Dongguan SongFast Electronic Technology Co.,Ltd.
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Liquid Level Sensors for Engineering Water Pools
The 400C Series Transmitter is a cost-effective liquid level measurement solution, developed from the 400A series, featuring a built-in diffused silicon sensor core.
This product incorporates a fluid dynamics design with a unique arc-shaped housing that effectively minimizes medium disturbances, ensuring high reliability. It also features a detachable bottom filter cover to prevent clogging, along with an internal air guide tube and a triple-layer protection system. Compared to the 400A series, the 400C model is more compact, offers enhanced performance, and is highly cost-effective, making it ideal for various harsh environments.
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 | |||||
| Sensor | Diffused Silicon (Standard) | ||||||
| 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
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
A: 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.
A: Our certifications include:
Additionally, we hold over 20 national patents.
A: Yes, we provide custom development services tailored to your needs.