ดิจิตอลมัลติมิเตอร์ SANWA Digital Multimeter รุ่น CD800a
Function&Range Accuracy Input Impedance Remarks
DCV
DC Voltage
400.0mV ±(0.7%rdg+3dgt) ≥100MΩ
4.000V ±(1.1%rdg+3dgt) Approx. 11MΩ
40.00V Approx. 10MΩ
400.0V
600V
ACV
AC Voltage
4.000V ±(1.6%rdg+9dgt) Approx. 11MΩ

 *Accuracy in the cace of sin wave

40 – 400Hz

40.00V ±(1.6%rdg+5dgt) Approx. 10MΩ
400.0V
600V
Ω
Resistance
400.0 Ω ±(1.5%rdg+5dgt)

 Open voltage : Approx. DC 0.4V

Themeasurering current changes according to the
resistance of the resistor to measure.

4.000k Ω ±(1.2%rdg+5dgt)
40.00k Ω
400.0k Ω
4.000M Ω ±(2.0%rdg+3dgt)
40.00M Ω ±(4.0%rdg+3dgt)
Capacitance 50.00nF ±(5.0%rdg+10dgt)  *Auto range only
Accuracy was measured after canceling didplay
value by relative key
500.0nF
5.000µF
50.00µF
100.0µF
Hz
Frequency
5.000Hz ±(5.0%rdg+3dgt)  *Auto range only
1Hz – 1kHz 4Vrms – 250Vrms
1kHz – 100kHz 4Vrms – 20Vrms
50.00Hz
500.0Hz
5.000kHz
50.00kHz
100.0kHz
%
Duty Cycle
20-80% ±(0.5%rdg+5dgt)   *Auto range only
5Hz – 60Hz 3Vrms – 30Vrms
60Hz – 200Hz 4.9Vrms – 30Vrms
DCmA
DC Current
40.00mA ±(2.2%rdg+5dgt)  Approx. 1Ω
without resistance
of Fase
400.0mA
ACmA
AC Current
40.00mA ±(2.8%rdg+5dgt)  Approx. 1Ω
without resistance
of Fase
 *Accuracy in the cace of sin
wave 40 – 400Hz
400.0mA
Checking Continuity  Buzzer sounds at less than 10-120Ω ◦ Open voltage:Approx.DC 0.4V
Testing Diode  Open voltage:Approx.DC 1.5V

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