Dongguan SongFast Electronic Technology Co.,Ltd.
                                                                                                           
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6 Years
Since 2020
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High Precision Water Level Detector Sensor Straight Connection Corrosion Proof

Price Negotiable
Price: $37.80 - $40.80/pieces
MOQ: 500pcs
Delivery Time: 30-day lead time
Brand: SongFast
Product Description
High Precision Water Level Detector Sensor
Product Overview
High-performance water flow meters with wide temperature range and strong interference resistance for reliable liquid level measurement applications.
Key Features
  • Wide Temperature Range: Operates effectively from -30℃ to 85℃
  • Compact Structure: Engineered for exceptional cost-effectiveness
  • High-Sensitivity Sensor Core: Enhances strong signal transmission
  • Extensive Measurement Range: Maintains low power consumption
  • Long-Term Stability: Provides reliable performance over time
  • Strong Interference Resistance: Shields against external disturbances
  • Multiple Signal Outputs: Offers versatile connectivity options
  • Customizable Specifications: Adaptable to meet various needs

Applications
  • River Reservoirs
  • Firefighting Water Tanks
  • Engineering Water Pools
  • Water Resource Management
  • Agricultural Irrigation

Product Description
The 400C Series Transmitter is a cost-effective solution for liquid level measurement, developed as an enhancement of the 400A series. It features a built-in diffused silicon sensor core for improved accuracy.
This device utilizes a fluid dynamics design with a unique arc-shaped housing, effectively minimizing medium disturbances and ensuring high reliability. It includes a detachable bottom filter cover to prevent clogging, along with an internal air guide tube and a triple-layer protection system.
In comparison to the 400A series, the 400C is more compact, offers superior performance, and remains highly cost-effective, making it ideal for a range of challenging environments.
400C Series Water Level Detector Sensor diagram showing internal components and structure 400C Series sensor installation and application examples in various water systems
Technical Specifications
Model 400C 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
400C Series sensor dimensional diagram with precise measurements and specifications
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
400C Series ordering guide with model numbers and configuration options
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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