- Monosilicone-based high performing transmitter - Explosion proof smart differential pressure transmitter for hazardous locations - Built-in temperature sensor - 0.075% or 0.05% accuracy - Simple to operate 3-push button control - HART® or Modbus communications available - Low power option available - Re-zero function for safe field calibration - 10:1 rangeability allows for installation in any application - 5 year warranty
Switzerland
The pressure transmitters of the 6LHPD-Ei series for high pressure applications use the chip-in-oil technology developed by KELLER, uniting a pressure measuring cell, digital temperature compensation and signal processing in a compact housing made of stainless steel or Inconel. The transmitters are extremely resistant to environmental influences and delivery highly accurate measurement results as a digital output signal. The I2C interface and the low supply voltages make it easy to integrate in microcontroller-based systems. The extremely low power consumption is ideal for battery-operated devices. The D line is perfect for IoT solutions. Intrinsically safe – suitable for use in explosive atmospheres.
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The pressure transmitter DMK 387 has been specially designed for applications in plant and machine engineering as well as laboratory techniques and is suitable for measuring small system pressure and filling heights. By using our own-developed capacitive sensor, available in AI2O3 99.9%, the DMK 387 offers a high overpressure resistance and a high temperature and media resistance. The pressure transmitter is available in an intrinsically safe version for usage in explosive environments. Product characteristics: — Nominal pressure from 0 ... 100 mbar up to 0 ... 60 bar — Output signal: 2-wire: 4 ... 20 mA / 3-wire and others on request — diaphragm ceramics 99.9 % Al2O3 — accuracy: 0.35 % (opt. 0.25 %) FSO Optional features — IS-version Ex ia = intrinsically safe for gases and dust — different kinds of inch threads — pressure port in PVDF or PP-HT for aggressive media
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Measurement transmitter designed to convert any notnormalised DC voltage or current signal into a normalised signal while providing galvanic insulation. o Voltage or current input o Galvanic isolation 2 kV RMS. 50 Hz during max. 60 s between input, output and power supply o Selection of input and output ranges by jumpers behind the front plate o Wide range of power supplies o Rail DIN mounting Compliant with EMC EN 500822
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The pressure transmitter illustrated here measures differences in pressure between the two connections of the measuring element. Pressure differences can be measured with respect to a reference pressure, such as atmosphere, or to the command variable of a regulation system. Equally, however, it is possible to measure pressure differences within systems that have a high static pressure. One practical example of this would be measuring a flow rate by determining the pressure drop occurring across a metering diaphragm. The differential pressure transmitter measures in both directions and can therefore, for instance, be used on double-acting hydraulic cylinders. Its construction permits it to be used with liquid or gaseous media. Venting holes simplify installation. The robust design and the use of stainless steel make it possible to use the pressure transmitter under tough operating conditions.
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