For industrial sensor applications, ruggedness is a given. More frequently, industrial sensor specifications add ease-of-use and programmability to the must-have list. In industrial applications, some of the key parameters to monitor and control include temperature and pressure. These three products show the kind of capability suppliers provide to make these measurements easier.
SMART INFRARED TEMPERATURE SENSOR
Exergen Corp. added a microprocessor to its infrared temperature sensor to handle impedance, leakage current and cold junction compensation. The Smart-microIRt/c’s are available in four different sensor heads: 1:2 Field Of View (FOV); 4:1 FOV; 1:2 FOV, side view; and 4:1 FOV, side view with built in air purge. The processor continuously monitors and adjusts the complete system. In addition to calculating the output, the unit calibrates itself once every second eliminating drift or sudden changes and automatically shifts expected emissivity by 3 percent for every 100C increase in target temperature to improve the accuracy. Automatic Self Diagnostics inform the user of several out of limit conditions including target temperature out of range, the ambient outside of limits, heat flow outside of limits and low power. The sensor head is stainless steel, hermetically sealed with a NEMA 4X rating and a housing that resists mechanical and thermal shocks. Units are available in temperature ranges from 0 to 1000C. Get more information on Exergen Corp. Smart-microIRt/c infrared temperature sensors.
PROGRAMMABLE PRESSURE SENSOR
Easily programmed by three controls, TURCK Inc.’s PS400 and PS500 sensors also boast a switch point accuracy of less than ±0.5 percent. Two push-buttons allow scrolling through programming features with the selection made by an enter key. The menu accesses programmable parameters such as set points, reset points, output functions, analog ranges and other options. A 4-digit LCD display provides a constant indication of pressure in either psi, bar, kilopascals (kPa), or megapascals (MPa). Designed for tough industrial applications, the pressure sensors have a stainless steel housing with an integrated stainless steel M12 eurofast connector. Various stainless steel pressure connections are available including G1/4 and 1/4-18 NPT threads. The sensors incorporate a patented medium stop system that prevents leakage when overpressure and burst pressure levels are exceeded. The design immediately seals the sensor if the pressure cell has been damaged. Get more information on TURCK PS Series pressure sensors.
RUGGED PRESSURE TRANSDUCER
Using an all-welded construction with steel-wetted parts and no internal elastomers, Honeywell Sensing and Controls’ MLH Series of pressure transducers is extremely reliable and compatible with a wide range of fluids and gases. Sealed to IP 65 or greater for use in harsh environments, these units also meet the CE heavy industrial Electromagnetic Compatibility (EMC) standard for use in areas of high radio frequency interference/electromagnetic interference (RFI/EMI). The fully temperature compensated, calibrated and amplified units have a response time of less than 2 µsec. To eliminate damage from the supply voltage, MLH units incorporate reverse polarity and overvoltage protection. The design uses Application Specific Integrated Circuit (ASIC) technology and an advanced thick-film process for bonding ceramic to metal that accommodates modular construction and easy customization. For ease-of-use, units are available in a pressure range of 0 to 50 psi with seven standard output options, 12 possible electrical terminations and 18 possible pressure connections. Get more information on Honeywell Sensing and Control MLH Series of Pressure Transducers.
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