Chapter II
30 Portable digital multimeters
5.2.10. Environment
Reference temperature : 23°C ± 5°C
Limit range of operation : 0°C to 40°C
Rated range of use : -10°C to 55°C
Storage temperature range : -20°C to 70°C
Temperature coefficient : max. 0.1 x (accuracy) / K
• additional error in Ω : 50 D from -5°C to 0°C
• frequency sensitivity : max. 0.3 x (sensitivity) / K
Relative humidity : 0 to 80 % from 0 to 35°C
(70 % max. for 5 / 50 MΩ)
0 to 70 % from 35°C to 50°C
Protection rating : IP 40
Max. influence in electro-magnetic fields
acc. to NF EN 61000-4-3 Sept 06: from 80 MHz to 2000 MHz 3 V/m
from 2000 MHz to 2700 MHz 1 V/m
± 50 D on ranges10 A and
500 mA (DC and AC+DC) : MX 24B
50 mA (DC and AC+DC) : MX 24
± 100 D in ohms on 5 k range
< ± 20 % end of scale on other ranges
5.2.11. Safety
IEC 61010-1 : 2001
Isolation : class 2
Overvoltage category : CAT III 600 V max. to earth
5.2.12. CEM
This apparatus was designed in accordance with the EMC standards in force and its
compatibility has been tested in accordance with the following standard :
• Emission and Immunity : NF EN 61326-1 (2006) ; NF EN 61326-2-2 (2006).
5.2.13. European directives
The product conforms the prescriptions of the European low voltage directive
2006/95/CE and the EMC directive 2004/08/CE.
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