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1. 4107
(产品型号展示优化词： Grounded resistance tester 4107)
Features：
 Without the
need to
disconnect
the ground
system,
without the
need for
ground pile,
double
clamp method of grounding resistance measurement.
 Grounding resistance measurement range: 0.02Ω to 100 Ω, minimum resolution:0.01 Ω,
basic accuracy:10%.
 Clamp current measurement function, the range of 0 ～20AAC current, the minimum
resolution:0.1mA.
 Strong anti interference ability, with digital signal processing capabilities.
 Test signal frequency128Hz.
 Data recording function: manual records, internal memory can store 100( Group )
measurement data.
 nstrument panel calibration technology to ensure that the expected accuracy and
performance.
Specifications:
Without the wand grounding resistance measurement（ ）
range Measuring range Resolution Precision
2Ω 0.02Ω～1.99Ω 0.01Ω 10%+6
20Ω 2.0Ω～19.9Ω 0.1Ω 10%+2
100Ω 20Ω～100Ω 1Ω 20%
Current measurement（IST）
Measuring range Resolution Frequency range Precision
1.0mA～25.0mA 0.1mA 50 / 60Hz 5%+5
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2. 25mA～250mA 1mA
0.25A～2.50A 0.01A
2.5A～20.0A 0. 1A
Characteristic
l Working temperature and humidity: 0to 40º C ( no condensation≤10 º C,≤ 85%RH ).
l Working altitude:≤ 2000m. ( indoor ).
l Storage temperature and humidity: -20º C to 60º C,≤ 90%RH.
l Electrical safety grade: CATⅢ 600V pollution degree 2.
l High voltage: between the electrical circuit and the outside box AC3250V (50/60Hz ) /5seconds.
l Display and backlight
Segment LCD dual display:80 × 52mm.
White LED backlight, can set the backlight time 0 ～ 60minutes.
l Power supply
8x1.5V AA alkaline batteries.
Automatic shutdown operation : can be set to automatically shutdown time 0 ～ 60minutes.
l Dimensions and weight
175( L ) x 110( W ) x 70( D ) mm, about 300g
l Annex
Voltage clamp1
Current clamp1
Test ring1
Alkaline battery(LR6) x 8
Instruction manual
Portable bag
Meet the standard
l IEC/EN 61557-1、5
l IEC/EN61010-1
l IEC/EN 61010-2-031
l IEC/EN61326
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