Extech Instruments MA400 Manuel d'instructions

1 382860 Ver. 1.5 2/01 Instruction Manual MODEL 382860 True RMS

10 382860 Ver. 1.5 2/01 2. Connect the test-leads to the device under test. Ensure that all power is rem

11 382860 Ver. 1.5 2/01 6.7 Capacitance Measurement Attention: When shorting capacitors (discharging), hi

12 382860 Ver. 1.5 2/01 4. Now connect the other end of the black test-lead to the “ground” point of the

13 382860 Ver. 1.5 2/01 Main LCD Left sub-LCD Center sub-LCD Right sub-LCD Mode 0 Watts AC Load Cu

14 382860 Ver. 1.5 2/01 Switch setting from POWER with the Adaptor connected. Serious injury and meter da

15 382860 Ver. 1.5 2/01 9.2.2 Using the Windows Software Follow these steps to install and run the Windo

16 382860 Ver. 1.5 2/01 11. REPAIR AND CALIBRATION SERVICES Extech offers complete repair and calibration

2 382860 Ver. 1.5 2/01 2. SPECIFICATIONS 2.1 General Specifications Display One Main and three Sub 3-3/4

3 382860 Ver. 1.5 2/01 Mode Measuring Range Accuracy Resolution 4kHz 1Hz 40kHz 10Hz 400kHz 100H

4 382860 Ver. 1.5 2/01 3. METER DESCRIPTION Function Keys: • Power ON/OFF Key • FUNCTION Select Key

5 382860 Ver. 1.5 2/01 • To avoid an electrical shock, don’t touch directly or indirectly the test probe

6 382860 Ver. 1.5 2/01 5. BASIC METER OPERATION 5.1 Quick Start • Connect the test leads to the meter

7 382860 Ver. 1.5 2/01 • mA-Measuring Socket For DC/AC mA current measurements below 400mA, insert the

8 382860 Ver. 1.5 2/01 • MEM (Memory): Up to 10 measurements (0 to 9) can be stored and recalled. Press

9 382860 Ver. 1.5 2/01 6. MEASUREMENT INSTRUCTIONS 6.1 Voltage AC/DC Measurements (True RMS for AC Volta