BEHA Unitest CHB 7 - English

17
Clamp Meter CHB 7
Clamp Meter CHB 37
 Instruction Manual CHB 7 Order No. 93470 E
CHB 37 Order No. 93480 E
Contents Page
1.0 Introduction / Scope of Supply 18
2.0 Safety 18
3.0 Controls and Connections 20
4.0 Operation 21
4.1 Preparation and safety measures 21
4.2 Current Measurements 22
4.2.1 DC current measurements
(only UNITEST Clamp Meter CHB 37) 22
4.2.2 AC current measurements 22
4.3 Voltage measurements 23
4.3.1 DC voltage measurements 24
4.3.2 AC voltage measurements 24
4.4 Frequency measurements 24
4.5 Resistance measurements 25
4.6 Continuity / Diode tests 26
4.6.1 Continuity testing 26
4.6.2 Testing diodes 26
4.7 True RMS measurements / crest factor
(only UNITEST Clamp Meter CHB 37) 26
4.8 MIN/MAX and peak value measurements 27
5.0 Maintenance 28
5.1 Changing the battery 28
6.0 Technical data 29
Important advice on safety matters, both on the instrument and
in the Instruction Manual:
WARNING ! Warns of a potential danger, observe the advice
given in the Instruction Manual.
DANGER ! Indicates a dangerously high voltage.
Double insulated, protection class II IEC 61140.
Symbol for the marking of electrical and electronic equipment
(WEEE Directive 2002/96/EC).
Conformity symbol, the instrument complies with the valid
directives. It complies with the EMC Directive (89/336/EEC)
and the Low Voltage Directive (73/23/EEC) with their valid
standards.
UNITEST
®
PTDB93470-05.qxd 14.12.2005 9:56 Uhr Seite 17