Manual
3
1
Introduction
Thank you for purchasing a flexible clamp meter PCE-CM 4 from PCE Instruments.
The flexible clamp meter PCE-CM 4 is a high quality meter for the measuring of current:
It’s possible to
measure current at inaccessible electric conductors. The flexible clamp meter PCE-CM 4 has a
measuring range up to 400 A. The meter is easy to handle. You can control the device with three buttons
and one rotary switch. The meter is able to measure minimum and maximum readings. The HOLD-
function allows freezing the data. The LCD-display has 4 digits, which means a high accuracy. The small
and handy device promises a wide range of possibilities in any environment.
2
Safety notes
Please read this manual carefully and completely before you use the device for the first time. The device
may only be used by qualified personnel and repaired by PCE Instruments personnel. There is no
warranty of damages or injuries caused by non-observance of the manual.
Do not operate the tester if the body of meter or the current probe looks broken.
Check the main function dial and make sure it is at the correct position before each measurement.
Always de-energize the circuit under test before installing flexible probe measuring head. Always inspect
the electronics unit, connecting cable and flexible probe for damage before using this product.
Exercise extreme caution, when measuring live system with voltage greater than 60V DC or 30V AC.
To avoid false readings, replace the battery as soon as possible, when the battery symbol appears.
The device
may only be used
in
approved temperature range
The opening of the case should only be done by qualified personnel of the PCE Instruments.
The instrument should never be placed with the user interface (e.g. keyboard side on a table)
You should not make technical changes on the device
The appliance should only be cleaned with a damp cloth / use only pH-neutral cleaner
This user's handbook is published from PCE Instruments without any guarantee.
We expressly point to our general guarantee terms, they can be found in our general terms of business.
If you have any questions please contact PCE Instruments.