Extech MA430 Digital-Multimeter, DMM, MA430 데이터 시트

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MA430
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MA430-EU-EN V1.1   3/13 
Introduction 
 
Congratulations on your purchase of this Extech MA430 Clamp Meter. This meter measures AC 
Current, AC/DC Voltage, Resistance, Diode Test, Continuity and Non-Contact Voltage detection. The 
double molded case is designed for heavy duty use. This device is shipped fully tested and calibrated 
and, with proper use, will provide years of reliable service. Please visit our website (www.extech.com) 
to check for the latest version of this User Guide, Product Updates, and Customer Support. 
Safety 
International Safety Symbols 
This symbol, adjacent to another symbol or terminal, indicates the user must refer 
to the manual for further information. 
 
This symbol, adjacent to a terminal, indicates that, under normal use, hazardous 
voltages may be present 
 
Double insulation 
 
This WARNING symbol indicates a potentially hazardous situation, which if not 
avoided, could result in death or serious injury. 
This CAUTION symbol indicates a potentially hazardous situation, which if not 
avoided, may result damage to the product. 
 
 
 
PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY 
OVERVOLTAGE CATEGORY I 
Equipment of OVERVOLTAGE CATEGORY I is equipment for connection to circuits in which 
measurements are taken to limit the transient overvoltages to an appropriate low level. 
Note – Examples include protected electronic circuits. 
OVERVOLTAGE CATEGORY II 
Equipment of OVERVOLTAGE CATEGORY II is energy-consuming equipment to be supplied from 
the fixed installation. 
Note – Examples include household, office, and laboratory appliances. 
OVERVOLTAGE CATEGORY III 
Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations. 
Note – Examples include switches in the fixed installation and some equipment for industrial use with 
permanent connection to the fixed installation. 
OVERVOLTAGE CATEGORY IV 
Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the installation. 
Note – Examples include electricity meters and primary over-current protection equipment 
WARNING 
CAUTION