Profile: L-k Industries, Inc. supplies oil testing equipment. Our products include heated portable centrifuges, sample heaters, lab model centrifuges and gauging tapes. We market heated portable centrifuges, which include space saving sliding stainless steel lid, tachometer access with lid closed & variable speed motor control. Our D model sample heater is thermostatically controlled to prevent runaway temperatures. We design lab model centrifuges which feature electric heated cups & built-in tachometer.