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GEORG FISCHER IMSIG159001827 ELETTRODO COND./RESIST. TYPE 2850 3-2850-52-40V, 4 -20MA
GEORG FISCHER IMSIG159001827 ELETTRODO COND./RESIST. TYPE 2850 3-2850-52-40V, 4 -20MA

GEORG FISCHER IMSIG159001827 ELETTRODO COND./RESIST. TYPE 2850 3-2850-52-40V, 4 -20MA

GEORG FISCHER IMSIG159001827 product code refers to the Signet Type 2850 Conductivity/Resistivity Electrode with integrated electronics (3-2850-52-40V, 4-20mA output). This device is used for precise measurement of liquid conductivity or resistivity and can be easily connected to a control system (PLC/DCS) via its direct 4-20 mA signal output. Its main application areas include:

  • Water Treatment and Water Quality Monitoring: Continuous monitoring of purity levels for various water types such as potable water, process water, ultra-pure water, and wastewater.
  • Reverse Osmosis (RO) Systems: Evaluating the performance of RO membranes and detecting membrane fouling.
  • Deionization (DI) and Demineralization: Controlling ion removal efficiency in high-purity water production.
  • Boiler and Cooling Tower Protection: Monitoring water conductivity to prevent corrosion and scale buildup.
  • Chemical Dosing and Concentration Control: Ensuring accurate concentration of chemical solutions.
  • Aquatic Animal Life Support Systems: Maintaining control over water quality parameters (salinity/conductivity).
  • Wash and Rinse Water Applications: Determining the effectiveness of cleaning cycles.
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GEORG FISCHER IMSIG159001827 is an integral conductivity/resistivity sensor from the Signet 2850 series. This model (3-2850-52-40V) comes with a 0.1 cell constant PVDF electrode and provides a direct 4-20 mA analog output. This enables the sensor to convert the measured conductivity or resistivity value into a standard industrial signal for transmission to a remote control system. Its robust design, high accuracy, and wide measurement range make it ideal for a variety of liquid monitoring applications. It features a special "Pure Water Compensation" capability for accurate measurements even in low conductivity (high resistivity) ranges. The EasyCal™ feature allows for simple field calibration.
  • Product Code: IMSIG159001827
  • Model: Signet Type 2850 Conductivity/Resistivity Sensor (with Integral Electronics)
  • GF Part Number: 3-2850-52-40V
  • Measured Parameter: Conductivity or Resistivity
  • Cell Constant (K): 0.1 cm$^{-1}$ (Ideal for high-purity water applications)
  • Electrode Material: PVDF (Corrosion-resistant)
  • Output: 4-20 mA analog output (two-wire, loop-powered)
  • Power Requirement: 12 - 24 VDC (regulated for 4-20 mA output)
  • Measurement Range: 0.055 µS/cm to 400,000 µS/cm (or 18.2 MΩ to 10 kΩ) (Factory set 4-20 mA range for 0-1000 µS/cm, depending on 0.1 cell constant)
  • Accuracy: ±2% of reading
  • Temperature Compensation: Internal PT-1000 RTD (2% / °C) and Pure Water Compensation
  • Operating Temperature: -10°C to +85°C (14°F to 185°F)
  • Maximum Pressure: Varies depending on temperature and connection type.
  • Enclosure Rating: NEMA 4X / IP65 (for front panel)
  • Mounting Type: Compatible with various mounting accessories for in-line or submersible installations (e.g., 3/4" NPT threaded connection).
  • Features: EasyCal™ (automatic test solution recognition), field-selectable 4-20 mA ranges (invertible).