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  • HDC3021: HDC3021 - reading back incorrect relative humidity in very dry conditions

    Resolved
    Part Number: HDC3021 Hi, We are using the HDC3021DEHR device, we had these fitted on 5 prototype boards next to an existing non TI temp/humidity detector we were looking to design out due to obsolescence. Initial testing showed showed a relative humidty…
    • Resolved
    • Answered

  • HDC3021: is HDC3020, HDC3022-Q1 same as HDC3021?

    Resolved
    Part Number: HDC3021 Other Parts Discussed in Thread: HDC3020 , , HDC3022-Q1 , HDC3022 Hi experts Hope this finds you well. Are there any differences between the HDC3020, HDC3022-Q1 and HDC3021 other than the protective tape? Could you please verify…
    • Resolved

  • HDC3021: Question about HDC3021

    Part Number: HDC3021 Other Parts Discussed in Thread: HDC3020 Hello: 1. The customer is currently experiencing an abnormal issue where after initializing the high temperature alarm threshold, after a period of time, this threshold will return to its…

  • HDC3021: HDC3021: The measure of relative humidity of the sensor shows significant degradation after a few weeks

    Part Number: HDC3021 Other Parts Discussed in Thread: HDC3022 Hi, We are deploying a 1000 pcs initial lot of devices for outdoor environemental monitoring which include the HDC3021 sensor. In our test field we have 5 devices running for testing and…
    • Answered

  • HDC3021: Risk of Drying Out in Ambient Environment

    Resolved
    Part Number: HDC3021 If we rehydrate the HDC3021 humidity sensor after assembly, what is the risk of it drying out again sitting on the shelf in "room" conditions? It can get really dry (maybe down to 10% RH) in the winter though it stays around room…
    • Resolved

  • HDC3021: Humidity Calibration gain (span) errors

    Part Number: HDC3021 Other Parts Discussed in Thread: HDC3020 , , HDC3120 Hi. We are an experienced user of Humidity sensors. I have been personally using them for more than 35 years. We manufacture products and supply calibration certificates for our…

  • HDC3021: HDC3021: Offset Error Correction

    Part Number: HDC3021 Tool/software: Hi there, I refer to my original question here (I accidently hit resolve on that thread - however my question still remains and my problem is not resolved). I refer to your technical document for the HDC3021 EVM…
    • Answered

  • HDC3021-Q1: Low-Pressure Molding

    Resolved
    Part Number: HDC3021-Q1 Other Parts Discussed in Thread: HDC3021 Tool/software: Dear TI Support Team, In one of our products, we are using the HDC3021-Q1 humidity and temperature sensor. As specified, the device comes with a polyimide tape that covers…
    • Resolved

  • HDC3021-Q1: HDC302x – Low RH custom calibration support

    TI Thinks Resolved
    Part Number: HDC3021-Q1 Hello TI Support Team, We are evaluating the HDC302x series for an application where low-humidity accuracy is critical. Based on the HDC302x accuracy chart, the typical performance appears to be: 10–50 %RH: ±0.5 %RH …

  • HDC3021: PHDC/HDC part number query

    TI Thinks Resolved
    Part Number: HDC3021 Tool/software: Hi, I'm currently integrating and testing the HDC3021 to replace an existing qualified temp/hum sensor (going obsolete) on a mid production design. Going through some of the TI forum messages relating to RH accuracy…

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