28018
Parallax Inc.

Parallax Inc.
SENSOR HUMI/TEMP 5V I2C 3.5% MOD
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Parallax Inc.'s 28018 series offers the most cost-effective solution for basic humidity monitoring without compromising quality. These resistive-type moisture sensors provide reliable 5-95% RH measurement ranges with excellent linearity. The category includes both through-hole and SMD packages suitable for high-volume production. Typical applications cover consumer electronics (humidifiers, dehumidifiers), automotive climate control, soil moisture monitoring, and industrial process control. The 28018 has proven particularly valuable in mushroom farming operations where maintaining 85-95% RH is essential for mycelium growth during cultivation.
Specifications
- Product Status: Obsolete
- Sensor Type: Humidity, Temperature
- Humidity Range: 0 ~ 100% RH
- Output Type: I²C
- Output: 12b
- Accuracy: ±3.5% RH
- Response Time: 5 s
- Sensitivity: -
- Voltage - Supply: 2.4V ~ 5.5V
- Mounting Type: Through Hole
- Operating Temperature: -
- Package / Case: 8-DIP Module
- Supplier Device Package: -