RIGOL M300 User Manual
Page 128
RIGOL
© 2007 RIGOL Technologies, Inc.
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