Refdes and symbol for a sensor

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   Hi All,

I am creating a symbol for two pin sensor but don't know what the symbol should be like and what about its refdes. Wish you can give me some suggestions on it. 

If IPC has a definition on the symbol or its refdes?

Thanks in advance

Nightwish

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Nightwish Members Profile Send Private Message Find Members Posts Add to Buddy List Active User Joined: 20 Feb 2012 Location: Shanghai China Status: Offline Points: 33	Post Options Post Reply Quote Nightwish Report Post Thanks(0) Quote Reply Topic: Refdes and symbol for a sensor Posted: 04 Sep 2012 at 12:17am
	Hi All, I am creating a symbol for two pin sensor but don't know what the symbol should be like and what about its refdes. Wish you can give me some suggestions on it. If IPC has a definition on the symbol or its refdes? Thanks in advance Nightwish



jameshead Members Profile Send Private Message Find Members Posts Add to Buddy List Expert User Joined: 20 Mar 2012 Location: Oxfordshire, UK Status: Offline Points: 576	Post Options Post Reply Quote jameshead Report Post Thanks(0) Quote Reply Posted: 04 Sep 2012 at 1:29am
	What's the sensor for? BS 60617 has symbols for a Proximity Sensor device, Capacitive proximity detector, touch sensor, magnetically operated proximatry switch etc. and also a symbol for "signal translator". If it's something not covered elsewhere I generally use the symbol for signal translator and put something near by to indicate what it is sensing.

Nightwish Members Profile Send Private Message Find Members Posts Add to Buddy List Active User Joined: 20 Feb 2012 Location: Shanghai China Status: Offline Points: 33	Post Options Post Reply Quote Nightwish Report Post Thanks(0) Quote Reply Posted: 06 Sep 2012 at 9:41pm
	Hi Jameshead, Sorry to reply you late. This is a ultrasonic sensor from Murata. I don't know if there is an universal standard on this. Thanks, Nightwish

jameshead Members Profile Send Private Message Find Members Posts Add to Buddy List Expert User Joined: 20 Mar 2012 Location: Oxfordshire, UK Status: Offline Points: 576	Post Options Post Reply Quote jameshead Report Post Thanks(0) Quote Reply Posted: 07 Sep 2012 at 1:24am
	I'd use a microphone symbol for this and maybe put the frequency range under it just to show that it's not a normal microphone. There is another used symbol though: