Kaidi silicon differential pressure, pressure and liquid level transmitter

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Kaidi KD YF3051 series intelligent high-precision single crystal silicon differential pressure, pressure and liquid level transmitter

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Application:: gas, steam, liquid

Protection Grade：: IP67

Accuracy：: ±0.05%, ±0.075%, ±0.1% (including linearity, hysteresis and repeatability from zero)

Process Pressure：: ±0.05%/10MPa

Process Temperature：: -40℃ ~85℃

Explosion proof certification:: ExdⅡCT6,ExiaⅡCT6

Outer Covering：: Two-wire system 4-20mA, in line with NAMIR NE43 standard, superimposed digital signal (Hart protocol) Choice of linear or square root output

MOQ: 1 SET

Payments:: TT, Paypal, Credit card, Western union

Shipping ways:: Express(DHL,Fedex,TNT,EMS,UPS)/Air/Sea

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OVERVIEW

YF3051 series intelligent pressure/differential pressure transmitter, the central sensing unit adopts the world's leading high-precision silicon pressure, differential pressure sensor technology and packaging process, the single crystal silicon pressure, differential pressure sensor is located at the top of the metal body, away from the contact surface of the medium , To achieve mechanical isolation and thermal isolation; the glass sintered sensor lead achieves high-strength electrical insulation with the metal substrate, which improves the flexibility of electronic circuits and the ability to withstand transient voltage protection. The platinum level accuracy reaches ±0.05%, and the one-way overpressure can reach up to 25MPa. Excellent static pressure performance, the optimal static pressure error can be controlled within ±0.05%/10MPa, the temperature effect is minimal, and the optimal static pressure can be controlled within ±0.04%/10K.

The circuit design adopts a modular design with a microprocessor as the core and assisted by advanced digital isolation technology, so that the instrument has extremely high anti-interference and stability. The Hart protocol is used for communication, which can be remotely operated through a Hart handheld communicator or a computer installed with Hart software to complete the measurement information configuration. At the same time, digital compensation technology is used, and the transmitter is compensated through the built-in temperature sensor to improve the measurement. Accuracy, reduced temperature drift, good long-term stability and high reliability.

The infrared wireless setting and one-key reset function are designed to meet the requirements of safe operation in dangerous occasions. It is very convenient for quick menu operation, and can complete all parameter settings, and comprehensively improve the performance of the transmitter.

ADVANTAGE

⊙Advanced monocrystalline silicon pressure sensor technology and packaging process, carefully developed an ultra-high performance pressure and differential pressure transmitter with international leading technology

⊙The microprocessor is the core and the modular design assisted by advanced digital isolation technology makes the instrument have extremely high anti-interference and stability

⊙Powerful 24-bit ADC achieves high accuracy

⊙Innovative dual compensation technology, true 0.075 high precision

PARAMETER FUNCTION

Range limit	Within the upper and lower limits of the measuring range, it can be adjusted arbitrarily It is recommended to select a range code with the lowest possible turndown ratio to optimize performance
Zero point setting	Zero point and range can be adjusted to any value within the measurement range in the table, as long as: calibration range ≥ minimum range
Influence of installation location	The change of the installation position perpendicular to the diaphragm surface will not cause the zero drift effect. If the installation position and the diaphragm surface change more than 90°,It will cause zero influence in the range of <0.4kPa, which can be adjusted by zero adjustment, no range influence
Output	Two-wire system 4-20mA, in line with NAMIR NE43 standard, superimposed digital signal (Hart protocol) Choice of linear or square root output

Output signal limit	Imin=3.9mA，Imax=21.0mA

Fault warning	If the sensor or circuit fails, the automatic diagnosis function will automatically output 3.9 or 21.0mA (user can pre-set)
Alarm current	Low report mode (minimum): 3.9mA
High report mode (maximum)	21 mA

Alarm current default setting	High report mode

Response time	The damping constant of the amplifier component is 0.1s; the time constant of the sensor is 0.1 to 1.6s, depending on the range and the range ratio. The additional adjustable time constant is: 0～100s

Preheat time	<15s

PERFORMANCE PARAMETER

product-Kaidi KD YF3051 series intelligent high-precision single crystal silicon differential pressu-2

Measuring medium: gas, steam, liquid

Inaccuracy: ±0.05%, ±0.075%, ±0.1% (including linearity, hysteresis and repeatability from zero)

Stability: ±0.1%/3 years

Ambient temperature influence: ≤±0.04%URL/10℃

Influence of static pressure: ±0.05%/10MPa

Power supply: 10～36V DC (24V DC recommended)

Power influence: ±0.001% /10V (10～36V DC), negligible

Reference accuracy of range adjustment: if TD>10 (TD=maximum range/adjustment range) then: ±(0.075×TD)% the square root output accuracy is 1.5 times the above linear reference accuracy

Ambient temperature: -40℃ ~85℃

Measuring medium temperature: -40℃~120℃

Storage temperature: -40℃ ~105℃

Display: LCD, OLED

Display module temperature: -20℃~70℃ (LCD), -40℃~80℃ (OLED)

OVERLOAD AND STATIC PRESSURE

	Range	Unilateral overload (negative end)	Unilateral overload (positive end)	Bilateral static pressure
A	1KPa	1MPa	1MPa	16MPa
B	6KPa	2MPa	2MPa	16MPa
C	40KPa	3MPa	3MPa	25MPa
D	400KPa	10MPa	10MPa	25MPa
E	4MPa	10MPa	10MPa	25MPa

ELECTROMAGNETIC COMPATIBILITY(EMC)

A. Radio frequency radiation test

Test field strength	Frequency Range	EUT placement	Polarization direction	Test results
				Product No.
				24283	24281	24282
3V/m	80MHz-1GHz	Upright	Horizontal polarization Vertical polarization	Inside the test sample Keep the data unchanged Inside the test sample Keep the data unchanged	Inside the test sample Keep the data unchanged Inside the test sample Keep the data unchanged	Inside the test sample Keep the data unchanged Inside the test sample Keep the data unchanged

B. Power frequency magnetic field immunity test

Magnetic field strength	Test Result
	Product No.
	24283	24281	24282
400A/m（X、Y、Z）	The memory data of the tested sample remains unchanged	The memory data of the tested sample remains unchanged	The memory data of the tested sample remains unchanged