1. Main Specifications| Design | Housing for DIN Rail Mounting | | Application | Control Cabinet Installation | | Additional Power Supply [V] | 20...30 DC; (AUX) | | Operating Voltage [V] | 26.5...31.6 DC | | Maximum AS-i Current Consumption [mA] | 157 | | Maximum Load Resistance [Ω] | 600 |
2. Key Selling Points- High-Precision Conductivity Measurement for Process Reliability: The AC3218 is a high-performance conductivity sensor utilizing 2-electrode or 4-electrode measurement technology (depending on configuration), enabling precise and stable
measurement of liquid conductivity. It is suitable for various
applications such as pure water, industrial water, and cleaning
solution concentration monitoring, ensuring product quality and
process consistency.
- Robust Hygienic Design: Specifically designed for high-demand industries like food &
beverage, pharmaceuticals, and biotechnology, it features a high-quality stainless steel housing (AISI 316L/1.4435) and hygienic process connections (e.g., DIN 11851, SMS, ISO 2852 clamps). With an IP68/IP69K protection rating, it withstands high-pressure, high-temperature water, and steam
cleaning during CIP (Clean-in-Place) and SIP (Sterilize-in-Place)
processes.
- Integrated Temperature Compensation: Equipped with an integrated Pt1000 temperature sensor, it simultaneously monitors the medium's temperature and
automatically applies temperature compensation (typically to 25°C), eliminating the influence of temperature
fluctuations on conductivity readings and providing more accurate
and comparable results.
- Dual Output: Analog + IO-Link: Supports a standard 4-20mA analog output for easy integration with conventional PLCs or control
systems, and includes an IO-Link interface for digital communication. This allows transmission of
multiple parameters—conductivity, temperature, device status, and
diagnostics—and enables remote parameterization and predictive
maintenance.
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