The YTS61 6‑in‑1 Oil Condition Sensor uses the world's advanced piezoelectric resonant MEMS components. Through an integrated high‑precision signal sampling and processing unit, combined with advanced algorithms, it can automatically detect 6 key parameters: moisture content, density, viscosity, dielectric constant, water activity, and temperature — all in real time.
Key Measurements
- Temperature: ‑40 – 120 ℃ (±0.3 ℃)
- Viscosity: 1 – 1000 cSt (±5%)
- Density: 600 – 1250 kg/m³ (±3%)
- Dielectric Constant: 1 – 6 (±3%)
- Water Activity: 0 – 1 aw (±0.02 – ±0.04 aw)
- Moisture Content: 0 – 5000 ppm (±10%)
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Description
The YTS61 is a comprehensive multi‑parameter oil condition sensor designed for continuous online monitoring. It provides a complete picture of fluid health by measuring 6 critical indicators simultaneously.
YTS61 is widely applied to online monitor the viscosity and density of lubricating oil, hydraulic oil, gear oil, gasoline, diesel oil, jet fuel, kerosene, biodiesel, ethanol, chemical reagents and coating ink.
Applications
Features
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1
High sensitive and precision measurement — sensitively detect small changes, accurate measurement and consistency.
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2
Robust and Reliable — made of SS316 material and suitable for any harsh environment.
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Fast response — Real‑time and continuous monitoring, instant detection and reporting any abnormal situations.
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Intelligent integration — Simple to configure and install, easy integration with end user's system.
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Piezoelectric resonant MEMS — world's advanced component technology.
YTS61 vs YTS41
The YTS61 adds water activity and moisture content (ppm) to the YTS41's 4 measurements — making it ideal for applications where water contamination is a critical concern (e.g., transformer oils, turbine oils).
Specifications
Measurement Ranges
| Parameter | Range | Accuracy |
|---|---|---|
| Viscosity | 1 – 1000 cSt | ±5% ~ ±8% |
| Density | 600 – 1250 kg/m³ | ±2% or ±5 kg/m³ |
| Dielectric Constant | 1 – 6 | ±5% |
| Moisture Content | 0 – 5000 ppm | ±10% or ±10 ppm |
| Water Activity (aw) | 0 – 1 aw | ±0.03 aw or ±3% |
| Temperature | 0 – 100 ℃ | ±0.5 ℃ |
| Flow Rate | 0.3 m/s | Flow control valve if higher |
| Online Pressure | < 15 bar | Reducing valve if higher |
General Specifications
| Item | Parameter |
|---|---|
| Fluid Temperature | ‑40 ℃ – 120 ℃ |
| Working Temperature | ‑40 ℃ – 85 ℃ |
| Power Supply | DC 24V ±10% |
| IP Rating | IP66 |
| Signal Communication | RS485 and CAN |
| Mechanical Interface | Threaded M39×1.5mm |
| Cable Interface | M12×8pin |
| Material | Stainless steel 316 |
| Dimension | Length 76.15 × φ52 mm |
| Weight | 0.382 kg |
Note: The default YTS61 sensor uses hydraulic oil ISO VG 68# to calibrate the moisture content detection.
The 6 Parameters
The YTS61 monitors these 6 fluid indicators simultaneously:
Standard Accessories
- Sensor (YTS61 unit)
- Sensor Signal Cable
When to choose YTS61?
Choose the YTS61 when you need to monitor both physical properties (viscosity, density) and water contamination (water activity + ppm moisture). This is critical for transformer oils, turbine oils, and any application where water ingress can cause catastrophic failure.