11/ 2008
BENNING CM 9
7
Operating instructions
BENNING CM 9
Digital leakage current clamp for
- measuring the leakage currents (differential current and protective con-
ductor current) in electrical systems and devices
Table of contents
1. User notes
2. Safety note
3. Scope of delivery
4. Unit description
5. General information
6. Environment conditions:
7. Electrical specifications
8. Making measurements with the BENNING CM 9
9. Maintenance
10. Environmental notice
1. User notes
These operating instructions are intended for
- skilled electricians and
- trained electronics personnel.
The BENNING CM 9 is intended for making measurements in dry environment.
It must not be used in power circuits with a nominal voltage higher than 300 V
AC (More details in Section 6. “Environmental conditions”).
The following symbols are used in these operating instructions and on the
BENNING CM 9:
Application around and removal from HAZARDOUS LIVE conductors
is permitted.
Warning of electrical danger!
Indicates instructions which must be followed to avoid danger to
persons.
Important, comply with the documentation!
The symbol indicates that the information provided in the operating in-
structions must be complied with in order to avoid risks.
This symbol on the BENNING CM 9 means that the BENNING CM 9 is
totally insulated (protection class II).
This symbol appears in the display to indicate a discharged battery.
(AC) Alternating voltage or current.
Ground (Voltage against ground).
