Benetech GT5105A Instruction Manual page 4

SAVE
LCD Displays(Figure2)
Data holding
HOLD
voltage/
resistance
value display
Battery icon
V
voltage unit
~
Ω
resistance unit
Figure2
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Specifications
1.1 Measurement range and measurement error
(under condition of 20℃ + 5℃and≤75%RH)
Basic
Range Accuracy
Function
_
+(2%+10)
20Ω
Ground _
200Ω +(2%+3)
resistance
_
2000Ω +(2%+3)
2000Ω
_
+(2%+5)
(two wires)
Ground
_
200V +(2%+5)
voltage
1.2 Application standard:
IEC 61010-1 CAT. Ⅲ 600V Pollution degree 2
CAT. Ⅰ 5000V Pollution degree 2
IEC 61326-1 (EMC standard)
IEC 60529 (IP40)
1.3 measurement method:
(1) Ground voltage measurement: average response
(2) Ground resistance measurement: test signal frequency:
about 820Hz, current: 20Ω about 3.2mA
1.4 Working environment: temperature: 5℃~ 40℃; relative
humidity:≤80 ~ RH (no fog) Altitude≤2000 meters
1.5 Storage conditions: temperature: -20 ~ 60 ℃; relative
humidity:≤70% RH (no fog)
1.6 Power supply: 9V power supply [1.5V (No. 5 alkaline
battery) * 6]
_
Resolution
0.01Ω
0.1Ω
1Ω
1Ω
0.1V
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