User Manual
123B/124B/125B 
Users Manual 
82 
Miscellaneous 
Display 
Type .................................................................... 5.7-inch color active matrix TFT 
Resolution ........................................................... 640 x 480 pixels 
Waveform Display 
Vertical ............................................................ 10 div of 40 pixels 
Horizontal ........................................................ 12 div of 40 pixels 
Power 
External ............................................................... via Power Adapter BC430/820 
Input Voltage ................................................... 15 V DC to 22 V DC 
Power .............................................................. 4.1 W typical 
Input Connector .............................................. 5 mm jack 
Internal ................................................................ via Battery Pack BP290 
Battery Power ................................................. Rechargeable Li-Ion 10.8 V 
Operating Time ............................................... 7 hours with 50 % backlight brightness 
Charging Time ................................................ 4 hours with Test Tool turned off, 7 hours with Test Tool turned on 
Allowable ambient temperature ...................... 0 °C to 40 °C (32 °F to 104 °F) during charging  
Memory 
Number of internal Data set Memories ............... 20 data sets (each consists of screen, waveforms and setup 
SD card slot with optional SD card 
with max size ...................................................... 32 GB for recording, 20 memory locations for saving data sets 
Mechanical 
Size ..................................................................... 259 mm x 132 mm x 55 mm (10.2 in x 5.2 in x 2.15 in) 
Weight ................................................................. 1.4 kg (3.1 lb) including battery pack 










