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AEMC 3945-B PowerPad 3-Phase Power Quality Analyzer

Model: 3945-B

Three-phase power quality analyzer designed for electricians, facilities technicians and engineers to record power quality and carry out diagnostic work on electrical systems or devices. This model is stand-alone - order CTs separately

$3,495.00 USD

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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

Key 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)

Specifications

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 1200AAC, 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 650V 0.1V ±1% ± 2cts
Current Probes   MN Clamp   SR Clamp   AmpFlex Probe 0 to 240A 0 to 1200A 10 to 6500A 0.1A 0.1A; 1A >e; 1000A 0.1A; 1A >e; 1000A ±(0.5% + 2cts) ±(0.5% + 2cts) ±(0.5% + 1A)
Active (Real) Power (kW) 0 to 9999kW 4 digits (10,000ct) ±1% ± 1ct @ PF >e;0.8
Reactive Power (kVAR) 0 to 9999kVAR 4 digits (10,000ct) ±1% ± 1ct @ PF
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 >e;0.8
Reactive Energy (kVARh) 0 to 9999MVARh 4 digits (10,000ct) ±1% ± 1ct @ PF
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° ±2° ± 1ct
Harmonics (1st to 50th)   F = 40 to 69Hz   (V >e; 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;
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. III, Pollution Degree 2
Double Insulation Yes
CE Mark Yes

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