Martindale Electric

Multi-function calibrator for electrical measuring instruments
CB12 Martindale Electric

The Martindale CB12 checkbox allows you to verify your insulation testers or multimeters are working within specification. This easy-to-use testbox features one connection for your test leads and a dial to select the required test range.

The unit is housed in an impact resistant ABS case and is small enough to carry in your toolbox, enabling you to verify your instruments in the field.

This item is supplied with a calibration certificate.
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