The 7SEMI SHT40I Analog Probe is an industrial-grade humidity and temperature sensing probe based on Sensirion’s SHT40I-Analog sensor. It provides separate 0–5V analog outputs for HUM and TEM, making it ideal for PLCs, data loggers, Arduino/ESP32/STM32 ADC inputs, and HVAC installations.
Key Features
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Sensirion SHT40I-Analog sensor
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5V supply input
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Dual analog outputs: HUM (humidity), TEM (temperature)
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Stainless-steel probe with sintered filter
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High accuracy: ±2.5%RH, ±0.3°C
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4-core cable: Red (5V), Black (GND), Yellow (HUM), Green (TEM)
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Ideal for ducts, enclosures, weather stations, industrial control
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Zero calibration required – factory calibrated
Applications
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HVAC duct sensing
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Industrial RH/T monitoring
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Weather stations
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IoT data logging
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PLC analog input systems
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Environmental monitoring
- Humidity:
- 0–100%RH
- Humidity accuracy:
- ±2.5%RH
- Temperature:
- –40°C to +125°C
- Temperature accuracy:
- ±0.3°C
- Output type:
- Analog 0–5V
- Supply voltage:
- 5V
- Typical current:
- ~520µA
