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Rugged Bayonet Style Probes with Stainless Steel Cable
BTH / BTC / BTA
Features
High Temperature Design
Wide Variety of Immersion Lengths, Styles and Mounting Arrangements Available
Fast Delivery on Standard Configurations
304 SS Sheath, Solid 4.7 mm (3/16") Dia. Probe
Flexible 7.0 mm (0.275") Stainless Steel Cable (60" Standard)
Glass Braid Insulated 20 AWG Solid Thermocouple Wire
Grounded Junction

Standard Extruder Probes Bayonet Type
Dimensions*
Type
Cold End Termination
Model No.
Straight

A = 57.15 mm (2.25")
or 88.9 mm (3.50")
B = 1.54 m (60")
J
1 (spade lugs)
BTH-000-J-( )-60-1
J
2 (std size connector)
BTH-000-J-( )-60-2
K
1 (spade lugs)
BTH-000-K-( )-60-1
K
2 (std size connector)
BTH-000-K-( )-60-2
T
1 (spade lugs)
BTH-000-T-( )-60-1
T
2 (std size connector)
BTH-000-T-( )-60-2
E
1 (spade lugs)
BTH-000-E-( )-60-1
E
2 (std size connector)
BTH-000-E-( )-60-2
 

A = 57.15 mm (2.25")
or 88.9 mm (3.50")
B = 1.54 m (60")
J
1 (spade lugs)
BTH-090-J-( )-60-1
J
2 (std size connector)
BTH-090-J-( )-60-2
K
1 (spade lugs)
BTH-090-K-( )-60-1
K
2 (std size connector)
BTH-090-K-( )-60-2
T
1 (spade lugs)
BTH-090-T-( )-60-1
T
2 (std size connector)
BTH-090-T-( )-60-2
E
1 (spade lugs)
BTH-090-E-( )-60-1
E
2 (std size connector)
BTH-090-E-( )-60-2
* Note: Insert 2-1/4 or 3-1/2: Standard “A” Dimension in space ( ). Longer lengths available at $ 1.00/foot. “B” standard dimensions is 60". For longer lengths, change “60” to desired length, and add $2.25 per foot to price.

Pipe Clamp Adaptors for Bayonet-Type Thermocouples

†Note: Choose "A" thermocouple dimension of 2-1/4" for all bayonet type thermocouples used with pipe clamp adaptors.

To measure temperature of pipes without drilling. Easily installed and removed.

Model No.
For Pipe Diameter (inches)
Model No.
For Pipe Diameter (inches)
BTC-1
1/2 to 7/8
BTC-4
2-1/4 to 3-5/16
BTC-2
7/8 to 1-1/2
BTC-5
3-5/16 to 4-1/4
BTC-3
1-5/16 to 2-1/4
BTC-6
4-5/16 to 5-1/4
Material is Stainless Steel

Adaptors for Bayonet-Type Thermocouples

Model No.
Length (inches)
Thread Size
Model No.
Length (inches)
Thread Size
BTA-1
7/8
1/8-27 NPT
BTA-4
1-3/8
3/8-24
BTA-2
7/8
3/8-24
BTA-5
2-1/2
1/8-27 NPT
BTA-3
1-3/8
1/8-27 NPT
BTA-6
2-1/2
3/8-24
Adaptor material is stainless steel


Drilling Selection Table for Spring Loaded Bayonet Type Thermocouples
Hole Depth "C" Inches*
Probe length "A" Inches
7/8 Long Adaptor
1-3/8" Long Adaptor
2-1/2" Long Adaptor
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
1-1/2 to 2
3
3-1/2
4-5/8
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
*For deeper holes than those listed, add 1/2 inch to probe dimension “A” for each 1/2 inch of hole depth dimension “C”.
Note: Thermocouples supplied without adaptors.




To Order (Specify Model Number, see variations below in partnumber builder table)    
 Part Number   Availability   Price    Description    Qty.
 BTH-000-J-2 1/4-60-1 in-stock    $30.00     2-1/4", Type J, Straight Through, Bayonet Style Thermocouple Assembly, Termination Style 1  
 BTH-000-J-3-1/2-60-1 in-stock    $29.00     3-1/2", Type J, Straight Through, Bayonet Style Thermocouple Assembly, Termination Style 1  
 BTH-090-J-2 1/4-60-1 in-stock    $31.00     2-1/4" Type J, 90° Bend Bayonet Style Thermocouple Assembly, Termination Style 1  
 BTH-090-J-2 1/4-60-2 in-stock    $34.00     2-1/4" Type J, 90° Bend Bayonet Style Thermocouple Assembly, Termination Style 2  
 BTH-090-K-2 1/4-60-2 in-stock    $34.00     2-1/4", Type K, 90° Bend Bayonet Style Thermocouple Assembly, Termination Style 2  
 BTH-090-K-3 1/2-60-1 1 Week    $31.00     3-1/2", Type K, 90° Bend Bayonet Style Thermocouple Assembly, Termination Style 1  
 BTH-090-E-2 1/4-60-2 in-stock    $34.00     2-1/4" Type E, 90° Bend Bayonet Style Thermocouple Assembly, Termination Style 2  
 Pipe Clamp Adaptors
 BTC-1 in-stock    $11.00     1/2 to 7/8 Pipe Clamp Adaptor  
 BTC-2 in-stock    $11.00     7/8 to 1-1/2 Pipe Clamp Adaptor  
 BTC-3 in-stock    $11.00     1-5/16 to 2-1/4 Pipe Clamp Adaptor  
 BTC-4 in-stock    $11.00     2-1/4 to 3-5/16 Pipe Clamp Adaptor  
 BTC-5 in-stock    $11.00     3-5/16 to 4-1/4 Pipe Clamp Adaptor  
 BTC-6 in-stock    $11.00     4-5/16 to 5-1/4 Pipe Clamp Adaptor  
 Threaded Bayonet Adaptors
 BTA-1 in-stock    $6.00     Threaded Bayonet Adaptor, Thread Size: 1/8-27 NPT, Length: 7/8"  
 BTA-2 in-stock    $6.00     Threaded Bayonet Adaptor, Thread Size: 3/8-24", Length: 7/8"  
 BTA-5 in-stock    $8.00     Threaded Bayonet Adaptor, Thread Size: 1/8-27 NPT, Length: 2-1/2"  
 BTA-3 in-stock    $7.00     Threaded Bayonet Adaptor, Thread Size: 1/8-27 NPT, Length: 1-3/8"  
 BTA-4 in-stock    $7.00     Threaded Bayonet Adaptor, Thread Size: 3/8-24, Length: 1-3/8"  
 BTA-5 in-stock    $8.00     Threaded Bayonet Adaptor, Thread Size: 1/8-27 NPT, Length: 2-1/2"  
 BTA-4 in-stock    $7.00     Threaded Bayonet Adaptor, Thread Size: 3/8-24, Length: 7/8"  
 BTA-5 in-stock    $8.00     Threaded Bayonet Adaptor, Thread Size: 1/8-27 NPT, Length: 2-1/2"  
 BTA-6 in-stock    $8.00     Threaded Bayonet Adaptor, Thread Size: 3/8-24, Length: 2-1/2"  
 
All dollar amounts on this site are shown in US currency.

 Part Number Builder
(1) (2) (3) (4)
BTH- - - - 60-
Option Descriptions
(1) Probe Tip Style
  Select
000 for Straight
090 for 90º Bend
(2) Thermocucouple Type
  Select
J for J (Iron-Constantan)
K for K (CHROMEGA®-ALOMEGA®)
T for T (Copper-Constantan)
E for E (CHROMEGA®-Constantan)
(3) Probe A Tip Dimension
  Select
2 1/4 for 2¼ Inch
3 1/2 for 3½ Inch
(4) Termination Style
  Select
1 for Spade Lugs
2 for Standard Size Connector
 NOTE: All combinations may not be valid, check spec sheet for valid part numbers.


   

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