The AEMC PowerPad Model 3945-B power quality analyzer allows you to look inside your electrical system and see what is going on. Troubleshooting is so much easier because 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.
With a high speed sample rate, at 256 samples per cycle, the AEMC PowerPad Model 3945-B power quality analyzer provides excellent fidelity in reproducing waveforms and capturing transients that happen as fast as 62.5 µs. The PowerPad's 4MB of memory is conveniently positioned to let you store four different types of data, synchronized or independent of each other. You can 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.
Six direct access function buttons on the AEMC PowerPad Model 3945-B power quality analyzer quickly let you see waveforms, harmonics, transients, alarm events, record and power & energy. Other functions and features of the PowerPad Model 3945-B include current probes that auto configure the instrument's current channel for range and scale and an online help system that gives you clear information about the functions and buttons for each screen.
The AEMC PowerPad Model 3945-B power quality analyzer ships complete with:
Electrical | |
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Sampling Frequency | 256 samples per cycle |
Data Storage | 4 MB partitioned for waveforms, transients, alarms and trend recording |
Voltage (TRMS) | Phase-to-Phase: 960 V Phase-to-Neutral: 480 V |
Measurement | |||
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Range | Resolution | Accuracy | |
Single-Phase RMS Voltages | 15 to 480 V | 0.1 V | ±0.5% ± 2cts |
Phase-to-Phase RMS Voltages | 15 to 960 V | 0.1 V | ±0.5% ± 2cts |
DC Voltage Component | 15 to 680 V | 0.1 V | ±1% ± 2cts |
Single-Phase Peak Voltages | 15 to 680 V | 1 V | ±(1% ± 5cts) |
Phase-to-Phase Peak Voltages | 15 to 1360 V | 1 V | ±(1% ± 5cts) |
Frequency (Hz) | 40 to 69 Hz | 0.01 Hz | ±0.01 Hz |
Current Probes (Arms) MN Clamp SR Clamp AmpFlex Probe |
0 to 240 A 0 to 1200 A 10 to 6500 A |
0.1 A 0.1; 1 A ≥ 1000 A 0.1 A; 1 A ≥ 1000 A |
±(0.5% + 2cts) ±(0.5% + 2cts) ±(0.5% + 1A) |
Active (Real) Power (kW) | 0 to 9999 kW | 4 digits (10,000ct) | ±1% ± 1ct @ PF ≥ 0.8 |
Reactive Power (kVAR) | 0 to 9999 kVAR | 4 digits (10,000ct) | ±1% ± 1ct @ PF ≤ 0.8 |
Apparent Power (kVA) | 0 to 9999 kVA | 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 9999 MWh | 4 digits (10,000ct) | ±1% ± 1ct @ PF ≥ 0.8 |
Reactive Energy (kVARh) | 0 to 9999 MVARh | 4 digits (10,000ct) | ±1% ± 1ct @ PF ≤ 0.8 |
Reactive Energy (kVARh) | 0 to 9999 MVARh | 4 digits (10,000ct) | ±1% ± 1ct @ PF ≤ 0.8 |
Apparent Energy (kVAh) | 0 to 9999 MVAh | 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 69 Hz (V³ 50 V, A > nom/100) |
0 to 999% | 0.1% | ±1% + 5cts |
Total Harmonic Distribution (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: 110/230 VAC ±20% (50/60Hz) |
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Battery Life | ≥8 hrs with display on; ≤35 hrs with display off (record mode) |
Please consider these optional accessories.
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