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Temp Sensor Assemblies w/ Thermowells, 316 SS Sheath, Various Heads
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Series-TConfiguration

Temp Sensor Assemblies w/ Thermowells, 316 SS Sheath, Various Heads

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Series-T

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Series-TData Sheet

Data Sheet
Temp Sensor Assemblies w/ Thermowells, 316 SS Sheath, Various Heads Series-T Series-T
Product Overview
  • Series ID Series-T

Supported Applications

The Dwyer Series T Temperature Sensor Assemblies with Thermowells are designed for temperature measurement in industrial processes. The series provides a configurable solution where the sensor sheath is constructed of 316 SS regardless of the specified thermowell material. All elements within the assembly are spring-loaded to ensure positive contact inside the thermowell, and the thermowells are described as non-lagging.

Operating Conditions & Performance

The Series T documentation does not specify explicit measurement ranges, accuracy classes, response times, or operating temperature limits. The sensor sheath material is fixed at 316 SS for all configurations. Thermowell materials vary by selection and include options such as 304 SS, 316 SS, Brass, Carbon steel, or None (for replacement sensors). No pressure ratings, burst pressures, enclosure ratings, or environmental limits are provided in the source data.

Configuration Options

The series supports a wide range of configurations defined by an alphanumeric model number guide: T - <SENSOR TYPE> - <WELL MATERIAL> - <TAPER/BORE> - <EXTENSION> - <ELEMENTS> - <HEAD> - <PROCESS CONNECTION>. Available options include:

Sensor Types

  • Thermocouples: J, K, E, T
  • RTDs (100 Ω): 6 (3-wire 0.00385 Ω/°C), 4 (3-wire 0.00392 Ω/°C)
  • RTD (1000 Ω): Z (3-wire 0.00385 Ω/°C)

Thermowell Materials

  • Code 0: None
  • Code 1: 304 SS
  • Code 2: 316 SS
  • Code 3: Brass
  • Code 4: Carbon steel

Taper/Bore Configurations

  • 0: None
  • 1: Step/0.260
  • 2: Straight/0.385
  • 3: Taper/0.260
  • 4: Taper/0.385
  • 5: Straight/0.260

Extensions

  • 1, 4, 7: Steel with 1/2 NPT (1 in hex, 4 in nipple, or 4 in union)
  • K, N, S: 316 SS with 1/2 NPT (1 in hex, 4 in nipple, or 4 in union)

Element Configurations

  • 1: Single (ungrounded for RTD)
  • 2: Dual (ungrounded for RTD)
  • 3: Single (grounded)
  • 4: Dual (grounded)

Housing Heads

  • 0, 1: Aluminum screw or snap cover
  • 2, 3: Polypropylene snap or screw cover
  • 5: 304 SS screw cover

Process Connections (Nominal/Reduced O.D.)

  • 1: 1/2" NPT (5/8" to 1/2" step)
  • 4: 3/4" NPT (3/4" to 1/2" step)
  • 6: 1" NPT (7/8" to 1/2" step)
  • 7, 9: 3/4" NPT tapers (7/8" to 5/8" or 49/64")
  • 8, A: 1" NPT tapers (1-1/16" to 5/8" or 49/64")
  • B: 1/2" NPT (5/8" straight)
  • E: 3/4" NPT (3/4" straight)
  • D: 1" NPT (7/8" straight)
  • 0: None* (*For replacement sensors, specify '0' for well material, taper/bore, and process connections.)

Key Product Differences

Variations within the Series T are distinguished by sensor type (Thermocouple vs. RTD), thermowell construction material, bore geometry (step, straight, or tapered), extension length and material (Steel vs. 316 SS), element grounding status, head cover style/material, and process connection size/geometry. The model number guide explicitly defines these distinctions through specific codes for each position in the part number.

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EXAMPLE T J 1 1 A 1 0 1 06 Series TJ11A-101-06 J Thermocouple, 304 SST sheath, 304 SST 1/2" male NPT 1" hex, single element, aluminum screw cover.
SENSOR   J
K
T
E
4
6
Z		               J Thermocouple
K Thermocouple
T Thermocouple
E Thermocouple
NIST 100 RTD
DIN 100 RTD
DIN 1000 RTD
HARDWARE     1
2
3		             304 SST Sheath
316 SST Sheath
Brass
TAPER & BORE       1
2
3
4
5		           Step/0.260
Straight/0.390
Taper/0.260
Taper/0.390
Straight/0.260
EXTENSION TYPE *         1
4
7
A
D
G
K
N
S		         Steel 1/2" Male NPT 1" Hex
Steel 1/2" Male NPT 4" Nipple
Steel 1/2" Male NPT 4" Union
304 SST 1/2" Male NPT 1" Hex
304 SST 1/2" Male NPT 4" Nipple
304 SST 1/2" Male NPT 4" Union
316 SST 1/2" Male NPT 1" Hex
316 SST 1/2" Male NPT 4" Nipple
316 SST 1/2" Male NPT 4" Union
ELEMENTS           1
2		       Single
Dual
HEAD TYPE             0
1
2
3
4
5		     Aluminum Screw Cover
Snap Cover
Polypropylene Snap Cover
Polypropylene Screw Cover
Explosion-proof
304 SST Weatherproof
SHEATH O.D. BASE/
TAPER		               1
4
6
7
8
9
A
B
D
E		   5/8" / 1/2"
3/4" / 1/2"
7/8" / 1/2"
7/8" / 5/8"
1-1/16" / 5/8"
7/8" / 49/64"
1-1/16" / 49/64"
5/8" Straight
7/8" Straight
3/4" Straight
THERMOWELL LENGTH                 04
06
09
12
15
18
24		 4"
6"
9"
12"
15"
18"
24"
                    
*THE 1/2 MNPT IS A MALE CONNECTION THAT MATES WITH THE INTERNAL 1/2 NPT THREAD OF THE WELL.
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