Requirements Of Power Supply; Operating Environment - UNI-T UTL8500X Series User Manual

Programable DC Electronic Load User Manual
User manual
Quick charging
test board

2.2 Requirements of Power Supply

UTL8500X series can only be used in following conditions:
Parameters
Frequency
Three-core power cord is provided. Please make sure that the ground wire of

three-phase socket is properly grounded before use.
The instrument comes with 220V/110V power transfer switch. Before connecting to

the power supply, please check and ensure that the switch is in correct position.
250V/0.25A (5x20mm) fuse is selected and installed for the instrument (220V) with a

spare fuse in the fuse case.
In addition, 2 spare fuses of 250V/0.5A are provided for input voltage of AC 110V.

When replacing the fuse, please remove the external power cord first, then open the

fuse slot under the power interface, take out the old fuse and replace it with a new
one, and install the fuse slot back after completion.
Warning: please do not use the damaged power cord to avoid danger. Use the
250V/0.5A fuse when 110V AC power is input.

2.3 Operating Environment

UTL8500X series can only be used in common-temperature and low-condensing zone.
The general environment requirements are listed as follows. During the on-load process,
the speed of the cooling fan will adjust based on the change of the cooling fin's
temperature.
Environment
Operating temperature
Operating humidity
1pc ×
1pc ×
Voltage
Power
AC220V input voltage: 250V/0.25A
Fuse
AC110V input voltage: 250V/0.5A
Users can download the
× manuals from UNI-T's
official website.
√
Requirements
AC 220/110 (±10%)V
50/60Hz
50W
Requirements
0°C~40°C
20%~80% (Non-condensing)
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