Dongguan SongFast Electronic Technology Co.,Ltd.
                                                                                                           
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6 Years
Since 2020
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Stable Water Level Pressure Transducer Water Resistant Customized For River Reservoirs

Price Negotiable
Price: $37.80 - $40.80/pieces
MOQ: 500pcs
Delivery Time: 30-day lead time
Brand: SongFast
Product Description
Stable Water Level Pressure Transducer
Water resistant pressure transducer customized for river reservoirs, firefighting water tanks, and water resource management applications.
Key Features
  • Wide Temperature Range: Operates efficiently from -30℃ to 85℃
  • Compact Design: Engineered for exceptional cost-effectiveness
  • High-Sensitivity Sensor Core: Guarantees robust signal transmission
  • Extensive Measurement Range: Ensures low power consumption
  • Long-Term Stability: Delivers consistent performance over time
  • Strong Interference Resistance: Shields against external disruptions
  • Multiple Signal Outputs: Offers versatile connectivity options
  • Customizable Specifications: Adaptable to meet various requirements
Applications
  • River Reservoirs
  • Firefighting Water Tanks
  • Engineering Water Pools
  • Water Resource Management
  • Agricultural Irrigation
Product Description
The 400A Series Transmitter is a proprietary liquid level measurement device designed for independent operation. Its core sensor incorporates a built-in diffused silicon element, enhancing both accuracy and reliability.
Featuring a fluid dynamics design and a unique arc-shaped housing, this transmitter effectively reduces medium disturbances, ensuring stable performance. It includes a detachable bottom filter to prevent clogging and an internal air guide tube, complemented by a triple-layer protection process.
Compact and highly efficient, the 400A Series is well-suited for demanding environments. Throughout the entire manufacturing process—from research and development to production assembly, calibration, and quality inspection—strict adherence to international quality standards is maintained.
400A Series Pressure Transducer product overview 400A Series technical specifications diagram
Technical Specifications
Model 400A Series
Pressure Type Gauge Pressure, Absolute Pressure
Range 0-1 m…300 m (Customizable)
Accuracy ≤ ±0.5%F.S (Standard); ≤ ±0.25%F.S; Customizable
Electrical Performance 2-wire | 3-wire | 4-wire
Output Signal 4~20mA | 0~5V | 0~10V | 0.5~4.5V | 10~90% Ratio | RS485
Supply Voltage 8~32V DC | 8~32V DC | 12~32V DC | 8~32V DC / 5V DC | 3~5.5V DC | 8~32V DC
Operating Temperature -30℃~85℃
Storage Temperature -30℃~85℃
Compensation Temperature 0~60℃
Electrical Connection Straight Connection
Materials - Housing SUS304 Stainless Steel (Standard), 316L Stainless Steel (Optional), Customizable
Materials - Sensor Diffused Silicon (Standard)
Materials - O-ring NBR (Standard), PTFE/CR/EPDM (Optional)
Response Time ≤10ms
Protection Rating IP68
Measuring Medium Compatible with SUS304 or 316L stainless steel
Zero Temperature Drift 0.05%FS/℃( ≤100kPa)
Long-term Stability 0.2%F.S±0.05%/year
Overload Pressure 150%F.S.
Dimensions and Wiring Definitions
400A Series dimensions diagram and wiring configuration
Wiring Definitions
Wire Color 2-wire 3-wire 4-wire
Red Power (Vcc+) Power (Vcc+) Power (Vcc+)
Black Signal(Iout) Power (GND) Power (GND)
Yellow Ground Ground Ground
Green / Signal(Vout) 485A
Blue / / 485B
Ordering Guide
400A Series ordering guide and model selection chart
Frequently Asked Questions
Q1: What makes Songfast's products stand out from competitors?
Our technical team has over 20 years of experience in the sensor industry. We provide rapid, professional solutions tailored to our customers' application scenarios and welcome personalized customization requests. With a dedicated production quality management team, we ensure strict quality control while delivering goods within a 30-day lead time.
Q2: What official certifications and industry compliance standards has the company obtained?
Our certifications include:
  • ISO 9001
  • IATF 16949 (automotive)
  • ISO 45001 (safety)
  • ISO 14001 (environmental)
Additionally, we hold over 20 national patents.
Q3: Do you offer custom development for new products beyond your website offerings?
Yes, we provide custom development services tailored to your needs.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Dongguan SongFast Electronic Technology Co.,Ltd.
Location Room 907, FengShou Building, No.97 Guanchang Road, Xiaobian, Chang'an Town, Dongguan City, Guangdong Province, China.
Contact Person Jenny Huang

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