Dawson Tools DDM453 User Manual
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Contents | 
1169 Duty Cycle:<99%.211. Non-Contact Voltage Detector: NCV7. SpecificationsDC Voltage MeasurementRange Resolution Accuracy600mV 0.1mV±(0.5% of reading +2 digits)6V60V600V0.001V0.01V0.1V• Input impedance: 10MΩ• Max. input voltage: 600V rms12/DDM453/DDM4531.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.1.In any mode, hold the NCV button down.2.Move the top of the meter toward voltage source3.If AC voltage is present, NCV indicator flashes/buzzer beeps.• Safety Rating: CAT III 600V• 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 600V10A input: FF 10A H 600V• LCD Display:• Supply: 9V battery• : 150mm×74mm×48mm / 6.3"×2.9"×1.9"• Weight:• Safety Standards: IEC61010-1• Pollution Degree: 2• Accuracy: ±(of reading + # of least significant digits)6000 count display (5999 max reading)PowerDimensions8.9oz/250g7. ELECTRICAL SPECIFICATIONS/DDM453 |
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