AEMC 3945-B PowerPad 3-Phase Power Quality Analyzer

The AEMC 3945-B PowerPad is a hand-held three-phase power and power quality meter with a large easy-to-read graphical color display. It is a highly-capable, easy-to-use three phase power quality analyzer that offers more for your money than other higher-priced brands. If you're in the market a product like this, we highly recommend you check out this product.

All the AEMC PowerPad's measurements are displayed numerically and graphically with colored waveforms. The meter is menu driven with pop-up functions that are activated at the push of a button. All necessary measurements are available for a comprehensive power system check or analysis to 830Vrms; 6500Arms with a complete family of clamp-on and flexible probes.

Troubleshooting is so much easier, now you can see the volts, amps and harmonic content in real time and take pictures to document and analyze. The full color graphical display lets you see and analyze each signal clearly. Its high speed sample rate, at 256 samples per cycle, provides excellent fidelity in reproducing waveforms and capturing transients that happen as fast as 62.5µs.

The AEMC PowerPad Three Phase Power Quality Analyzer’s large memory is stores four different types of data, synchronized with or independent of each other. In addition to the raw data, you can also store up to 12 screen snapshots, up to 50 captured transients that contain four cycles for each active input and 4096 alarm events. You can also record trend data for days, weeks or even months at the same time! These powerful monitoring capabilities are hard to beat ... especially at this price.

AEMC 3495-B PowerPad’s direct access system lets you see the important information you need at the press of a button. Quickly review waveforms, harmonics, transients, alarms and recorded data on screen. Setup is straightforward using a combination of graphic and text prompts to quickly configure PowerPad for the job site.

Also, the AEMC 3945-B PowerPad has a logging function, a transient capture function, an event capture function, an optical RS-232 and an advanced software (DataView®), which can pilot the PowerPad and provide comprehensive graphical reports.

Applications:

• Verification of power distribution circuits
• Measurement and recording of power system quality (kW, VA, VAR)
• Energy metering (kVAh, VARh, kWh)
• In plant troubleshooting of power distribution panels and individual machinery
• Monitor pad mount transformers
• Determine harmonic problems originating from source or load
• Monitor phase balances
• Determine transformer K-factor

The AEMC PowerPad is sold as kits - this part number is for the PowerPad (standalone) excluding CTs.  For better value, consider an AEMC PowerPad kit that comes complete with your choice of clamp-on or flexible current probe listed in the box below.

What's Included:

• DataView® software FREE for data storage, real-time waveform display, analysis and report generation
• Carry case
• Voltage probes
• Optical RS232 communications cable

Full Review

Six direct access function buttons quickly let you see:

Waveforms – Display Volts, Amps, THD and Crest Factor by phase or for all phases. You can display all the voltage inputs on one screen, phase-to-phase or phase-to-neutral. Real-time phasor diagrams can be displayed for volts and amps, also by phase or for all phases including phase unbalance.

Harmonics – Display Harmonics out to the 50th for Volts, Amps and VA.  Individual Harmonics are displayed as a percentage and in real value.  Harmonic direction and sequencing can also be displayed.

Transients – Set, capture and display transients. You select the threshold and the number of transients to capture. PowerPad then captures four waveforms for each transient; the triggering waveform as well as one pre- and two post-triggered waveforms. As many as 1200 waveforms can be captured.

Alarms – Configure, capture and display up to 4096 alarm events based on up to ten different trigger variables. Each captured alarm event will show the phase, the variable and the value as well as the time and duration.

Record – Set up and record trend data at selectable rates from one sample/second to one sample every 15 minutes on as many as 22 different variables for all phases. See the recorded data on screen, zoom in and out and scroll the time axis to analyze the data.

Power & Energy – Display Watts, VARs and VA by phase and total. Accumulate totals and see whether the energy is inductive or capacitive.

Other Features:

• True RMS single-, two- and three-phase measurements at 256 samples/cycle, plus DC
• Real-time color waveforms
• Easy-to-use on-screen setup
• True RMS voltage and current measurements
• Measures DC volts, amps and power
• Display and capture voltage, current and harmonics to the 50th order, including direction in real time
• Phasor Diagram Display
• VA, VAR and W per phase and total
• KVAh, VARh and kWh
• Neutral current display for three-phase
• Transformer K-factor display
• Power Factor displacement PF display
• Captures up to 50 transients
• Short-term flicker display
• Phase unbalance (current and voltage)
• Harmonic Distortion (total and individual)

MODEL			3945-B
ELECTRICAL
Sampling Frequency			256 samples per cycle
Data Storage			4MB partitioned for waveforms, transients, alarms and trend recording
Voltage (TRMS)			Phase-to-Phase: 830V		Phase-to-Neutral: 480V
Current (TRMS)			MN Clamp: 0 to 6A/120A or 0 to 240A MR Clamp: 0 to 1000AAC, 0 to 1400ADC		SR Clamp: 0 to 1200A AmpFlex™: 0 to 6500A1
MEASUREMENT			RANGE	RESOLUTION		ACCURACY
Single-Phase RMS Voltages			6 to 480V	0.1V		± 0.5% ± 2cts
Phase-to-Phase RMS Voltages			10 to 830V	0.1V		± 0.5% ± 2cts
Single-Phase Peak Voltages			6 to 680V	1V		± (1% + 5cts)
Phase-to-Phase Peak Voltages			10 to 1360V	1V		± (1% + 5cts)
Frequency (Hz)			40 to 69Hz	0.01Hz		± 0.01Hz
DC Voltage Component			6 to 100V	0.1V		± 1% ± 2cts
Current Probes (Arms)
MN Clamp			0 to 240A	0.1A		± (0.5% + 2cts)
SR Clamp			0 to 1200A	0.1A; 1A * 1000A		± (0.5% + 2cts)
AmpFlex™ Probe			10 to 6500A	0.1A; 1A * 1000A		± (0.5% + 1A)
Active (Real) Power (kW)			0 to 9999kW	4 digits (10,000ct)		± 1% ± 1ct @ PF 􀀪0.8
Reactive Power (kVAR)			0 to 9999kVAR	4 digits (10,000ct)		± 1% ± 1ct @ PF 􀀩0.8
Apparent Power (kVA)			0 to 9999kVA	4 digits (10,000ct)		± 1% ± 1ct
Power Factor (PF & DPF)			-1.000 to 1.000	0.001		±(1.5% + 0.01)
Active Energy (kWh)			0 to 9999MWh	4 digits (10,000ct)		± 1% ± 1ct @ PF 􀀪0.8
Reactive Energy (kVARh)			0 to 9999MVARh	4 digits (10,000ct)		± 1% ± 1ct @ PF 􀀩0.8
Apparent Energy (kVAh)			0 to 9999MVAh	4 digits (10,000ct)		± 1% ± 1ct
Unbalance (V & A)			0 to 100%	0.1%		± 1% ± 1ct
Phase Angle (V–A, A–A, V–V)			-179° to +180°	1°		± 2° ± 1ct
Harmonics (1st to 50th) F = 40 to 69Hz (V * 50V, A > Inom/100)			0 to 999%	0.1%		±1% + 5cts
Total Harmonic Distortion (V & A)			0 to 999%	0.1%		±1% + 5cts
K-factor (Akf)			1 to 99.99	0.01		±5% ± 1ct
Flicker (PST)			0.00 to 9.99	0.01		–
Power Source			9.6V NiMH rechargeable battery pack
			AC supply: 110/230VAC ±20% (50/60Hz)
Battery Life			6 hrs with display on; 􀀩96 hrs with display off (record mode)
ENVIRONMENTAL
Operating Temperature			32° to 122°F (0° to 50°C)
Storage Temperature			-4° to +122°F (-20° to +50°C)
MECHANICAL
Display			1/4 VGA (320 x 240) color LCD
Dimensions			9.5 x 7 x 2" (240 x 180 x 55mm)
Weight			4.6 lbs (2.1kg)
SAFETY
Safety Rating			EN 61010-1, 600V Cat. IV, Pollution Degree 2
Double Insulation			Yes
CE Mark			Yes

 1Crest Factor at 6500A = 1

DataView Professional is a full-featured data collection, analysis and reporting software package which includes great flexibility for customization of views, templates and reports to meet the most demanding requirements, combined with the ability to present trend graphs, waveforms and data in real time on a PC.

The DataView Professional Software provides a convenient way to configure and control power analysis tests from your computer. Through the use of clear and easy-to-use tabbed dialog boxes, all PowerPad functions can be configured and tests can be initiated. Reports may be printed along with the operator’s comments and analysis.

Configure all functions of the AEMC 3945-B PowerPad.

• Display and analyze real-time data on your PC
• Configure all PowerPad. functions and parameters from your PC
• Customize views, templates and reports to your exact needs
• Create and store a complete library of configurations that can be uploaded to the PowerPad. as needed
• Zoom in and out and pan through sections of the graph to analyze the data
• Download, display and analyze recorded data
• Display waveforms, trend graphs, harmonic spectrums, text summaries, transients, event logs and stored alarms
• Print reports using standard or custom templates you design

  







































Requirements:

• Windows XP / Windows Vista / Windows 7 (32/64 bit)
  
• 256MB of RAM for Windows XP
  
• 1GB of RAM for Windows Vista & Windows 7 (32 bit)
• 2GB of RAM for Windows Vista & Windows 7 (64 bit)
  
• 80MB of hard disk space (200MB recommended )
• CD-ROM drive

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