CAN interface for pressure transducer
A
Gems Sensors product story
Edited by the Engineeringtalk editorial team
Jan 10, 2003
Gems Sensors will launch the 9000 CANbus pressure transducer at MTEC 2003 to meet the demands of the test and measurement industry, including automotive and marine applications.
Gems Sensors will launch the 9000 CANbus pressure transducer at MTEC 2003 to meet the demands of the test and measurement industry, including automotive and marine applications.
Offering high levels of accuracy over a wide temperature range, multiple devices can be used on a single bus - reducing the requirement for cabling.
The digital output in engineering units also eliminates the need for system calibration.
Designed to have a wide input voltage range, input to output isolation, immunity to noise and self-diagnostics, the 9000 is ideal for electrically noisy environments or applications where earthing and grounding can be a problem.
The capability for self-diagnostics enables bridge fault detection, the provision of data such as hours in service and the last and next calibration date.
Compact in design, the pressure transducer measures just 25mm in diameter and 120mm length.
The unit also offers excellent long-term stability of better than 0.05% per year (non-cumulative.) Also on show will be the MiniMap compact pressure transmitter, which is specially designed for installation where space is at a premium.
From 25mm long, the transmitter features a sputtered thin film sensor to provide consistent high levels of performance and stability for large volume users.
As Gems Sensor's thin film sensor is atomically bonded onto metal substrate, the transmitter virtually eliminates drift - whilst offering enhanced sensitivity.
The MiniMap offers a proof pressure of six times full scale and enables sensors to survive the most severe pressure spikes - making it particularly suitable for use in hydraulic applications.
In fact, the units are subjected to rigorous hardness, leak, pressure, thermal cycling and aging tests to ensure the transmitters will resist both pressure shocks and mechanical vibration.
Other highlights include the 5000 series low range transmitter, with triple sealing protection against water ingress.
The unit features a sturdy ceramic diaphragm that is able to detect minute pressure variations while withstanding large pressure spikes.
The tough ceramic sensor is housed in a stainless steel case to ensure performance in the most demanding applications.
It offers excellent long-term stability, accuracy of 0.25% full-scale per annum and a response time of just 5ms.
Suitable for high proof pressures of 2bar, the 5000 series provides an output of 4-20mA and a compensated temperature range of -20 to +50C.
Applications include tank level, open channel flow, reservoir level, clean room pressure, flood warning and river level.
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