The Water in Oil system from Dr. E. Horn consists of a sensor FRG00035, a main processing unit MPU010, or the connection box GHG02088-5.
The new generation of WiO benefits you with:
We deliver directly and globally to end-users, agents, and resellers.
Contact us at marine@insatech.com.
Oil can hold a certain amount of dissolved water, where the maximum amount of water that oil can hold is characterized by the "saturation point". Above this point free water precipitates, which can lead to corrosion inside your engine.
Traditionally, you would measure the free water in your oil or emulsion, but the WiO system system senses the absolute content of absorbed water in oil. Thus, the Water in Oil Sensor FRG00035 physically detects the water activity based on the capacitive measuring principle.
Because the WiO system is installed in a vigorous stainless-steel housing the sensor resists the most demanding environmental conditions.
Moreover, you get a highly flexible system that offers a simple integration with the sensor and the connection and processing unit (GHG02088-5 or MPU010) with several options for output signal and functions for event memory.
Additionally, the AC version together with the processing unit GHG02088-5 gives you the possibility of not only reading the analog signals of temperature and AW, but also the alarm signals supported by relay technology.
OBS: A great feature of the sensor FRG00035 is the fact, that it does not need any cleaning.
The Water in Oil System from HORN consist of:
Additionally, to the basic standalone version, is the option to get an analogue output for water content and oil temperature, as well as an indicator box with analog indicator(s), operating devices, and an acoustic alarm.
The WiO system is applicable in various fields including:
The WiO sensor is available with two different lengths of the shaft; A sensor shaft with the length of 68 mm or 138 mm.
See the technical data for the main processing unit: MPU010-I-K, MPU010-I-G, and GHG02088-5 below.
| MPU010-I-K | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power supply | 8 ... 32 VDC, max. permissible ripple ≤ 5 % (protected by automatic fuse) 2 power supply inputs (redundancy) |
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| Power consumption | approx. 10 W |
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| Polarity protection | Yes |
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| Operating/ Storage temperature | -25 ... +85 °C |
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| Relative humidity | < 90 %, non-condensing |
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| Weight | Approx. 1000 g. |
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| Protection degree | IP 67 |
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| EMC-standard | DIN EN 55016 and DIN EN 55022, safety rules acc. EN 61000-4, -6 rules for type approval test accord. GL |
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| Connection to PE | Copper mesh band |
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| Cable glands | M12 for sensor |
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| Sensor interface | I2C |
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| Relays | PAV (pre-alarm-value), MAV (main-alarm-value), STATUS |
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| Analog output | current output or voltage output (details configurable: 4-20 mA or 0-10 VDC, others on request), galvanic isolated, user selectable |
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| Current output load | max.1200 Ω |
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| Ethernet | Transmission rate max. 100 Mbit/s, galvanic isolated, IP-Address adjustable |
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| CAN | Transmission rate 20 kBaud ... 1 Mbaud, galvanic isolated, Node ID adjustable 1...127 |
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| Configuration/ display | CAN open-protocol / Web page over ethernet |
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| MPU010-I-G | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power supply | 8 ... 32 VDC, max. permissible ripple ≤ 5 % (protected by automatic fuse) 2 power supply inputs (redundancy) |
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| Power consumption | approx. 10 W |
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| Polarity protection | Yes |
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| Operating/ Storage temperature | -25 ... +85 °C |
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| Relative humidity | < 90 %, non-condensing |
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| Weight | Approx. 1000 g. |
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| Protection degree | IP 67 |
||||||||||||||||||
| EMC-standard | DIN EN 55016 and DIN EN 55022, safety rules acc. EN 61000-4, -6 rules for type approval test accord. GL |
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| Connection to PE | Copper mesh band |
||||||||||||||||||
| Cable glands | M12 for sensor |
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| Sensor interface | I2C |
||||||||||||||||||
| Relays | PAV (pre-alarm-value), MAV (main-alarm-value), STATUS |
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| Analog output | current output or voltage output (details configurable: 4-20 mA or 0-10 VDC, others on request), galvanic isolated, user selectable |
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| Current output load | max.1200 Ω |
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| Ethernet | Transmission rate max. 100 Mbit/s, galvanic isolated, IP-Address adjustable |
||||||||||||||||||
| CAN | Transmission rate 20 kBaud ... 1 Mbaud, galvanic isolated, Node ID adjustable 1...127 |
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| Configuration/ display | CAN open-protocol / Web page over ethernet |
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| GHG02088-5 | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power supply | 8 ... 32 VDC, max. permissible ripple ≤ 5 % (protected by automatic fuse) 2 power supply inputs (redundancy) |
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| Power consumption | approx. 2 W |
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| Polarity protection | Yes |
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| Operating/ Storage temperature | -25 ... +85 °C |
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| Relative humidity | < 90 %, non-condensing |
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| Weight | Approx. 700 g. |
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| Protection degree | IP 67 |
||||||||||||||||||
| EMC-standard | DIN EN 55016 and DIN EN 55022, safety rules acc. EN 61000-4, -6 rules for type approval test accord. GL |
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| Connection to PE | Copper mesh band |
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| Cable glands | M16 for sensor |
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| Sensor interface | AC |
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| Relays | PAV (pre-alarm-value), MAV (main-alarm-value), STATUS |
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| Analog output | current output (4-20 mA), galvanic isolated |
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| Current output load | max. 500 Ω |
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Horn sensors continuously measure critical parameters to ensure engine safety. They can be sold individually or integrated into our monitoring systems, providing customized solutions tailored to customer needs.
Ensuring Safety for Large Engines and Drives
Horn specialize in safety solutions for large 4-stroke and 2-stroke engines, whether used in marine vessels, power generation, or industrial applications on land.
Looking for something else? See our selection of sensors from HORN:
The HORN Water in Oil Sensor (WiO) is designed to continuously monitor water content in lubricating and hydraulic oils. It helps prevent equipment damage by detecting water contamination early, ensuring optimal oil quality and system reliability.
The sensor uses capacitive measurement technology to determine the water activity (aw-value) in oil. This provides an accurate and real-time indication of free and dissolved water content.
The sensor measures water activity (aw-value) from 0 to 1, where 0 represents completely dry oil and 1 indicates the oil is fully saturated with water. It also provides temperature compensation for precise readings.
Yes, the sensor detects both dissolved and free water by measuring the water activity (aw). A value close to 1 indicates that the oil is fully saturated and free water may be present.
The sensor features an analog 4-20 mA output and a Modbus RTU (RS485) digital interface, allowing easy integration with monitoring and control systems.
Yes, the sensor is ideal for use in marine engines, hydraulic systems, turbines, and industrial lubrication systems, where continuous oil monitoring is essential.
The sensor is compatible with lubricating oils, hydraulic oils, and turbine oils, making it suitable for a wide range of applications.
The sensor is factory-calibrated and does not require regular calibration. However, verification against reference samples can be performed if needed.
The sensor is designed for long-term operation with minimal maintenance. Regular checks of system functionality and occasional cleaning of the sensor tip (if exposed to oil contamination) may be required.
At Insatech, we are proud to offer our high-quality products to all customers worldwide. Whether you’re an end customer, a reseller, or an agent, you can purchase directly from us.
By choosing us, you gain direct access to all our products, eliminating the need for intermediaries. Our global distribution possibilities ensure fast and reliable delivery to your doorstep, wherever you are.
We strive to make it easy for you as an end consumer to find the products you are looking for while supporting agents and resellers looking to grow their business. Whether you’re buying for your use or resale, we’re here to meet your needs.
Discover how simple it is to work directly with a trusted global distributor – shop with confidence at Insatech today!
| Technical Specifications FRG00035 | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Output interface | I: I2C R / N (Note 1): RS232 C: Relay (2x) A: Analog (2x) AC (Note 2): Analog (2x) / Relay (3x) |
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| Output information | I: Humidity, Temp., PAV, MAV R / N (Note 1): Humidity, Temp., PAV, MAV C: PAV, MAV A: Humidity, Temp. AC (Note 2): Humidity, Temp., PAV, MAV, STATUS |
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| Output characteristics | I: Serial R / N (Note 1): Serial C: Analog 4 ... 20mA / load max. 500 Ω. Relay max. 500mA A: Analog 4 ... 20mA / load max. 500 Ω. Relay max. 500mA AC (Note 2): Analog 4 ... 20mA / load max. 500 Ω. Relay max. 500mA |
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| Accuracy of humidity measurement | ±3% |
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| Pressure resistance against medium | 10 bar |
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| Protection degree | IP67 |
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| Power supply | I: 5 VDC ± 5% R / N (Note 1): 18 ... 32 VDC, max. perm. ripple ≤ 5% C: 18 ... 32 VDC, max. perm. ripple ≤ 5% A: 18 ... 32 VDC, max. perm. ripple ≤ 5% AC (Note 2): 18 ... 32 VDC, max. perm. ripple ≤ 5% |
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| Current consumption | < 50mA |
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| Polarity protection | yes |
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| Cable length | I: max. 50m R / N (Note 1): max. 25m C: max. 50m A: max. 50m AC (Note 2): max. 50m |
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| Certificates | Class approval DNV |
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| Dimensions | Standard shaft length: 68 mm/ 138 mm (others on request), see drawing Connecting thread: outer thread G ¾ (inner thread G ¾ on demand) |
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| Notes | 1) R = Short circuit protected (SCP)/ N = Non-SCP; Only for HORN-Bearing Distance Monitoring System (BDMS) 2) Only in combination with GHG02088-5 |
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| Technical Specifications MPU010-I-K | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power supply | 8 ... 32 VDC, max. permissible ripple ≤ 5 % (protected by automatic fuse) 2 power supply inputs (redundancy) |
||||||||||||||||||
| Power consumption | approx. 10 W |
||||||||||||||||||
| Polarity protection | Yes |
||||||||||||||||||
| Operating/ Storage temperature | -25 ... +85 °C |
||||||||||||||||||
| Relative humidity | < 90 %, non-condensing |
||||||||||||||||||
| Weight | Approx. 1000 g. |
||||||||||||||||||
| Protection degree | IP 67 |
||||||||||||||||||
| EMC-standard | DIN EN 55016 and DIN EN 55022, safety rules acc. EN 61000-4, -6 rules for type approval test accord. GL |
||||||||||||||||||
| Connection to PE | Copper mesh band |
||||||||||||||||||
| Cable glands | M12 for sensor |
||||||||||||||||||
| Sensor interface | I2C |
||||||||||||||||||
| Relays | PAV (pre-alarm-value), MAV (main-alarm-value), STATUS |
||||||||||||||||||
| Analog output | current output or voltage output (details configurable: 4-20 mA or 0-10 VDC, others on request), galvanic isolated, user selectable |
||||||||||||||||||
| Current output load | max.1200 Ω |
||||||||||||||||||
| Ethernet | Transmission rate max. 100 Mbit/s, galvanic isolated, IP-Address adjustable |
||||||||||||||||||
| CAN | Transmission rate 20 kBaud ... 1 Mbaud, galvanic isolated, Node ID adjustable 1...127 |
||||||||||||||||||
| Configuration/ display | CAN open-protocol / Web page over ethernet |
||||||||||||||||||
| Technical Specifications MPU010-I-G | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power supply | 8 ... 32 VDC, max. permissible ripple ≤ 5 % (protected by automatic fuse) 2 power supply inputs (redundancy) |
||||||||||||||||||
| Power consumption | approx. 10 W |
||||||||||||||||||
| Polarity protection | Yes |
||||||||||||||||||
| Operating/ Storage temperature | -25 ... +85 °C |
||||||||||||||||||
| Relative humidity | < 90 %, non-condensing |
||||||||||||||||||
| Weight | Approx. 1000 g. |
||||||||||||||||||
| Protection degree | IP 67 |
||||||||||||||||||
| EMC-standard | DIN EN 55016 and DIN EN 55022, safety rules acc. EN 61000-4, -6 rules for type approval test accord. GL |
||||||||||||||||||
| Connection to PE | Copper mesh band |
||||||||||||||||||
| Cable glands | M12 for sensor |
||||||||||||||||||
| Sensor interface | I2C |
||||||||||||||||||
| Relays | PAV (pre-alarm-value), MAV (main-alarm-value), STATUS |
||||||||||||||||||
| Analog output | current output or voltage output (details configurable: 4-20 mA or 0-10 VDC, others on request), galvanic isolated, user selectable |
||||||||||||||||||
| Current output load | max.1200 Ω |
||||||||||||||||||
| Ethernet | Transmission rate max. 100 Mbit/s, galvanic isolated, IP-Address adjustable |
||||||||||||||||||
| CAN | Transmission rate 20 kBaud ... 1 Mbaud, galvanic isolated, Node ID adjustable 1...127 |
||||||||||||||||||
| Configuration/ display | CAN open-protocol / Web page over ethernet |
||||||||||||||||||
| Technical Specifications GHG02088-5 | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power supply | 8 ... 32 VDC, max. permissible ripple ≤ 5 % (protected by automatic fuse) 2 power supply inputs (redundancy) |
||||||||||||||||||
| Power consumption | approx. 2 W |
||||||||||||||||||
| Polarity protection | Yes |
||||||||||||||||||
| Operating/ Storage temperature | -25 ... +85 °C |
||||||||||||||||||
| Relative humidity | < 90 %, non-condensing |
||||||||||||||||||
| Weight | Approx. 700 g. |
||||||||||||||||||
| Protection degree | IP 67 |
||||||||||||||||||
| EMC-standard | DIN EN 55016 and DIN EN 55022, safety rules acc. EN 61000-4, -6 rules for type approval test accord. GL |
||||||||||||||||||
| Connection to PE | Copper mesh band |
||||||||||||||||||
| Cable glands | M16 for sensor |
||||||||||||||||||
| Sensor interface | AC |
||||||||||||||||||
| Relays | PAV (pre-alarm-value), MAV (main-alarm-value), STATUS |
||||||||||||||||||
| Analog output | current output (4-20 mA), galvanic isolated |
||||||||||||||||||
| Current output load | max. 500 Ω |
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