Dongguan SongFast Electronic Technology Co.,Ltd.
                                                                                                           
Verified Supplier
6 Years
Since 2020
Menu

High Sensitivity Liquid Level Sensors Lightweight Fluid Level Sensor

Price Negotiable
Price: $37.80 - $40.80/pieces
MOQ: 500pcs
Delivery Time: 30-day lead time
Brand: SongFast
Product Description
High Sensitivity Liquid Level Sensors Lightweight Fluid Level Sensor
High-Sensitivity Liquid Level Sensors for River Reservoir Fire Fighting Water Tank and Engineering Water Pool
Key Features
  • Wide Temperature Range: -30℃ to 85℃
  • Compact Structure with Excellent Cost-Effectiveness
  • High-Sensitivity Sensor Core with Strong Signal Transmission
  • Wide Measurement Range with Low Power Consumption
  • Excellent Long-Term Stability
  • Strong Interference Resistance
  • Multiple Signal Output Options
  • Customization Support for Various Specifications
Applications
  • River Reservoir Monitoring
  • Fire Fighting Water Tank Systems
  • Engineering Water Pool Management
  • Water Resources Energy Systems
  • Agricultural Irrigation Control
Product Description
The 400A Series Transmitter is a fully independent, self-developed liquid level measurement product. Its core sensor utilizes a built-in diffused silicon element for precise measurements.
Featuring a fluid dynamics design with a unique arc-shaped housing, this product effectively eliminates medium disturbances and ensures high reliability. It includes a detachable bottom filter cover to prevent clogging, along with an internal air guide tube and triple-layer protection process. With its compact size, superior overall performance, and cost-effectiveness, it is suitable for various harsh environments.
From R&D design and production assembly to calibration and quality inspection, every step of our manufacturing process strictly adheres to international quality production system standards.
400A Series Liquid Level Sensor product overview 400A Series Liquid Level Sensor technical 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 Liquid Level Sensor dimensions diagram
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 Liquid Level Sensor ordering guide
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), and 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 specific requirements and application 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

Request A Quote

Please check your email address.
Your message must be at least 20 characters.