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Extech MA460-NIST AC MiniAmp Dual Display Clamp and MultiMeter
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Extech MA460-NIST
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Features
- Display Current and multimeter measurements simultaneously
- Wide Capacitance, Temperature, and Frequency ranges
- Test lead μA range with high 0.1μA resolution for HVAC and Process control applications
- Data/MAX hold and Auto off
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Description
Autoranging Clamp Meter with Capacitance and Frequency functions. Properly used, this meter will provide many years of reliable service.
Specifications
| DC Voltage |
| RANGE |
400.0mV |
| Accuracy |
0.3% + 4d |
| RANGE |
4.000V, 40.00V, 400.0V |
| Accuracy |
0.5% + 3d |
| RANGE |
600V |
| Accuracy |
1.0% + 4d |
| AC Voltage |
| RANGE (50Hz to 500Hz) |
4.000V, 40.00V, 400.0V |
| Accuracy |
1.5% + 5d |
| RANGE (50Hz to 500Hz) |
600V |
| Accuracy |
2.0% + 5d |
| CMRR |
>60dB at DC to 60Hz, Rs=1k Ω |
| Input Impedance |
10M Ω, 30pF nominal, True RMS models specified from 5% to100% of range |
| AC Current (Clamp-on) |
| RANGE (50/60Hz) |
40.00A |
| Accuracy |
1.9% + 8d |
| RANGE (50/60Hz) |
400.0A |
| Accuracy |
1.9% + 8d |
| RANGE (50/60Hz) |
600A |
| Accuracy |
Unspecified |
| Resistance |
| RANGE |
400.0 Ω |
| Accuracy |
0.8% + 6d |
| RANGE |
4.000k Ω,40.00k Ω, 400.0k Ω |
| Accuracy |
0.6% + 4d |
| RANGE |
4.000M Ω |
| Accuracy |
1.0% + 4d |
| RANGE |
40.00M Ω |
| Accuracy |
2.0% + 4d |
| Open circuit voltage |
0.4V typical. |
| Capacitance |
| RANGE |
500.0nF, 5.000 μF, 50.00 μF, 500.0 μF |
| Accuracy |
3.5% + 6d |
| RANGE |
3000 μF |
| Accuracy |
3.5% + 6d |
| RANGE |
50.00nF Not specified |
| General |
| Audible Continuity |
Threshold between 10 Ω and 120 Ω. |
| Response time |
< 100 μs |
| Diode Test |
Open circuit voltage < 1.6VDC |
| Test current |
0.25mA (typical) |
| Max Hold |
Accuracy + 50 digits for changes > 25ms in duration |
| Digital Display |
4000-count LCD display(s), 3 per second nominal refresh rate |
| Low Battery |
Below approx. 2.4V |
| Operating Temperature |
32 ° to 104 °F (0 ° to 40 °C) |
| Storage Temperature |
-4 ° to 140 °F (-20 to 60°C), <80% R.H. |
| Relative Humidity |
80% to 88 °F (31°C), decreasing linearly to 50% at 104 °F (40°C) |
| Altitude |
Operating below 2000 meters |
| Temp. Coefficient |
Nominal 0.15 x specified accuracy per °C (between 0 and 18°C or 28 to 40°C), or as otherwise specified |
| AC Sensing |
True RMS on MA460+, Average sensing on MA400, MA440 and MA460+ |
| Auto Power Off |
After 30 minutes of inactivity |
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