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Direct Touch Diaphram-Free Diffused Silicon Pressure Sensor

China Direct Touch Diaphram-Free Diffused Silicon Pressure Sensor, Find details about China Pressure Sensor, Diffused Silicon Pressure Sensor from Direct Touch Diaphram-Free Diffused Silicon Pressure Sensor

Model NO.
WA18
Wiring Type
Four-Wire
Measuring Medium
Liquid and Gas
IP Rating
IP65
Certification
ISO
Customized
Customized
Model No.
Wa18
Pressure Range
0-40kpa…2.5MPa
Typical Output
0-100V
Media Range
Non-Corrosive Gas and Liquid
Pressure Reference
Gauge
Compensation Temperature
0~70 Degree C
Place of Origin
Heifei, Anhui, China
Warranty
1year
Trademark
WNK
Specification
ceramic housing
Origin
Hefei, Anhui Province, China
HS Code
902690000
Model NO.
WA18
Wiring Type
Four-Wire
Measuring Medium
Liquid and Gas
IP Rating
IP65
Certification
ISO
Customized
Customized
Model No.
Wa18
Pressure Range
0-40kpa…2.5MPa
Typical Output
0-100V
Media Range
Non-Corrosive Gas and Liquid
Pressure Reference
Gauge
Compensation Temperature
0~70 Degree C
Place of Origin
Heifei, Anhui, China
Warranty
1year
Trademark
WNK
Specification
ceramic housing
Origin
Hefei, Anhui Province, China
HS Code
902690000
WA18 Diffused Silicon Oilless Pressure Sensor      

WA18 series is MEMS technology based piezoresistive silicon sensor. It uses ceramic housing without isolation diaphram and silicon oil. WA18 is different with tranditonal diffused silicon diaphram-free sensors: pressure media touches directly with the back of pressure chip (the side without circuit), ensuring durability and long-term stability of the sensor. It is a kind of low cost and high performance OEM pressure measuring sensor designed for clear and non-corrosive gas and liquid.
 
Every sensor was strictly temperature compensated for both zero and span before shipment to ensure measurement accuracy in complex environment.

Direct Touch Diaphram-Free Diffused Silicon Pressure Sensor

Features - WA18 Diffused Silicon Oilless Pressure Sensor    

1. For measuring non-corrosive gas and liquid
2. Simple structure in low cost
3. Suitable for small and medium pressure (0-40Kpa2.5Mpa)
4. Compensation temperature 0-70ºC
5. Typical output: 0-100mV
6. Ventilating Gauge pressure (G)
 
Direct Touch Diaphram-Free Diffused Silicon Pressure Sensor


Technical Parameters under Constant Voltage (excitation voltage 10VDC, preheat 10mins under 25ºC)
ParametersMin.TypicalMax.
Accuracy(%FS)   
Non-
Linearity1		40Kpa ±0.20±0.30
>40Kpa ±0.10±0.20
Hysteresis ±0.05±0.1
Repeatability ±0.05±0.1
Output(mV)   
Zero-505
Span(FS)95100105
Temp. characters   
 Operation Temp.(ºC)3-40 125
 Compensation Temp(ºC)0 70
Zero Temp.error(%FS)4 -0.75 ±0.50.75
Span Temp. error(%FS)4-0.75 ±0.50.75
Thermal hysteresis(%FS) 0.1 
Long term Stability   
   Zero (±%FS annual) 0.1 
   Span (±%FS annual) 0.1 
Supply Voltage 10VDC14VDC
Input Resistance6kΩ8kΩ10kΩ
Output Resistance2.5kΩ3kΩ3.7kΩ
Load Resistance55MΩ  
Insulation Resistance(50V)650MΩ  
 
Pressure Range0-40Kpa2.5Mpa
Pressure Overload2X Rated pressure or 3.5Mpa (take the smaller)
Pressure Breakdown1.5X Rated pressure or 4Mpa (take the smaller)
Pressure MediaClear gas and clear non-corrosive liquid compatible with ceramic, silicon, glass, Silica( measuring range smaller than1Mpa)/ epoxy resin adhesive (measuring range higher than 1Mpa)
Note:
1. Best fit straight line.
2. Measured at vacuum for absolute (A), ambient for gage (G).
3. Maximum temperature range for product with standard cable is -20°C to +105°C.
4. Over the compensated temperature range with respect to 25°C.
5. Load resistance to reduce measurement errors due to output loading.
6. Between case and sensing element.
 
Dimensions - WA18 Diffused Silicon Oilless Pressure Sensor    

Direct Touch Diaphram-Free Diffused Silicon Pressure Sensor

Why choose us?
1. We are professional manufacturer with own R&D and sales team, with more than 12 years producing experience in transmitters & sensors.
2. We have strict quality control system, each set product we do temperature compensation and aging test before shipment, so the quality is guaranteed.

Delivery
7~15 days after order confirmed

 

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