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High-res pressure sensor measures over 0.5 to 60-in. H2O range

September 7, 2016 By Lee Teschler

DLHR Series. A new low-pressure sensor called the DLHR Series works over lower pressure ranges of 0.5 to 60 in. H2O, an improvement over previous devices. Developed by All Sensors Corp., the DLHR Series is said to provide higher resolution than any other fully compensated low-pressure
sensor currently available on the market. All error compensation takes place internally via an ASIC so no external calculation is required.

The DLHR Series is a low-pressure sensor with a high-resolution digital output signal that incorporates ultra-stable dual die technology that offers a fully customizable, turn-key solution. Product highlights include either I2C or SPI output interfaces with 16/17/18 bit resolution, and better than 0.25% FSS BFSL accuracy. The DLHR Series utilizes All Sensors’ proprietary CoBeam2 Technology, allowing greater sensitivity while reducing package stress and almost eliminating position sensitivity. The pressure sensor operates from a supply voltage of 1.68 to 3.6 V to better handle portable applications.

Devices are available in 0.5, 1, 2, 5, 10, 20, 30 and 60-in. H2O pressure ranges, gage and differential. Features include

 Miniature package with SIP and DIP lead configurations
 PC board mountable SMT and through hole configurations
 Multiple port options available
 Digital I2C or SPI interface offered as a standard feature
 16/17/18 bit options available
 No external components or calculations required
 Low and variable supply voltage from 1.68 to 3.6 V
 All Sensors’ CoBeam2 Technology
 Accuracy better than 0.25% FSS BFSL
 1% Total error band (maximum)
 Compensated temperature range: 0°C to 70°C or -20°C to 85°C

Applications include medical devices associated with low pressure, portable devices, battery operated devices, remote sensing, HVAC applications, spirometry, instrumentation,
respiratory machines, and industrial controls.

All Sensors Corp., 16035 Vineyard Blvd., Morgan Hill, CA 95037, www.allsensors.com

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Filed Under: Sensor Tips Tagged With: allsensors, allsensorscorp

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