1.Core number: 3, 4 or 6 cores 2.Dia(mm):2, 2.4, 3.0, 3.2, 4.0, 4.8, 5.0, 6.0, 6.4, 8.0 3.Sheath material: SS321 1.Product details Mineral insulated RTD PT100 cables RTD Cable FEATURE : 1). Conductor material: Copper or Nickel2). Core number: 3, 4 or 6 cores3). Sheath material: SUS321(SS304) or SUS3164). Insulator: 99.6% high purity Mgo5). Dia(mm): 2, 2.4, 3.0, 3.2, 4.0, 4.8, 5.0, 6.0, 6.4, 8.0 ...