Xi'an Yunyi Instrument Co., Ltd
Xi'an Yunyiyibiao Instrument Co., Ltd. is a national high-tech enterprise, specializing in the R&D, production and sales of pressure transmitter,level meter, flow , temperature instrument and
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Tuning Fork Density Meter – Product Description
Operating Principle
The tuning fork density meter adopts advanced foreign frequency tracking technology to deliver high-precision density measurement based on the vibration principle. Its plug-in installation design enables flexible application in pipelines, open tanks, and closed vessels for reliable medium density detection.
Sensor Structure
Dual piezoelectric crystal configuration
One crystal for vibration excitation, the other for detection
Integrated temperature sensor for real-time compensation
Built-in temperature compensation ensures accuracy across varying conditions
Key Features
High precision and wide applicability
Suitable for pipeline, open tank and closed vessel installation
Robust vibration-based measurement principle
Minimal maintenance requirements
Applications
Ideal for continuous density measurement in petroleum, chemical, pharmaceutical, food and beverage industries where reliable process monitoring is essential.
This compact and versatile instrument provides stable performance even in challenging process conditions, making it suitable for various industrial density measurement applications.
Detailed Images Tuning Fork Density Meter
Specification Tuning Fork Density Meter
| Density range : | 0-3 g / CM3 (3 /2.5/ 2 /1.5/ 1) |
| Output: | 4-20 mA 4-wire ( 2-wire system can not be used) |
| Accuracy: | 0.001 g / cc, with a resolution of 0.0001 g / cc |
| Insertion depth : | (flange distance to the end of the fork, minimum 125 mm, up to 2 meters) |
| Wetted material: | stainless steel, Hastelloy C22, 400 manganese alloys, titanium, etc. |
| Fork Coating: | standard, PTFE or electrolytic polishing |
| Power supply: | 20 - 28 VDC, 35 - 45mA |
| Operating temperature range: | -50 ℃ ~ + 200 ℃ |
| Maximum working pressure: | 20Mpa |
| Fluid viscosity range: | 0 - 20000 cP |
| Temperature coefficient: | 0.1 kg / m3 / ℃ (corrected) |
| Process connection: | 1.5 "NPT threaded connection; DIN 50 PN40 and PN100 flange connection; |
| Protection: | IP65 |
| Display: | Up density value, the density value can be switched to kg / cubic meter or g / cc by unit keys. Down display a temperature value (measured medium temperature ) temperature is original PT1000 |
| Accessory: | temperature of 4-20mA output signal |
The internal circuit board with automatic filtering function, other vibrations like pipe vibrations can eliminate away from the side of circuit and software,which ensure accuracy.
Tuning Fork Density Meter – Features & Applications
Technical Features
Premium Piezoelectric Components
German piezoelectric ceramics with gold-plated process
Enhanced corrosion resistance and extended service life
High-Precision Sensing Technology
Japanese high-performance vibration core with 24-bit AD converter
Frequency recognition accuracy: 0.01 Hz
Ensures superior density measurement sensitivity and accuracy
Traceable Calibration System
Calibrated using national standard density solutions
Guaranteed measurement traceability and accuracy
Advanced Circuit Design
Independent circuits for vibration and current measurement
Built-in isolation and anti-interference protection
User-Friendly Functions
Three-point quick calibration
Adjustable measurement ranges
On-site current calibration capability
Stable Performance
Unaffected by temperature, pressure, or flow variations
Minimal measurement error factors
Ideal for power plant and precision applications
Industry Applications
Ore slurry density/concentration monitoring in mineral processing
Syrup density measurement in food processing
Starch emulsion dry mass concentration detection
Lime slurry density monitoring in desulfurization systems
Ammonia concentration measurement in denitration projects
Concentrated solution density control in pharmaceutical production
Alcohol-water mixture concentration analysis
General pipeline and tank density measurement across industries
This robust instrument combines international premium components with intelligent design to deliver reliable density measurement solutions for various industrial processes
Contact US
Xi'an Yunyi Instrument Co., Ltd
E-mail:sales.888@shelok.com
Add.: Room B11003, 10th Floor, Sihai Center, No. 424, Taihua North Road, Weiyang District, Xi'an 710021, Shaanxi,China