Electrocorder EC-3V

  • Three phase; 600Vac (L1, L2 & L3 to Neutral) with phase rotation checker
  • Enables voltage problems to be highlighted quickly for further investigation
  • Three phase input (L1, L2, & L3) & Neutral (N). Use for single phase logging also
  • Integral Phase Sequence or Rotation Checker
  • Kit includes Logger, Carry Case, Free Electrosoft software, input leads & USB lead
  • Selectable averaging period to suit each situation, accurate to ±1% of reading, ±1 volt>
  • Memory capacity of 32,000 true RMS voltage values per phase (10 bit), up to 300 days continuous recording



EC-3V AC Voltage Data Logger with Integral Phase Sequence/Rotation Checker

The EC-3V AC Voltage Data Logger allows engineers to quickly and cost-effectively monitor and resolve single & 3-phase voltage problems. It has an integral Phase Sequence/Rotation Checker. The voltage levels are stored with dates and times. With the back-up battery, the Electrocorder data logger can continue to record for a year.

Kit includes data logger, voltage input leads, USB lead, Electrosoft software and carry case.

Why is the Electrocorder better than other similarly priced competitors? The Electrocorder range use a constant sampling technique, unlike the single reading of competitors. When the loggers start to record, they sample every channel 16 times per cycle, a cycle is 16ms at 60Hz and 20ms at 50Hz. At the end of each averaging period, 3 quantities are saved for each channel, the True RMS average, the Max, which is the highest cycle value during the period and the Min, lowest cycle value. This means that it will record all the peaks and troughs which are one cycle or longer.


EC-3V Specifications
Measurement range (Vrms) 0Vac to 500Vrms (Ph – Ph) or 0V to 300Vrms (Ph – N)
Maximum channel input voltage 500Vrms (Ph – Ph), 300Vrms (Ph – N) or 700Vpeak
Inputs (non-isolated inputs) Three phase inputs (L1, L2 & L3) & Neutral (N), Non-isolated input channels
Input socket types 4mm shrouded ‘banana’ plugs & sockets, each with insulated crocodile clip
Measurement accuracy ±1% of reading ±1 Volt, 90Vac – 450Vrms (ph – ph); else ±3%. (50/60Hz ±2%)
Vmin & Vmax meas time resolution Always one cycle (50/60 Hz), independent of selected averaging period
Sampling frequency 16 samples per cycle 800Hz @ 50Hz or 960Hz @ 60Hz
Data recorded Average voltage, max & min voltage-cycle-value during the averaging period
Memory capacity 192kB able to record 32,000 Voltage levels per phase
Memory type Non-volatile SEEPROM
Memory – averaging period & duration 1 sec to 60 mins (1sec gives 2 hrs logging, 60 min gives 300 days logging)
Real-time clock accuracy Greater than 0.001%
Input Lead Length Metric 2.0 metres; Imperial/English 6’ 6”(6 feet, 6 inches)
Battery life (while plugged in) Unlimited – mains powered & battery backup (9,000 hours, 1 year while unpowered)
Battery Type Unit contains three 9V Alkaline batteries (E-Block, PP3, 1604A)
Communications Interface type USB, optically isolated to 5,2kV
Electrosoft Software Windows (9x, 2K, ME, NT, XP, Vista & Windows 7); 1024 x 768 min resolution
Environmental (temp & sealing) -10C to +40C or +14°F to +104°F – Indoor or protected environment only!
Dimensions & Weight Metric 250 x 175 x 70mm & 500g Imperial/English – 10” x 6” x 3” & 1lb
Standards Recording – EN50160: 1994 – CAT III, maximum input voltage 600Vac


Electosoft Electrocorder Software GraphElectrosoft is supplied free with all Electrocorder loggers. It allows you to graph and export data files as well as plot energy costs and savings using voltage optimization techniques.

Overview of standard features and reports:Electrosoft Energy Graph

  • Sets-up loggers for recording
  • Plots voltage & current graphs
  • Plots energy & power graphs
  • Extrapolates CO2 usage
  • Database to track logger location
  • Alarms for late returns
  • Prints report quality graphs
  • Languages: En, Es, Fr, Hr, Cz, Fi, De, It, Po, Pt, Se
  • Database can be used across a network
  • Prints User Instructions
  • Plot multiple graphs on a single axes
  • View Voltage Optimization business case
  • Email data files
  • Voltage unbalance calculation
  • Draw Electrical Line Diagrams
  • Manage logger calibration dates
  • NEC 180 min/min calculations
  • Print previews & output to PDF, RTF, XLS, HTML etc