High Precision and Sensitivity Pressure Sensor Core for Industrial Applications
Main Features
Superior overload resistance, with burst capability of 5~10X.
Very low temperature drift, less than 0.015%FS/°C.
Wide temperature adaptability, from -40°C to 150°C.
Long service life, with pressure cycle life exceeding 5 million cycles.
Fast response, with pressure response less than 2ms.
Wide pressure range adaptability, meeting 0.5~10.0Mpa.
Good compatibility with working media, compatible with air, engine oil, brake fluid, gasoline, diesel, and air conditioning refrigerants.
Very low hysteresis with excellent long-term stability.
Non-linear product compatible with conditioning chips, with a good fit.
Available in outer diameters of 21mm and 18mm.
Manufactured according to IATF16949 standards and quality control, with reliability tests according to AEC-Q200 standards.
Customizable according to customer requirements.
Product Parameter
Parameters
Electrical characterisitics
Series Name
D21A/D18A
Type
Capacitive
Test Pressure Type
Gauge /absolute/ sealed gauge
Size (Length x width xheight)
21x4.(**)mm/18x3.(**)mm (height customizable)
Operating temperature
‘-40 ℃~150℃
Storage temperature
’-40℃~150 ℃
Hysteresis & repeatability
0.5~1.0Mpa : <±0.015 %FS/℃ ;
≥ 1.0Mpa : ≤ ± 0.010%FS/℃
Nonlinearity
±0.20% FS
Temperature Characteristics
6.0%~9.0% first- order approximation
≤ 0.5% second-order approximation
≤0.2 third -order approximation
Sensitivity
= Full-scale capacitance value - Zero-pressure capacitance value
Response time
< 2mS
Cycle life
>5 million pressure cycles
ProductRange
D21A,D18A
φ21×4.(**)mm/φ18×3.(**)mm Series
Product model
Range/P(Bar)
Overload pressure
Burst pressure
Thickness H(mm)
Initial Capacity (pF)
Span Capacity(pF)
Pressure sensing diameter
D21A005
5
2×
5×
4.25±0.05
20±2
4.5-7.5
11.6
D21A010
10
2×
5×
4.35±0.05
20±2
4.5-7.5
11.6
D21A020
20
2×
5×
4.45±0.05
20±2
4.5-7.5
11
D21A035
35
1.5×
3×
4.58±0.05
20±2
4.5-7.5
11
D21A045
45
1.5×
2×
4.74±0.05
20±2
4.5-7.5
11
D21A070
70
1.5×
2×
4.78±0.05
20±2
4.5-7.5
10
D21A100
100
1.5×
2×
4.85±0.05
20±2
4.5-7.5
10
D18A005
5
2×
5×
3.35±0.05
15±2
3.5-6.5
10
D18A010
10
2×
5×
3.45±0.05
15±2
3.5-6.5
10
D18A020
20
2×
5×
3.53±0.05
15±2
3.5-6.5
10
D18A035
35
1.5×
3×
3.65±0.05
15±2
3.5-6.5
10
D18A050
50
1.5×
2×
3.78±0.05
15±2
3.5-6.5
10
D18A070
70
1.5×
2×
3.87±0.05
15±2
3.5-6.5
9.5
D18A100
100
1.5×
2×
3.95±0.05
15±2
3.5-6.5
9.5
High-Precision Capacitive Technology The D21A/D18A uses advanced capacitive technology for precise pressure measurement, delivering highly accurate readings in applications such as manifold absolute pressure sensor and best tire pressure gauge. The capacitive sensing mechanism ensures minimal drift over time and consistent performance.
Flush Diaphragm Design for Harsh Environments Designed with a flush diaphragm, this pressure sensor can handle tough industrial and automotive environments. This feature makes it especially effective in situations where traditional pressure sensors might fail, such as engine oil pressure sensors or pressure sensor for air conditioners where cleanliness and ease of maintenance are crucial.
Wide Range of Applications The D21A/D18A is versatile and can be used in multiple industries, from automotive to food and beverage production. Whether you're integrating it into a pressure sensor for coffee machines or using it in HVAC systems, its adaptability is a key feature.
Durable and Reliable Made from high-quality materials, the D21A/D18A offers excellent resistance to chemicals, temperature fluctuations, and physical stress, ensuring long-lasting reliability in even the most demanding environments.
FAQ
Q1. What makes Songfast's products stand out from competitors?
A: Songfast distinguishes itself through:
Extensive Experience: Our technical team possesses over 20 years of experience in the sensor industry.
Tailored Solutions: We provide rapid, professional solutions customized to meet specific customer application scenarios.
Personalized Customization: We welcome personalized customization requests to ensure optimal product fit.
Stringent Quality Control: Our dedicated production quality management team ensures strict quality control throughout the manufacturing process.
Efficient Delivery: We maintain a 30-day lead time for product delivery.
Q2. What official certifications and industry compliance standards has the company obtained?
A: Songfast holds the following certifications and adheres to these standards:
ISO 9001 (Quality Management System)
IATF 16949 (Automotive Quality Management System)
ISO 45001 (Occupational Health and Safety Management System)
ISO 14001 (Environmental Management System)
20+ National Patents
Q3. Do you offer custom development for new products beyond your website offerings?
A: Yes, Songfast provides custom development services to meet unique customer requirements for new products.