Extension Cables are used with the HM-654 Wireless Concrete Crack Data Logging System to extend the monitoring cable. Extending the cable allows the data logger to span and monitor larger gaps.
HMA-666 is 12in (305mm) long.
HMA-669 is 20in (508mm) long.
HMA-779 is 39in (990.6mm) long.
HMA-680 is 79in (1,981.2mm) long.
- Allows monitoring cable to span larger gaps
- Extension Cable (12in, 20in, 39in, or 79in)