P1651 P1653 P1661 P1663 Diaphragm pressure gauges with electrical alarm contacts in stainless steel case


with or without dampening
with magnetic snap-action contacts or inductive alarm contacts

Nominal sizes ND 100, 160
Connection position bottom, radial

Features

  • Limit value signalling by magnetic snap-action or inductive contacts
  • With SVA-amplifier suitable for SPS control units
  • Up to four alarm contacts possible
  • Can be used under Ex-conditions with inductive alarm contacts
  • Liquid dampening provides vibration-free display
  • Up to 10-fold overload capacity
  • Protection class IP 54

Ranges

  • 0 ... 25 mbar to 0 ... 40 bar

Applications

  • Mechanical engineering,
  • plant and apparatus construction,
  • Building services

Model : P1651, P1653, P1661, P1663

Description

The design principle and material selection of the diaphragm pressure gauges allow them to meet the stringent demands occurring above all in industrial service.
Special corrosion resistant materials are used for service with chemically aggressive media.
Open process connections ensure that the gauges are easy to clean with highly viscous or crystallizing process media, thus guaranteeing process reliability.
As a result of the high actuating forces, pressure gauges with diaphragms are particularly suitable for connection of electric alarm contacts. Electric alarm contacts open and close circuits in response to the position of the pressure gauge pointer.

Magnetic snap-action electric alarm contacts are used in adverse operating conditions. The high contact pressure and the selection of various contact materials result in reliable and cost-effective solutions, above all when high currents have to be switched. Signal output does however take place slightly in advance of or lagging slightly behind the motion of the actual value pointer.

If the electrical switching capacities of the alarm contacts are exceeded or not reached (see DE 1231), a relay (DE 1230) is to be used to provide an appropriate current rating.

Inductive electric alarm contacts have an almost unlimited service life, as the signal is switched without physical contact. Closing or opening takes place without any feedback effect on the measuring system, precluding any signal lead or lag. A corresponding control unit is always required for operation. Units with inductive contacts may be operated in areas with potentially explosive atmospheres, assuming compliance with existing specifications.

Specifications

principe Manometer, Drukschakelaar
Process Connection
Nominal diameter
House
meetelement
uitgang Visueel, Contacten
Scale range
Manometer diameter
aansluitpositie
glycerine
Brand Tecsis
Hygienic
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