ATI offers service and replacement parts for SEMS pinhole detectors.
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.
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 115 VAC 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