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Pinhole Detector

ATI offers service and replacement parts for SEMS pinhole detectors.


Metal foil       

Tin plate                  


Power Demand                                  Approximately 500 VA

Supply Voltage                                   230/460 V +/- 10% 60 HZ

                                                        220/440 V +/- 10% 50 HZ

                                                        (Other voltages available upon request)

Temperature Range                           0 to 50 Degrees C

Sensitivity                                        .0005 In. diameter hole

Speed                                               1 to 2000 ft./min.

Strip Thickness:

    Suggested Upper Limit                   0.065 In.

    Limited by Shutter                         0.185 In.

Strip Width Maximum by Model:*      6000 or 60"

Automatic Shutters - Threaded            67 inches

                               Inspect                60 inches

Manual Shutters - Threaded                68 inches

                           Inspect                    62 inches

Minimum which can be inspected       12 In. centered

Strip Weave                                        Any within width limits.

*Other sizes are available on special request.

Shutter Overlap                                  0.0625 In. minimum at all times. This is normally set to 0.125 In.

Shutter Dead Band                             +/- .04 In. to +/- .1 In. (factory set approx. .06 In.) Shutter        

Shutter Speed                                    240 or 375 inches per min. for 60 HZ Power freq.

                                                          200 or 312 inches per min for 50 HZ power freq.

                                                          (factory set for lower speed. Can be changed in the field)

Strip weave speed                              Must be less than shutter speed

Typical speed-overlap relationships:

    Shutter speed                            240 In. per Min.   to    375 In. per Min.

    Normal Overlap                          .125 In.               to    .185 In.

    Minimum Deadband                   +/- .55                to    +/- .08 In.


Relay Contact                                    DPDT 2 amp at 115V AC resistive. Protection required for other loads.  Derate for incandescent lamp loads with high in-rush (1/10 rating).

Closure Delay                                    Approx. 10 milliseconds after detection

Closure Duration                               Adjustable, approx. 10 to 60 MS

Single Pulse                                      No holes 0.0V to -0.6V

                                                         Pinhole + 8V

Output impedance                             Approx. 100 ohms

Minimum load impedance                 Approx. 10K ohms

Pulse Duration                                  Approx. 0.8 milliseconds

Pulse Frequency                               Approx. 500 HZ

Duration of Output                           Equal to time Pinhole is in inspection zone.

INTERLOCK (To be supplied by customer)

Function                  Line Start

Type                       Open when line stopped

                               Closes when line starts

Shutter Retract Switch (To be supplied by customer (Auto Shutters only)

Type                        SPST - Shutters retract to limit when closed

Two (2) zone dual detection

Adaptive Technologies Industries
8515 Baymeadows Way, unit 301
Jacksonville, FL 32256 USA

Phone: 904-551-0980
Fax: 240-715-4211
Email: info@atigauge.com