MTT15 Protection Tube Thermocouple Assembly - Weldpad Mounting | Miepl
                     MTT15 PROTECTION TUBE THERMOCOUPLE ASSEMBLY 
Weldpad Mounting
MIEPL  Make  MTT15  Pro tec t i on  Tube  o f 
Thermocouple have a ceramic material. 
This type of Thermocouple are used in high 
temperature & corrosive area.
STANDARD SPECIFICATIONS
Element : Type R (Pt-13%Rh/Pt)
FEATURES Element type : Element with ceramic insulators
:
Ü KER710 Material Accuracy Standard to ISA & ANSI MC96.1
No. of sensors : Simplex
Ü Ceramic Insulator
Hot junction : Ungrounded
Ü Exchangeable insert Wire diameter : 24 AWG (0.511 mm)
Transmitter mountable Terminal head type
:
Ü Screwed Type ,Weatherproof, IP-65
Terminal head material : Die-cast Aluminum
Ü Adjustable / Fixed connection
Cable entry : ¾" ET (F), 1 No.
Ü Single / Double protecting tube Head extension type : Head with female threading
Support tube material : AISI 446 SS
APPLICATION Protecting tube material : KER - 710, Recrystallised Alumina
Protecting tube size (OD X ID) : 15 x 10 mm
Ü   Reactors
Process connection type : Adjustable connection
Ü   Glass Industries Process connection : ¾" NPT (M)
Process connection mat : ASTM A 105 / Carbon Steel
Ü   Oil & gas application
Overall length / Exposed lengtherial : 500 mm / 300 mm
Extension Length : 100 mm
Ü   Sulfur recovery plants
DRAWING
Ü   Steel & Power Industries  
Terminal Head
Ü   Furnaces, Kilns & Ovens
Overall Length
Extension Insertion Length
Length
Exposed Length
X7
ProtectionTube
Process Support Tube
Connection X6
Cable Entry
REFERENCE
Ü IEC-584.2 / ANSI MC-96.1
BX BZ BV BY BU BX BS BT
Single cable entry enclosures Dual cable entry enclosures
ISO 9001 : 2015 www.miepl.com 01
MTT15 PROTECTION TUBE THERMOCOUPLE ASSEMBLY 
ORDERING CODE MTT15   -   k  - X7 -  P  -  V  -  U - MQ - M60 - A24 - BZ
Type K (NiCr-Ni) K
Type N (NiCrSi-NiSi) N
1. ELEMENT Type R (Pt-13%Rh/Pt) R
Type S (Pt-10%Rh/Pt) S
Type B (Pt/30%Rh-Pt/6%Rh) B
Mineral insulated X6
2. ELEMENT TYPE
Element with ceramic insulator X7
Standard P
3. . ACCURACY
Special Q
Simplex V
4  . NO. OF 
X
SENSORS Triplex
Duplex W
Ungrounded U
5. HOT JUNCTION
Grounded G
6. SHEATH 
Inconel 600 MQ
MATERIAL
3.0 mm M30
5.0 mm M50
7. SHEATH 6.0 mm M60
DIAMETER (For 
X6) 8.0 mm M80
10.0 mm M10
12.0 mm M12
7. ENCLOSURE
    MATERIAL
24 AWG (0.511 mm) A24
8. SHEATH 25 AWG (0.455 mm) A25
DIAMETER (For 
X7) 26 AWG (0.404 mm) A26
27 AWG (0.361 mm) A27
WP, IP 65, threaded cover BZ
MB
WP, IP 67, threaded cover BX
Flame proof, IP 67, Gr IIA, IIB BS
9. HEAD 
Explosion proof, IP 67, Gr IIC BT
ENCLSURE
WP, IP 65, Hinged type BV
WP, IP 65, cover fitted with 2 screws BY
Ex-Proof to CSA,FM,ATEX [EEx-d] BU
ISO 9001 : 2015 www.miepl.com 02
MILLENNIUM  INSTRUMENTS  LIMITED
Tel : +91- 11- 220 143 25 / 27, Email : [email protected] 
MTT15 PROTECTION TUBE THERMOCOUPLE ASSEMBLY 
ORDERING CODE
ML  -  CO  -   M6  - P7 
Die-cast aluminum ML 
10. ENCLOSURE AISI 304 SS MC
MATERIAL
 AISI 316 SS MF
¾" ET (F), 1 No. C0
½" NPT (F), 1 No. C1
M20 x 1.5mm (F), 1 No. C2
¾" NPT (F), 1 No. C3
11. CABLE ENTRY
¾" ET (F), 2 Nos. C5
½" NPT (F), 2 Nos. C6
M20 x 1.5mm (F), 2 Nos. C8
¾" NPT (F), 2 Nos. C9
AISI 316 SS MF
AISI 316L SS MG
12. SUPPORT 
TUBE MATERIAL
AISI 310 SS ME
Inconel 600 MQ
AISI 446 SS M6
13. INNER KER - 610, Pythogoras P6
PROTECTION 
TUBE MATERIAL KER - 710, Recrystallised Alumina P7
Ø6 X 1.0 mm thk T06
14. INNER Ø8 X 1.5 mm thk T08
PROTECTION 
TUBE SIZE
Ø10 X 2.0 mm thk T10
Ø12 X 2.0 mm thk T12
KER - 610, Pythogoras P6
KER - 710, Recrystallised Alumina P7
Kanthal AF P3
Kanthal APM
15. OUTER P4
PROTECTION TUBE 
MATERIAL Inconel 600 MQ
Silicon Carbide Sic
Silicon Nitride Sin
Cast Iron (Barstock) MM
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MILLENNIUM  INSTRUMENTS  LIMITED
Tel : +91- 11- 220 143 25 / 27, Email : [email protected] 
MTT15 PROTECTION TUBE THERMOCOUPLE ASSEMBLY 
ORDERING CODE  T50 - AC - 5NM - MB
Ø6 X 1.0 mm thk T06
Ø8 X 1.5 mm thk T08
 Ø10 X 2.0 mm thk T10
16. OUTER 
PROTECTION Ø12 X 2.0 mm thk T12
TUBE SIZE
Ø15 X 2.5 mm thk T50
Ø20 X 2.5 mm thk T20
Ø24 X 3.0 mm thk T24
½" NPT (M) 17. PROCESS Adjustable connection AC XXXXX
CONNECTION 
½" BSP (M) TYPE Fixed connection FC
¾" NPT (M) ½" NPT (M) 4NM
¾" BSP (M) ½" BSP (M) 4BM
1" NPT (M) ¾" NPT (M) 5NM
2" NPT (M) ¾" BSP (M) 5BM
18. PROCESS 
CONNECTION
1" BSP (M) 1" NPT (M) 6NM
2" BSP (M) 2" NPT (M) 8NM
1" BSP (M) 6BM
2" BSP (M) 8BM
MB
19. PROCESS ASTM A 105 / Carbon Steel
CONNECTION 
MATERIAL MF
AISI 316 SS
20. OVERALL / 
EXPOSED 50 mm up to 2,000 mm XXXX/XXXX
21. INSERTION / 50 mm up to 2,000 mm XXXX/XXXX
EXPOSED 
22. EXTENSION 50 mm up to 250 mm XXX
LENGTH (XL)
Calibration Certificate SB SC, cable gland, AISI 316 SS WP JH
Tag plate, AISI 304 SS WF DC, cable gland, AISI 316 SS WP JI
SC, cable gland, Ni-brass WP JD SC, cable gland, AISI 316 SS FP JN
DC, cable gland, Ni-brass WP JE DC, cable gland, AISI 316 SS FP JO
SC, cable gland, Ni-brass FP JJ Plug fitting for CE, AISI 304 SS JB
23. OTHER 
OPTIONS DC, cable gland, Ni-brass FP JK Plug fitting for CE, AISI 316 SS JC
SC, cable gland, AISI 304 SS WP JF Plug fitting for CE, Aluminum JU
DC, cable gland, AISI 304 SS WP JG SS base plate for transmitter JS
SC, cable gland, AISI 304 SS FP JL Head mount transmitter JT
DC, cable gland, AISI 304 SS FP JM
Ordering Example   MTT15 - K -  X7 - P - V - U - MQ - M60 - A24 - BZ - ML - CO - M6 - P7 - T50 - AC - 5NM - MB
1. Other sheath diameters, connections are available, please contact factory for details..
2. WP = Weatherproof, FP = Flame proof, SC = Single Compression, DC = Double Compression, CE = Cable Entry
3. Transmitter output shall be 4…20 mA as standard, any other output required, please contact factory for details.
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MILLENNIUM  INSTRUMENTS  LIMITED
Tel : +91- 11- 220 143 25 / 27, Email : [email protected]