X02137C00 - Ed. 1 - 06/07 Chapter II
Intrinsically safe portable digital multimeter
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6. GENERAL SPECIFICATIONS
Adjustment
The MX 57 EX multimeter incorporates a non-volatile memory containing the adjustment
characteristics for all measurement ranges. It is supplied with a certificate of conformity.
Safety
acc. to IEC 61010-1 Ed. 2 (2001)
Insulation class 2
Degree of pollution 2
Utilisation indoor
Altitude < 2000 m
Measurement category
of "measurement" inputs CAT III, 600 V in relation to earth
Intrinsic Safety
As per Directive ATEX 94/9/CE II 2G D ou I M2
EN 60079-0 (2004), EN 60079-11 (2007),
EN 61241-11 (2006)
EC type Examination Certificate LCIE 02 ATEX 6005X
Supplementary EC type Examination Certificate LCIE 02 ATEX 6005X / 01
Amendment to EC Examination Certificate type LCIE 02 ATEX 6005 X / 02
As per the IECEx Certification System IEC 60079-0 (2004), IEC 60079-11 (1999),
IEC 61241-0 (2004), IEC 61241-11 (2005)
Certificate IECEx LCI 07.0010X
Type of protection ATEX and IECEx
Ex ib I
Ex ib IIC T5 or T4 or T3
Ex ib D 21 T
The battery must be replaced outside danger zone only.
Casing FR90 Bayblend, RD 3020 (red)
Labels sticking polycarbonat, 8A85 quality
PCB’s IRC > 100
Protecting varnish IRC (2 layers) > 100
Environment
Reference temperature 18°C to 28°C
Rated range of use 0°C to 50°C
Limit range of operation -10°C to 60°C
Storage temperature range -40°C to 70°C
Temperature coefficient max 0.1 x accuracy /°K
max. 0,2 x accuracy /°K in V
DC
and 50 mA
DC
Relative humidity 0 to 80% from 0°C to 40°C (70% max. for 5 MΩ/50 MΩ),
0 to 70% from 40°C to 50°C,
60% above 50°C
Max. temperature of use
in danger zone
≤
40
°
C