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Length
Thread
9.52 mm
11.11 mm
(.375")
(.437")
A
B
(1.63)
41.4
Solid Probe Bayonet Style
With Stainless Steel Armor Cable
U High-Temperature Design
U Wide Variety of Immersion
Lengths, Styles and Mounting
Arrangements Available
U Fast Delivery on Standard
Configurations
U 304 SS Sheath, Solid 4.7 mm
3
(
⁄16") Diameter Probe
U Flexible 7.0 mm (0.275")
Stainless Steel Cable
[1.5 m (5') Standard]
U Glass Braid Insulated 20 Gage
Solid Thermocouple Lead
Wire, Stranded Wire Available
as Option
U Grounded Junction
Style 2
Termination
Stainless
Steel Cable
Bayonet Type
Spring Loaded
Heavy Duty Extruder
Probes Bayonet Type.
Solid Junction Design
Pipe Clamp Adaptors
for Bayonet-Type Thermocouples
† Note: Choose
“A” thermocouple
(1.75")
44.5 mm
11.1 mm
Diameter
To measure temperature of pipes without drilling.
Easily installed and removed.
For Pipe
(0.44")
dimension of 21⁄4"
for allbayonet type
thermocouples
used with pipe
clamp adaptors.
Model Diameter
Number (inch)
BTC-1
BTC-2
1
⁄2 to 7⁄8
7
⁄8 to 11⁄2
All Sizes
Material is
Stainless
BTC-3 15⁄16 to 21⁄4
BTC-4 21⁄4 to 35⁄16
BTC-5 35⁄16 to 41⁄4
BTC-6 45⁄16 to 51⁄4
Adaptors for
Bayonet-Type
Thermocouples
Like a compression
fitting, does not seal
Model Length Thread
Number (inch) Size
BTA-1
BTA-2
BTA-3 1
BTA-4 1
BTA-5 2
BTA-6 2
Adaptor material is stainless steel.
Discount Schedule
1–24 Units..............Net 100–249 Units..............10%
25–99 Units............7% 250 and up...Consult Sales
7
⁄8
7
⁄8
3
⁄8
3
⁄8
1
⁄2
1
⁄2
1
⁄8-27 NPT
1
⁄8-27 NPT
1
⁄8-27 NPT
Steel
3
⁄8-24
3
⁄8-24
3
⁄8-24
†
To Order
Cold End
Dimensions* Type Termination Model Number
Straight
J 1 BTH-000-J-
-60-1
J 2 BTH-000-J- -60-2
K 1 BTH-000-K- -60-1
K 2 BTH-000-K- -60-2
T 1 BTH-000 -T- -60-1
T 2 BTH-000 -T- -60-2
A = 57.2 mm (2.25")
E 1 BTH-000-E- -60-1
or 89 mm (3.50")
E 2 BTH-000-E- -60-2
B = 1.5 m (60")
90° Bend
J 1 BTH-090-J-
44.5
J 2 BTH-090-J- -60-2
K 1 BTH-090-K- -60-1
12.7
K 2 BTH-090-K- -60-2
(0.5)
T 1 BTH-090-T- -60-1
A
T 2 BTH-090-T- -60-2
E 1 BTH-090-E- -60-1
E 2 BTH-090-E- -60-2
Note: Insert 21⁄4 or 31⁄2: Standard “A” Dimension in space ( ). Longer lengths
*
available for an additional cost per inch. “B” dimensions at 60". For longer lengths
change 60 to desired length and for an additional cost per foot. For ungrounded,
add suffix “-UNGROUNDED” to model number, for an additional cost.
Ordering Example: BTH-000-J-2 1/4-60-2, straight solid probe bayonet,
two cold end terminations, Type J, 21⁄4 A dimension, 60" armored cable and an
OSTW thermocouple connector.
Drilling
Selection
Table for
Spring Loaded
Bayonet Type
Thermocouples
C
B
(1.75)
41.4
(1.63)
A = 57.2 mm (2.25")
or 89 mm (3.50")
B = 1.5 m (60")
A
6.34 mm
(.25")
6.73 mm
Drill
(.265")
Hole Depth
“C”
mm (inch)**
6 to 13 (
13 to 25 (
25 to 38 (1 to 1
38 to 50 (1
50 to 64 (2 to 2
64 to 76 (2
76 to 89 (3 to 3
89 to 102 (3
102 to 114 (4 to 4
114 to 127 (4
For deeper holes than those listed, add 1⁄2 inch to probe
**
dimension “A” for each
Note: Thermocouples supplied without adaptors.
1
⁄4 to 1⁄2) 41.3 (15⁄8) 50 (2) 79 (31⁄8)
1
⁄2 to 1) 50 (2) 64 (21⁄2) 92 (35⁄8)
1
⁄2 to 2) 76 (3) 89 (31⁄2) 117 (45⁄8)
1
⁄2 to 3) 102 (4) 114 (41⁄2) 143 (55⁄8)
1
⁄2 to 4) 127 (5) 140 (51⁄2) 168 (65⁄8)
1
⁄2 to 5) 150 (6) 165 (61⁄2) 194 (75⁄8)
Probe Length “A” mm (inch)
7
⁄8" Long 13⁄8" Long 21⁄2" Long
Adaptor Adaptor Adaptor
1
⁄2) 64 (21⁄2) 76 (3) 105 (41⁄8)
1
⁄2) 89 (31⁄2) 102 (4) 130 (51⁄8)
1
⁄2) 114 (41⁄2) 127 (5) 156 (61⁄8)
1
⁄2) 140 (51⁄2) 150 (6) 181 (71⁄8)
1
⁄2" of hole depth dimension “C”.
-60-1
A-163
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