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Ensure precise ullage and temperature readings in your marine tank gauging operations with our genuine replacement MMC D2401-2 UTI Gauging Tape. This 15-meter Ullage Temperature Interface (UTI) Detector is a direct, OEM-compatible spare part designed to restore the full functionality of your MMC tank level system. Engineered for accuracy, durability, and seamless integration, this tape is the trusted solution for marine engineers and service technicians worldwide.
| Specification Category | Details |
|---|---|
| Compatible Model | MMC D2401-2 UTI Gauging System |
| Product Type | UTI (Ullage Temperature Interface) Tape / Detector |
| Tape Length | 15 meters (50feet) |
| Measured Parameters | Ullage (Liquid Level) and Temperature |
| Connector Type | MMC-specific D2401-2 Connector |
| Application | Marine Tank Gauging for Fuel, Ballast, Cargo Oils, and Chemicals |
Key Features & Benefits:
Direct MMC D2401-2 Replacement: Precisely manufactured to match the original specifications of the MMC D2401-2 UTI Tape, ensuring perfect connector fit, signal integrity, and immediate operational readiness upon installation.
Integrated Ullage & Temperature Sensing: Functions as a complete Ullage Temperature Interface Detector, providing simultaneous measurements of liquid level (ullage) and temperature, which are critical for accurate volume calculations and cargo management.
Rugged 15-Meter Marine Tape: The robust, 15-meter (approximately 49-foot) tape is built to withstand the corrosive marine environment, including exposure to seawater, hydrocarbons, and physical abrasion during routine sounding operations.
Factory Pre-Calibration: Each replacement tape is calibrated to deliver reliable and accurate data from the first use, minimizing vessel downtime and eliminating complex field calibration procedures.
Maintain System Compliance: By using a high-quality replacement, you ensure your tank gauging system continues to meet industry standards for accuracy in custody transfer, bunkering, and tank inventory management.
Cost-Effective Repair Solution: Avoid the high cost of replacing the entire instrument. This MMC UTI Tape Replacement offers a swift and economical repair, extending the life of your existing MMC D2401-2 system.
special characteristics
The UTI detector is a portable liquid level gauge that is commonly used in the shipping industry to measure the amount of hydrocarbons and chemicals in a ship's tank. This device includes a sensor probe, measurement tape, display unit, and winding drum. Its primary purpose is to determine the temperature and oil-water interface on tankers by attaching the sensor probe to the measurement tape, which can vary in length from 15m to 40m. Manufacturers offer a temperature range between -40°C and 110°C. All UTI meters have earth grounding capabilities for safety purposes.
Note: It is very important that the Ullage Temperature Interface system is grounded to the tank before the probe is introduced into the tank and remains grounded until after complete withdrawal from the tank.
How does Ullage Temperature Interface (UTI) work?
In the following paragraphs, we will introduce how the ullage, temperature and oil-water interface are detected onboard:
The ullage detector of the UTI integrates two elements (1) electronic circuits and (2) two piezoceramic plates. When the sensor head reaches the oil or petroleum, an ultrasonic sound is emitted. The receiver processes and sends this sound to the instrument unit that emits a continuous beep sound.
The sensing component of the UTI detector is a Platinum Resistance Temperature Detector (RTD). This element is situated in the temperature electrode that is filled with a heat transfer compound paste to hasten the latency. After digitizing the RTD element signal, the micro-controller in the sensor probe corrects and compensates for any errors. The RTD element's attributes are saved in the sensor memory and are exclusively for that sensor, so a new calibration is not required when replacing the sensor. The micro-controller sends the data to the Display Unit that can be read by the technician.
The operating principle for oil-water interface level detection of the UTI detector involves measuring conductivity between an active electrode and a grounded electrode. When the liquid measured is conductive (e.g., water), the ullage sensor detects its existence. Afterwards, the conductivity electrodes and their related electronic circuits modify the coded signal generating an intermittent beep sound.
UTI meters can be either open or closed types, with the latter having a gas-tight body to prevent hazardous gases from escaping the measurement tank.
ULLAGE TEMPERATURE INTERFACE DETECTOR is necessary for cargo tanker and it is designed for measuring the ullage level, the oil-water interface level, the temperature sampling the cargo.

Suitable for ULLAGE INTERFACE TEMPERATURE DETECTOR
Who Is This For?
This is an essential spare part for:
Marine Engineers and Ship Crews responsible for onboard tank sounding and management.
Port Surveyors and Bunker Operators conducting custody transfer measurements.
Service Technicians specializing in the repair and calibration of marine instrumentation.
Fleet Management Companies maintaining operational efficiency and safety across their vessels.
Common Use Cases:
Replacing a worn, damaged, or faulty UTI tape in an MMC D2401-2 system.
Carrying out scheduled maintenance to ensure continuous measurement accuracy.
Keeping as a critical onboard spare to prevent operational delays during equipment failure.



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