Integrated Transformer Oil Temperature, Level & Pressure Monitor
The IB-YKTCF-OL/OP is an integrated monitoring device designed for oil-immersed distribution transformers. It combines oil temperature measurement, oil level monitoring, internal pressure measurement, and pressure relief functionality in a single compact unit.
The device can be installed at the conventional transformer oil level gauge mounting position, reducing the need for multiple independent instruments. With RS485 communication, IP68 protection, and fast data update, it is suitable for transformer condition monitoring, distribution automation, and remote monitoring applications.
Product Configuration
| Category | Item | Model | Description |
|---|---|---|---|
| Sensor | Integrated Oil Temperature, Level & Pressure Monitor | IB-YKTCF-OL/OP | Oil temperature, oil level, internal pressure monitoring and pressure relief valve integrated in one device |
| Accessory | Communication Cable | M12-L-4B-5M-BWG | Shielded communication cable with M12 connector; standard length: 5 m |
| Accessory | Power Adapter | DR-30-24 | Input: AC 100–240 V, 50/60 Hz Output: DC 24 V / 15 W |
Key Functions
- Transformer oil temperature measurement
- Transformer oil level monitoring
- Transformer internal pressure measurement
- Integrated pressure relief valve
- RS485 communication for remote data transmission
- Fast temperature, oil level and pressure data update
- IP68 protection for outdoor transformer applications
- Compact multi-parameter monitoring design
Technical Specifications
| Specification | Parameter |
|---|---|
| Operating Environment | |
| Ambient Temperature | -40°C to +70°C |
| Relative Humidity | ≤95% RH at 25°C |
| Atmospheric Pressure | 80–110 kPa, default 101 kPa |
| Protection Rating | IP68 |
| Power Supply | |
| Supply Voltage | DC 12–24 V |
| Power Consumption | ≤5 W |
Pressure Relief Valve
| Parameter | Specification |
|---|---|
| Opening Pressure | 35 ± 5 kPa above standard atmospheric pressure |
| Closing Pressure | ≥19 kPa |
| Sealing Pressure | ≥21 kPa |
| Pressure Relief Outlet Diameter | Ø25 mm |
Oil Temperature Measurement
| Parameter | Specification |
|---|---|
| Measurement Range | -45.0°C to +200.0°C |
| Accuracy | -45.0°C to +100.0°C: ±2°C +100.0°C to +200.0°C: ±2% |
| Resolution | 0.1°C |
Pressure Measurement
| Parameter | Specification |
|---|---|
| Measurement Range | 71–181 kPa absolute pressure |
| Accuracy | ±2 kPa |
| Resolution | 1 kPa |
Data Update
| Monitoring Parameter | Update Time |
|---|---|
| Oil Temperature | ≤0.2 s |
| Oil Level | ≤0.2 s |
| Pressure | ≤0.2 s |
RS485 Communication
| Parameter | Specification |
|---|---|
| Communication Interval | ≥0.2 s |
| Device Address | 1–247, default: 1 |
| Baud Rate | 1200, 2400, 4800, 9600, 19200, 38400 bps; default: 9600 bps |
Device Structure
| Component | Function |
|---|---|
| Waterproof Protective Cover | Protects the upper assembly from water, dust and environmental exposure |
| Pressure Relief Valve | Releases excessive internal transformer pressure when the preset pressure is reached |
| M12 Connector | Provides power and communication connection |
| Oil Level Viewing Window | Provides local visual indication of transformer oil level |
| Housing | Protective mechanical enclosure for the monitoring assembly |
| M52 × 2 Mounting Thread | Mechanical connection for installation on the transformer tank |
| Oil Level Float | Detects transformer oil level changes |
| Temperature Sensor | Measures transformer oil temperature |
Installation
The IB-YKTCF-OL/OP is designed to be installed at the mounting position traditionally used for a transformer oil level gauge. The recommended installation location is close to the side edge of the transformer tank.
A 68–72 mm hook spanner is recommended for installation. The communication cable connects the monitoring device to the data acquisition terminal or monitoring gateway, while the power adapter can be installed inside the distribution or control cabinet.
| No. | Component | Installation Description |
|---|---|---|
| 1 | Monitoring Device | Installed on the transformer tank at the conventional oil level gauge mounting position |
| 2 | Communication Cable | Connects the monitoring device to the remote monitoring or data acquisition equipment |
| 3 | Data Acquisition Terminal and Power Adapter | Typically installed inside the distribution or control cabinet |
| 4 | Transformer | Oil-immersed transformer being monitored |
Standards and Certifications
| Category | Standard / Certification |
|---|---|
| Manufacturing Standard | Q/IB 0001-2024 Enterprise Standard |
| Quality Management | ISO 9001:2015 |
| Environmental Management | ISO 14001:2015 |
| Occupational Health & Safety | ISO 45001:2018 |
| EMC Test Standard | IEC 61000-4:2005 |
| EMC Testing and Measurement | GB/T 17626-2008 |
| Referenced Standards | DL/T 1498.1-2016; Q/GDW 1535-2015; DL/T 1432.1-2015 |
Typical Applications
- Oil-immersed distribution transformers
- Pole-mounted and pad-mounted transformers
- Smart distribution transformer monitoring
- Transformer condition monitoring systems
- Distribution automation systems
- Remote transformer monitoring platforms
- Utility distribution networks
- Industrial power distribution systems
Why Use an Integrated Transformer Monitoring Device?
Traditional transformer monitoring may require separate instruments for oil temperature, oil level, internal pressure, and pressure relief. The IB-YKTCF-OL/OP combines these functions into one compact device, simplifying installation and reducing the number of components installed on the transformer tank.
Continuous digital monitoring also allows transformer operating data to be transmitted to remote monitoring systems, helping utilities and industrial users improve visibility of transformer operating conditions.
FAQ
What does the IB-YKTCF-OL/OP monitor?
The IB-YKTCF-OL/OP monitors transformer oil temperature, oil level, and internal pressure. It also integrates a pressure relief valve into the same device.
Is this device designed for oil-immersed transformers?
Yes. The device is primarily designed for oil-immersed distribution transformers and similar transformer applications requiring integrated oil temperature, oil level, and pressure monitoring.
Where is the monitor installed?
It is typically installed at the mounting position used for a conventional transformer oil level gauge. The device uses an M52 × 2 mounting thread.
What is the oil temperature measurement range?
The oil temperature measurement range is -45.0°C to +200.0°C, with a resolution of 0.1°C.
What is the pressure measurement range?
The pressure measurement range is 71–181 kPa absolute pressure, with an accuracy of ±2 kPa and a resolution of 1 kPa.
Does the device include a pressure relief valve?
Yes. The pressure relief valve is integrated into the device. Its opening pressure is 35 ± 5 kPa above standard atmospheric pressure.
Does the device support RS485 communication?
Yes. RS485 communication is supported for integration with data acquisition terminals, gateways, PLC systems, SCADA systems, and other remote transformer monitoring platforms.
What baud rates are supported?
Supported baud rates include 1200, 2400, 4800, 9600, 19200, and 38400 bps. The default baud rate is 9600 bps.
How quickly are monitoring values updated?
Oil temperature, oil level, and pressure data can each be updated within 0.2 seconds.
Is the device suitable for outdoor installation?
Yes. The device has an IP68 protection rating and is designed for operation in ambient temperatures from -40°C to +70°C.
Can the monitor be integrated with a transformer monitoring system?
Yes. Through RS485 communication, the device can be connected to a data acquisition terminal, monitoring gateway, PLC, SCADA system, or centralized transformer condition monitoring platform.
Custom Transformer Monitoring Solutions
The IB-YKTCF-OL/OP provides an integrated solution for transformer oil temperature, oil level, pressure monitoring, and pressure relief. Communication cables, system integration, monitoring terminals, and remote communication configurations can be selected according to project requirements.
For quotation and technical selection, please provide the transformer type, installation dimensions, required communication interface, cable length, quantity, and monitoring system requirements.
