Rigol M300 Manual do Utilizador descarregar pdf (Página 128)

RIGOL

User’s Guide for DM3000 Series

5-8

Shunt Resistor: 0.025Ω for 1A, 10A,

1.025Ω for 200mA,

11.025Ω for 20mA

Input Protection: Externally accessible 10A, 250V fuse

Internal 12A, 250V fuse

Frequency and Period

Measurement Method: Reciprocal-counting technique. AC-coupled input using the ac voltage

measurement function.

Input Impedance (Voltage Signal): 1MΩ ± 2%, in parallel with <100pF

Shunt Resistor (Current Signal): 0.025Ω for 1A, 10A,

1.025Ω for 200mA,

11.025Ω for 20mA

Input Protection: 750VRMS all ranges;

Externally accessible 10A, 250V fuse

Internal 12A, 250V fuse

Capacitance

Measurement Method: Current input with measurement of resulting ramp.

Connection Type: 2-wire

Triggering and Memory

Samples per Trigger: 1 to 1000

Trigger Delay: 0 to 2000ms

Trigger Input:

Input Level: TTL compatible (High level when left trigger input open)

Trigger Condition: Selectable Rising, Falling, Low-level, High-level.

Input Impendence: >20kΩ, in parallel with 400pF, AC-coupled

Min Pulse width: 0.24ms

VMC Output:

Level: TTL compatible (Input to ≥ 1kΩ load)

Output Polarity: Selectable Positive, Negative

Output Impendence: 200Ω, typical

Nonvolatile Memory: 512k readings

Volatile Memory: 2M readings

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