VTech

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Máy đo điện trở tiếp địa và dòng rò không cần cọc phụ

Mã sản phẩm:250ER
Số lượng:

Sản xuất theo tiêu chẩn: IEC

Xuất xứ:Úc

 

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Thông Số Kỹ Thuật

Specifications

Measurement range: 0.01Ω - 1200Ω (resistance); 0.00mA – 20.0A (current)
Frequency resolution: >1kHz (resistance); 50/60Hz (current)
Alarm range: 1 ~ 199Ω (resistance); 1 ~ 499mA (current)
Sampling time: 0.5second
Operating temperature: -10 ~ 55ºC
Relative humidity: 10 ~ 90%RH
LCD: 47mm x 28.5mm (4 digits LCD display)
Storage: 99 units
Battery: 4 x 1.5VAA alkaline battery
Span of jaw: 28mm
Dimension of jaw: 65 x 32 x 56mm (inner side)
Size: 285 x 85 x 56mm
Weight: 1160g (including batteries)
Protection: double insulation
Pollution degree: class 2
Category: CAT III/150V
Standard accessories: 5.1Ω test loop, instruction manual, warranty card, certificate of product conformance

MODE

RANGE

RESOLUTION

ACCURACY

Resistance

0.010 ~ 0.099Ω

0.001Ω

±(1%+0.01Ω)


0.10 ~ 0.099Ω

0.01Ω

±(1%+0.01Ω)


1.0 ~ 49.9Ω

0.1Ω

±(1%+0.1Ω)


50.0 ~ 99.5Ω

0.5Ω

±(1.5%+0.5Ω)


100 ~ 199Ω

1Ω

±(2%+1Ω)


200 ~ 395Ω

5Ω

±(5%+5Ω)


400 ~ 590Ω

10

±(10%+10Ω)


600 ~ 880Ω

20

±(20%+20Ω)


900 ~ 1200Ω

30

±(25%+30Ω)

Current

0.00 ~ 9.00mA

0.05mA

±(2.5%+2mA)

10.0 ~ 99.0mA

0.1mA

±(2.5%+5mA)

100 ~ 300mA

1mA

±(2.5%+20mA)

0.30 ~ 2.99A

0.01A

±(2.5%+0.1A)

3.0 ~ 9.9A

0.1A

±(2.5%+0.5A)

10.0 ~ 20.0A

0.1A

±(2.5%+1A)

SẢN PHẨM CÙNG LOẠI

HỖ TRỢ TRỰC TUYẾN

TP. Hồ Chí Minh

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