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Amazon.com: Honeywell HIH-4000-002 Board Mount IC Humidity Sensors 1.27mm Lead Pitch SIP, HR:0-100 RH, Linear Vout~RH, Accuracy ±3.5% RH, Resp t: 5s, V Supply: 4-5.8V, Through Hole : Electronics
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Original HIH-4000-003 IH 4000 003 HIH-4000 HIH4000 DIP-3 high precision humidity sensor - AliExpress
Honeywell HIH-4000-001, Humidity Sensor -40 → +85 °C ±3.5%RH Analogue, 3-Pin SIP - RS Components Vietnam
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