Impress Releases Low-Cost Digital Pressure Gauges

Impress Sensors and Systems has released a range of battery-powered digital pressure gauges for applications such as hydraulics, pneumatics, process engineering and mobile pressure monitoring. The DM 10 range of low-cost gauges is intended to offer customers a direct, cost-effective replacement for their existing mechanical gauges. The new gauges incorporate a ceramic diaphragm and are therefore suitable for environments in which aggressive chemicals are present.

'The DM 10 has a 63mm-diameter display - the same as common mechanical gauges - but the DM 10 offers higher accuracy, repeatability and reliability,' said Sam Drury, sales and marketing director at Impress Sensors and Systems. The DM 10 is designed to be mounted easily and quickly in situ. The 4.5-digit, seven-segment LC display can be rotated independently of the housing, providing the engineer with a clear sight of the display at all times, regardless of the mounting configuration.

The housing itself rotates 270deg about the horizontal axis. The device is operated through a menu-driven display via pushbuttons on a touchpad. As well as showing information about the nominal pressure range, the unit can display via the menu the maximum and minimum pressures of a process. 'For example, an engineer may have a fault in the system and therefore needs to check what the maximum pressure reading on the gauge was. 'An increase in the system pressure from say 6bar up to 10.5bar may indicate an over-pressure problem within the process and this would be displayed on the gauge,' said Drury.

Users can also choose which units of measurement they prefer, including bar, mbar, psi, mH2O and MPa. Additional functions include auto-zero and an automatic switch-off, where the user can define between one and five minutes or select continuous operation. The nominal pressure ranges for the DM 10 are from 1.6bar up to 250bar. The minimum operational life of the battery is 1,500 hours.

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