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Instek GWM-039 Watt Meter

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Features:
- AC/DC Current up to 1000A
- Active Power (VAcosq),
Apparent Power (VA),
Reactive Power (VAsinq) and
Power Factor (cosq)
- Surge Mode for Inrush Current Measurement
- Power, Current, Voltage, Frequency, and Resistance Measurement
- Data Hold, Max/Min and Crest Factor Reading
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| Model |
Description |
List Price |
Sale Price |
| GWM-039 |
AC/DC Wattmeter |
$510.00 |
| $459.00 |  |
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Specifications
| DC Voltage |
Range: |
350V, 600V in 2 ranges |
| Accuracy: |
±(1% reading + 5 digits) |
| Input Impedance: |
5MW |
AC Voltage
(45Hz ~ 400Hz, True RMS) |
Range: |
350V, 600V in 2 ranges |
| Accuracy: |
±(1% reading + 5 digits) |
| Input Impedance: |
5MW |
| DC Current |
Range: |
350A, 1000A in 2 ranges |
| Accuracy: |
±(1% reading + 5 digits) |
AC Current
(True RMS) |
Range: |
350A, 1000A in 2 ranges |
| Accuracy: |
47Hz ~ 63Hz ±(1% reading + 5 digits),
up to 47Hz and 63Hz ~ 400Hz ±(2% reading + 10 digits) |
| Resistance |
Range: |
3500W |
| Accuracy: |
±1% |
| Frequency |
Range: |
10Hz ~ 1kHz |
| Accuracy: |
±(0.5%) |
| Continuity Beeper |
Description: |
Buzzer sounds if conductance less than 30W |
| Peak Detect
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Range: |
All ranges except resistance, frequency and audible test |
| Accuracy: |
±(3% reading + 5 digits) |
| Acquisition Time: |
150ms for AC, 10ms for DC |
Active Power
(V x A x cosq) |
Range: |
350kW |
| Accuracy: |
±(2% reading + 2 digits) |
Apparent Power
(V x A) |
Range: |
3.5kVA, 350kVA |
| Accuracy: |
(2% reading + 2 digits) |
Reactive Power
(V x A x sin q) |
Range: |
3.5kVar, 350kVar |
| Accuracy: |
(3% reading + 2 digits) |
Power Factor
(cosq) |
Range: |
0.5 ~ 1 capacitive, 0.5 ~ 1 inductive in 2 ranges |
| Accuracy: |
±(3% reading + 2 digits) |
| Crest Factor |
Range: |
1 ~ 6 |
| Accuracy: |
±(3% reading + 2 digits) |
| Surge Mode |
Description: |
On ACA ranges, enables current surge to be captured and retained long enough for reading |
| Other Details |
Display: |
3½ digit LCD display |
| Power Source: |
Four AAA batteries |
| Accessories: |
Instruction manual x 1, Test probe x 1, Alligator Clip x 1, Case x 1 |
| Dimensions: |
85mm (w) x 43mm (h) x 270mm (d) |
| Weight: |
700g approx |
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