Miniature Low-Cost Differential Pressure Gauge

The differential pressure transmitters of the PD-23 series are designed for industrial applications and are supplied with a G1/4 internal thread as standard. They are based on a fully analog circuit. The PD-23 transmitters have a single silicon diaphragm in their interior, which is pressurised from both sides and measures the pressure difference directly. This design enables them to measure tiny pressure differences even at an extremely high line pressure.

The DMD 341 is a differential pressure transmitter for non-aggressive gases and compressed air. Because of its compact and robust aluminium housing it is suited for machine and plant engineering. Basic element is a piezoresistive stainless steel silicon sensor, which features high accuracy and excellent long term stability. In combination with our display and switching unit ASM 430 the user has a 4-digit LED-display for representing the differential pressure as well as up to 2 freely configurable contacts. Features: — differential pressure 0 ... 6 mbar up to 0 ... 1000 mbar — accuracy: 0.35% / 1% / 2% FSO — piezoresistive silicon sensor — compact and robust aluminium housing — suited for non-aggressive gases and compressed air — current and voltage output signals in 2- and 3-wire systems Optional Features: — display and switching module with up to 2 contacts — customer specific versions

The OPTIBAR DP 7060 is a differential pressure transmitter with integrated absolute pressure measurement. It offers a high degree of modularity for various flow, hydrostatic level or process pressure applications. For DP flow measurements it can be perfectly combined with the KROHNE primary elements (e.g. orifice plates or pitot tubes). Featuring a quick response time of just 125 ms, the DP transmitter offers high accuracy and measurement stability under all process conditions. KROHNE is the only manufacturer of process instrumentation to carry out a total 3D linearization of its differential pressure transmitter. For a robust and accurate differential pressure measurement, even under changing process conditions, each OPTIBAR DP 7060 differential pressure transmitter is linearized in all three dimensions during calibration: differential pressure, ambient temperature and static pressure are taken into account in combination.

Pressure gauge and thermometer are suitable for the various pressure and temperature measurement applications. We offer solutions for gas and liquid measurements. The range covers capsule, plate or Bourdon-tube pressure gauges and measuring instruments made from various materials with versions extending from standard models to stainless steel versions, for use in corrosive environments, and electronics measuring equipment.