Maintenance And Upkeep; General Maintenance And Repair; Replace The Fuse - East Tester ET3240 User Manual

5 1/2 Digital Multimeter User Manual
RS232 interface baud rate, data bit, stop bit can be set as shown in Figure 9- |.
Custon Baud Rate
Signable
_ :
nisan
Serial Port Set:
Date Bit:
Stop Bit:
Vigure 9- 1 Serial port configuration
USB Device interface
'The multimeter can be connected to the computer via the USB cable.
Before using USB, install the USB-to-serial driver of STM32 on PC.
Please tum on the power before connecting the multimeter with the USB cable
USB Host interface
USB Host interface can make the multimeter with U disk function. U disk can be used in the
multimeter screenshots
10 Related software installation and use
(See the Operating Instructions in the software CD attached }
11 Maintenance and upkeep
11.1 General maintenance and repair
Multimeter is a precision measuring instrument, please keep the instrument clean, tidy and gently.
About one vear after the instrument is used, recalibrate the instrument to ensure that the indicators
meet the requirements.
11.2 Replace the fuse
Fuse installation location can refer to the Figure 3-4, one for the power fuse, one for the current fuse
Fuse tube specifications:
0.5A L 250V fast-blow fuse, fuse specification is DSx20mm.
Steps:
Tum off the power and unplug the power cord.
Find the location of the fuse, remove the blown fuse according to the prompts on the instrument
Replace the fuse, and install the new fuse