Impress Sensors to showcase new digital pressure transmitters and multi-channel controllers at Sensing Technology 2012

>Manufactured in the UK, the IMP series of industrial pressure transmitters is now available with a digital RS485 interface and Modbus RTU output. These piezoresistive pressure transmitters have a stainless steel housing and provide excellent media compatibility, making it suitable for a wide range of applications in hydraulics, pneumatics, agricultural machinery, laboratory testing, pumps and compressors, HVAC systems, tank gauging and automotive testing. Every transmitter is temperature-compensated and calibrated. The electronics incorporate a microprocessor-based amplifier, with pressure and temperature measurement made possible by RS485 Modbus RTU serial communication. Impress provides a standard software package, which enables the user to re-range, calibrate and adjust some parameters of the device. There is also a facility to data log via the software, which is useful for checking installation and behaviours of the application. Nominal pressures are from 0.5bar up to 700bar.

>The new digital IMP series with Modbus interface enables these pressure transmitters to connect to Impress Sensors' range of digital process meters and multi-channel controllers. The CMC-99 and CMC-141 multi-channel process controllers, for example, now come with Modbus interface as standard. This compact controller has a touch-screen display, which is ideal for the simultaneous measurement and control in many process manufacturing applications. These controllers are suitable for a wide range of process applications, including centralised temperature measurement and control; multi-zone heating control; intermediate pumping station control; spraying and heating control for greenhouses; control of industrial furnaces and incinerators; and for engine test cell measurements.

>In addition, the CMC-141 multi-channel controller, the 'big brother' of the CMC-99, provides all the same functionality and features, but also offers a larger 5.7-inch (320 x 240 pixels) backlit display, more inputs/outputs (up to 72) and new types of logic channels.

>Also on the stand will be Impress' new IMP-T series of dual pressure & temperature sensors. Housed in an aluminium enclosure, these compact devices typically measure just 80 x 80 x 50mm, and provide outputs for pressure and temperature via the SD-12 digital interface. Together, this sensor provides atmospheric pressures and temperatures typically used for atmospheric condition monitoring.

>Via its USB interface, the IMP-T series can be connected to Impress' new ComBox module - which not only powers the IMP-T device, but also enables connection to a PC or laptop, allowing the user to view, configure and data log the output using Impress' own proprietary software. Up to 9 sensors can be connected to the ComBox. The software comes free-of-charge when purchasing the ComBox.

>A range of other sensors and instrumentation products will be on show, including a range of battery-operated pressures gauges and data loggers.