MS004 – Test bench for starters and alternators



MS004 – Test bench for starters and alternatorsCompact table test bench MS004 is used for quick and quality diagnostics of starters, alternators and voltage regulators without applying any additional measuring devices. The test bench possess high power, thus, units can be diagnosed under different loads. The equipment has small dimensions, it can be placed both in small service centers and big shops specialized in selling equipment.

The bench includes the following diagnostic functions: testing of 12V and 24V alternators under load, 12V and 24V voltage regulators, 12V and 24V starters in idle running mode. Power supply is single-phase 220V, thus, there is no need industrial power supply.The device carries out testing of different alternators under load up to 100A. Connection of the 2nd battery is conducted from outside to the terminals on the bench body to achieve power supply of 24V for more convenient connection. Thus, usage of the 2nd battery is optional. New algorithms of testing have been implemented, meter accuracy has also been improved.


  • meets the latest requirements of contemporary service centers
  • multifunctional opportunities
  • no additional measuring devices needed
  • high-power performance
  • testing of units under different loads
  • has an option to follow testing results realtime
  • the latest testing algorithms
  • 220V domectic power supply
  • small dimensions
  • simple operation
  • quick testing procedure
  • long-lasting service
  • safety and reliability
  • 1 year warranty

The equipment set includes

  • test bench
  • 2 cables for external battery connection
  • wires to connect an alternator, starter, voltage regulator to the bench sockets
  • user manual

Technical characteristics MS004

Weight, kg70
Dimensions, (L×W×H), mm570×505×480
Supply voltage, V230±10%
Load on a tested alternator, A0-100
Voltage of tested alternators, V12/24
Drive power, kW2,2
Load adjustmentSmoothly
Drive speed, rpm0-3000
Drive speed adjustmentSmoothly
Drive speed directionLeft/right
Transmission type (drive/alternator)Belt
Belt typeV belt; timing belt
Power of tested starters, kWUp to 4
Read parametersVoltage; alternating current; constant current; drive rotation. COM voltage regulators: protocol; speed of exchange; protocol type; errors
Voltage of tested starters, V12/24
Voltage measurement accuracy, V0,1
Measured parametersVoltage; alternating current; сonstant current
Connection terminals of alternators«COM» (LIN, BSS), «P-D», «DFM», «D+», «RLO», «C», «SIG», «F/67»
Voltage of tested voltage regulators, V12/24
Tested parameters of voltage regulatorsStabilizing voltage; current rotor winding. COM voltage regulators: protocol; speed of exchange; regulator type; errors
Current measurement accuracy, A0,1
Short circuit protectionYes
Total check of voltage regulator, sec30
Short circuit sound alertYes
Terminals of tested voltage regulators«COM» (LIN, BSS), «P-D», «DFM», «D+», «RLO», «C», «SIG»
Battery model #1Identified according to the battery dimensions (L×W×H), mm, maximum: 207×175×175
Display parametersStabilizing voltage; rotor winding current. COM voltage regulators: protocol; speed of exchange; type of regulator; errors. DFM (alternator load control indicator, %)


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