Flanders, N.J.—Preprogrammed for heavy and light fuel oils, natural gas, and propane, the Companion includes one button draft measurements that eliminate the need for additional manometers, solutions, and tubing. A built-in differential temperature feature makes flow-return measurements and condensing furnace adjustments quick and easy.
Flanders, N.J.— Preprogrammed for heavy and light fuel oils, natural gas, and propane, the Companion includes one button draft measurements that eliminate the need for additional manometers, solutions, and tubing. A built-in differential temperature feature makes flow-return measurements and condensing furnace adjustments quick and easy. Wireless printout capability provides verification documentation. Long-life electrochemical cells are used to automatically capture flue or stack gases for analysis. As fuel-air ratios and other adjustments are performed, real-time values are displayed. Accessories include an ambient air probe, clamp temperature probe for piping, and a surface temperature probe. Testo Inc.