Pressure Sensors/Transducers
Press Room

HONEYWELL INTRODUCES SMART PRECISION PRESSURE TRANSDUCER FOR INDUSTRIAL ENVIRONMENTS

MINNEAPOLIS, OCT.5, 1998-Honeywell today introduced the FM, CSA and CENELAC-approved explosion proof model of the Ruggedized Precision Pressure Transducer (PPT-R). This new model offers a conduit electrical interface for use in hazardous environments. The PPT-R family is ideally suited for process monitoring, level sensing, turbine test stands, flight tests and other applications.

The new PPT-R features 0.1 percent of full scale typical accuracy including temperature effects from -40 to 185 degrees Fahrenheit (-40 to 85 degrees Centigrade). Integral digital signal compensation greatly simplifies the task for the designer requiring high accuracy over temperature. Gauge and absolute units are available in full scale pressure ranges between 0-10 psi and 0-3000 psi (0-.7 to 0- 207 bar). The transducer has a stainless steel 316 diaphragm for compatibility with many types of media. For non-hazardous applications a military-style bayonet connector is available.

The PPT-R uses the industry-leading silicon sensor technology developed for Honeywell's industrial and avionics control systems, offering unmatched reliability and stability. Honeywell also produces the PPT which offers high accuracy for dry gas sensing applications. The complete family of smart sensors solves a wide range of problems.

The PPT-R offers both analog and serial digital outputs (RS232 or RS485), with the 0 to 5 volt output allowing easy retrofit to analog systems. The serial output allows the user to network up to 89 units on a single bus, interface directly to a PC or other data acquisition system, and address and customize individual units. Customization can be implemented using a simple set of commands from any PC with a factory-supplied cable connecting the PPT-R to the PC communications port. User-selectable parameters include update rate, deadband, analog voltage range and pressure measurement units. The smart PPT-R can automatically increase its update rate if a rapid change of pressure is sensed, and it will set flags for out-of-range pressure or temperature conditions.

The new PPT-R and the complete family of precision pressure transducers are manufactured at Honeywell's Solid State Electronics Center which is ISO9001 Certified. The PPT-R is approved for FM and CSA explosion proof ratings Class 1, Div 1, Groups B,C, D; dust ignition proof ratings Class II, III, Div 1, Groups E, F, G; and CENELAC (LCIE), Flame-Proof, Eex d IIC T6. It provides EMI filtering and complies with CE Standards EN50081-1992 and EN50082-1-1992, Electromagnetic Compatibility - Generic Emissions and Immunity Standards, Part 1: Residential, Commercial and Light Industrial, and Electromagnetic Compatibility Directive 89/336/EEC as amended by 92/31/EEC and 93/68/EEC.

Honeywell is the world's leading provider of control technologies for buildings, homes, industry, space and aviation. The company employs 57,000 people in 95 countries, and had 1998 sales of $8.4 billion.