedrange 0 01 Hz lowspeedrange 0 001 Hz bothranges via Rs 232port 0 1 peak to peak 3 slotaperture 1 peak to peak 30 slot aperture 5 sec for...

Page 5: ...damaged condition apparent or con cealed it must be noted on the freight bill or express receipt and signed by the carrier s agent Failure to do so could result in the carrier refusing to honor the c...

Page 6: ...These values are stored in the unit during the calibration process Frequency settings for each range are stored in non volatile memory so that the unit is able to maintain the programmed chopping rate...

Page 7: ...1 i e Baud Rate of 9600 Baud no parity bit 8 data bits and one stop bit The command structure is as follows To set the chopping rate to 1 KHz on the high speed range send the following eleven characte...

Page 8: ...te via External Sync To synchronize the C 995 to an external clock set the Sync switch on the rear panel to the Ext position Apply a TTL CMOS compatible clock to the rear panel BNC connector labeled E...

Page 9: ...s where this criteria is important Additionally the inner set of slots chops the largest diameter beam For beams of more than 2 3 mm in diameter the inner set of slots should be used The rise time of...

Page 10: ...Y EXPRESS OR IMPLIED GIVEN BY TTI I E THERE IS NO WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE TTI HEREBY DISCLAIMS ANY EXPRESS OR IMPLIEDWARRANTY OTHERTHAN THE WARRANTY INTHE FIRST SENTENCETO THE FUL...

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