Industrial oil moisture sensor AFO - Kobold

The AFO oil moisture sensor from Kobold, equipped with two analogue outputs for different measured variables and RS 485 Modbus interface, ensures reliable and long-term stable measurement in technical oils. It is specifically designed to measure moisture content in transformer oil, motor oil, lubricating oil, hydraulic oil, and diesel fuels. In addition to providing highly accurate measurements of water activity (a_w) and temperature (t), the AFO also calculates the absolute water content (x) in ppm.

The calculation of water content (x) from the measured values of a_w and temperature is oil-specific and requires unique parameters for each type of oil. KOBOLD offers the ability to customize these oil-specific parameters for various oil types. The necessary parameters can either be provided during the AFO order process or later integrated into the device using the Service software.

more details

Downloads

Request Offer

Features

Highly accurate moisture measurement in oils;
2x configurable analogue outputs, Modbus RTU (RS 485);
Water activity measuring range: 0 to 1 a_w;
Response time in oil flow: < 1 min;
Temperature accuracy: ± 0,3 ºC;
Moisture calculation in ppm for transformer oil;
Digital output RS-485, Modbus RTU protocol;
Oil temperature: -20 ºC to 125 ºC.

Advantages

Measures water activity (a_w), temperature (t) and water content in ppm (x) (for transformer oils);
Fast response time;
Features two freely configurable analog outputs and a Modbus-RTU (RS 485) interface.

Industries