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 2,000,000 
Trigger Delay:  0 to 3600 sec 
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 
  Delay:  <1μs 
Min Pulse width:  1μs 
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