Power Mesurement
 Power Transducers
When it comes to measuring power, M-System offers a full line of power measuring transducers. These products report AC volts, AC current, power factor, watts, vars and phase angles measurements. From 1A AC to 3000A AC, M-System has a solution for you.
Application Notes Power Measurement INDEX
LT-UNIT LT Series
Power Transducers		 CE
Data Sheet
  • AC current up to 5A, AC voltage up to 550V.
  • True RMS sensing
  • Auxiliary powered and self powered types selectable
  • Surface or DIN rail mounting
  • M4 screw terminal
  • Conform to IEC 60688
  • Optional terminal cover
  • Additional pulse rate output for totalizing counter for watt transducers

52U 53U
Multi Power Monitor with Modbus		 CE
Data Sheet
  • 1/4 DIN (96 x 96 mm) panel size
  • Four digital displays
  • Single type module is usable for all of single-phase/2-wire and 3-wire, three-phase/3-wire and 4-wire systems.
  • All measured variables can be transmitted to the host PC via RS-485/Modbus RTU.
  • Energy count pulse or limit alarm output selectable
  • Up to 4 optional analog outputs
  • Programming lock to prevent unwanted configuration changes
  • Input range up to 480 Vac, 1 A or 5 A
Product Features >>No.1 , >>No.2

52U 54U / 54UC
Multi Power Monitor with Modbus & CC-Link		  
Modbus:Data Sheet CC-Link:Data Sheet
  • 110 x 110 mm panel size
  • Robust screw terminal connection
  • Four digital displays
  • 60-segment bargraph
  • Single-phase/2-wire and 3-wire, three-phase/3-wire and 4-wire systems
  • All measured variables can be transmitted to the host PC via RS-485/Modbus RTU or CC-Link.
  • Energy count pulse or limit alarm output selectable
  • Up to 4 optional analog outputs
  • Programming lock to prevent unwanted configuration changes
  • Input range up to 480 Vac, 1 A or 5 A

LSMT3

LSMT3
Multi Power Transducer

 CE
Data Sheet
  • Measures AC current, voltage, active/reactive/apparent power and power factor
  • AC/DC universal power input
  • Conforms to IEC 688

LSMT2 LSMT2
Multi Power Transducer with Modbus
Data Sheet
  • Monitors multiple power parameters with one unit
  • Supports three-phase / 3- or 4-wire configurations
  • 8 field-configurable AC power monitoring parameters
  • 10 analog outputs representing various power parameters
  • Modbus RTU output for remote system monitoring
  • Watthour pulse for total power consumption
  • Ideal for power qualiry and power management and control

CTPH, PTPH CTPH / PTPH
High Speed Response CT/PT Transmitter
Peak Hold Function
CTPH:Data Sheet PTPH:Data Sheet
  • Converts an alternating current from a current/Voltage transformer into a standard process signal
  • Dual output: The second output can be switched to ‘peak hold’ mode with the front DIP switch
  • Resetting the peak hold output with the front reset control button
  • CT Protector provided for open-circuit protection (CTPH)
  • True RMS sensing with fast 50-millisecond response time (0 – 90%) is possible
Product Features

CTS CTS
High AC Current Transmitter
with Integral Probe		 CE
Data Sheet
  • Wide bandwidth 4 Hz up to 10 kHz
  • Rogowski type probe ensures stable measurement.
  • Flexible current probe can be clipped around a conductor without disconnecting the conductor.
  • Measuring in tight places as never before possible.
  • 300 Amps type and 3000 Amps type available
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