57 mm (2.25 ) 76 mm (3.0 ) 48 mm (1.9 ) 104 mm (4.1 ) Industrial Thermocouples Available as Protection Head Design U Sheath Materials: 304SS, 310SS, 316SS, 321SS, Inconel or Super OMEGACLAD XL U Probe Length 300 mm (12 ), 600 mm (24 ) Custom Lengths Available, Consult Sales 83 mm 92 mm (3.25 ) (3.63 ) Probe length includes approximately 1 12.5 mm ( 2 ) allowance for NB2, Aluminum NB1, Cast Iron threads. 1 2 NPT 53 mm mounting (2.1 ) threads 15 mm Note: All industrial (0.6 ) heads shown are available for 25 mm purchase (1 ) separately. NB3, Aluminum with Snap-Lock NB4, Sub-Miniature Aluminum 260S Series For a complete selection of thermowells in both Standard and Metric dimensions, please visit us online. 260HL Series Complete your application with OMEGAs extension wire. A-131 Available Probes with Built-In Transmitters Length 83 mm (3.3 )C A Available as New and Improved Protection Heads Industrial Thermocouple Probes H Cast Iron NB5 Material: Cast iron Weight: 1.6 kg (3.5 lb) Dimensions: H=95 mm (3.8 ) Domed C=86 mm (3.4 ) Top 1 2 NPT mounting threads. Deep Base NB6 Material: Alloy-Aluminum Weight: 250 g (8.8 oz) Probe length Dimensions: includes approx H=82 mm (3.2 ) 1 2 allowance C=82 mm (3.2 ) for threads. NB8 Material: Alloy-Aluminum Weight: 230 g (8 oz) Dimensions: H=86 mm (3.4 ) C=70 mm (2.8 ) Ordering Example: NB8-ICSS-18U-12, a 300 mm (12 ) ungrounded ICSS Flip Top Type J stainless steel thermocouple, NB7 1 3 mm ( 8 ) sheath Material: Alloy-Aluminum diameter probe Weight: 250 g (8.8 oz) with an NB8 protection head. Dimensions: H=93 mm (3.7 ) C=76 mm (3 ) A-132 Available Probes with Built-in Transmitters