Crude oil hydrometer mud online vibrating tuning fork density meter transmitter ODM
The plug-in density meter adopts plug-in installation and is widely used in pipelines, open tanks and closed tanks to detect the density of the medium in the tank. The density of the fluid directly depends on the vibration frequency received by the tuning fork in the sensor inserted into the medium. The built-in temperature sensor of the sensor provides temperature compensation for it.
Semi-finished circuit board
Tuning fork density meter parameter specification table |
|
model |
APX301 |
Measuring range |
0 – 2.5 g /cc (0 – 2500 kg/m3),0~100.0% |
Calibration range |
0 – 2.5 g /cc (0 – 2500 kg/m3),0~100.0% |
measurement accuracy |
± 0.001 g /cc (± 1 kg/m3),±0.1% |
Operating temperature range |
20-80℃ |
Working pressure |
2mpa |
Fluid viscosity range |
0 – 600 cP |
Built-in temperature sensor |
Digital sensor |
Sensor material |
316L/316 stainless steel sprayed PTFE |
Material of connecting rod and flange |
316L/316 stainless steel sprayed PTFE |
Power supply |
24VDC,≥50 mA |
Analog signal output |
4-wire system/4 -20 Ma/Modbus485 |
Process connection |
DN50 PN16 20592 |
Protection level |
IP65 |
Electrical Interface |
M20*1.5 |
shell |
Aluminum alloy |
length |
150MM |
Explosion-proof grade |
Exd IICT6 Gb |
Explosion-proof certificate number |
SYEx20.03186 |
Installation requirements |
The minimum is DN150, the flow velocity is less than 5m/S, and the measuring position is full without bubbles |
Scope of application: The plug-in density meter can perform real-time online density detection. It can be used for process control of products with density as the basic parameter or quality control with solid percentage or concentration percentage as a reference. Typical industries include petrochemical industry, wine industry, food industry, pharmaceutical industry and mineral processing (such as clay, carbonate, silicate, etc.), which are specifically used in the interface detection and mixing of multi-product pipelines in the above industries The density detection, the end-point monitoring of the reactor, the interface detection of the separator. The sensor works based on the principle of component vibration, and the component part is the tuning fork part immersed in the measured liquid. The tuning fork part induces vibration through an internal piezoelectric device fixed at the bottom end of the fork body. The oscillation frequency is detected by a secondary piezoelectric device fixed at the other end of the fork body, and then the signal is amplified by the circuit on the top. The density of the liquid is closely related to the vibration frequency when the measured liquid flows. When the density of the measured liquid changes, the vibration frequency when the liquid flows also changes. Through the following equation, the density of the measured liquid can be accurately calculated.
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