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

5 mA

Power supply ripple requirements

≤ 200 mV

Measurement accuracy

± 1.5 mm

Response time

500 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