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Liquid Density Meter

Tuning Fork Density Meter
  • Overview
  • Brief Tech-Parameter

TDF Series Tuning Fork Density Meter is an in-line density meter. It adopts the advanced technology of vibration to deliver the accurate and stable performance on liquid density measurement.

Typical Industries TDF Series density meter served include petroleum chemical industry, wine industry, food industry, pharmaceutical industry and mineral processing, (e.g. slurry, tailings, pulp, etc.). The tuning fork density meters are convenient for pipe-mounting, tank-mounting. 

Compared to other types of density meters (coriolis flow meter, ultrasonic density meter, gamma-ray density meter), the tuning fork density meters are cost-saving, easy-installation and stable in performance for normal application fields.

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General Technical Parameters
Density Range 0.5 – 2.5 g /cc (500 – 2500 kg/m3)
Calibration Range 0.8 – 1.2 g /cc (800 – 1200 kg/m3)
Accuracy ± 0.002 g /cc (± 2 kg/m3)
Repeatability ± 0.0002 g /cc (± 0.2 kg/m3)
Temperature Range (Process) -20 ~ +150 Degree Celsius (0C)
Pressure Rating 10MPa ~ 20MPa
Viscosity Range 0 – 20000 cP
Temperature Effect Less than 0.1 kg/m3/0C (After Calibration)
Impact from Pressure Negligible
Built-in Temperature Sensor PT100
Wetted Parts Stainless Steel 316L/ HC Hastelloy
Tine Finish Standard , PFA Coated, or Electro-Polished
Power Supply 24VDC,≥500 mA
Analog Output 4 -20 mA,0-1000Hz,RS485 Modbus RTU
Density Accuracy - Process(20 oC) ± 0.1% or ± 0.05% FS of indicated figures
Repeatability - Process(-40 ~85 oC) ± 0.05% F.S.
Process Connection ANSI 150 ~ 1500 RF
DIN 50 PN16 DIN 50 PN40
IDF and RJT Hygienic Type
Class of Protection IP65
Ex-Proof Exd IIB T5 Gb
Outer Covering Aluminum Alloy