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Specification S Specification Sheet

Spec Sheet v1.3

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PRELIMINARY – Reference conditions for factory tests: 19~25°C, 10%~60% RH, steady-state 10/12 cycle signals. ±1/2 display count on all accuracies

MAINS VOLTAGE MEASURING CHANNELS

Connection L1, L2, L3, N PQube3 screw terminals (max torque 5 inch-pounds (0,6Nm))

Frequency Range 40 Hz ~ 70 Hz and 320 Hz ~ 560 Hz. Nominal 50 Hz, 60 Hz, or 400 Hz auto-selected, 320-560 Hz user-selected.

Mains Configuration Single-phase, split-single-phase, delta, wye/star. User selected or auto-selected.

Range of Nominal Input Voltage 100 VAC ~ 960 VAC L-L (69 VAC ~ 480 VAC L-N). User selected or auto-selected.

Measurement Channels Line-to-Neutral, Line-to-Line, Line-to-Earth, Neutral-to-Earth

Sampling Rate 512 samples per cycle, phase-locked to input frequency on reference channel (L1-N)*

Measurement Range 0 VAC ~ 750VAC L-N (0 VAC ~ 1300 VAC L-L)

Accuracy ±0.05% rdg ±0.05% FS typical between 10%~200% of nominal, up to a maximum of 750VAC L-N.

RMS Measurement Method True single-cycle RMS, phase-locked to each channel, updated every cycle or every 1/2 cycle. URMS1⁄2 per IEC 61000-

4-30 Class A. Also 10/12 cycle true-RMS per IEC 61000-4-30 Class A.

Isolation PQube3 tested up to 5100VAC isolation to Earth. UL/IEC 61010 test pending.

Installation Category CAT IV UL/IEC 61010 for voltages up to 300 VAC L-N (equivalent to 480 VAC L-L), CAT III for voltages up to 600VAC

L-N. Pollution degree 2. UL/IEC 61010 test pending.

CURRENT INPUT CHANNELS - 5 or 8 CURRENT CHANNELS

Measurement Type External current transformer, voltage-type secondary – PQube3 screw terminal (Max torque 2 inch-pounds

(0,25Nm))

CT Input Ratio Range 1:1 to 50000:1

Nominal Input 0.333 V RMS

Input Impedance 33.3kΩ

Crest Factor 3.5 (±1.17 Vpk)

Sampling Rate Same rate as mains voltage measuring channels

Accuracy - excluding external CT's ±0.05% rdg ±0.05% FS typical (1% ~ 200% FS). NOTE: FS = 0.333V

Wire Connection Min. 28AWG (0,8 mm2), Max. 16AWG (1,31mm2). 600V UL- recognized insulation required

ANALOG INPUT CHANNELS

Connection AN1, AN2, AN3, AN4 PQube3 screw terminals

Nominal Input High range: ±60 VDC to Earth. Low range: ±10VDC to Earth.

Input impedance 1MΩ to Earth

Internal Pull-Up Voltage 2.5VDC

Full Scale High range: ±100 VDC, Low range ±10 VDC.

Measurement Channels Standard: AN1-E, AN2-E, AN3-E, AN4-E. DC Energy Mode includes DC Power and DC Energy.

Analog Ratio Range 1:1 to 10000:1

Accuracy ±0.05% rdg ±0.05% FS typical (1% ~ 100% FS), ANx-Earth.

PQube® 3 Specifications

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Power Standards Lab 2020 Challenger Drive, Suite 100, Alameda CA 94501 Tel +1-510-522-4400 Fax +1-510-522-4455 www.powerstandards.com

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DIGITAL INPUT

Connection DIG1 PQube3 screw terminal

Rating 60 VDC differential input

Wetting 2.4 VDC*

Threshold 1.5 V ±0.2 V across differential terminals, with 0.1 V hysteresis typical.

Sampling Rate Same rate as mains voltage measuring channels

POWER MEASUREMENTS

Definitions

Watts (power) Sum of true instantaneous per-phase power.

Volt-Amps (apparent power) Sum of per-phase product of RMS voltage and RMS current, taken over the measurement interval.

Power Factor True power factor—ratio of Watts to Volt-Amps

VARs (volt-amps reactive) Fundamental VARs

Inputs

Voltages L-N or L-Nm for delta configurations. Nm defined as measurement neutral, the instantaneous average L-E voltage.

Currents L1, L2, L3, L4, L5, L6, L7, L8 currents.

Measurement interval Phase-locked, 10-cycles (50 Hz nominal) or 12-cycles (60 Hz nominal).

Accuracy excluding external CTs

Watts (power) ±0.1% rdg typical at unity power factor, nominal voltage, 10% ~ 100% FS current.

±0.2% rdg typical at 0.5 power factor, nominal voltage, 10% ~ 100% FS current.

Volt-Amps (apparent power) Better than ±0.1% rdg, 10% ~ 100% FS current

POWER QUALITY MEASUREMENT IEC 61000-4-30 Class A

Frequency Range 40 Hz to 70 Hz and 320 Hz to 560 Hz, Accuracy ±0.01 Hz, steady state

Voltage Amplitude Range 10%~200% of nominal – Accuracy ±0.1% Udin (Udin=120V,230V)

Method: True single-cycle RMS, phase-locked to each channel, updated every cycle or every 1⁄2 cycle. URMS1⁄2 per IEC

61000-4-30 Class A. Also 10/12 cycle true-RMS per IEC 61000-4-30 Class A.

Flicker Range 0.2 ~ 10 IEC 61000-4-15 Ed. 2 Class A

Voltage dips/swells/interruptions IEC 61000-4-30 Class A, Accuracy ±0.2% of nominal voltage, duration accuracy : ±1⁄2 cycle at beginning of event

and ±1⁄2 cycle at end of event, hysteresis selectable

Rapid Voltage Changes (RVC) Method IEC 61000-4-30 Class A Ed 3 – Accuracy 0.2%

Unbalance Range 0.0% ~ 999.9%, ANSI C84.1 or method of symmetrical components, accuracy ±0.15%,

Voltage Harmonics and Interharmonics Range 10% – 200% of Class 3 of IEC 61000-2-4, Accuracy : ±5% of reading for signals ≥ 1% of nominal, ±0.05% of

nominal for signals < 1% nominal voltage

Method IEC 61000-4-7 Class I, Gapless FFTs on L1-N, L2-N, L3-N, order up to 63rd

Mains Signalling voltage Range 0% ~ 15% of nominal voltage, Accuracy ±5% of reading for signals between 3% ~ 15% of nominal, 0.15% of

nominal for signals between 1% and 3% of nominal, no requirements for signals < 1% nominal

Method: Detection Threshold- user selectable, Recording Period – user selectable, Mains Signalling Frequency

User-selectable

Underdeviation and Overdeviation Range 10% ~ 150% of nominal voltage, Accuracy ±0.1% of nominal voltage, Method : IEC 61000-4-30 Class A Ed. 2

POWER QUALITY - 2-150kHz CONDUCTED EMISSIONS MEASUREMENT

Measurement Method IEC 61000-4-30 Class A Ed. 3, Annex C

Range ±60Vpk