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DES-CASE Condition Monitoring Systems

Moisture Content Sensor

The moisture content sensor (MCS) is suitable for most hydraulic and lubricating fluids. The high accuracy of the measurement and excellent long-term stability make the MCS ideal for online monitoring of moisture in transformer, lubricating and hydraulic fluid, as well as diesel fuel. The MCS is perfectly suitable for long term usage in moisture levels, higher than 90% RH. Making it the perfect solution for gearboxes, thrusters and other applications where free water is a threat. By combining the MCS with other RMF products like a Condition Monitoring Center and vacuum dehydration unit, we offer you the optimal solution for your water contamination problems.
DES-CASE Condition Monitoring Systems Moisture Content Sensor 1 mcs350_jpg

Applications

Descriptions

SPECIFICATIONS

GENERAL
Supply voltage
• 24 VDC
Power consumption at 24V DC
• <40mA
Pressure rating
• 0…20 bar (0…290 psi)
Measurement range
• 0 -100% RH
Housing / protection rating
• Stainless steel 1.4404 / IP65
Connection
• G1/2’’ BSP
Electrical connection¹
• M12 8-pin plug
Sensor protection
• Stainless steel filter
Oil temperature
• -40…100 °C (-40…212 °F)
Ambient temperature
• -40…80 °C (-40…176 °F)
Storage temperature
• -40…60 °C (-40…140 °F)
Electromagnetic compatibility
• EN61326-1 EN61326-2-3
Fluid compatibility²
• Petroleum based and synthetic fluids

OUTPUT
2 x analogue output
• 4 – 20 mA (3-wire technology) <500 Ohm
Digital output
• MODBUS RTU

ACCURACY AT 20°C³
Humidity Sensor
• ± 2% 0 to 90% & ±3% 90 to 100%
Temperature in oil
• ±0.2 °C (0.36 °F)
Response time
• < 10 min. in still oil


¹M12 8-pins connector is included. Contact RMF Systems for connection diagram
²The MCS is not suitable for water based fluids or aerospace phosphate ester hydraulic fluids.
³The accuracy statement includes the uncertainty of the factory calibration with an enhancement factor k=2 (2 x standard
deviation). The accuracy was calculated in accordance with EA-4/02 and with regard to GUM (Guide to the Expression of
Uncertainty in Measurement).

DES-CASE Condition Monitoring Systems Moisture Content Sensor
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