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Moisture Content Sensor · Free Water
Ref. JWB2-MC
TOTAL water content, free and emulsified, in percentage.
up to 0–20%available ranges
0.1%resolution
±0.3%typical accuracy
IP65protection
Overview
Free and emulsified water, measured in percent
Measures the oil's total water content, including free and emulsified water, with direct reading in %. Suited to quantify water contamination already present in volume. (Unlike the Micro-Moisture Sensor, which measures dissolved water via water activity.)
What it measures
What it measures
Total water content
0–5% / 0–10% / 0–20%
Free and emulsified water, read directly as a percentage.
Temperature
0–100 °C (±0.3 °C)
Hardware-compensated so it never distorts the reading.
Accuracy
±0.3% typical (±0.5% max)
0.1% resolution to track contamination by volume.
How it works
Measurement principle
Measures total water content, including free and emulsified water, with temperature and flow compensation.
1
Contact with the flowThe sensor continuously monitors the oil in operation.
2
Total content measurementProprietary technology detects the free and emulsified water present.
3
Hardware compensationTemperature and flow are compensated in parallel, right in the circuit.
4
Early warningRS485 MODBUS RTU or 4–20 mA output warns about failures in time.
Technical data
Specifications
Code
JWB2-MC
Water content
0–5% · 0–10% · 0–20%
Temperature
0–100 °C
Output
RS485 MODBUS RTU · optional 4–20 mA
Power supply
DC 12–32 V (RS485)
Installation
G1/2 thread · 316 stainless probe
Dimensions / Weight
Φ30.5×84.4 mm · 165 g
Probe pressure / flow
≤ 1 MPa · ≤ 1 m/s
Protection
IP65
Compliance
EN61000-6-2 · EN61000-6-4
Full specifications in the official datasheet.
From the sensor to your system
Integration & Outputs
◉Moisture Content Sensor · Free Waterinstalled at the measurement point
⇄RS485 MODBUS RTU · optional 4–20 mAopen industrial protocol
🖥PLC / SCADAyour alarms and history, in your standard
RS485 MODBUS RTU · optional 4–20 mA
Common questions
FAQ
How is it different from the Micro-Moisture Sensor?
This sensor quantifies total water, free and emulsified, as a percentage. The Micro-Moisture Sensor measures dissolved water (aw and ppm), before free water forms.
Which measuring ranges exist?
0–5%, 0–10% and 0–20% water content, with 0.1% resolution.
Which outputs does it offer?
RS485 MODBUS RTU as standard and optional 4–20 mA, with IP65 protection.
Which oils is it suited for?
Lubricating, hydraulic, gearbox, insulating and turbine oils, synthetic greases and light and heavy oils in general.
Moisture Content Sensor · Free WaterRS485 MODBUS RTU · optional 4–20 mA · Ref. JWB2-MC
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