The S331B SiteMaster is a hand-held SWR/RL (standing wave ratio/return loss) and Distance-to-Fault measurement instrument that includes a built-in synthesized sweep signal source.

All our used & refurbished equipment is subject to electrical and cosmetic refurbishment in our In House Calibration Laboratory. We offer full warranty on all our equipment, supported by our Calibration & Repair Laboratory. Free shipping in the UK is standard. Please call or email us for a quick price quote

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