Metrix MX 57 EX User Manual

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User manual (104 pages)

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Page 1 MX 57 EX Multimètre - Multimeter Multimeter - Multimetro - Multímetro 50 000 points - counts - Punkte - punti - puntos de sécurité intrinsèque intrinsically safe mit Eigensicherheit a sicurezza intrinseca de seguridad intrínseca Notice de fonctionnement User's manual Bedienungsanleitung Libretto d’istruzioni...
Page 2 X02137C00 - Ed. 1 - 06/07 Chapitre I IECEx LCI 07.0010 X LCIE 02 ATEX 6005 X II 2 G D or I M2 Ex ib I Ex ib IIC T5 or T4 or T3 Ex ibD 21 T IP 67 See User’s manual U <...
Page 3 This MX 57 EX multimeter complies with safety standard EN 61010-1 (2001), double insulation, relative to electronic measuring instruments. This instrument has been designed for indoor use, in an environment with pollution level 2, at an altitude of less than 2000 m, at a temperature between 0°C and 50°C, with relative humidity of less than 80% up to 40°C.
Page 4 X02137C00 - Ed. 1 - 06/07 Chapter II ∗ For your own safety, only use the measuring probes which have been delivered with the instrument. Before use, check that they are in good condition. ∗ In an explosive atmosphere, use only accessories that have a certificate of conformity authorising their use with this multimeter.
Page 5 Chapter II X02137C00 - Ed. 1 - 06/07 ∗ If any faults or abnormalities are observed, take the instrument out of service and ensure that it cannot be used until it has been checked out. ∗ It is recommended to remove the battery from the instrument if not used. 1.2.
Page 6 X02137C00 - Ed. 1 - 06/07 Chapter II 1.5. Maintenance Maintenance of this unit can only be performed by a person who has undergone training on intrinsic safety rules. Return your instrument to your distributor for any work to be done within or outside the guarantee.
Page 7 Chapter II X02137C00 - Ed. 1 - 06/07 DESCRIPTION This multimeter is one of the ASYC II (Advanced SafetY Concept, second generation) range, designed for a high degree of user safety, maximum protection and unrivalled performance. 2.1. Selector switch This standalone, handheld professional measuring instrument is capable of measuring the following quantities (accessed by the eight-position rotary selector switch) : ∗...
Page 8 X02137C00 - Ed. 1 - 06/07 Chapter II COMMISSIONING 3.1. Connecting the test leads Connect the black lead to the COM socket (for all measurements). Depending on the position of the selector switch, connect the red lead as follows : Rotary selector switch position Input terminal Ω,...
Page 9 Chapter II X02137C00 - Ed. 1 - 06/07 3.5. Multimeter maintenance Any internal intervention can only be performed outside the danger zone. 3.5.1. Fuse self-test F1 Fuse: When the switch is set to the µA mA position and the (0.500 A, 125 V) F1 fuse of intrinsic safety is cut, the display shows "FUSE".
Page 10 X02137C00 - Ed. 1 - 06/07 Chapter II FUNCTIONAL DESCRIPTION 4.1. SEL/ON key This can be used to switch on the multimeter again after an automatic shutdown. It can also be used to access secondary functions associated with the selector switch positions. The flowcharts below define these various functions.
Page 11 Chapter II X02137C00 - Ed. 1 - 06/07 4.1.3. mV position DC voltage measurement 500 mV range SEL/ON AC + DC voltage measurement 500 mV range SEL/ON 4.1.4. Ω Ω Ω Ω position Resistance measurement SEL/ON Continuity test SEL/ON 4.1.5. position Capacitance measurement SEL/ON...
Page 12 X02137C00 - Ed. 1 - 06/07 Chapter II 4.1.6. µA mA position DC current measurement SEL/ON AC current measurement SEL/ON AC+DC current measurement SEL/ON LECTRICAL PECIFICATIONS OF THE NTRINSICALLY IRCUITS I ≤ ≤ ≤ ≤ 500 mA 4.1.7. ° ° ° ° C Position Temperature measurement SEL/ON >...
Page 13 Chapter II X02137C00 - Ed. 1 - 06/07 4.2. RANGE key • In AUTO mode, to switch to MANUAL mode (short press). • In MANUAL mode, to select the next range (short press) or return to AUTO mode (long press). Measurements concerned : voltages, capacitance, resistance, currents.
Page 14 X02137C00 - Ed. 1 - 06/07 Chapter II 4.7. SURV key If you press this key (long press), you access the surveillance mode (or coming out), in which minimum (MIN), maximum (MAX) and sliding average (AVG) values of the current measurement are stored (capture time ≥...
Page 15 Chapter II X02137C00 - Ed. 1 - 06/07 TECHNICAL SPECIFICATIONS Only those values assigned tolerances or limits are guaranteed values. Values without tolerances are given for information only (French standard NFC 42-670). {Accuracy : ‘’n% R + nD’’ means ‘’n% of the reading + n digits’’ as per IEC 485} When the measurement terminals are connected to an intrinsically safe circuit, (♦) the electrical specifications of intrinsically safe circuits must conform following...
Page 16 X02137C00 - Ed. 1 - 06/07 Chapter II Number of counts : 50 000 (or 5 000 - refer to §. 3.4.) Range selection : automatic or manual for the 5 V, 50 V, 500 V, 600 V ranges Common mode rejection : at 50 and 60 Hz, better than 80 dB Additional error according to crest factor : 0.2 % for a crest factor of 2 to 3...
Page 17 Chapter II X02137C00 - Ed. 1 - 06/07 Number of counts : 50 000 (or 5 000 - refer to §. 3.4.) Range selection : automatic or manual for the 500 µA, 5 mA, 50 mA, 500 mA ranges Additional error according to crest factor : 0.2 % for a crest of 2 to 3 0.5 % for a crest of 3 to 6 (Specification given full scale for a squarewave signal pulse 200 µs wide) Additional error in IAC+DC with a direct current at input : 1 %...
Page 18 X02137C00 - Ed. 1 - 06/07 Chapter II 5.7. Diode threshold voltage measurement Measurable voltages : 0 to 2 V Measurement current : 1 mA ± 20 % Resolution : 1 mV Protection : 600 V , can be reset automatically. 5.8.
Page 19 Chapter II X02137C00 - Ed. 1 - 06/07 5.11. Duty cycle: %+, %- θ θ θ θ x 100 x 100 % + = % - = Resolution : 0.01% Minimum duration for θ or T - θ : 2 µs Maximum duration for T : 0.8 s Minimum duration for T :...
Page 20 X02137C00 - Ed. 1 - 06/07 Chapter II 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)
Page 21 Chapter II X02137C00 - Ed. 1 - 06/07 This unit was designed in compliance with the EMC standards in force and its compatibility has been tested in accordance with the following standard : • Emission (cl. A) and Immunity NF EN 61326-1 (1997) ; A1 (1998); A2 (2001) •...

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