Profile: Howard Butler Ltd. is a manufacturer and supplier of panel meters, shunts, and associated products. Our product line includes analogue panel meters, current transformers, multi-function meters, synchroscopes, digital panel meters, selector switches, earth leakage relays, battery charger meters, and multifunction transducers. We also offer transducers, protection relays, battery condition indicators, and automotive testing. We have a team of specialist engineers who are regularly adding new products to the range, mostly designed to IEC, BS, or DIN specifications.