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AEMC®Instruments

Model 3945-B [Catalog No. 2130.74]
PowerPad® 3Ø Power Quality Analyzers
 
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Model 3945-B [Catalog No. 2130.74] PowerPad® Power Quality Analyzers

Characteristics:

  • 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
 
  Characteristics (cont'd) :  
 
 
  • 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)
 
 
  Application:  
 
 
  • 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 And much, much more
 
 
  Product Description:  
 
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The PowerPad® is a hand-held three-phase power quality meter with a large easy-to-read graphical color display. 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.

The 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 reports.

 
Models Available:
 

PowerPad® Model 3945-B w/MN93 Cat. #2130.75
Includes set of three color-coded 240A MN93 probes with 10 ft leads, four 10 ft color-coded voltage leads,four color-coded alligator clips, RS-232 DB9F optically coupled serial cable, NiMH battery, US 120V power cord, DataView® software, carrying bag, soft carrying pouch and user manual

PowerPad® Model 3945-B w/SR193 Cat. #2130.76
Includes set of three color-coded 1200A SR193 probes with 10 ft leads, four 10 ft color-coded voltage leads, four color-coded alligator clips, RS-232 DB9F optically coupled serial cable, NiMH battery, US 120V power cord, DataView® software, carrying bag, soft carrying pouch and user manual

PowerPad® Model 3945-B w/24" AmpFlex®193-24 Cat.#2130.77
Includes set of three color-coded 6500A 24" AmpFlex®193-24 probes with 10 ft leads, four 10 ft color-coded voltage leads, four color-coded alligator clips, RS-232 DB9F optically coupled serial cable, NiMH battery, US 120V power cord, DataView® software, carrying bag, soft carrying pouch and user manual

PowerPad® Model 3945-B w/36" AmpFlex®193-36 Cat.#2130.78
Includes set of three color-coded 6500A 36" AmpFlex®193-36 probes with 10 ft leads, four 10 ft color-coded voltage leads, four color-coded alligator clips, RS-232 DB9F optically coupled serial cable, NiMH battery, US 120V power cord, DataView® software, carrying bag, soft carrying pouch and user manual

PowerPad® Model 3945-B w/MR193 Cat. #2130.79
Includes set of three color-coded 1000AAC/1400ADC MR193 probes with 10 ft leads, four 10 ft color-coded voltage leads, four color-coded alligator clips, RS-232 DB9F optically coupled serial cable, NiMH battery, US 120V power cord, DataView® software, carrying bag, soft carrying pouch and user manual

PowerPad® Model 3945-B w/MN193 Cat. #2130.80
Includes set of three color-coded 6A/120A MN193 probes with 10 ft leads, four 10 ft color-coded voltage leads, four color-coded alligator clips, RS-232 DB9F optically coupled serial cable, NiMH battery, US 120V power cord, DataView® software, carrying bag, soft carrying pouch and user manual

 
 
  Features:  
 
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  • 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.
  • 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. If you’re not convinced yet, consider these other functions and features:

    • PowerPad uses current probes that auto configure the instrument’s current channel for range and scale.
    • PowerPad comes with an online help system that gives you clear information about the functions and buttons for each screen.
    • PowerPad comes with all options and accessories needed to capture, display, download, analyze and store data. No addon accessories are required that increase your cost. PowerPad is supplied with AEMC’s DataView® graphing/analysis software package at no additional cost. The software lets you completely configure and capture data in real time on your computer. You can download all stored data from PowerPad and print reports from a library of pre-designed templates or create your own custom templates and reports.
 
 
  Specifications:  
 
 
Model 3645-B
ELECTRICAL  
Sampling Frequency 256 samples per cycle
Data Storage 4MB partitioned for waveforms, transients, alarms and trend recording
Voltage (TRMS) Phase-to-Phase: 960V
Phase-to-Neutral: 480V
Current (TRMS)

MN Clamp: 0 to 6A/120A or 0 to 240A
MR Clamp: 0 to 1000AAC,10 to 1400ADC
SR Clamp: 0 to 1200A
AmpFlex®: 0 to 6500A

MEASUREMENT RANGE RESOLUTION ACCURACY
1-Phase RMS Voltages 15 to 480V 0.1V ±0.5% ± 2cts
Phase-to-Phase RMS Voltages 15 to 960V 0.1V ±0.5% ± 2cts
DC Voltage Component 15 to 680V 0.1V ±1% ± 2cts
1-Phase Peak Voltages 15 to 680V 1V ±(1% + 5cts)
Phase-to-Phase Peak Voltages 15 to 1360V 1V ±(1% + 5cts)
Frequency (Hz) 40 to 69Hz 0.01Hz ±0.01Hz
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 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) 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° ±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 – –
GENERAL  
Display 1/4 VGA (320 x 240) color LCD
Power Source 9.6V NiMH rechargeable battery pack
AC supply: 110/230VAC ±20% (50/60Hz)
Power Source
Battery Life
≥8 hrs with display on; ≤35 hrs with display off
(record mode)
Operating Temperature 32° to 122°F (0° to 50°C)
Storage Temperature -4° to 122°F (-20° to +50°C)
Dimensions 9.5 x 7 x 2" (240 x 180 x 55mm)
Weight 4.6 lbs (2.1kg)
SAFETY  
Rating EN 61010-1, 600V Cat. IV2, Pollution Degree 2
Double Insulation Yes
 
 
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