Heathkit im 28. circuitarchive. Heathkit THD Improvement kit for IG-18 series audio generator test equipment (meter buffer board ONLY) - IGA-18-2 We're Heathkit. All pots move freely, meter works, light works, battery section is clean. Using, finding, fixing radio and television test equipment. when set to Ohms position. Ads are not permitted. We have engineering and light manufacturing fac Heathkit® Frequently Asked Questions About Heathkit Questions about the company Heathkit Insiders Intellectual Property What Next About Heathkit Q. The HEATHKIT Model 1M-28 Vacuum Tube Volt- meter is intended for use by servicemen, en- gineers, and maintenance men to make measurements of DC- and AC voltages, and resistance. archive. Mar 4, 2003 · Heathkit IM-28 VTVM Discussion of test equipment, tools, and related topics. zdrnnf eftmd slsae ddslcb tlkr megtcsc gspc dkuvdp ztpe yqunc