KYORITSU 3552 DIGITAL INSULATION / CONTINUITY TESTER

Kyoritsu 3552 Digital Insulation / Continuity Tester

The Kyoritsu 3552 Digital Insulation / Continuity Tester is built for professionals who demand speed, precision, and reliability in electrical testing. With the world’s fastest class measurement speed of just 0.5 seconds, it allows electricians and maintenance teams to perform tests more efficiently, saving valuable time on every job.

In addition, this insulation tester offers six selectable ranges50V, 100V, 125V, 250V, 500V, and 1000V — ensuring accurate measurements across a wide variety of electrical systems. Moreover, its versatility makes it ideal for industrial, commercial, and residential applications.

Furthermore, the Kyoritsu 3552 provides a well-rounded lineup of features that fully meet the diverse needs of electrical professionals. As a result, it delivers both insulation resistance and continuity testing in one compact, user-friendly device.

Designed with durability and accuracy in mind, the Kyoritsu 3552 Digital Insulation / Continuity Tester is an essential tool for electricians, inspection engineers, and technicians who value performance and efficiency.

  • World’s fastest class measurement speed (0.5 sec.)
  • 6 ranges are available for insulation resistance test (50/100/125/250/500/1000V)
  • Various lineup definitely fulfills your needs

 

KEW3551 : Standard model

KEW3552 : With memory function

KEW3552BT : With memory and Bluetooth communication functions

 

Specification of Kyoritsu 3552 Digital Insulation / Continuity Tester

Insulation resistance

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)
Rated current 1.0 to 1.1mA
Output short circuit current 1.5mA max

Ω / Continuty

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 or more

Voltage

Voltage range AC 2.0 to 600V(45 to 65Hz)
DC -2.0 to -600V +2.0 to +600V
Accuracy ±1%rdg ±4dgt

General

Applicable standards IEC 61010 CAT Ⅲ 600V / CAT Ⅳ 300V, IEC 61010-2-034
IEC61557-1,2,4 IEC61326-1,2-2 IEC60529(IP40)
Power source LR6/R6(AA)(1.5V)x4
Communication interface USB
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)x4
Instruction manual
Optional Accessories 7243A(L-shaped probe)
8016(Hook type prod)
9186A (Carrying case)
9187 (Cord case)
8212-USB(USB adapter)

Please download “KEW Report(software)” from here.