The InterLogger becomes a comprehensive, full-featured power logger in a rugged compact case. The InterLogger Power KeyCard measures the odd and even harmonics up to the 50th to cover the vast majority of harmonic problems. The KeyCards are special memory cards that contain the firmware to reprogram your InterLogger into many different recorders. Plug in the Power KeyCard and the InterLogger becomes a power logger. Plug in the Voltage KeyCard and you have a fully configured voltage logger. The Current Inrush KeyCard turns your InterLogger into a cycle-by-cycle RMS current and voltage recorder.


  1. 8 Channels, 4 Voltages, 4 Currents, 12 Bit Resolution
  2. -20°C temperature range for extreme weather conditions, Proof Case (IPX4)
  3. Current Clamps from 5A to 3000A
  4. Up to the 50th Harmonic Voltage & Current
  5. Field Programmable
  6. Field Readout of Recorded Values


INTERLOGGER Power Specifications


Measurement Lines 1P2W, 1P3W, 3P3W, 3P4W, 2½ E


·  Instantaneous Minimum/Maximum and Average Values for up to 4 Currents and Voltages.
·  Average Value for Frequency, Effective Power, Reactive Power, Apparent Power, and signed Power Factor for up to 3 Channels.
·  Instantaneous Values for THD (V), THD (I), Harmonic Components up to 50th (I & V), and Waveform Storage (I & V) for 4 Channels.
·  Demand
·  Graphical and Tabular analysis of all data including Angular Magnitude calculations for Current and Voltage harmonics.

  Voltage 240/600 VAC+ 25% Over-Range
Measurement Ranges Current 1 VAC Fixed Range (5A - 3000A Clamps Available)
  Frequency 45-65 Hz - Autosensing
CT/PT Ratios Adjustable to 50,000:1
  Voltage ½% rdg. ±1 LSD
Accuracy Current ½% rdg. ±1 LSD (Plus Clamp Error)
     Power ½% rdg. ±1 LSD (Plus Clamp Error)
Sample Rate 128 Samples/Cycle
Memory ·  RAM Card Storage  up to 2 Mbytes
·  Survey Length is automatically assigned depending on memory size, storage rate, and selected parameters
Display 2x20 Characters, Alphanumeric
Communications USB Isolated COM Interface and/or via PCMCIA port
Power External 100-240VAC to 9VDC or 6-volt internal rechargeable battery during a power failure. Max.4.5W while charging the battery.
Operating Temperature -20°C to 50°C (0°F to 125°F)
Operating Humidity 0 to 90% non-condensing
Physical W x L x H 9¾" x 10¾" x 7" (25 cm. x 27 cm. x 18 cm.)
Characteristics   Weight 11.2 lbs. (5 kg.)
Software Requirements Data Trend for Windows version 2.0 or later, Pentium class PC compatible, Windows 95 or better, 4 Mb of hard disk space, VGA display, mouse and 1 free serial port.
IP Rating IPX4
Approval   nrtl600V CAT IV (Measurement category IV is for measurements
Performed at the source of the low-voltage installation).
Certificate No.: U8 11 07 77478001
Test report No.: 240-1008716-000
Specifications subject to change without notice.