Extech Instruments MA440

MA44x‐en‐GB_V1.0 8/16
19
Resistance
400.0Ω 0.1 Ω ± (1.2% + 2 digits)
600V AC/DC
4.000k Ω 0.001k Ω
± (1.0% + 2 digits)
40.00k Ω 0.01k Ω
400.0k Ω 0.1k Ω
4.000M Ω 0.001M Ω
± (1.2% + 3 digits)
40.00M Ω 0.01M Ω
± (2.0% + 5 digits)
OpenCircuitVoltage:Approx.1.5V(MA440)and0.4V(MA443andMA445)
Continuity
400.0 Ω 0.1 Ω ± (1.2% + 2 digits) 600V AC/DC
Continuity:BeeperON<30Ω.BeeperOFF>60Ω.Beeperunspecified>30Ωand<60Ω
Diode
4.000V 0.001V
Silicon PN junction 0.5
to 0.8V (typically)
600V AC/DC
OpenCircuitVoltage:Approx.1.5V(MA440)and3V(MA443andMA445)
Capacitance
(MA440)
50.00nF 0.01 nF ± (4.0% + 25 digits)
600V AC/DC
500.0nF 0.1 nF
± (4.0% + 5 digits)
5.000 µF 0.001 µF
50.00 µF 0.01 µF
100.0 µF 0.1 µF
Capacitance
(MA443 and MA445)
40.00nF 0.01 nF ± (4.0% + 25 digits)
600V AC/DC
400.0nF 0.1 nF
± (4.0% + 5 digits)
4.000 µF 0.001 µF
40.00 µF 0.01 µF
400.0 µF 0.1 µF
4.000 mF 0.001 mF ± (10%)
40.00 mF 0.01 mF For reference only
Frequency (Hz)
10Hz~1MHz 0.01Hz~1kHz ± (0.1% + 4 digits) 600V AC/DC
Sensitivity:
MA440 (10Hz~1MHz): 200mVrms ≤input amplitude ≤20Vrms
MA443 and MA445 (≤100kHz): 100mVrms ≤ input amplitude ≤20Vrms (100kHz~1Mz): 200mVrms ≤ input
amplitude ≤20Vrms.
Duty Cycle (%)
0.1 ~ 99.9% 0.1% ± (2.5%) 600V AC/DC
Input amplitude: 500mVrms ≤ Input amplitude ≤ 20Vrms;
Duty Cycle applies to ≤10kHz Square Wave
Specified accuracy range: 10% ~ 90% range