02/ 2011
BENNING ST 720
17
Operating instructions
BENNING ST 720
Appliance tester for safety-related testing of portable electrical devices and equipment
- testing according to DIN VDE 0701-0702, ÖVE/ ÖNORM E 8701
- testing of cable reels, multiple distributors and IEC power cords
- tripping time measurement of RCDs
- voltage measurement on external shock-proof socket
Table of contents
1. User notes
2. Safety note
3. Scope of delivery
4. Unit description
5. General information
6. Ambient conditions
7. Electrical specifications
8. Measuring with the BENNING ST 720
9. Maintenance
10. Environmental note
1. User notes
These operating instructions are intended for
- qualified electricians, competent persons and
- electrotechnically trained persons
The BENNING ST 720 is intended for making measurements in dry environment (More details
in Section 6. “Ambient conditions”).
The following symbols are used in these operating instructions and on the BENNING ST 720:
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 instructions must
be complied with in order to avoid risks.
This symbol on the BENNING ST 720 means that the BENNING ST 720 complies
with the EU directives.
This symbol appears on the display to indicate discharged batteries. As soon as the
battery symbol flashes, immediately replace the batteries by new ones. Charged
batteries are also required for measuring in mains operating mode.
(AC) Alternating voltage or current.
Ground (Voltage against ground).
protection class I
protection class II
