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マルチメーター Dawson Tools DDM450のPDF マニュアルをオンラインで閲覧またはダウンロードできます。Dawson Tools DDM450 9 ページ。

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8. Battery Test:1.5V

1.Turn rotary switch to 1.5V battery test position.

2.Connect leads across battery

3.Read measured voltage on the display.

9. Battery Test:9V

1.Turn rotary switch to 9V battery test position.

2.Connect leads across battery

3.Read measured voltage on the display.

10. Non-Contact Voltage Detector:

DDM450

1.In any mode, hold NCV button.

2.Move top of meter near voltage source.

3.If voltage is detected, the NCV indicator flashes/buzzer beeps.

DDM450

NCV

Specifications

• Operating Altitude: 2000m

• Relative Humidity: 75% max

• 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: 3 ¾ digit display (4000 counts)

Power

Supply: 9V battery

•

Dimensions

: 150mm×74mm×48mm / 6.3"×2.9"×1.9"

• Weight:

8.9oz/250g

• Safety Rating: CAT III 600V; pollution degree: II

• Safety Standards: IEC61010-1

• Pollution Degree: 2

• Accuracy: ±(of reading + # of least significant digits)

ELECTRICAL SPECIFICATIONS

DC Voltage Measurement

Range

Resolution

400mV

0.1mV

0.001V

40V

0.01V

400V

0.1V

600V

• Input impedance: 10MΩ

• Max. input voltage: 600V rms

Accuracy

±(0.5% of reading +2 digits)

±(0.7% of reading +2 digits)