M411 – Power Monitor

Features

  • 8 differential voltage measuring channels
    - Input voltage range -25V .. +25V with lowside current monitoring 
    - Input voltage range -14V .. +30V with highside current monitoring 
    - Resolution: 14bit 
    - Accuracy: +/- 1% (measured value) +/- 3mV
  • 8 Current measuring channels
    - Input voltage range on shunt -40mV .. +40mV 
    - Current range and accuracy depend on external shunt resistor 
    - Resolution: 14 bit 
    - High- and low-side current monitoring possible
  • Synchronous sampling of current monitoring possible 
  • Galvanic isolation 
  • Usable for power and energy monitoring 
  • Sampling rate 300kHz 
  • Adjustable timestep size for logging to up to 200kSPS

Technical Data

Input channels
  • 8 differential voltage measuring channels 
  • 8 current measuring channels
Input voltage range
  • Input voltage range -25V .. +25V with lowside current monitoring 
  • Input voltage range -14V .. +30V with highside current monitoring
Input current range
  • Depending on used shunt 
  • Voltage range on shunt -40mV .. +40mV
Input voltage resolution
  • 14 bit
Input current resolution
  • 14bit
Sampling rate
  • 300 kHz
Logging timestep
  • 1kSPS .. 200 kSPS
Buffer size
  • 2048 pairs of voltage and current, e.g. 20ms at 100kSPS
Connector
  • 5-pin D-Sub connector (female)

  • Testing the behavior of airbag ECUs after airbag ignition 
  • Logging the envelope of voltage and current for up to 20 ms at 100kHz sample rate on all channels synchronously