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MI-3123高級通用接地電阻測試儀MI3123 @MI3123%
l 包含接地電阻測試的所有方法：標準四線法、選擇電極法、雙鉗法、土壤電阻率測量
l 鉗式電流測量功能，范圍0-20A，分辯率0.1mA
l 抗干擾能力強
l 預編程限值，通過/不通過（PASS/FAIL）評價測量結果
l 綠/紅指示提供直觀的測量結果評價
l 適合CAT IV 裝置驗收
l 內置磁鐵可將儀器固定在鐵質材料上
l 內置充電器
l 可存儲1900個測量結果
l USB/RS232通訊接口，與PCSW軟件兼容
l 堅固、精巧的儀器外觀設計
符合標準：IEC/EN 61557-1、5、10，IEC/EN 61010-1，IEC/EN 61326，
技術指標：
四線法/選擇電極法測量
|
測量范圍（W） |
分辨率（W） |
精度 |
|
0.00-19.99 |
0.01 |
3%讀數+3位 |
|
20.0-199.9 |
0.1 |
3%讀數+3位 |
|
200-1999 |
1 |
5%讀數 |
|
2000-9999 |
1 |
10%讀數 |
接地樁接地電阻自動測試 電壓信號中干擾自動測試
測試電壓（開路）40V 測試頻率125Hz
最大測試電流20mA 電流鉗測試電流過低指示
電流信號中干擾過大指示
雙鉗法測量接地電阻
|
測量范圍（W） |
分辨率（W） |
精度 |
|
0.00-19.9 |
0.01 |
10%讀數+10位 |
|
20.0-30.0 |
0.1 |
20%讀數 |
|
30.1-39.9 |
0.1 |
30%讀數 |
測試頻率125Hz、干擾指示、電流過低指示
土壤電阻率測量
|
測量范圍（Wm） |
分辨率（Wm） |
精度 |
|
0.0-99.9 |
0.1 |
土壤電阻率是計算值，精度參考四線法測量接地電阻的精度 |
|
100-999 |
1 |
|
|
1.00k-99.9k |
0.01k |
|
|
10.0k-99.9k |
0.1k |
|
|
>100k |
1k |
等距法，r=2pDR
電流測量
|
測量范圍 |
分辨率（mA） |
精度 |
|
|
0.0-99.9mA |
0.1mA |
3%讀數+3位 |
|
|
|
|||
|
100-999mA |
1mA |
3%讀數+3位 |
|
|
1.00A-19.99A |
0.01A |
3%讀數+3位 |
|
頻率范圍：40-500Hz
基本技術參數
電源：五號1.5V充電電池，6節，操作時間大約10小時
過壓保護：50V CAT IV
顯示：128X64帶背光液晶屏
尺寸：14cmX8cmX23cm
重量：0.85kg
訂購信息：
標準配置： 主機、20米測試線及接地樁1套、充電電池及充電器、A1018電流鉗、
A1019電流鉗、使用說明書
選件
A1290軟件
S2007 50米測試線
MI-3123 senior general earthing resistance tester MI3123@MI3123%
All methods of L including grounding resistance test: the standard four line method, selective electrode method,method, soil resistivity measurement of double clamp
L clamp current measurement function, the range of 0-20A, the resolution of 0.1mA
L strong anti-interference ability
L preprogrammed limits, pass / fail (PASS/FAIL)evaluation of measurement results
L green / red indicator for evaluation of measurement results of intuitive
L for CAT IV device approval
L built-in magnet can be fixed on the iron materialinstrument
L built-in charger
L can store 1900 measurements
L USB/RS232 communication interface, compatible with PCSW software
L firm, delicate instrument design
Standard: IEC/EN 61557-1, 5, 10, IEC/EN 61010-1,IEC/EN 61326,
Technical indicators:
Method of four line / selective electrode method
Measuring range (W)
Resolution (W)
Precision
0.00-19.99
0.01
3% reading +3
20.0-199.9
0.1
3% reading +3
200-1999
1
5% reading
2000-9999
1
10% reading
Earthing pile grounding resistance test automationdisturbance voltage signal
The test voltage (open) 40V testing frequency of 125Hz
The maximum test current 20mA current clamp test under current indicator
Interference of instruction current signal
Double clamp method of grounding resistance measurement
Measuring range (W)
Resolution (W)
Precision
0.00-19.9
0.01
10% reading +10
20.0-30.0
0.1
20% reading
30.1-39.9
0.1
30% reading
The test frequency 125Hz, interference indication, low current indicator
Soil resistivity measurement
Measuring range (Wm)
Resolution (Wm)
Precision
0.0-99.9
0.1
Soil resistivity is calculated, and accuracy of precisionmeasurement of grounding resistance four line method
100-999
1
1.00k-99.9k
0.01K
10.0k-99.9k
0.1k
>100k
1K
Isometric method, r=2pDR
Current measurement
Measuring range
Resolution (mA)
Precision
0.0-99.9mA
0.1mA
3% reading +3
100-999mA
1mA
3% reading +3
1.00A-19.99A
0.01A
3% reading +3
Frequency range: 40-500Hz
Basic technical parameters
Power: five 1.5V rechargeable batteries, section 6,operation time is about 10 hours
Overvoltage protection: 50V CAT IV
Display: 128X64 backlit LCD screen
Size: 14cmX8cmX23cm
Weight: 0.85kg
Ordering information:
Standard configuration: host, test line 20 meters and grounding pile 1 sets, rechargeable battery and charger,A1018 current clamp,
A1019 current clamp, instructions for use
Options
A1290 software
S2007 50 m test line
