Digital Oil Tank Gauge
Digital Oil Tank Gauge is used for underground fuel storage tanks at gas stations to monitor fuel level, water level, temperature and inventory. The system supports tank volume calculation, level alarms and RS-485 connection to a monitoring system.
Product Overview
Digital Oil Tank Gauge is used for underground fuel storage tanks at gas stations to monitor fuel level, water level, temperature and inventory. The system supports tank volume calculation, level alarms and RS-485 connection to a monitoring system.
Technical Specifications
|
Parameter |
Specification |
|
Product Type |
Digital Oil Tank Gauge |
|
Measuring Range |
500–6000 mm |
|
Measurement Accuracy |
±0.5 mm |
|
Repeatability |
±0.2 mm |
|
Oil Level Resolution |
0.01 mm |
|
Water Level Resolution |
0.01 mm |
|
Temperature Measurement Points |
5 |
|
Temperature Sensor Resolution |
0.0625°C |
|
Upper Blind Spot |
60 mm |
|
Lower Blind Spot |
50 mm |
|
Output Mode |
RS-485 |
|
Maximum Communication Distance |
1200 m |
|
Communication Address |
2 digits, e.g. 01–99 |
|
Power Supply |
24 VDC |
|
Product Power Consumption |
≤60 mA |
|
Operating Temperature |
-30°C to +60°C |
|
Explosion-Proof Mark |
Ex ia IIAT5 Ga |
|
Associated Equipment |
Zener-type safety barrier |
|
Protection Class |
IP67 |
|
Suitable Media |
Gasoline, paraffin, diesel, light oil, heavy oil, methanol, toluene, ethanol, acetic acid, ethyl ester and other applicable liquids |
Tank Level Measurement & Inventory Monitoring
Oil & Water Level Measurement
The digital probe measures oil and water levels with a resolution of 0.01 mm.
Measurement Accuracy & Resolution
Measurement accuracy is ±0.5 mm, with ±0.2 mm repeatability. The 0.01 mm resolution indicates the measurement increment, not accuracy.
Tank Volume & Inventory Calculation
Measured liquid level is converted into tank volume using the configured tank table for inventory monitoring and replenishment planning.
Tank Table Configuration
Tank parameters and tank-table data can be configured to match the actual storage tank and its level-to-volume relationship.
Temperature Monitoring
Five sensing points provide tank temperature data with a resolution of 0.0625°C. Temperature compensation should be confirmed according to the system configuration.
Level Alarms
Upper and lower level thresholds can be configured for tank level alarms.
Inventory Data
The system provides oil level, water level, volume and temperature data, with inventory and delivery records available through the management system.
Probe Configuration & Fuel Compatibility
Measurement Range
Available probe configurations support measurement ranges of 500–6000 mm to match different underground fuel tank depths.
Oil, Water & Temperature Detection
The digital tank probe measures oil level and water level and provides temperature data through five sensing points.
Probe Parameter Setting
Probe-related parameters can be configured according to the installed probe and tank measurement requirements.
Fuel Compatibility
Compatible media include gasoline, paraffin, diesel, light oil, heavy oil, methanol, toluene, ethanol, acetic acid and ethyl ester. Compatibility with other liquids should be confirmed before ordering.
Tank Data Monitoring & Communication Integration
Digital Tank Data
The system collects oil level, water level, tank volume and temperature data for centralized tank monitoring and inventory management.
RS-485 Communication
The gauge uses RS-485 communication to transfer tank data to a connected monitoring or management system. The maximum specified communication distance is 1200 m.
Communication Address
Each gauge can be assigned a two-digit communication address, such as 01–99, for identification within a multi-tank monitoring network.
Reports & Historical Data
The management system supports recording and review of tank measurement, inventory and delivery-related data.
Explosion-Proof Design & Operating Conditions
Explosion-Proof Protection
The gauge is available with Ex ia IIAT5 Ga explosion-proof marking for applicable hazardous-area installations.
Safety Barrier
A safety barrier is required for the probe circuit according to the installation configuration.
Level Alarms
Adjustable upper and lower level thresholds provide alarm notifications when tank levels exceed preset limits.
IP67 Protection
The gauge has an IP67 protection class and an operating temperature range of -30°C to +60°C for the specified operating environment.
Installation Requirements
Tank & Probe Installation
Tank type, dimensions and measurement depth should match the selected probe length and configuration. Confirm the tank mounting opening and probe installation arrangement before installation.
Power & Safety Connection
The gauge requires 24 VDC power. A Zener-type safety barrier is used in the probe circuit and should be installed according to applicable safety requirements.
RS-485 System Connection
The gauge connects to the monitoring or management system via RS-485, with a maximum communication distance of 1200 m. The communication address should match the receiving system.
Hazardous-Area Requirements
The installation environment should meet the applicable hazardous-area requirements for the Ex ia IIAT5 Ga configuration.
Main Interface
Parameter Setting
Tank Settings
Tank Table Generation
Probe Settings
FAQ
Q: Can the gauge be integrated with a new or existing tank monitoring project?
A: Yes. The gauge can be supplied for fuel storage tank monitoring projects. System compatibility should be confirmed based on the project's monitoring architecture and interface requirements.
Q: What information should be provided when requesting a quotation?
A: Provide the tank quantity, tank dimensions, stored liquid, required measurement depth and intended monitoring system so the configuration and quotation can be checked accurately.
Q: Can one project use gauges for multiple storage tanks?
A: Yes. Multiple tank gauges can be configured within a tank monitoring installation, with each device assigned its own communication address.
Q: Does the product support inventory and delivery record management?
A: Yes. The management system can retain inventory and delivery-related data for subsequent review and reporting.
Q: What should be confirmed before replacing an existing tank gauge?
A: Confirm the existing tank dimensions, probe installation arrangement, power supply, communication interface and monitoring-system compatibility before replacement.
Q: What is the typical production lead time?
A: The stated production time is generally 15–20 days, depending on order quantity and production schedule. The exact delivery time should be confirmed when placing the order.
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