User Manual
Humidity & Temperature Datalogger
Model RHT20
Additional
User
Manual
Translations
available
at
www.extech.com
www.
.com
[email protected]
1.800.561.8187
Страница 1: ...User Manual Humidity Temperature Datalogger Model RHT20 Additional User Manual Translations available at www extech com www com information itm com 800 561 8187 ...
Страница 2: ...n and Customer Support Description 1 Record LED 2 Alarm LED 3 LCD Display 4 Temperature Humidity display selection 5 MAX MIN display selection 6 Battery Compartment rear 7 Temperature and Humidity sensors 8 USB PC port bottom Display Description Full battery symbol Weak battery symbol Replace battery when this appears Battery life is more than 3 months DATE Current date is displayed TIME Current t...
Страница 3: ...ogging 5 Alarm function When the measured value exceeds the programmed upper or lower limit and the LED function is selected in the software the ALM LED will flash one time per minute 6 If LO is displayed the temperature and humidity sensors need attention 7 The datalogger should be placed upright when in use 8 If used in low temperature high humidity environment the datalogger should be placed up...
Страница 4: ...ed in the HELP file Maintenance WARNING To avoid electrical shock disconnect the meter from any circuit and turn OFF the meter before opening the case Do not operate with an open case Battery Replacement 1 Remove the green protective cover by pushing the bottom of the meter until it slides through the opening at the top 2 Remove the two Phillips head screws that secure the battery compartment at t...
Страница 5: ...ower supply 3 6V Lithium Battery Battery life 3 months approximately Operating Temperature 40 to 158 F 40 to 70 C Operating Humidity 0 to 100 RH LCD Operating Temperature 13 F to 158 F 25 C to 70 C Dimensions 3 7x1 9x1 2 94 4x48 9x31 2mm Weight 3 2oz 90 7g Range Accuracy Relative Humidity 0 to 20 and 80 to 100 5 0 20 to 40 and 60 to 80 3 5 40 to 60 3 0 Temperature 14 to 104 F 1 8 F 13 to 14 F and ...
