6253 DC Voltage Current Source/Monitor Operation Manual
1.7 Warm-Up
1-14
1.7 Warm-Up
Allow the 6253 to warm up for at least 60 minutes after turning on the power to ensure the specified accuracy
of the 6253.
1.8 Calibration
Calibrate the 6253 in accordance with the procedure described in Chapter 7 “CALIBRATION.”
When asking ADC for calibration service, contact an ADC CORPORATION sales representative.
1.9 Life Limited Parts
In addition to the parts listed in “Safety Summary,” the 6253 also includes the following parts that are life
limited.
Follow the guidelines below to replace them. Contact an ADC CORPORATION sales representative for
replacement service.
CAUTION: The 6253 internally counts the number of Operate/Standby relay operations, and it can
be referred by using the MENU or remote commands.
For parts replacement, contact an ADC CORPORATION sales representative.
Recommended calibration interval 1 year
Part name
Expected life cycle
Remarks
Operate/Standby relay
1,000,000 operations
Replace when the switching cycle between
“Operate” and “Standby” reaches the numbers
of cycles noted at left.
Cooling fan
60,000 hours
When the cooling fan is faulty, the message
“ERR401 Fan Stopped” is displayed and the
operation stops. In this case, contact an ADC
CORPORATION sales representative.
LCD display
50,000 hours
Panel key
500,000 operations
USB connector
1,500 times
GPIB connector
500 times
LAN connector
200 time
Factory option
RS232 connector
100 time
Factory option
Rotary knob
1,000,000 operations