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UTD series intelligent float liquid (boundary) level transmitter
Overview:UTD type intelligent float liquid (boundary) level transmitter can be used to measure liquid level, boundary level or density, and output 4 ～ 20mA + HART signal. HART communicator compatible
UTD type intelligent float liquid (boundary) level transmitter can be used to measure liquid level, boundary level or density, and output 4 ～ 20mA + HART signal. HART communicator compatible with DLC3000 series intelligent level controller can query, configure, calibrate or test the intelligent level controller. It can also accept the information of a single control loop and can download the information from the field to the control System.
UTD type intelligent float liquid level transmitter is composed of imported original DLC3000 series intelligent liquid level controller and measuring room, measuring mechanism, float, torque tube assembly and so on. The change in the liquid level of the measured medium causes the change in the force position of the pontoon. This change is transmitted to the torque tube assembly, which causes the torque tube to rotate synchronously with the core shaft. At the same time, the magnetic steel component fixed on the torsion tube core shaft undergoes rotational displacement, which changes the magnetic field detected by the Hall effect sensor. The sensor converts magnetic field signals into electrical signals. The DLC3000 series intelligent liquid level controller uses the controller and related electronic circuits to measure process variables, provide current output, drive liquid crystal display (LCD), and provide HART communication capabilities. The controller receives the electrical signal that is compensated and linearized by the ambient temperature, and can also compensate for the change in liquid density due to process temperature changes, and outputs and provides a 4-20 mA current output signal. LCD can display analog output, process variable, process temperature (if RTD is installed), torque tube rotation angle and percentage range of variable, etc.
Main technical parameters:
Power supply voltage: 12 ～ 30V DC; reverse polarity protection inside the controller (controller voltage ≥17.75 V DC during HART protocol communication)
Output signal: 4 ～ 20mA DC (positive action—increasing the liquid level, interface or density to increase the output; or negative effect—increasing the liquid level, interface or density to reduce the output)
Measuring range: 300mm ～ 2500mm (can be produced beyond the range)
Nominal pressure: ≤42.0Mpa
Nominal diameter: DN40 or according to household requirements.
Ambient temperature: -40 ℃ ～ + 80 ℃ (when ≤-30 ℃, the LCD has no display)
Working temperature: -70 ℃ ～ + 400 ℃
Measurement accuracy: 0.5 level
Power supply effect: When the power supply changes between the minimum and maximum values of the specified voltage, the output changes <± 0.2% full scale
LCD display: output current signal, process variable, process temperature, percentage range, torque tube rotation angle
Medium density difference: ≥0.08g / cm3
Torsion tube material: Standard Inconel600, optional Monel, HasetlloyC-276
Material of measuring room: carbon steel, 304, 316L or according to user requirements
Buoy material: 304, 316L or according to user requirements
Flange standard: HG / T20592-2009, HG / T20615-2009 or according to user requirements
Power inlet: 2 NPT1 / 2 (internal thread) or according to user requirements
Explosion-proof type: flameproof ExdⅡCT6, intrinsically safe ExiaⅡCT6
Protection level: IP66
Alarm jumper: Self-diagnosis of faults with inaccurate measurement of process variables, such as faults in electronic modules. Configurable high and low alarms for process variables.
|UTK||YaFeng Float level controller|
|Installation form||C||Side loading||D||Top loading|
|Range-density||Range mm- Density g / cm 3|
|Top flange material||P||304|
|Float ball material||P||304|
|Outer float material||C||Carbon steel|
|Outer float side flange material||20||DN20|
|Outer float side flange sealing surface||Omitted||Raised face|
|RJ||Ring connection surface|
|Selection by product selection table:||Working pressure and temperature of medium:|
|Special wetted material grades:||Instrument installation station number:|
|Flange standard:||Media name and density:|
|Instrument accuracy level:|