- Neware
- Pine Research
- OKOndt Group
- Novocontrol
- Norecs
- METERTEST
- Microrad
- Metrel
- Labdex
- SDT
- micrux
- AARONIA AG
- ADASH
- Amptek
- AOiP
- AstroNova
- AWSensors
- Automatic Research
- BASI
- BRS
- BWB Technologies
- Cmc
- CTRL
- CALMET
- CHECKLINE
- Coxem
- C-Tech
- DV Power
- DANATRONICS
- ECH
- Elsys
- Enervac
- Enapter
- ELVEFLOW
- EA Technology
- EL-CELL
- ENERGY SUPPORT
- Electrothermal
- FASTEC
- GE
- GMW
- Gaskatel
- GIUSSANI
- Globecore
- GREENLIGHT
- GRZ
- HTW
- HIGH SENSE SOLUTIONSHTW
- HUBER
- Labnics
- Ida
- LIQUID
- Instytut Fotonowy
- KEHUA TECH
- JGG
- HVPD
- Jenway
- Jacomex
- IVIUM
- ndb
- OZM
- Redoxme
- Serstech
- SATIR
- VacCoat
- Zurich
- Neware
- Pine Research
- OKOndt Group
- Novocontrol
- Norecs
- METERTEST
- Microrad
- Metrel
- Labdex
- SDT
- micrux
- AARONIA AG
- ADASH
- Amptek
- AOiP
- AstroNova
- AWSensors
- Automatic Research
- BASI
- BRS
- BWB Technologies
- Cmc
- CTRL
- CALMET
- CHECKLINE
- Coxem
- C-Tech
- DV Power
- DANATRONICS
- ECH
- Elsys
- Enervac
- Enapter
- ELVEFLOW
- EA Technology
- EL-CELL
- ENERGY SUPPORT
- Electrothermal
- FASTEC
- GE
- GMW
- Gaskatel
- GIUSSANI
- Globecore
- GREENLIGHT
- GRZ
- HTW
- HIGH SENSE SOLUTIONSHTW
- HUBER
- Labnics
- Ida
- LIQUID
- Instytut Fotonowy
- KEHUA TECH
- JGG
- HVPD
- Jenway
- Jacomex
- IVIUM
- ndb
- OZM
- Redoxme
- Serstech
- SATIR
- VacCoat
- Zurich
接地絕緣測試儀
Earth Insulation Tester 型號:MI 3288-
量測功能
- 接地電阻(4極)。
- 選擇性接地電阻(1支鉤錶)。
- 特定接地電阻 (Wenner 和 Schlumberger 方法)。
- 2組鐵製接地電阻夾。
- 接地電位。
- 外接P/S探頭量測跨步及接觸電壓。
- 可於25V – 2500V DC量測接地電阻並執行極化與介質吸收比指數計算。
- 壓敏電阻測試2.5kV。
- 鉤錶量測直流及交流電流量測。
- 真有效值電壓及頻率量測。
- 可於7mA及200mA DC測試電流進行低電阻量測。
產品特色
- 單機即可滿足所有類型之接地量測需求。
- 採多頻測試以獲得最佳抗噪性。
- 絕緣範圍 : 絕緣測試電壓為50V – 2.5kV,電阻測量範圍達100GΩ。
- 過電壓保護 600 V CAT II、300 V CAT III(海拔 4000 米處)。
- 4.3吋彩色觸控LCD螢幕。
- 可編程自動序列。
- 高防護等級(IP 54)。
- 200 mA DC電阻測量(4線)。
- 支持單次或自動測量。
- 便攜式,內置充電器和可充電鋰離子電池。
- 與PC、Android 平板電腦和智能手機進行藍芽通信。
- PC SW Metrel ES Manager 用於測量前後處理:測試架構設置、下載結果、樹狀視圖、表格視圖和圖形化視圖、儲存和列印。
產品應用對象
- 工廠及公司設備初期規劃及定期測試。
- 工業區、科技園區、加工區、商辦大樓、醫院、市場百貨。
- 各類有電力檢測需求之單位。
-
功能
測量範圍
解析度
精度
絕緣電阻量測
0 kΩ … 999 kΩ
1.00 MΩ ... 9.99 MΩ
10.0 MΩ ... 99.9 MΩ
100 MΩ ... 999 MΩ
1.00 GΩ ... 9.99 GΩ
10.0 GΩ ... 99.9 GΩ1 kΩ
0.01 MΩ
0.1 MΩ
1 MΩ
10 MΩ
100 MΩ±(3 % of reading + 3 digits)
±(5 % of reading + 3 digits)
±(15 % of reading + 1 digit)連續性 200 mA PE
導體(有極性變化)0.020 Ω … 1.999 Ω
2.00 Ω … 19.99 Ω
20.0 Ω … 999.9 Ω
1.000 kΩ … 1.999 kΩ0.001 Ω
0.01 Ω
0.1 Ω
1 Ω±(1 % of reading + 2 digits)
低電阻連續性測量
測試電流:7mA0.0 Ω … 199.9 Ω
200 Ω … 1.999 kΩ
2.00 kΩ … 19.99 kΩ
20.0 kΩ … 199.9 kΩ
200 kΩ … 999 kΩ0.1 Ω
1 Ω
10 Ω
100 Ω
1 kΩ±(0,5 % of reading + 5 digits)
±(2 % of reading + 5 digits)接地電阻(4線)
測試頻率:55Hz-264Hz0.010 Ω … 1.999 Ω
2.00 Ω … 19.99 Ω
20.0 Ω … 199.9 Ω
200 Ω … 999 Ω
1.000 kΩ … 1.999 kΩ
2.00 kΩ … 19.99 kΩ0.001 Ω
0.01 Ω
0.1 Ω
1 Ω
0.001 kΩ
0.01 kΩ±(3 % of reading + 3 digits)
接地電阻(4線)
含1組電流鉤錶0.010 Ω … 1.999 Ω
2.00 Ω … 19.99 Ω
20.0 Ω … 199.9 Ω
200 Ω … 999 Ω
1.000 kΩ … 1.999 kΩ
2.00 kΩ … 19.99 kΩ0.001 Ω
0.01 Ω
0.1 Ω
1 Ω
0.001 kΩ
0.01 kΩ±(8 % of reading + 3 digits)
接地電阻量測
含2組鉤錶2.00 Ω … 9.99 Ω
10.0 Ω … 49.9 Ω
50 Ω … 100 Ω0.01 Ω
0.1 Ω
1 Ω±(5 % of reading + 2 digits)
±(10 % of reading + 2 digits)
±(20 % of reading)特定接地電阻
(Wenner 和 Schlumberger 方法)0.00 Ωm … 19.99 Ωm
20.0 Ωm … 199.9 Ωm
200 Ωm … 999 Ωm
1.000 kΩm … 1.999 kΩm
2.00 kΩm … 19.99 kΩm
20.0 kΩm … 199.9 kΩm
200 kΩm … 999 kΩm
1.0 MΩm … 1.99 MΩm0.01 Ωm
0.1 Ωm
1 Ωm
0.001 kΩm
0.01 kΩm
0.1 kΩm
1 kΩm
10 kΩm計算值(考慮
4 極測量的不確定性)接地電位 - 電壓
0.00 mV … 99.99 mV
100.0 mV … 999.9 mV
1.000 V … 9.999 V
10.00 V … 49.99 V0.01 mV
0.1 mV
1 mV
10 mV±(1 % of reading + 3 digits)
跨步及接觸電壓
0.1 V … 199.9 V
200 V … 999 V0.1 V
1 V計算值
有效值電壓
0.000 V … 9.999 V
10.00 V … 99.99 V
100.0 V … 749.9 V0.001 V
0.01 V
0.1 V範圍:15Hz -99 Hz
±(0.5 % of reading + 3 digits)
範圍:100Hz - 399 Hz
±(1 % of reading + 3 digits)
範圍:400Hz - 1200 Hz
±(5 % of reading + 3 digits)直流電壓
0.000 V … 9.999 V
10.00 V … 99.99 V
100.0 V … 999.9 V0.001 V
0.01 V
0.1 V±(0.5 % of reading + 3 digits)
頻率
15.00 Hz … 99.99 Hz
100.0 Hz … 999.9 Hz
1000 Hz … 1200 Hz0.01 Hz
0.1 Hz
1 Hz±(0.2 % of reading + 1 digit)
電流(A 1281電流鉤錶)
10 mA … 749 mA
0.10 A … 7.49 A
2.0 A … 99.9 A
100 A … 149 A
20 A … 999 A1 mA
0.01 A
0.1 A
1 A
1 A±(2.5 % of reading + 3 digits)
壓敏電阻測試
0.0 V .... 99.9 V
100 V .... 999 V
1.00 kV .... 2.50 kV0.1 V
1 V
10 V±(1 % of reading + 3 digits)
防護等級
IP54,雙重絕緣
顯示
4.3吋彩色觸控LCD螢幕
電源規格
7.2 V(4400 mAh 鋰離子電池組)
尺寸(l x h x w)
250 x 110 x 160 mm
重量
1.6公斤
過電壓保護(一般狀況)
300 V CAT IV;降級至 600 V CAT II; 300 V CAT III (海拔 4000 公尺)
-
Measuring functions
- Earth resistance 4 - pole;
- Selective earth resistance with 1 clamp;
- Specific earth resistance Ro Wenner and Schlumberger method;
- Earth resistance with 2 iron clamps;
- Earth potential;
- Step and touch voltage measurement with external P/S probe;
- Insulation resistance with DC voltage from 50 V to 2500 V and PI, DAR calculation;
- Varistor test 2,5 kV;
- Current measurements with clamps AC and DC;
- TRMS voltage and frequency measurements;
- Low Ohm measurements with 7 mA and 200 mA DC test current.
Key features
- Possibility of performing all main types of earth measurements with a single instrument.
- Multi-frequency test signal for best noise immunity.
- Insulation range: wide range of insulation test voltages from 50 V to 2500 V, resistance measuring range up to 100 GΩ.
- Overvoltage category 600 V CAT II, 300 V CAT III; at 4000 m above sea level.
- 4.3’’ colour LCD display with touch screen.
- Programmable AUTO SEQUENCEs.
- High degree of protection.
- 4-wire 200 mA DC resistance measurement.
- Support for single or automated measurements.
- Built-in charger and rechargeable Li-ion batteries as standard accessory.
- BT communication with PC, Android tablets and smart phones via built-in BT.
- PC SW Metrel ES Manager for measurement pre and post processing: preparation of the test structure, result download, tree-view, table view and graphical view, storing and printing..
Technical data
- Dimensions (w x h x l): 250 X 110 X 160 mm
- Weight (with batteries, without accessories): 1.6 kg
-
FUNCTION
Measuring range
Resolution
Accuracy
Insulation resistance Riso Un = 2,5 kV
0 kΩ … 999 kΩ
1.00 MΩ 9.99 MΩ
10.0 MΩ 99.9 MΩ
100 MΩ 999 MΩ
1.00 GΩ 9.99 GΩ
10.0 GΩ 99.9 GΩ1 kΩ
0.01 MΩ
0.1 MΩ
1 MΩ
10 MΩ
100 MΩ±(3 % of reading + 3 digits)
±(5 % of reading + 3 digits)
±(15 % of reading + 1 digit)Continuity 200 mA of PE conductor
with polarity change0.020 Ω … 1.999 Ω
2.00 Ω … 19.99 Ω
20.0 Ω … 999.9 Ω
1.000 kΩ … 1.999 kΩ0.001 Ω
0.01 Ω
0.1 Ω
1 Ω±(1 % of reading + 2 digits)
Low resistance continuity measurement,
test current 7 mA (continuous measurement)0.0 Ω … 199.9 Ω
200 Ω … 1,999 kΩ
2.00 kΩ … 19.99 kΩ
20.0 kΩ … 199.9 kΩ
200 kΩ … 999 kΩ0.1 Ω
1 Ω
10 Ω
100 Ω
1 kΩ±(0,5 % of reading + 5 digits)
±(2 % of reading + 5 digits)
Earth resistance 4-wire method test frequency 55 – 164 Hz
0.010 Ω … 1.999 Ω
2.00 Ω … 19.99 Ω
20.0 Ω … 199.9 Ω
200 Ω … 999 Ω
1.000 kΩ … 1.999 kΩ
2.00 kΩ … 19.99 kΩ0.001 Ω
0.01 Ω
0.1 Ω 1 Ω
0.001 kΩ
0.01 kΩ±(3 % of reading + 3 digits)
Earth resistance 4-wire method with one current clamp - Selective
0.010 Ω … 1.999 Ω
2.00 Ω … 19.99 Ω
20.0 Ω … 199.9 Ω
200 Ω … 999 Ω
1.000 kΩ … 1.999 kΩ
2.00 kΩ … 19.99 kΩ0.001 Ω
0.01 Ω
0.1 Ω 1 Ω
0.001 kΩ
0.01 kΩ±(8 % of reading + 3 digits)
2-clamp earth resistance measurement
2.00 Ω … 9.99 Ω
10.0 Ω … 49.9 Ω
50 Ω … 100 Ω0.01 Ω
0.1 Ω
1 Ω±(5 % of reading + 2 digits)
±(10 % of reading + 2 digits)
±(20 % of reading)Specific earth resistance Ro Wenner and
Schlumberger method0.00 Ωm … 19.99 Ωm
20.0 Ωm … 199.9 Ωm 200 Ωm … 999 Ωm
1.000 kΩm … 1.999 kΩm
2.00 kΩm … 19.99 kΩm
20.0 kΩm … 199.9 kΩm 200 kΩm … 999 kΩm
1.0 MΩm … 1.99 MΩm0.01 Ωm
0.1 Ωm 1 Ωm
0.001 kΩm
0.01 kΩm
0.1 kΩm 1 kΩm
10 kΩmcalculated value (consider uncertainty of 4 – pole measurement)
Earth potential - voltage
0.00 mV … 99.99 mV
100.0 mV … 999.9 mV 1.000 V … 9.999 V
10.00 V … 49.99 V0.01 mV
0.1 mV
1 mV
10 mV±(1 % of reading + 3 digits)
Step and Touch
0.1 V … 199.9 V
200 V … 999 V0.1 V 1 V
calculated value
Voltage TRMS
0.000 V … 9.999 V
10.00 V … 99.99 V
100.0 V … 749.9 V0.001 V
0.01 V
0.1 VRange: 15 ... 99 Hz
±(0.5 % of reading + 3 digits) Range: 100 ... 399 Hz
±(1 % of reading + 3 digits) Range: 400 ... 1200 Hz
±(5 % of reading + 3 digits)Voltage DC
0.000 V … 9.999 V
10.00 V … 99.99 V
100.0 V … 999.9 V0.001 V
0.01 V
0.1 V±(0.5 % of reading + 3 digits)
Frequency
15.00 Hz … 99.99 Hz
100.0 Hz … 999.9 Hz
1000 Hz … 1200 Hz0.01 Hz
0.1 Hz
1 Hz±(0.2 % of reading + 1 digit)
Current with A 1281 Current clamp
10 mA … 749 mA
0.10 A … 7.49 A
2.0 A … 99.9 A
100 A … 149 A
20 A … 999 A1 mA
0.01 A
0.1 A 1 A
1 A±(2.5 % of reading + 3 digits)
Varistor Test
0.0 V........ V
100 V....... V
1.00 kV....... kV0.1 V
1 V
10 V±(1 % of reading + 3 digits)
GENERAL
Measuring category
300 V CAT IV; derated to 600 V CAT II; 300 V CAT III at 4000 m ASL
Protection class
Double insulation
COM port
BT, USB
Display
4.3’’ colour LCD display with backlight and touch screen
Degree of protection
IP 54
Power supply
7.2 V (4400 mAh Li-ion battery pack)
Size (l x h x w)
250 x 110 x 160 mm
Weight
1.6 kg