Expansion Boxes
Increase the number of pins and amount of voltage for your tester.
4200 Expansion Box
Adds 128 test points to your 4200
4250 Expansion Box
Adds 128 test points to your 4250
Easy-Touch® Pro Expansion Box
Adds 128 test points to your Easy-Touch Pro.
8100 Expansion Box
Provides 256 additional test points to your 8100 test system.
CH2 Energization Unit
Adds up to 800 energization points to your CH2
Digital I/O Module
Increase your tester’s Digital I/O capabilities
