Temperature & Humidity Recorder CDM20 SH-20WA,RC SH-5100 SH-6000 SH-8000S SH-8000TB SH-8000TM SH-8100 TM-100 SH-1000S SH-1000S Features Available to communicate with a personal computer. Easy to read data everytime, everywhere by using a internal printer      which will function in the most severe environments. Fine data analysis by a micro processor. High quality materials to withstand even the harshest punishments. By incorporating the latest technology in temperature sensing,      this unit will report exactily what temperatures the load encountered. Specifications INPUT VOLTAGE RANGE    DC9V TO 32 FREE VOLTAGE CURRENT    DC 0.5-1W, DC12V-0.5W SENSOR    PT-1000Ω/2 WIRES ACCURACY    FULL SCALE +0.2% RESOLUTION    -0.1℃ OPERATING TEMPERATURE    -30℃ TO 80℃, UNDER 90RH℃ RECORDING INTERVAL    1 TO 99 MINUTE SELECTED RECORDING TEMP. RANGE    -40℃ TO 40℃ or -50℃ TO 100℃ (option) MEMORY ON POWER OFF    10 YEARS PRINTING METHOD    MICRO THERMAL DOT PRINTING SPEED   16 LETTERS/1 LINE, 1LINE/SECOND CAR NO. CHANGING    BY USING a P.C or UNIT ITSELF DATA VOLUME    1CH:9200, 2CH:6500 DIMENSION    160(L) × 125(W) × 60(H)