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Tel: (028).3977.8269 / 0906.988.447
Email: sales@lidinco.com
Contact Bac Ninh, Ha Noi City
Tel: (0222).730.0180
Email: bn@lidinco.com
Other Contact: 
・World’s fastest measurement speed (0.5 sec.)
・Six ranges available for insulation
resistance test (50/100/125/250/500/1000 V)
・Insulation measurement up to 40GΩ
・Diagnostic Insulation Test : PI, DAR
KEW3551 : Standard model
KEW3552 : With memory function
KEW3552BT : With memory and Bluetooth communication functions
| Test voltage | 50V/100V/125V/250V/500V/1000V |
|---|---|
| Measuring range<br>(Auto range) | 100.0MΩ（50V） 200.0MΩ（100V） 250.0MΩ（125V） 500.0MΩ（250V） 20.00GΩ（500V） 40.00GΩ（1000V） |
| Mid-scale value | 2MΩ（50V） 5MΩ（100V/125V） 10MΩ（250V） 100MΩ（500V） 200MΩ（1000V） |
| First effective measuring range | 0.100 ～ 10.00MΩ（50V） 0.100 ～ 20.00MΩ（100V） 0.100 ～ 25.00MΩ（125V） 0.100 ～ 50.0MΩ（250V） 0.100 ～ 500MΩ（500V） 0.100 ～ 1000MΩ（1000V） |
| Accuracy | ±2%rdg ±2dgt |
| Second effective measuring ranges | 0.050 ~ 0.099MΩ（50V/100V/125V/250V/500V/1000V） 10.01 ~ 100.0MΩ（50V） 20.01 ~ 200.0MΩ（100V） 25.01 ~ 250.0MΩ（125V） 50.1 ~ 500MΩ（250V） 501 ~ 2000MΩ（500V） 1001 ~ 4000MΩ（1000V） |
| Accuracy | ±5%rdg (0.050 ~ 0.099MΩ: ±2%rdg±4dgt) |
| Rated current | 1.0 ~ 1.1mA |
| Output short circuit current | 1.5mA max |
| Auto range | 40.00/400.0/4000Ω |
|---|---|
| Accuracy | ±2.5%rdg ±8dgt |
| Output voltage on open circuit | 5V（4~6.9V） |
| Output short circuit current | 200mA max |
| Voltage range | AC 2.0~600V（45~65Hz） DC -2.0~-600V +2.0~+600V |
|---|---|
| Accuracy | ±1%rdg ±4dgt |
| Applicable standards | IEC61010 CATⅢ 600V/CAT IV 300V IEC61557-1,2,4 IEC61326-1,-2-2 IEC60529（IP40） |
|---|---|
| Power source | LR6/R6（AA）（1.5V）x4 |
| Communication interface | USB |
| Dimensions / Weight | 97(L) x 156(W) x 46(D) mm / 490g approx（including battery） |
| Included Accessories | 7260（Test leads with remote control switch） 7261A（Test leads with alligator clip） 8017A（Extension prod long） 9173（Carrying case） 9121（Shoulder strap） LR6（AA）（1.5V）x4 Instruction manual |
| Optional Accessories | 7243A（L-shaped probe） 8016（Hook type prod） 8212-USB（USB adaptor with “KEW Report (software)” ） |
-7260(Wire test lead with remote control switch）
-7261A(Test lead with alligator clip）
-8017A (Extended extension cord）
-9173 (Case
-9121 (Shoulder strap）
-LR6 (AA)(1.5V）x4
-User manual
Option:
-7243A L-shaped probe）
-8016 Hook-type product ）
-8212-USB （USB Adapter with “KEW Report (software)”）
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