The Kyoritsu 3552BT Digital Insulation / Continuity Tester is engineered for speed, accuracy, and professional performance. With the world’s fastest class measurement speed of just 0.5 seconds, it enables electricians and technicians to complete insulation and continuity tests in record time, boosting productivity on every job.
In addition, this tester offers six selectable ranges for insulation resistance testing — 50V, 100V, 125V, 250V, 500V, and 1000V — ensuring suitability for a wide variety of electrical systems. Moreover, its comprehensive functionality means that it can meet the diverse requirements of industrial, commercial, and residential testing applications.
Furthermore, the Kyoritsu 3552BT provides a versatile lineup that fully satisfies professional testing needs. As a result, users can rely on it as an all-in-one solution for both insulation resistance measurement and continuity checking.
Designed with precision and reliability, the Kyoritsu 3552BT Digital Insulation / Continuity Tester is ideal for electricians, maintenance engineers, and inspection teams who demand high performance and efficiency in their electrical testing tools.
Insulation resistance |
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| Test voltage | 50V | 100V | 125V | 250V | 500V | 1000V |
| Measuring range (Auto-ranging) |
100.0MΩ | 200.0MΩ | 250.0MΩ | 500.0MΩ | 20.00GΩ | 40.00GΩ |
| Mid-scale value | 2MΩ | 5MΩ | 5MΩ | 10MΩ | 100MΩ | 200MΩ |
| First effective measuring range | 0.100 to 10.00MΩ | 0.100 to 20.00MΩ | 0.100 to 25.00MΩ | 0.100 to 50.0MΩ | 0.100 to 500MΩ | 0.100 to 1000MΩ |
| Accuracy | ±2%rdg ±2dgt | |||||
| Second effective measuring range | 0.050 to 0.099MΩ 10.01 to 100.0MΩ |
0.050 to 0.099MΩ 20.01 to 200.0MΩ |
0.050 to 0.099MΩ 25.01 to 250.0MΩ |
0.050 to 0.099MΩ 50.1 to 500MΩ |
0.050 to 0.099MΩ 501 to 2000MΩ |
0.050 to 0.099MΩ 1001 to 4000MΩ |
| Accuracy | ±5%rdg (0.050 to 0.099MΩ: ±2%rdg±4dgt) |
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| Rated current | 1.0 to 1.1mA | |||||
| Output short circuit current | 1.5mA max | |||||
Ω / Continuty |
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| Auto-ranging | 40.00/400.0/4000Ω | |||||
| Accuracy | ±2.5%rdg ±8dgt | |||||
| Output voltage on open circuit | 5V(4 to 6.9V) | |||||
| Output short circuit current | 200mA max | |||||
Voltage |
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| Voltage range | AC 2.0 to 600V(45 to 65Hz) DC -2.0 to -600V +2.0 to +600V |
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| Accuracy | ±1%rdg ±4dgt | |||||
General |
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| Applicable standards | IEC 61010 CAT Ⅲ 600V / CAT Ⅳ 300V, IEC 61010-2-034 IEC61557-1,2,4 IEC61326-1,2-2 IEC60529(IP40) |
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| Power source | LR6/R6(AA)(1.5V)x4 | |||||
| Communication interface | USB , Bluetooth®5.0 | |||||
| Dimension / Weight | 97(L) x 156(W) x 46(D) mm / Approx. 490g(including battery) | |||||
| Accessories | 7260(Test lead with remote control switch) 7261A(Test lead with alligator clip) 8017A(Extension prod long) 9173(Carrying case) 9121(Shoulder strap) LR6(AA)(1.5V)x4 Instruction manual |
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| Optional Accessories | 7243A(L-shaped probe) 8016(Hook type prod) 9186A (Carrying case) 9187 (Cord case) 8212-USB(USB adapter) |
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Please download “KEW Report(software)” from here.
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