The Servo Tank Gauge is a high-precision measuring instrument developed based on microelectronics and servo motor drive technology. It provides accurate measurements of liquid level, interface level, density, and multi-point average temperature. It is ideal for inventory management and real-time monitoring of hazardous storage tanks.
This explosion-proof design instrument is suitable for use in flammable and explosive environments, including industries such as petroleum, petrochemicals, electric power, chemicals, pharmaceuticals, and food processing.
Product Features
- Simple installation and modular design with self-diagnosis capabilities
- High measurement accuracy and strong environmental adaptability
- Measurement not affected by sediment or foam on the liquid surface
- One device supports liquid level, interface level, and density measurement & remote display
- Compatible with multi-point temperature probes for layered data collection
- Supports local tank-side display units and remote temperature visualization
- Communication: 4-20mA/HART, RS485 MODBUS
- LCD display with backlight, bilingual (English/Chinese) menu
- High-pressure transparent window for easy maintenance
- Built-in surge protection for lightning and EMI resistance
- Unique weight marking for float position identification
- Integrated calibration chamber, maintenance-free, high reliability
- Suitable for a wide range of tank types and media
Dimension
Typical Applications
- Petroleum Industry:From production to tank farms, supports remote inventory and management systems.
- Chemical Industry:Meets the diverse tank configuration requirements of chemical storage.
- Food & Gas Industry:Suitable for applications like LPG/LNG with multi-parameter measurements.
Technical Specifications
Parameter | Specification |
Power Supply | 24VDC / 220VAC |
Measuring Range | 0–50 meters |
Liquid Level Accuracy | ±1mm / ±0.7mm / ±0.1mm |
Resolution | ±1mm / ±0.1mm |
Interface Accuracy | ±1mm / ±0.7mm / ±0.1mm |
Output Signal | 4-20mA / HART / RS485 MODBUS |
Medium Temperature | ≤ 70°C (customizable) |
Process Pressure | ≤ 1.6MPa / ≤ 4.0MPa (customizable) |
Wiring Mode | 4-wire / 6-wire |
Explosion Proof | ExdIICT6 Gb / ExiaIIBT6 Ga |
Protection Rating | IP66 / IP68 |
Safety Level | SIL3 |
Power Consumption | < 15W |
Electrical Interface | M20×1.5 / NPT1/2 / NPT3/4 |
Contact Capacity | 5A / 250VAC |
Relative Humidity | 95% RH |
Float Material | 316L (standard) |
Wire Material | 316L / Hastelloy C276 (optional) |
Drum Housing | 304 / 316L Stainless Steel |
Process Connection | Flanged (custom sizes) |
Multi-Point Temperature Probe
Parameter | Specification |
Temperature Points | 1 to 20 (customizable) |
Accuracy | ±0.5°C / ±0.1°C |
Electrical Interface | NPT1/2 / NPT3/4 (customizable) |
Process Connection | Flanged or Threaded (customizable) |
Installation Guidelines
- Standard flange installation on the tank top is recommended.
- For stability, a guiding tube is suggested to prevent disturbance from liquid turbulence.
- Install in accessible areas for commissioning and maintenance.
- Avoid installation near inlets to prevent float interference.
