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Pressure/level transmitter PZM / VRM 050
Modular system PIEZOMESS PZM / VARIMESS VRM

PZM050 ps 01

Features

  • modular connection concept for multiple measuring tasks
    • minimised variety of types
    • reduced storage times
  • robust protective type IP 67, also suitable for extreme conditions
  • numerous connection options
  • optionally for high temperatures up to 200°C

Description

The design of the PZM / VRM 050 pressure transducers, with their O-ring seals and welded adaptations for pressure and level measurements without dead spaces, render them suitable for use under strict hygiene-controlled conditions, as well as for crystallising or viscous media. The robust stainless steel housing of the IP 67 protector design means that it is suitable for all extreme and remnant-free cleaning processes, such as those required for the food and pharmaceutical industries.

PZM / VRM 050 consists of a basic device that can be combined with various application-specific add-on adaptors, e.g. DRD, VARIVENT, DIN 11851, Flansch DIN, etc. This translates into a significantly reduced need for storage space and spare parts, as well as into lower material  administration costs.

The pressure screw makes it possible to position the device correctly and to connect the cables during installation; this means that the welding sockets no longer have to be marked and taken into account during the welding process, which is to the benefit of the user.                          

The pressure sensors of the PZM 050 series work according to the piezoresistive measuring principle and are separated from the measuring material by a stainless steel membrane. The pressure is transmitted via an oil filling that is safe for use with food. All parts that come into contact with the medium have been welded. The PZM type series has been specially designed for level measurements.

The pressure sensors of the VRM 050 series are robust and overload-protected ceramic membranes that work according to the capacitive method. The pressure to be measured acts on the sensor via the stainless steel membrane, which is welded flush with the front of the device, and the low-volume oil supply (white oil) to the sensor. The system has a high overload capacity due to its special design. It is intended for processing pressure measurements, where pressure surges and cavitations are common. All Hengesbach pressure transmitters are temperature-compensated.