HYGROLOG HL-20D-SET1 temperature and humidity loggers HYGROLOG HL-20D-SET1 application museum halls, warehouses, factories, office buildings, libraries, clean room, transportation, test equipment Features Operating range:? -10 ... 60 ° C, 0 ... 100% rh 20'000 sets of data can be stored are free to choose the recording interval 5 s ... 1 h to ensure that the internal clock has a time stamp for each measurement point at 23 ° C 3 calibration points:???? 10, 35, 80% rh? programmable alarm function? Battery-powered? may be connected to the PC via UART communication interfaces? HW4 software for data capture and configure dimensions 130 x 72 x 32 mm operating environment -10 ... 60 ° C / 0 ... 100% rh 23 ± 5 ° C Accuracy ± at 0.8% rh @ 10 ... 60% rh / ± 0.3 K ± 1.3% rh @ 60 ... 100% rh / ± 0.3 K Measuring range Integrated probe -10 ... 60 ° C / 0 ... 100% rh Power / Power 3x AA (1.5 V) alkaline battery sensor Long-term stability <1% rh / year Response time t 63 3 minutes (typical) Psychrometric Calculated dew or frost point measurement interval of 5 second to 1 hour in steps of 5 seconds storage capacity 20,000 sets of data (% rh / ° C, the date and time) LED status indication 5 seconds: the green light flashes when data is recorded, exceeding the threshold or recording failure Flashing red Communication Interface Mini USB (UART) Enclosure material ABS IP protection rating IP40 FDA / GAMP standards with FDA 21 CFR Part 11 and GAMP TAG: HYGROLOG, HL-20D-SET1 temperature and humidity loggers