MTT24 Multi-point Thermocouple Assembly - With Protecting Tube - With Guide Tube - With Spring Loading Arrangement | Miepl
                     MTT24 MULTI-POINT THERMOCOUPLE ASSEMBLY
(WITH PROTECTING TUBE) (WITH GUIDE TUBE) (WITH SPRING LOADING ARRANGEMENT)
MIEPL  Make MTT24 Multi-Point Thermocouple 
Assembly is used Oil & Gas Plant in Catalytic, 
Crackers,Lime Kilns, distillation and pressurized 
vessels.
STANDARD SPECIFICATIONS
Element : Type R (Pt-13%Rh/Pt)
FEATURES Element type : Element with ceramic insulators
Mineral Insuation. Accuracy
:
Ü Standard to ISA & ANSI MC96.1
No. of sensors : Simplex
Ü Available in all Standard Hot junction : Ungrounded
Sheath Diameters and Sheath 
Wire diameter : 24 AWG (0.511 mm)
material.
Terminal head type : Screwed Type ,Weatherproof, IP-65
Ü Protecting tube size & material Terminal head material : Die-cast Aluminum
will be as per Cable entry : ¾" ET (F), 1 No.
customer'sRequirement.
Head extension type : Head with female threading
Mineral Insuation Enables Support tube material :Ü AISI 446 SS
Flexibility and Durability. Protecting tube material : KER - 710, Recrystallised Alumina
Protecting tube size (OD X ID) : 15 x 10 mm
Ü Enclosures in all Material-Die 
Process connection type : Adjustable connection
cast Aluminium / Cast Iron / 
SS 304 / SS 316. Process connection : ¾" NPT (M)
Process connection mat : ASTM A 105 / Carbon Steel
Ü Enclosures in all Catergories 
Overall length / Exposed lengtherial : 500 mm / 300 mm
(Weatherproof, IP-65 to IP-68, 
:
Flameproof Gr. IIA,IIB,and Extension Length 100 mm
Explosionproof, Gr. IIA, IIB, IIC 
DRAWING
for H₂ service application.)
APPLICATION
Ü These assemblies find 
application in Refinery & 
PetrochemicalPlants Which 
includes catalytic crackers, 
lime kilns, distillation columns 
pressurised reactor Vessels.
REFERENCE
Ü IEC-584.2 / ANSI MC-96.1
ISO 9001 : 2015 www.miepl.com 01
MTT24 MULTI-POINT THERMOCOUPLE ASSEMBLY
ORDERING CODE MTT24   -   k  -  V  -  P  -  G  -  M15  -  ME  -  BZ  -  ML
1. ELEMENT Type K (NiCr-Ni) K
Simplex V
2. NO. OF 
SENSORS
Duplex W
2 RTD
Standard P
3 RTD 3. ACCURACY
Special Q
4 RTD
2 RTD 2
5 RTD
3 RTD 3
6 RTD
4 RTD 4
9 RTD
4. NO OF POINT 5 RTD 5
12 RTD
6 RTD 6
9 RTD 9
12 RTD 12
G
Grounded
4. HOT JUNCTION
U
Ungrounded
1.5mm M15
3.0 mm M30
5. SHEATH 
DIAMETER 4.5 mm M45
6.0 mm M60
Consult factory for other size.
ME
AISI 310 SS
6. SHEATH 
MF
MATERIAL AISI 316 SS
7. ENCLOSURE
    MATERIAL MQ
Inconel 600
WP, IP 65, threaded cover BZ
WP, IP 67, threaded cover BX
Flame proof, IP 67, Gr IIA, IIB BS
7. HEAD 
ENCLOSURE Explosion proof, IP 67, Gr IIC
BT
M30 MB
WP, IP 65, Hinged type BV
M50
WP, IP 65, cover fitted with 2 screws BY
M60
Ex-Proof to CSA,FM,ATEX [EEx-d]Die-cast aluminum BU
M80
8. ENCLOSURE Die-cast aluminum ML
MATERIAL A10
A14
A20
ISO 9001 : 2015 www.miepl.com 02
MILLENNIUM  INSTRUMENTS  LIMITED
Tel : +91- 11- 220 143 25 / 27, Email : [email protected] 
MTT24 MULTI-POINT THERMOCOUPLE ASSEMBLY
ORDERING CODE CO -  M6  -  U1  -  MB  - FC  -  SB
¾" ET (F), 1 No. C0
½" NPT (F), 1 No C1
¾" NPT (F), 1 No. C3
9. CABLE ENTRY ¾" ET (F), 2 Nos. C5
½" NPT (F), 2 Nos. C6
¾" NPT (F), 2 Nos. C9
AISI 316 SS MF
AISI 316L SS MG
10. PROTECTION 
TUBE MATERIAL
AISI 446 SS ME
Inconel 600 MQ
U1
Tube Ø10 x 1.5 mm THK
U2
Tube Ø12 x 1.5 mm THK
U3
Pipe 3/8" Sch 40
U4
11. PROTECTION Pipe 3/8" Sch 80
TUBE
U5
Pipe ½" Sch 40
U6
Pipe ½" Sch 80
U7
Pipe ¾" Sch 40
U8  
Pipe ¾" Sch 80
ASTM A 105 (CS) MB
12. FLANGE 
MATERIAL A 182 F316 MF
Consult factory for other material
13. FLANGE TYPE/ 
SIZE Fixed connection
FC
14. IMMERSION 
LENGTH (IL) 50 mm up to 5,000 mm XXXX
15. EXTENSION 
LENGTH (TL) 50 mm up to 250 mm XXX
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
16. 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   MTT24 - K -  V - P - G - M15  - ME - BZ  - ML - CO - M6 - U1 - MB - FC - SB
1. When selecting option "SB", Please also specify measuring tempeature range.(e.g.o/300◦c).
www.miepl.com 03
MILLENNIUM  INSTRUMENTS  LIMITED
Tel : +91- 11- 220 143 25 / 27, Email : [email protected]