Datalogger TM-305U Temperature Humidity

Product Description - Measure humidity and temperature( /  ) . - Datalogging- 50, 000 records. - Fast USB download . - Easy- to-Use PC software for parameter settings and data analysis. - Internal Humidity Temperature alarm. General Operation Condition -40-185 ( -40-85 ) 1-99% RH, non-condensing Relative Humidity Sensor Type Capacitor Measurement Range 1% -99% Accuracy 3.0% RH( 20~ 80% ) 5.0% RH( 80% ) Resolution 0.1% Temperat ure Sensor Type Thermistor Measurement Range -40-185 ( -40-85 ) Accuracy 0.6 ( 1.2 ) from -20-50 ( -4 to 122 ) 1.0 ( 1.8 ) all other ranges. Resolution 0.1 - Display: 3 digits LCD. - LED status: red LED of Alarm, greed LED of Record. - Sampling rate: 1 time/ 3 seconds. - Battery : One 3.6V AA lithium battery - Battery Lift: 1 year. - External Power Supply: 5 VDC with 0.5A. - Operating temperature and humidity : -40 to 85 ( -40~ 185 ) ; 1-95% RH, non-condensing. - Instrument Dimensions: 83( L) * 60( W) * 24( H) mm. - Weight: About 77g.