Sensirion SEK-SVM4x Air Quality Sensor Evaluation Kit

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Sensirion SEK-SVM4x Air Quality Sensor Evaluation Kit is a plug-and-play development tool for fast evaluation and prototyping of the SGP40, SGP41, and SHT4x sensors for VOC and NOx measurements. The SEK-SVM4x provides an onboard microcontroller for signal processing and an I2C and UART interface with digital output signals. Other features include a 3.0V to 5.5V supply voltage range, a 3.0mA maximum idle current, and a -20°C to +55°C operating temperature range. The evaluation kit consists of a sensor module equipped with an SGP41 and SHT40 sensor, a USB-UART cable, and a jumper wire cable set.

  • Sensor Module equipped with an SGP41 and SHT40 sensor
  • USB-UART cable
  • Jumper wire cable set.
  • Electrical:
    • 3.0V to 5.5V supply voltage range
    • 3.0mA maximum idle current, 2.0mA typical
    • 7.5mA maximum average supply current during measurement, 5.0mA typical
  • Timing:
    • 100ms maximum powerup time, 25ms typical
    • 100kHz maximum I2C clock frequency
    • 115,200-bits typical UART baud rating
    • 0.5s to 60s recommended read-out interval range
  • Tunable parameters:
    • 1 to 250 average index range
    • 1-hour to 1000-hours learning time offset and gain
    • 0 to 3000 minutes maximum gating duration
    • 10 to 5000 initial standard deviation
    • 1 to 1000 gain factor range
  • Temperature ranges:
    • -20°C to +55°C operating
    • -40°C to +70°C short-term storage
  • Relative humidity:
    • 0 to 90% operating, non-condensing
    • 0 to 80% storage, non-condensing


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