UNI-T UT278B 接地桩夹接地电阻测试仪 (0.00Ω–1500Ω)
制造商: UNI-T Model: UT278B - 联系
Specifications:
Function:
Ground Resistance: 0.00Ω–1500Ω
Current (AC): 0.000A–40A
Current resolution: 1uA
3 or 4-wire method resistance: 0.00Ω–3KΩ
Soil Resistivity: N/A
Ground voltage: 600V
Accuracy Guaranteed Temperature Humidity: 23℃±5℃,below 75%rh
Features:
Power supply: 1, DC 3.7V lithium battery; 2, Real-time display of battery power, reminding to charge in time
Jaw size: 68mm
Screen: 2.4 inch (46*29mm) color LCD
Measurement time: 1 time/sec
USB data upload: The stored data can be uploaded, saved and printed.
Data storage: 500 set
Overload: Overload indication “OL”
Backlight: √
Alarm function: √
Auto power off: Around 15 minutes
Power consumption: 750mA MAX
Overload protection: √
Weight: 975g (including battery)
Operating temperature: -10℃ — 50℃; below 80%RH
Storage temperature: -10℃ — 60℃; below 70%RH
Insulation resistance: >20MΩ (500V between circuit and case)
Withstand voltage: AC 3700V/RMS (between circuit and case)
External magnetic field: <40A/m
External electric field: <1V/m
Applicable safety regulations: IEC61010-1; IEC61010-031; IEC61557-1(Ground resistance); CAT Ⅲ 300V, CAT IV 150V; Pollution degree: 2
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