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  1. Chromservis
  2. Measurement and control
  3. Measurement of liquids
  4. Transmitters

Protos II 4400 S (basic unit, polished stainless steel), broad-range power supply

Reference: 4400 S

Protos II is new modular premium transmitter for all requirements. Versatile Expandable Ensuring Process Safety Protos II 4400 (X) premium transmitter is a flexible, 4-wire device for the following process variables: pH, ORP, conductivity and oxygen.

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Product description

Product description

Protos II is new modular premium transmitter for all requirements.

  • Versatile
  • Expandable
  • Ensuring Process Safety

Protos II 4400 (X) premium transmitter is a flexible, 4-wire device for the following process variables: pH, ORP, conductivity and oxygen. For monitoring and controlling processes even in the most complex applications — also in hazardous areas. With modular hardware and firmware concept.

  • Retrofits Possible, Future-Proof
  • Wide Sensor Selection
  • Status Messages acc. to NE 107
  • Reliable and Safe Thanks to Memosens Technology

Applications

  • Control of various chemical processes
  • Use in explosive and aggressive environments
  • Industrial wastewater and monitoring water treatment
  • Monitoring and control of the food/beverrage and pharmaceutical production process
  • Monitoring CIP systems/increasing the concentration of alkaline or acidic solutions
  • Process control of pH values and oxygen content in the fermentation operation
  • Monitoring CIP systems / increasing the concentration of alkaline or acidic solutions
  • Ultrapure water monitoring (WFI) acc. to USP

The smart diagnostic functions that Protos II provides for analyzing sensor life cycles mean a significant increase in sensor service life and availability.

Parameters

Parameters

Brand: Protos II
Category: Measurement and control / Measurement of liquids / Transmitters

Technical specifications

Display Graphic LC display, white backlight, resolution 240 × 160 pixels
Keypad NAMUR
Device self-test Test of RAM, FLASH, EEPROM, display and keypad
Clock Real-time clock with date
Module slots 3
Explosion protection Ex Certificates and EU Declaration of Conformity
Power supply 100 to 230 V AX,15 VA, 48 to 62 Hz, or AC: 24 V < 15 VA, 48 to 62 Hz, DC: 24 V < 8 W
Protection against electric shock Protective conductor terminal acc. to EN 61010–1
Current output 2× 0/7 to 20 (22) mA, max. 10 V, galvanic isolation up to 60 V
Relay contacts 4 relay contacts K1 … K4, floating, galvanic isolation up to 60 V
RoHS conformity According to EU directive 2011/65/EU
Operating temperatue –20 to 50 °C
Relative humidity 10 to 95% RH
Protection IP65
Weight Approx. 3.9 kg (depends on modules installed
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