Gas thermocouple head

Technical data: 1.Type: TZ-21 2.Applicable gas  kinds:Net gas ,LPG. 3.650°C No-load potential:≥20mV 4.Inner resistance: ±3 mΩ Others data: 1.Materials:Ni90Cr10,Inconel 2.Size: Φ3mm,Φ4mm,Φ5mm 3.Length: 10mm--60mm 4.MOQ & delivery time: 50,000pcs/7 days 5.Packing: 5000pcs/1PVC bag