CAMI Research releases CB50 cable tester board | Automation.com

CAMI Research releases CB50 cable tester board

February 042016
CAMI Research releases CB50 cable tester board

February 4, 2016 - CAMI Research releases CB50 cable tester board used for periodic verification of cable tester calibration. opulated with precision resistors, it allows users to determine empirically whether the tester requires calibration. The CB50 may be used on all CableEye models.

The CB50 attaches to the tester like a regular connector board. When checking expansion modules, the board can be connected directly or via an extension cable. CB50 contains a network of precision resistors for checking resistance, and two diodes for checking diode polarity. Ten different resistance values are checked in triplicate at each of the tester header’s 64 test points. The values span the entire test range. The CB50 is configured to verify model M3U, while the CB50H is configured for models M3UH, HVX, and HVX-21.

The CB50 is intended for periodic verification of tester calibration. To ensure that resistance measurements remain accurate, CAMI recommends yearly calibration. However, depending on environmental conditions and usage, testers may need calibrating more or less frequently. Certain components within models M3U, M3UH, HVX, and HVX-21 (i.e. those capable of measuring resistance) are analog components whose characteristics change slightly over time. This aging is a natural phenomenon common to all electronic components and may cause resistance measurements or gradually deviate from normal. A tester that is out of calibration will give inaccurate results. Some (maybe all) resistance measurements will be incorrect. Consequently, it may Pass what should Fail and, conversely, Fail what should Pass. In other words product yield will be contaminated due to unreliable quality.

Companies interested in quality product and maximum yield will ensure their testers are calibrated. Those with quality certifications such as six sigma or ISO9001 will be required to calibrate. The CB50 will allow these quality-focused companies to optimally determine when calibration is necessary and to schedule accordingly. Customers may purchase a kit to calibrate the tester themselves, or send the tester to CAMI for calibration.

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