Fluke 5020A ユーザーズマニュアル

3-6 

 - The battery compartment holds a 9V alkaline battery used as 

a backup power source to maintain continuous measurement during a power outage. 

 - The power switch turns the power on and off to the thermo-

hygrometer, including power from the battery. Before disconnecting the AC adapter from 

the instrument, switch the power off to prevent draining the backup battery. 

 - The serial label shows the instrument model and serial number. 

 

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When the main screen is displayed, the buttons have the following functions: 

E

- This button is used to display the menu options.  

F

- This button is used to display the alarm window. With the alarm window displayed 

the Exit button can be used to return to the main screen while preserving the alarm events 

or the Enter button can be used to clear the alarm events and return to the main screen. 

B

 C - These buttons are used to move among enabled display layouts. 

A

 D 

- These buttons are used to adjust the display contrast, 

A

 

for darker and 

D

 

for 

lighter. 

•

  Model 5020A-H KIT includes a 5020A-H Thermo-Hygrometer readout, a high 

accuracy sensor (Model 5026A-H), a thermo-hygrometer readout wall mount bracket, 

power supply (Model 5020A-PS), and an RS-232 cable. 

•

  Model 5020A-S KIT includes a 5020A-S Thermo-Hygrometer readout, a standard 

accuracy sensor (Model 5026A-S), a thermo-hygrometer readout wall mount bracket, 

power supply (Model 5020A-PS), and an RS-232 cable. 

The following accessories are available to compliment either the high accuracy or 

standard thermo-hygrometer readout.