Major tech MT1875 사용 설명서 - 페이지 6

{카테고리_이름} Major tech MT1875에 대한 사용 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. Major tech MT1875 16 페이지. 6-in-1 environmental multimeter

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5. Speciﬁcations

5.1. General Speciﬁcations

Display:

Polarity:

Over-range:

Low battery indication:

Measurement rate:

Operating environment: 0°C to 40°C (32°F to 104°F) at <70%RH

Storage temperature:

Battery:

Dimensions:

Weight:

Accuracy is given at 18°C to 28°C (65°F to 83°F), less than 70%RH.

5.2. Sound Level

Measurement range:

Resolution:

Frequency Range:

Frequency Weighting:

Time Weighting:

Accuracy:

Microphone:

5.3. Light Level

Measurement range:

Overrate Display:

Accuracy:

Repeatability:

Temperature Characteristic: ±0.1% / °C

Photo Detector:

4000 counts LCD display with function of Lux,

°C, % and dB indication.

Automatic, ( - ) negative polarity indication.

"OL" mark indication.

The "

" is displayed when the battery

voltage drops below the operating level.

3 times per second, nominal.

-10°C to 60°C (14°F to 140°F) at <80%RH

170 x 78 x 48mm

335g including holster

35 to 100dB

0.1dB

30Hz to 10kHz

C – weighting

Fast

±5dB at 94dB sound level, 1kHz sine wave.

Electric condenser microphone.

4000, 40,000Lux

(40,000Lux range reading x 10)

Highest digit of "OL" is displayed.

±(5% rdg +10 dgts) calibrated to standard

incandescent lamp at colour temperature

2856k).

±2%

One silicon photo diode with ﬁlter.