PPM field rugged portable ohmmeters are qualified by the US DoD for use on military aircraft of all types. Products include bond meters for general use that are intrinsically safe for jet fuel environments; micro ohmmeters that are useful for the shop environment; gigohm meters for insulation resistance testing; and ground resistance tests for ground testing and environmental electrical safety tests. For more information visit www.ppminc.com or call (216) 595-3200.