Moisture Sensors
BFF-2
Oil Water-Content Sensor
Online sensor for continuous monitoring of oil water content and temperature.
- Range
- 0–5%; 0–10%; 0–20%; custom
- Output
- RS-485; optional dual 4–20 mA
Moisture Sensors
BFV-3
Oil Moisture Sensor
Online oil-moisture and temperature sensor supporting water activity or ppm measurement.
RANGE0~1 aw; ppm range depends on the oil and configuration—confirm before selection
OUTPUTRS-485 Modbus; optional analog output
MATERIAL316 stainless-steel probe
PROTECTIONIP66
Product overview
Application-focused measurement and switching.
The BFV-3 provides online oil-moisture and temperature measurement using either water-activity or ppm ranges. Standard RS-485 Modbus communication, optional analog output, and a 316 stainless-steel probe support lubricating, hydraulic, gear, engine, and fuel-oil monitoring.
Configuration note
Ratings, materials, interfaces, and approvals can vary by ordered configuration. CASCED INC confirms the controlled specification before order acceptance.
Key features
- Water-activity or ppm ranges
- RS-485 Modbus standard
- Optional analog output
- 316 stainless-steel probe
Technical specifications
Key data for product selection.
Moisture ranges
Latest catalog table: 0~500 ppm for mineral transformer oil. Narrative separately states a typical 0~1000 ppm configuration; confirm the oil and ordered configuration.
Moisture accuracy
±10% for the 0~500 ppm mineral-transformer-oil configuration shown in the latest catalog table
Water activity range
0–1 aw
Water activity accuracy
±0.02 aw from 0–0.6; ±0.03 aw from 0.6–0.9; ±0.04 aw from 0.9–1
Response time
<60 s
Temperature range/accuracy
Measurement: -40°C~+80°C, ±0.2°C at +25°C; permissible oil temperature: -40°C~+120°C
Digital output
RS-485 Modbus; RS-232 optional
Analog output
4–20 mA or 0–20 mA, load <500 Ω, optional
Process connection
G1/2 ISO or 1/2 NPT
Pressure
Up to 100 bar
Supply
9–36 VDC
Protection
IP66
Weight
200 g
Further dimensions, connection diagrams and ordering details are in the current catalog, full pages 222–223. Open the matching English PDF pages. Published values and options are configuration dependent. Confirm the selected configuration before use.
Downloads
Technical documentation
View in your browser or download a copy for engineering and sourcing review.
Typical applications
Engineered for real industrial systems.
01Lubricating oil
02Hydraulic oil
03Gear oil
04Engine oil
05Fuel
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- Range
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- Output
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Contact technical sales
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