Non-Linear Product Compatibility: Works seamlessly with conditioning chips.
Available Sizes: Outer diameters of 21 mm and 18 mm.
Manufacturing Standards: Produced in accordance with IATF 16949 and reliability tested per AEC-Q200 standards.
Customizable Options: Tailored solutions available to meet customer specifications.
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 leverages cutting-edge capacitive technology for accurate pressure measurement, providing precise readings in applications like manifold absolute pressure sensors and top-tier tire pressure gauges. Its capacitive sensing mechanism guarantees minimal drift over time, ensuring consistent performance.
Flush Diaphragm Design for Harsh Conditions
Featuring a flush diaphragm, this pressure sensor is built to withstand challenging industrial and automotive environments. This design is particularly effective in scenarios where traditional sensors may falter, such as engine oil pressure monitoring or air conditioning systems, where cleanliness and maintenance ease are vital.
Versatile Applications
The D21A/D18A is adaptable across various industries, from automotive to food and beverage production. Whether incorporating it into pressure sensors for coffee machines or utilizing it in HVAC systems, its versatility stands out as a key advantage.
Durable and Reliable
Constructed from high-quality materials, the D21A/D18A exhibits excellent resistance to chemicals, temperature variations, and physical stress, ensuring dependable performance even in the most demanding conditions.
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.