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AAA alkaline batteries (IEC LR03
Relative function
Universal - Uses standard 4mm connections and alternative BS1363 socket for connecting your tester
0kHz (V) Accuracy ± 0
7 mmH2O: ± 1
Martindale CB12 Calibration Box BSPP AAA alkaline batteries (IEC LR03Martindale CB12 Calibration Box This calibration check box allows you to check the calibration of insulation and continuity testers. Description The CB12 is a portable check box for checking the resistance and continuity ranges of multimeters, insulation testers, multifunction clamp meters and test instruments which use resistance as part of their measurement capability. This check box provides a quick method of verifying that a test instrument is
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