Extech Instruments EX540 User's Guide

User's Guide Wireless TRMS Multimeter Model EX540

10 EX540-EU-EN V1.4-3/11 RELATIVE MODE The relative measurement feature allows you to make measurements r

11 EX540-EU-EN V1.4-3/11 DATA STORAGE RECALL 1. Press STORE button for two seconds to enter into RECALL

12 EX540-EU-EN V1.4-3/11 Maintenance WARNING: To avoid electric shock, disconnect the test leads from an

13 EX540-EU-EN V1.4-3/11 BATTERY INSTALLATION WARNING: To avoid electric shock, disconnect the test leads

14 EX540-EU-EN V1.4-3/11 REPLACING THE FUSES WARNING: To avoid electric shock, disconnect the test leads

15 EX540-EU-EN V1.4-3/11 Specifications Function Range Resolution Accuracy 400mV 0.01mV 4V 0.0001V 40V

16 EX540-EU-EN V1.4-3/11 Function Range Resolution Accuracy 400Ω 0.01Ω ±(0.3% reading + 9 digits) 4kΩ

17 EX540-EU-EN V1.4-3/11 Enclosure Double molded, waterproof (IP67) Shock (Drop Test) 2 meters (6.5 fee

2 EX540-EU-EN V1.4-3/11 Introduction This meter measures AC/DC Voltage, AC/DC Current, Resistance, Capaci

3 EX540-EU-EN V1.4-3/11 SAFETY INSTRUCTIONS This meter has been designed for safe use, but must be operat

4 EX540-EU-EN V1.4-3/11 Controls and Jacks 1. 40,000 count LCD display 2. STORE(<RECALL) button 3. M

5 EX540-EU-EN V1.4-3/11 Operating Instructions WARNING: Risk of electrocution. High-voltage circuits, bot

6 EX540-EU-EN V1.4-3/11 mV VOLTAGE MEASUREMENTS CAUTION: Do not measure mV voltages if a motor on the

7 EX540-EU-EN V1.4-3/11 AC CURRENT (FREQUENCY, DUTY CYCLE) MEASUREMENTS CAUTION: Do not make 20A current

8 EX540-EU-EN V1.4-3/11 CONTINUITY CHECK WARNING: To avoid electric shock, never measure continuity on ci

9 EX540-EU-EN V1.4-3/11 TEMPERATURE MEASUREMENTS 1. Set the function switch to the Temp position. 2. In