Part No.

SEN033
Transmitting the measured electrical current flow wirelessly.

 

Measure the alternating current (AC) and report the average of 5 measurements every 30 seconds. Wireless current sensors (CT) measure the alternating current (AC) and report the average of 5 measurements every 30 seconds. They can easily be fitted inside a machinery panel, distribution panel or other suitable location. They simply clip around a cable, so there’s no interruption to the electrical supply.

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  • OVERVIEW
  • Detail
  • TECHNICAL

Features, Benefits & Functions

  • Sensors measure AC current (50Hz or 60Hz). Reports average of 5 measurements every 30 seconds  
  • Transmit data wirelessly and securely – using AES-128 encryption – via EnOcean wireless protocol, which uses internationally approved, licence-free ISM bands  
  • Manufactured in the UK
  • Self-powered using ultra-low energy from the measured conductor, so there’s no need for batteries or wiring  
  • Clamps simply clip around cables with no interruption to electrical supply. The wireless transmitter attaches outside the panel for reliable wireless data transmission is wirelessly transmitted.

Measure the alternating current (AC) and report the average of 5 measurements every 30 seconds.

 

Wireless current sensors (CT) measure the alternating current (AC) and report the average of 5 measurements every 30 seconds. They can easily be fitted inside a machinery panel, distribution panel or other suitable location. They simply clip around a cable, so there’s no interruption to the electrical supply. 

 

Single-channel clamps measure the electrical current flowing in a single cable, while three-channel clamps measure current in 3 individual cables. Normally you will find single-phase systems in, for instance, households and office buildings. In the industry and for heavier machines, three-phase electric power is typically used.

Technical

Transmission rate: reports average of 5 measurements every 30 seconds
Measurement ranges: 
 • 1A-60A (+/- 0.1A or 2%, whichever is greater)
 • 2A-200A (+/- 0.1A or 2.5%, whichever is greater)
AC current frequencies: 50Hz or 60Hz
  
Power: energy harvesting - powered by the measured conductor
  
Protocol: EnOcean
Radio frequency: 
 868 MHz for Europe and other countries adopting RED
 902 MHz for USA (FCC spec) and Canada (IC spec)
 928 MHz for Japan (ARIB specification)
Range: up to 30 metres in buildings and 300 metres in free field
Telegram type: VLD
EnOcean  
Equipment Profile (EEP): D2-32-00
Interoperability: EnOcean certification 2.0
  
Material: nylon 66
IP rating: IP4X
Dimensions of CT clamp: 
 60A: 25 x 22 x 35 mm (approx)
 200: 35 x 45 x 65 mm (approx)
 Dimensions of transmitter: 80 x 55 x 20 mm (approx)
  
Fixing: clamp clips around single core cable. Adhesive pads or screws provided for transmitter
Diameter of  
measurable conductor: 
 60A: 10mm or less
 200A: 24mm or less
Operating temperature  
and humidity range: -5°C to +40°C; 0-85%
Storage temperature  
and humidity range: -20°C to +55°C; 0-85%
Environment: indoor
Calibration: not required
  
 CE approved, RoHS compliant, FCC compliant