Automatic Indicating Controller

This controller can be applied to all possible detection fields of process control such as pressure, differential pressure, temperature, liquid level, flow rate, viscosity etc. when used in combination with diaphragm control valves at the operating end. It is a pneumatic controller which can automatically regulate various process conditions at the optimum level.
It is constructed compactly and weights light, incorporating least possible number of parts. Its control, handling and maintenance are therefore simple and yet it has considerable durability. It is an instrument most suitable not only for fixing on graphic panel but also for local control, having usages in versatile fields.

Specifications

  1. Control air pressure(output): 0.2 - 1.0 kgf/cm
  2. Supply air press : 1.4 kgf/cm
  3. Control operation
    • Proportional band: 10 m 250%
    • Reset time: 0.2- 0.1 - 20 min (Standard), 2 - 40 sec, 0.5 m 10 sec
    • Rate time: 0.05-10 min control valve
  4. Both direct and reverse actions are available
  5. Accuracy: Within 1% of full scale
  6. Method of fixing: Panel mount or wall mount type
  7. Casing: Drip-proof and dust-proof type
  8. Weight: ca. 5 kg. (When detecting element is TM, TG, ca. 6 kg)
  9. Air consumption: Normal : 1 Nl/min, Maximum : 30 Nl/min
  10. Connection for control and supply air: PT1/4
  11. Pressure measuring connection: PT1/4

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Controlled system Detecting element Standard measurement range
Configuration Material
General Bellows unit used only for pneumatic
pressure signals of 0.2 to 1.0 kgf/cm2		 phosphor bronze to be suited to the transmitter
Pressure Direct pressure type bellows unit phosphor bronze 0-0.5, 1, 2, -0.1 / 0.2, 0.4 kgf/cm2
-0.2,/ 0.8, -0.5 / 0.5 kgf/cm2
Direct pressure type spiral Bourdon tube unit  AISI316-brass
complete AISI316		 0-3, 5, 10, 15, 20, 30, 50, 100 kgf/cm2
Temperature Direct temperature type mercury expansion
type thermal unit and gas-filled thermal unit 		 AISI304 0-100, 150, 200, 300, 500 °C
Level Displacement type level detecting element  250-2000 mm (to suited to the detecting element)

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