Description
Calibration, Temperature Measurement & Compliance
The Honeywell HERMetic UTImeter Otex, available through SMTS Singapore (SMTSSG), features a factory-calibrated sensor designed to maintain reliable measurement performance without requiring routine recalibration. Its integrated RTD temperature probe stores calibration characteristics within the sensor and transmits accurate temperature readings to the electronic unit. Replacing the sensor or measuring tape does not require recalibration.
Standards & Regulatory Compliance
The HERMetic UTImeter Otex is designed to comply with relevant industry standards and regulatory requirements, including:
- ISO Standards: ISO 4512, ISO 3170 and ISO 4268
- API Standards: MPMS Chapters 3.1A, 7, 8.1 and 17.11
- IP Standards: Petroleum Measurement Manual, Parts III-1 and IV
- EC Directives: 89/336/EEC (EMC), 94/9/EC and 96/98/EC, as specified in the manufacturer’s documentation
Approvals & Certifications
The instrument has been documented with approvals or certifications associated with national authorities and industry organizations, including USCG, MSA, GOST-R, major classification societies, ATEX, IECEx, Factory Mutual, NEPSI and applicable GOST standards.
SMTS Singapore (SMTSSG) supports marine and industrial customers with access to Honeywell HERMetic tank gauging equipment for petroleum and chemical storage applications. Contact our team for product availability, technical specifications and assistance selecting the right tank gauging solution.
Honeywell’s HERMetic UTImeter Otex allows static verification of the liquid level in a tank and continuous temperature reading of the liquid with high repeatability, thanks to the electronic detection principle. The fully modular unit ensures accuracy and stability, while reducing maintenance costs for users.
Key Features & Measurement Functions
- Ullage Measurement: Measures the distance between the liquid surface and the tank reference point.
- Temperature Measurement: Integrated RTD sensor for reliable liquid temperature readings.
- Oil-Water Interface Detection: Helps identify free water beneath petroleum products.
- Innage / Reference Height: Supports manual detection of the tank datum plate.
- Audible & Visual Indication: Selectable alerts for measurement operations.
- Automatic Gauge Verification: Suitable for checking and verifying automatic tank gauging systems.
- Modular Design: User-replaceable tape, sensor and instrument unit, with no recalibration required after sensor replacement, as specified by the manufacturer.
Technical Specifications
Mechanical & Physical Properties
- Standard sensing probe: 1-inch probe.
- Optional configuration: 2-inch load for highly viscous products or manual dip-plate detection.
- Sensor construction: Stainless steel tube with PEEK head.
- Sensing technology: Ultrasonic liquid level sensor, RTD temperature sensor and conductivity electrode.
- Tape lengths: 15 m (50 ft), 30 m (100 ft) and 35 m (115 ft).
- Tape graduation: Metric or English units.
- Tape accuracy: ±1.5 mm per 30 m (approximately ±1/16 inch per 100 ft).
Measurement Performance
- Ullage and interface measurement accuracy: ±2 mm (approximately ±0.08 inch).
- Temperature accuracy: ±0.1°C from 0°C to 70°C.
- Temperature resolution: Selectable 0.01° or 0.1°.
- Temperature units: Selectable °C or °F.
- Display: Backlit 8-character LCD.
- Indication: Selectable audible and visual signals.
Operating & Environmental Conditions
- Sensor temperature range: −40°C to +90°C (−40°F to 194°F).
- Ambient operating temperature: −20°C to +50°C (−4°F to 122°F).
- Power supply: Approved 9V batteries.
- Tank operation: Restricted open gauging through an open gauging hatch.
- Maximum tank overpressure: Not specified in the supplied Otex specifications; confirm permissible operating conditions with the manufacturer before use.
Hazardous Area Approvals & Certifications
The supplied specifications list the following hazardous-area approvals:
- ATEX: II 1 G EEx ia IIB T4, Tamb 50°C.
- China CQST: Ex ia IIB T4.
- Factory Mutual: Class I, Division 1, Groups C and D, T4; and Class I, Zone 0, AEx ia IIB T4, Tamb 50°C.
- IECEx: Zone 0, Ex ia IIB T4, Tamb 50°C.
Industry Standards
The instrument documentation references the following standards and requirements:
- API MPMS: Chapters 3.1A, 7 and 8.1.
- ISO: 4512, 3170 and 4268.
- IP Petroleum Measurement Manual: Parts III-1 and IV.
- EC Directives: Referenced directives in the applicable manufacturer documentation.
Note: Confirm the current certification status and applicable standards for the specific instrument model and configuration before purchase or installation.
Applications
The Honeywell HERMetic UTImeter Otex is suitable for:
- Petroleum and chemical storage tanks.
- Shore tank inventory measurement.
- Custody transfer operations.
- Free water detection in storage tanks.
- Manual tank gauging and reference-height verification.
- Calibration and verification of automatic tank gauging systems.
Why Choose SMTS Singapore (SMTSSG)?
SMTS Singapore supports marine and industrial customers with tank gauging equipment and measurement solutions for petroleum and chemical storage applications. Contact our team for product availability, technical specifications, configuration options and assistance selecting the appropriate Honeywell HERMetic UTImeter instrument.
Enquire today about the Honeywell HERMetic UTImeter Otex for your tank gauging requirements.
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