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

Kaidi KD YF3051 series intelligent high-precision single crystal silicon differential pressure, pressure and liquid level transmitter
  • Kaidi KD YF3051 series intelligent high-precision single crystal 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 settingZero 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 locationThe 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 limitImin=3.9mAImax=21.0mA
Fault warningIf the sensor or circuit fails, the automatic diagnosis function will automatically output 3.9 or 21.0mA (user can pre-set)
Alarm currentLow report mode (minimum): 3.9mA
High report mode (maximum)21 mA
Alarm current default settingHigh 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: 0100s

Preheat time<15s


PERFORMANCE PARAMETER

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: 1036V DC (24V DC recommended)

Power influence: ±0.001% /10V (1036V 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
A1KPa1MPa1MPa16MPa
B6KPa2MPa2MPa16MPa
C40KPa3MPa3MPa25MPa
D400KPa10MPa10MPa25MPa
E4MPa10MPa10MPa25MPa


ELECTROMAGNETIC COMPATIBILITY(EMC)

A. Radio frequency radiation test


Test field strengthFrequency RangeEUT placementPolarization directionTest results
Product No.
242832428124282
3V/m80MHz-1GHzUpright

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 strengthTest Result
Product No.
242832428124282
400A/mXYZThe memory data of the tested sample remains unchangedThe memory data of the tested sample remains unchangedThe memory data of the tested sample remains unchanged


Measuring capsule: stainless steel 316L

 

Diaphragm: stainless steel 316L, Hastelloy C

 

Process flange: stainless steel 304, 316L

 

Nuts and bolts: carbon steel galvanized, stainless steel

 

Filling fluid: silicone oil, fluorine oil, high temperature silicone oil, etc.

 

Sealing ring: nitrile rubber, fluorine rubber, polytetrafluoroethylene

 

Transmitter housing: aluminum alloy material, sprayed with epoxy resin on the outside

 

Shell seal: Nitrile rubber

 

Nameplate: stainless steel 304

 

Weight: 2.6kg (no: mounting bracket, process connection)

 

Shell protection level: IP67

 

Explosion-proof grade: Exd Ⅱ CT6, Exia Ⅱ CT6


Power supply and load conditions

The power supply voltage is 24V, R ≤ (Us-10V)/Imax Ω

Where Imax=21 mA

Maximum power supply voltage: 36VDC

Minimum power supply voltage: 10VDC

Digital communication load range: 250 ~ 600Ω

Process connection

Both ends of the process connection flange have NPT1/4 and M10 or UNF7/16 internal threads



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