Extech Instruments EX230 User's Guide

User's Guide Multimeter with IR Thermometer Extech EX230

EX230-EU-EN-V1.2-09/10 10 AUTORANGING/MANUAL RANGE SELECTION When the meter is first switched on, it automatically enters the AutoRanging mode. This a

EX230-EU-EN-V1.2-09/10 11 Maintenance WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the back

EX230-EU-EN-V1.2-09/10 12 Specifications Function Range Resolution Accuracy DC Voltage 400 mV 0.1 mV ±(0.8% reading + 6 digits) 4V 0.001V ±(0.5%

EX230-EU-EN-V1.2-09/10 13 Function Range Resolution Accuracy Resistance 400 Ω 0.1 Ω ±(0.8% reading + 5 digits) 4 kΩ 0.001 kΩ ±(0.8% reading + 2 dig

EX230-EU-EN-V1.2-09/10 14 Enclosure Double molded Diode Test Test current of 0.9mA maximum, open circuit voltage 2.8V DC typical Continuity Thresh

EX230-EU-EN-V1.2-09/10 2Introduction Congratulations on your purchase of the Extech EX230 Autoranging Multimeter. This meter measures AC/DC Voltage, A

EX230-EU-EN-V1.2-09/10 3CAUTIONS • Improper use of this meter can cause damage, shock, injury or death. Read and understand this user manual before o

EX230-EU-EN-V1.2-09/10 4SAFETY INSTRUCTIONS This meter has been designed for safe use, but must be operated with caution. The rules listed below must

EX230-EU-EN-V1.2-09/10 5Controls and Jacks 1. IR Thermometer 2. Laser Pointer 3. 4000 count LCD 4. MAX button 5. MODE button 6. FUNCTION switch 7.

EX230-EU-EN-V1.2-09/10 6Operating Instructions WARNING: Risk of electrocution. High-voltage circuits, both AC and DC, are extremely dangerous and shou

EX230-EU-EN-V1.2-09/10 7RESISTANCE MEASUREMENTS WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all capacitors

EX230-EU-EN-V1.2-09/10 8CONTACT TEMPERATURE MEASUREMENTS (THERMOCOUPLE PROBE) 1. Rotate the function switch to the °F or °C position. 2. Insert the te

EX230-EU-EN-V1.2-09/10 9NON-CONTACT INFRARED TEMPERATURE MEASUREMENTS 1. Rotate the function switch to the IR position. The upper right four digit te