UNI-T UT278B 接地杭クランプ接地抵抗試験機 (0.00Ω–1500Ω)

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