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
- Humidity Range:
- 0–100%RH
- Humidity accuracy:
- ±2.5%RH
- Temperature Range:
- –40°C to +70°C
- Temperature accuracy:
- ±0.3°C
- Output type:
- Analog 0–5V
- Supply voltage:
- 5V
- Typical current:
- ~520µA
- Dimension of probe:
- 1 Meter
1 Review Hide Reviews Show Reviews
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Works well, minor gripe
Setup took maybe five minutes and then it was running smoothly. Using it with an Arduino and the library worked without modification. Already planning my next order.
