Key Features
Millimeter-Level Precision
0.1mm measurement resolution and ≤0.5%FS accuracy, supports 46-1000mm range for diesel, gasoline, water and other liquids.
Multi-Communication Interfaces
RS232/RS485/4-20mA current/0-5V voltage four interfaces, compatible with various positioning hosts and devices.
Dual Voltage Adaptation
DC 5V or 9-36V dual voltage versions, working current ≤20mA/30mA respectively, suitable for multiple vehicles and equipment.
Non-Contact & No Drilling Installation
External mounting with unique double-bolt bracket, no container structure damage, easy to install and disassemble.
Strong Anti-Interference & Durability
Built-in anti-interference circuit and intelligent filtering algorithm, IP67 waterproof, -40℃~75℃ wide working temperature.
Multi-Protocol Support
Compatible with automatic output, MODBUS RTU, capacitive oil rod protocols, support custom private protocols.
Application Scenarios
Product Overview
KSP4 is a high-precision ultrasonic liquid level sensor designed for non-contact liquid level monitoring. With millimeter-level resolution and multi-interface compatibility, it supports dual voltage supply and various communication protocols, adapting to different application scenarios. Featuring non-drilling installation, strong anti-interference performance and wide temperature adaptability, it is suitable for fuel, water, hazardous chemicals and other liquid level monitoring in vehicles, construction machinery, marine and storage fields. The sensor provides stable and reliable data output, enabling remote liquid level tracking and management, and comes with complete installation accessories for convenient use.
Basic Specifications
| Parameter | Specification description | Unit | Remarks | |
| Input voltage | DC 5 | DC9～36 | V | Two voltage versions |
| Working current | ≦20 | ≦30 | mA | |
| Anti-hazard classification | Benan Exia II CT6 | |||
| Measuring range | 46～1000 | mm | （1） | |
| Measurement, accuracy | ≤0.5%FS | （1） | ||
| Resolution ratio | 0.1 | mm | ||
| Measuring Angle | 0～5 | ° | （2） | |
| Thickness of tested | 0.6～5.0 | mm | Blind area of 5cm (3) | |
| 5.0～10.0 | mm | Blind area of 10cm (3) | ||
| ≥10.0 | mm | （3） | ||
| Communication interface | RS232 / RS485 | （4） | ||
| Communication rate | 9600 | bit/S | Porter rate adjustable | |
| Line order definition | Black-ground line; Red-positive pole; Yellow-TX / B; Green-RX / A | |||