Liquid Level Sensor
The MODEL 404 Liquid Level Sensor provides precise liquid depth monitoring for industrial applications. Its robust design ensures reliable operation across a -20° to +122° F temperature range, accommodating diverse environmental conditions. With a maximum liquid level display of 34.6 feet and a calibration accuracy of ± 2%, this sensor delivers consistent and dependable data for critical processes. The integrated 4-20mA output facilitates seamless integration into existing control systems, providing proportional signal outputs. Four adjustable trip points offer flexible control options for various operational requirements. Solid-state outputs enhance system longevity and reduce maintenance needs. Moisture-protected circuits contribute to its durability in challenging environments, preventing performance degradation. This unit is engineered for dependable performance, minimizing operational interruptions and supporting efficient process management through accurate level detection.
Liq Lev Sen-4 Lev
Specifications
| Input voltage | 105-130VAC |
|---|---|
| Input frequency | 47-65Hz |
| Power consumption | 2W |
| Air pressure input | 0-15 psi |
| Input air supply fitting | Requires 3/16" I.D. tubing |
| Maximum liquid level displayed | 34.6 feet |
| Calibration accuracy | ± 2% |
| Repeat accuracy (fixed condition) | ± 1% |
| Repeat accuracy (0-60° C) | ± 2% |
| Dead band | 0.1 foot |
| Switching outputs | 4 open-collector transistors rated for regulated 12VDC, 10mA, maximum. Designed as inputs for the Model 403 Liquid Level Controller or Model 448 Output Relay Board |
| Signal outputs | 4-20mA output proportional to 0-34.6 feet of water |
| Operating temperature | -20° to +122° F |
| Storage temperature | -4° to +158° F |
| Humidity tolerance | 0-97% without condensation |
| Case material | 20 gauge Steel |
| Termination | Removable terminal strip |
| Feature | Digital display of water depth |
| Feature | Solid-state outputs |
| Feature | Four adjustable trip points |
| Feature | 4-20mA output |
| Feature | Moisture protected circuits |
| Warranty | This product is warranted to be free from defects in materials and workmanship for one year. |




