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Extech PQ3470 3-Phase Graphical Power & Harmonics Analyzer/Datalogger
Item #:
EXT-PQ3470
Brand:
Extech
Share this product:
PQ3470 3-Phase Graphical Power & Harmonics Analyzer/Datalogger by Extech
Features
- Large dot-matrix, sun-readable, graphical, backlit LCD
- Full system analysis with up to 35 parameters: V (phase-to-phase), V (phase-to-ground); A (phase-to-ground); KW / KVA / KVAR / PF (phase); KW / KVA / KVAR / PF (system); KWH / KVAH / KVARH / PFH (system); Phase angle
- Select 200A, 1200A Current Clamps or 3000A Flexible Current Probes (sold separately)
- Adjustable Current Transformer CT (1 to 600) and Potential Transformer PT (1 to 1000) ratio for high power distribution systems
- On-screen Harmonics display (1 to 50th order)
- Simultaneous display of Harmonics and Waveform
- Display of Waveform with peak values
- Analysis of Total Harmonic Distortion (THD)
- Graphic Phase diagram with 3-Phase system parameters
- 3-phase Voltage or Current Unbalanced Ratio (VUR, AUR) and unbalanced factor
- Capture Transient events (including dip, swell, and outage) with programmable threshold (%)
- Log up to 30,000 readings on a removable SD memory card in Microsoft Excel® format
- Wide sampling rate range (2 seconds to 2 hours)
- Captured measurements can be imported directly into Excel via the SD memory card
- Built-in Clock and Calendar
- Easy-to-use onscreen menu
- Easy-to-hold rugged over molded housing
Includes
- 4 voltage leads with alligator clips
- 8 AA batteries
- SD memory card
- Universal AC adaptor (100 to 240V)
- Case
| Circuit | Custom single-chip microprocessor LSI circuit | |
| Display | LCD Size: 81.4 X 61 mm (3.2 X 2.4") Dot Matrix backlit LCD (320 X 240 pixels) |
|
| Measurements | V (voltage phase to phase) V (voltage phase to ground) A (Current Phase to ground) KW / KVA/ KVAR / PF (Phase) KW / KVA/ KVAR / PF (System) Power factor Phase angle Frequency Harmonics |
|
| Wire configurations | 1P/2W, 1P/3W, 3P/3W, 3P/4W | |
| Voltage ranges | 10 ACV to 600 ACV (Auto Range) | |
| Current ranges | Current probe input signal voltage (ACV):
200mV /300mV /500mV /1V /2V /3V Current probe input current range (ACA): 20A/200A/2000A1200A)/30A/300A/3000A/60A/600A/6000A Note that the meter has universal probe compatibility |
|
| Safety standard | IEC1010 CAT III 600 V | |
| ACV input impedance | 10M ohms | |
| Range select | ACV | Auto Range |
| ACA | Manual Range | |
| Clamp frequency response | 40 Hz to 1 KHz | |
| Tested clamp frequency | 45 to 65 Hz | |
| Over-load protection | ACV | 720 ACV RMS |
| Over-range | "OL" is displayed; ACV Data on SD card will read '9999' or '999' for over-range data |
|
| Under-range | "UR" is displayed | |
| Data Hold | Freezes displayed reading | |
| Data Recording | SD memory card | |
| SD Card capacity | 2G SD max. / 16G SDHC max. | |
| Sampling Time | Approx. 1 second (LCD) / 2000 samples per period | |
| Datalogger | Real time data logger saves data to SD memory card for download to PC (data files open directly to spreadsheet) | |
| Sampling rate: From 2 seconds to 7200 seconds | ||
| Max. file capacity: 30,000 records | ||
| Data Output | Serial or USB connection (cable supplied) | |
| Operating Temperature | 0 to 50°C (32 to 122Z°F) | |
| Operating Relative Humidity | 80% Relative Humidity max. | |
| Power Supply | Eight (8) 'AA' 1.5VDC batteries or AC 9V power adapter | |
| Power Consumption | Meter: 270 mA DC; Clamp: 22 mA DC | |
| Max. Conductor size | Clamp can accommodate up to 50 mm (2.0") diameter | |
| Weight | Meter: 1026g (2.3 lbs.) (with batteries); Clamp: 467g (1.0lbs) | |
| Dimensions | Meter: 225 X 125 X 64 mm (8.86 X 4.92 X 2.52") | |
| Optional Clamp: 210 X 64 X 33mm (8.3 X 2.5 X 1.3") | ||
| Optional Clamp Jaw: 86 mm (3.4") Outer diameter | ||
| Accessories Included | Instruction manual; Batteries; SD card (2G) | |
Function |
Range |
Resolution |
Accuracy |
AC Voltage |
10.0V to 600.0V |
0.1V |
± (0.5% range + 3 digits) |
AC Voltage
(peak to peak) |
28.2V to 1.697kV |
0.1V to 1V |
± (0.5% range + 30 digits) |
AC Current (trms) |
0.2A to 6000A |
0.001A to 1 A |
± (0.5% range + 5 digits) |
AC Current
(peak to peak) |
2.828A to 16.97kA |
0.001A to 10 A |
± (0.5% range + 30 digits) |
Power Factor |
0.00 to 1.00 |
0.01 |
± 0.04 |
Φ Phase Angle |
-180° to 180° |
0.1° |
± 1° |
Frequency |
45 to 65Hz |
0.1Hz |
0.1Hz |
Power |
0.0 to 3.6MW |
0.001k to 0.001M |
± (1% range+8 digits) |
0.0 to 3.6MVA |
|||
0.0 to 3.6MVAR |
|||
Watt-Hour |
0.0 to 3.6MWH |
0.001k to 0.001M |
± (1% range+8 digits) |
0.0 to 3.6MVAH |
|||
0.0 to 3.6MVARH |
|||
Harmonics Magnitude
(>5%, 50/60Hz) |
Range |
Resolution |
Accuracy |
ACV |
1 to 20th |
0.1V |
± (2% + 5 digits) |
21 to 30th |
± (4% + 5 digits) |
||
31 to 50th |
Reference only |
||
ACA |
1 to 20th |
0.001A to 1A |
± (2% + 5 digits) |
21 to 30th |
± (4% + 5 digits) |
||
31 to 50th |
Reference only |
||
Harmonics Magnitude
(>5%, 50/60Hz) |
Range |
Resolution |
Accuracy |
ACV |
1 to 20th |
0.1% |
± (2% + 10 digits) |
21 to 30th |
± (4% + 20 digits) |
||
31 to 50th |
Reference only |
||
ACA |
1 to 20th |
0.1% |
± (2% + 10 digits) |
21 to 30th |
± (4% + 20 digits) |
||
31 to 50th |
Reference only |
||
Crest Factor
(ACV or ACA) |
1.000 to 9.999 |
0.001 |
± (5% + 0.3) |
Total Harmonic
Distortion |
0 to 20% |
0.1% |
± (2% + 5 digits) |
20.1 to 100% |
± (6% + 10 digits) |
