Bayonet Type Adapter Details

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Bayonet Type Adapter Details

Table 1A
Adapter Length for Bayonet Type Thermocouples and RTDs

Hole “C”	Probe Length A (in)
(in)	7/8" Long Adapter	1-3/8" Long Adapter	2-1/2" Long Adapter
1⁄4 to 1⁄2	1-5⁄8	2	3-1⁄8
1⁄2 to 1	2	2-1⁄2	3-5⁄8
1 to 1-1⁄2	2-1⁄2	3	4-1⁄8
2 to 2-1⁄2	3-1⁄2	4	5-1⁄8
2-1⁄2 to 3	4	4-1⁄2	5-5⁄8
3 to 3-1⁄2	4-1⁄2	5	6-1⁄8
3-1⁄2 to 4	5	5-1⁄2	6-5⁄8
4 to 4-1⁄2	5-1⁄2	6	7-1⁄8
4-1⁄2 to 5	6	6-1⁄2	7-5⁄8
5 to 5-1⁄2	6-1⁄2	7	8-1⁄8
5-1⁄2 to 6	7	7-1⁄2	8-5⁄8
6 to 6-1⁄2	7-1⁄2	8	9-1⁄8

Table 1B
Bayonet Adapter for Threaded Type Thermocouples and RTDs

Part Number	Length (in)	Thread	Material
TCA-104-101	7⁄8	1⁄8-27 NPT	Plated Steel
TCA-104-103	1-3⁄8	1⁄8-27 NPT	Plated Steel
TCA-104-121	1-1⁄2	1⁄8-27 NPT	Plated Steel
TCA-104-118	2	1⁄8-27 NPT	Plated Steel
TCA-104-105	2-1⁄2	1⁄8-27 NPT	Plated Steel
TCA-104-115	3-1⁄2	1⁄8-27 NPT	Plated Steel
TCA-104-110	4	1⁄8-27 NPT	Plated Steel
TCA-104-102	7⁄8	3⁄8-24 UNF	Plated Steel
TCA-104-104	1-3⁄8	3⁄8-24 UNF	Plated Steel
TCA-104-106	2-1⁄2	3⁄8-24 UNF	Plated Steel
TCA-104-107	2-3⁄8	14 × 1.5mm	Stainless Steel
TCA-104-108	2-1⁄2	10 × 1.5mm	Plated Steel
TCA-104-111	2-1⁄2	12 × 1mm	Plated Steel
†TCA-104-116	2-3⁄8	12 × 1.5mm	Plated Steel
TCA-104-126	2	12 × 1mm	Plated Steel
†TCA-104-127	1	12 × 1mm	Plated Steel
TCA-104-128	1	12 × 1.75mm	Plated Steel
TCA-104-131	3	12 × 1mm	Plated Steel
TCA-104-132	5	12 × 1mm	Plated Steel

†Must be used with 12 mm ID bayonet caps

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