Demo catalogue / Level sensors
Optomax digital liquid level sensor
Adafruit · MPN 3397 · agent-readable version
$39.95indicative · 2026-08-18
Captured from Adafruit's own structured data on the date shown — not a quote. Availability is deliberately not claimed.
| Adafruit | $39.95 · 2026-08-18 | product page ↗ |
Specifications — every value carries its receipt
Electrical
| Supply voltage range | 4.5 to 15.4 VDC | vendor page“an sink and source up to 100mA at a supply voltage range of 4.5 to 15.4VDC - so you can even use it to directly control a transistor o” |
| Output sink/source (max) | 100 mA | vendor page“vel output is push-pull type, and can sink and source up to 100mA at a supply voltage range of 4.5 to 15.4VDC - so you can ev” |
Interface
| Output type | push-pull | vendor page“liquid. The microcontroller-friendly logic level output is push-pull type, and can sink and source up to 100mA at a supply volta” |
Mechanical
| Housing material | Polysulfone | vendor page“he surface) can trigger it. Comes in a chemically resistant Polysulfone housing material - the standard choice for most application” |
| Weight | 8.4 g | vendor page“Play video: New Products 8/2/2017 Technical Details Weight: 8.4g / 0.3oz Wire length ( not including sensor): ~240mm / ~9.5"” |
| Wire length | 240 mm | vendor page“Weight: 8.4g / 0.3oz Wire length ( not including sensor): ~240mm / ~9.5" Datasheet Application-note May We Also Suggest... L” |
Environment
| Operating temperature | -25 to 80 °C | vendor page“nting and for use in standard operating temperature ranges (-25 to 80°C). Features: Reverse polarity, ESD and transient over-voltag” |
General
| Type | Liquid Level Sensor | vendor page“Optomax Digital Liquid Level Sensor [LLC200D3SH-LLPK1] : Adafruit Industries, Unique & fun DIY” |
Used in
plant-waterer — as level-sensor