Smar Profibus PA Position Transmitter TP303

The TP303 is from the first generation of Profibus-PA devices. It is a transmitter for position measurements. It can measure displacement or movement of rotary or linear type. The digital technology and communication provide an easy interface between the field and control room and several interesting features that considerably reduce the installation, operation and maintenance costs.

The TP303 is versatile and reliable, and has very high accuracy. It may be used for control valve stem position measurement or in any other position sensing application such as louvers, dampers, crushers, etc. Since the TP303 uses a non-contact magnetic coupling for position sensing, it is less sensitive to vibration than other solutions, resulting in longer operational life. The TP303 is part of Smar's complete 303 line of Profibus-PA devices.

Communication	PROFIBUS PA,Digital only, complies with IEC 1158-2 (H1): 31.25 kbit/s and voltage mode with bus power
Output Action	Direct or Reverse
Linearity	< 1%
Range	Linear 0 to 100 mm or Rotary 0º to 30º up to 0º to 120º
Configuration	Using local adjustment magnetic tool or through digital communication using fieldbus.
Actual Position Sensing	Magnet (Non-contact) via Hall effect
Indication	Optional LCD indicator
Material	Injected low copper aluminum with polyester painting or 316 stainless steel housing
Process Temperature Limits	Ambient: -40 to 85 ºC (-40 to 185 ºF)  Process: -40 to100 ºC (-40 to 212 ºF)
Ambient Humidity Limits	0 to100 % RH
Hazardous Area Certification	Explosion proof, weather proof and intrinsically safe
Weight	Nominal: 0.80 kg; Digital display adds: 0.13 kg; Mountif bracket adds: 0.6 kg.

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