Home > CATALOG > Process Instrumentation > Density / Concentration > Direct Insertion Density Meter
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TDF Series

Direct Insertion Density Meter for Pure Liquids, Solids mixed Liquids
  • Overview
  • Brief Tech-Parameter

TDF Tuning Fork Density Meter could apply the on-line density testing. It could be applied in the product process controlling based on the basic parameters of density, or the mass controlling system as the solid percentage or the concentration for references.

Typical Industries include petroleum chemical industry, wine industry, food industry, pharmaceutical industry and mineral processing, (for example clay, Carbonate Carbon, Silicate, etc.). The Fork Density Meters are applied in the pipeline detection of the multiple medium of the industries listed above, density testing of the stirred mixture, the reaction kettle end monitoring, and the separator interface detection.

TDF density meter fully integrates digital density measurement for monitoring and control; Capable of direct insertion into large bore pipe work applications, substantially reducing the installation cost compared to flow through devices;

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