Dawson Tools DDM453 Podręcznik użytkownika - Strona 7
Przeglądaj online lub pobierz pdf Podręcznik użytkownika dla Multimetr Dawson Tools DDM453. Dawson Tools DDM453 11 stron.
Drukuj stronę9 Duty Cycle:<99%
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1.Turn rotary switch to the Hz/% position.
2.Press Hz/% to select duty cycle.
3.Connect leads across circuit.
4.Read measured duty cycle on the display.
11. Non-Contact Voltage Detector:
DDM453
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1.In any mode, hold the NCV button down.
2.Move the top of the meter toward voltage source
3.If AC voltage is present, NCV indicator flashes/buzzer beeps.
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DDM453
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NCV
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Specifications
7.
• Operating Altitude: 2000m
• Relative Humidity: 75% max operating
• Operating Temperature: 0°C~40°C/32°F~104°F (<80% RH)
• Storage Temperature: -10°C~60°C/14°F~140°F (<70% RH)
• Accuracy Temperature: -18°C~28°C/64°F~82°F (<80% RH)
• Temperature Coefficient: 0.1x(specified accuracy)/°C (<18°C or >28°C)
• Sampling Frequency: approx. 3 times/sec.
• Fuse Protection: µA/mA input: FF 600mA H 600V
10A input: FF 10A H 600V
• LCD Display:
6000 count display (5999 max reading)
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Power
Supply: 9V battery
Dimensions
: 150mm×74mm×48mm / 6.3"×2.9"×1.9"
•
• Weight:
8.9oz/250g
• Safety Rating: CAT III 600V
• Safety Standards: IEC61010-1
• Pollution Degree: 2
• Accuracy: ±(of reading + # of least significant digits)
ELECTRICAL SPECIFICATIONS
7.
DC Voltage Measurement
Range
Resolution
600mV
0.1mV
6V
0.001V
60V
0.01V
600V
0.1V
• Input impedance: 10MΩ
• Max. input voltage: 600V rms
Accuracy
±(0.5% of reading +2 digits)
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