Extech Instruments CT40 User's Guide

USER GUIDE Cable Tester and Digital Multimeter Model CT40

CT40- EU-EN V1.7 1/13 2 Introduction Congratulations on your purchase of the Extech CT40. The CT40 is a cable tester which uses a transmitter/receiv

CT40- EU-EN V1.7 1/13 3 Meter Description 1. Low Battery Indicator -Receiver 2. Receiver Alligator Test Leads 3. Operation Indicator -Receiver 4.

CT40- EU-EN V1.7 1/13 4 Operation Transmitter and Receiver Cable Tester Operation 1. Press down the receiver’s ON/OFF switch. The upper blue displa

CT40- EU-EN V1.7 1/13 5 Digital Multimeter Functions AC/DC Voltage Measurements 1. Insert the black test lead into the negative COM terminal and

CT40- EU-EN V1.7 1/13 6 Continuity Check WARNING: To avoid electric shock, never measure continuity on circuits or wires that have voltage on them.

CT40- EU-EN V1.7 1/13 7 Maintenance REPLACING THE FUSES WARNING: To avoid electric shock, disconnect the test leads from any source of voltage befor

CT40- EU-EN V1.7 1/13 8 Specifications Max input voltage 600V AC/DC Diode Test Test current 1mA max., open circuit voltage of 1.5V typical Continu

CT40- EU-EN V1.7 1/13 9 Multimeter Specifications Function Range Accuracy 200mV, (0.5% rdg + 3d) 2.000V, 20.00V, (1.0% rdg + 3d) DC Voltage 20