Table 1 Technical parameters of level sensor.
From: Design research on a smart infusion device to reduce medical workload and enhance patient safety
Parameter category | Parameter name | Parameter value |
|---|---|---|
Basic parameters | Sensor type | Non-contact liquid level sensor |
Exterior dimensions | 28 × 28 × 17 mm | |
Electrical parameters | Operating voltage | DC 5–12 V |
Output mode | NPN output | |
Performance parameters | Power consumption | 5Â mA |
Power supply ripple requirements | ≤ 200 mV | |
Measurement accuracy | ± 1.5 mm | |
Response time | 500Â ms | |
Sensing thickness | ≤ 20 mm | |
Output cable length | 500 ± 10 mm | |
Environmental parameters | Operating temperature range | – 20  to  105 °C |
Humidity range | 5–100% | |
Protection level | IP67 | |
Special requirements | Measured liquid requirements | Conductive |
Container material requirements | Non-metallic materials |