• Instant calculation of harmonic distortion of plus amplitude, percent and phase of each harmonic.
• Calculation o power in Watts, VA or VAR and power factor, as well as network impedance.
• Fast on-the-spot printed records with date and time recorded.
• Unattended logging of any or all parameters at up to 15 preset times or at preset intervals with results recorded on a tape cassette.
• Fast analysis up to the 50th harmonic of all parameters from one run of data.
• Digital precision for reliable, repeatable readings, even with ambient temperature variations.

Specifications

Inputs:
Number of channels: two
Isolated input mode: 4, transformer-isolated, floating, connectors for current or voltage; high and low inputs for each channel
Non-isolated input mode: 2 identical, arranged high and ground
Frequency ranges: isolated - 40 Hz-3.2 KHz; non-isolated - 1 Hz-500KHz
Amplitude ranges: isolated - 50-500 V; 0.5-5A; non-isolated - 1, 3, 10, 30, 100, 300 .V or mV
Auto-range: either or both input channels automatically select correct voltage range within 3 msec plus 2 x measurement time for each range changed
Impedence: isolated - 230 Krohms voltage; 0.02 ohms, max. current; non-isolated - 1 megohm in parallel with 100 pf
Correction factor: programmable to automatically correct for loading effect of instrument and external potential and current transformers
Crest factor: 2.0 max. with full scale input
Frequency reference: automatic lock on input signal or ext. reference from 1 Hz to 500 KHz

Measurements:
Number of harmonics: up to 50th
Maximum time per measurement (settable): 16 samples (to 7th har.) - 1 cycle or 1.4 msec, whichever greater; 64 samples (to 31st har.) - 1 cycle or 5.68 msec, whichever greater; 256 samples (to 50th har.) - 1 cycle or 22.72 msec, whichever greater
Analog settling time: 20 µsec max. for pulsed sinewave to within rated accuracy (except when auto-ranging)
Response time (for step change in frequency): fast (clean inputs) - 6 x measurement time or 4 msec. whichever greater; slow (noisy inputs) - 60 x measurement time or 40 msec. whichever greater
Output reading repetition rate: 4/sec display only; 2/sec for printer; 4/sec for remote output (RS232C or optional IEEE-488)
Measurement trigger: keyboard, int., ext. or via optional IEEE-488

Functions:
For each harmonic (ch 1 and/or ch 2): % of fundamental Vand A; phase difference from fundamental (phaseF-phaseH) - harmonic phase
For each harmonic and fundamental (ch 1 and/or ch 2): Volts (RMS), Amps (RMS); power, VA, VAR; ratio, complex ratio; power factor (PF); frequency (fundamental only) phase difference between ch 1 and ch 2 (phase2-phase1)
For total signal (ch 1 and ch 2): total harmonic distortion (THD); power, ratio, Volts (RMS), Amps (RMS)

Key Features:
Real-time clock: date and time displayed and printed; measurements can be preset for any of 15 times within 24 hours or at preset time interval; 1 hr battery backup to ride through power drop-outs
Stored setups: 8 different setups in non-volatile memory
Auto restart: unit automatically restarts in the default setup after temporary power loss; real-time clock is not interrupted
Cassette recording: automatic recording on cassette deck through standard RS-232C port (unattended operation)

Readout:
Display: 20 character alphanumeric LED
Printer: 20 column alphanumeric, thermal matrix-type strip; unless turned off, automatically reproduces all information on the display
Interface: standard RS-232C port (rear panel) for external cassette deck, TTY or digital printer; IEEE-488 optional

Physical:
Size: 17 in. (43.2 cm) wide x 15.5 (39.4 cm) deep X 7 in. (17.8 cm) high; with 3100-RB-2 Kit, height is 10.5 in. (26.67 cm).
Weight: approx. 45 lbs. (20.5 Kgm)
Temperature: 0° to 45° C. operating; -40° to +55° C. storage
Power: 90 Watts, 95-130VAC or 190-250 VAC (selectable); 47-63 Hz