Instruction manual

Please unfold page 3. Then you can always see the operating

elements and connections described.

Contents

1 Operating Elements and Connections . . . . . . . . . . . . . . . . 12

2 Safety Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4 Setting into Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5 Carrying out Measurements . . . . . . . . . . . . . . . . . . . . . . . 14

5.1 Voltage measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.2 DC current measurement . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.3 Resistance measurement . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.4 Continuity check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

5.5 Decibel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.6 Battery test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.7 Transistor test (with model MT-300 only) . . . . . . . . . . . . . . 17

6 Replacing of Batteries or Fuse . . . . . . . . . . . . . . . . . . . . . 18

7 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1 Operating Elements and Connections

1 Range switch

2 Button “0Ω CAL. SW” for bridging the jacks “ COM” (4) and

“V.Ω.A” (10) for the 0 Ω calibration (with model MT-300 only):

while 0 Ω calibrating, keep this button pressed, by this the

short-circuiting of the test lead tips is not necessary which is

otherwise usual

3 Plug-in connections for testing transistors, with LEDs situated

above to indicate the transistor type (with model MT-300 only)

4 Jack “ COM” for the black test lead (negative pole)

5 Mirror scale to eliminate parallax errors while reading the

measuring value

6 Table with dB values which must be added to the reading value

during the dB measurement unless the lowest AC voltage

range has been selected