01.05

These sensors are designed for temperature measurement in liquid and gaseous non-corrosive media, and also corrosive media that do not damage protective cover material. Sensors are recommended to be used together with UNKJ thermowell. It is possible to use without thermowell if there is no aggressive chemical and/or mechanical influence.
It is recommended to insert 01.05 sensor in thermowell using UNKJ031 or UNKJ 038 fittings (see section "UNKJ units and components") to minimize thermal reaction between sensor and thermowell.
01.05 and 01.07 modifications are assembled. Replaceable sensitive elements are modifications CTxx 01.02-005...
21.05, 21.07 sensors are recommended if precision temperature measurement is required. Such precision is achieved due to periodic calibration or verification. Are analogous to 01.05 and 01.07 modifications correspondingly.
21.xx temperature sensor has an additional channel for control or reference thermocouple installation next to temperature-sensing element inside thermowell. Such construction allows to calibrate temperature-sensing element without thermocouple dismantling according to MI 3091--2007 (see pages 2-16). CETN 01 or CETN 02 are used as reference thermocouples (see section 8).
CTxx 21.XX thermocouple design is proved by patent for invention No. 2299408.
Sensors can be of explosion protection type 0ExiaIICT6 X or 1ExdIICT6 according to GOST 30852.10-2002. For further details see "Alternative designs ans Ordering information" below (except for 21.05, 21.07 modifications).
Terminal heads can be equipped with transmitters with 4-20 mА DC output signal and/or digital signal via HART, PROFIBUS-PA, FOUNDATION Fieldbus protocol. It is recommended to use heads of 16, 23, 28 modifications for easy wire connection to transmitters. Terminal head can be equipped with standard or special-purpose cable gland. For further details see "Alternative designs & Ordering information" below.

Technical characteristics

Hot junction

one

Ungrounded or Grounded

two

Vibration resistance GOST R 52931

V3 group, for 01.10C modification -- F3

Nominal (rated)
pressure

6.3 MPa

01.03, 01.26 modifications

0.1 MPa

01.04, 01.34 modifications

Seismic resistance MSK-64

grade 9 for unit installation up to 70 m above zero mark

Climatic category GOST 15150

UHL2Ambient temperature:

-60..+120ºС for general purpose products

-60..+85 ºС for Ex version with analogous signal

-55..+85ºС for produts with 4-20мА/HART signal

Calibration

- MI 3090-2007 – for sensor fitting length 20 - 250 mm, without measuring transmitters;
- GOST 8.338-2001 – for sensor fitting length larger than 250 mm, without measuring transmitters;
- MP RT 2026-2013 – for sensors with installed measuring transmitters.

Reliability indicators

Group of operating 
conditions

Probability of
failure-free operation

Specified lifetime

Mean
lifetime

Guarantee
conditions

I

0.95 for 40 000 hours

5 years

10 years

5 years

II

0.95 for 16 000 hours

2 years

4 years

2 years

III

0.95 for 8 000 hours

1 year

2 years

1 year

IV

Not rated

Not rated

Not rated

Not rated

Error limits

Measurement accuracy of sensors with 4-20 mА DC signal and/or digital signal via HART protocol are given taking into account accuracies of thermocouple itself, transmitter and transmitter's cold junction compensation.


Output signal

Symbol

Measurement accuracy

Output
signal

Symbol

Measurement accuracy

4-20mА

c0Т40

±0,4% ∙tn* or ±1,5°С

4-20mА+HART

c1N25

±0,25%∙ tn or ±0,9°С;

c1Т50

±0,5%∙ tn or ±2,0°С

c0N40

±0,4%∙ tn or ±1,2°С;

c2Т80

±0,8%∙ tn or ±2,5°С;

c1N50

±0,5%∙ tn or ±1,7°С;

 

 

c2N80

±0,8%∙ tn or ±2,5°С;

* - tn sensor adjustment range should be multiplied by specified value in %. Select higher value.

Temperature range

CT type

Thermowell diameter

Thermowell material

Group of operating conditions

Application
temperature, ºС

Calibration
interval

Mean lifetime

CTN, CTK

8; 10

S10

I

-40…+600

5 years

10 years

II

-200…+800

2 years

4 years

CTK

10

S13

I

-40…+600

5 years

10 years

II

-200…+900

2 years

4 years

CTN

10

S13

I

-40…+800

5 years

10 years

II

-200…+900

2 years

4 years

CTK

10

T18, Т45

I

-40…+600

5 years

10 years

II

-200…+900

2 years

4 years

III

-200…+1000

1 year

2 years

CTN

10

T18, Т45

I

-40…+600

5 years

10 years

II

-200…+1000

2 years

4 years

CTN, CTK

10

Т45

IV

- 200…+ 1250

Not rated

CTL

8 (only S10); 10

S10, S13

I

-40…+600

5 years

10 years

II

-100…+800

2 years

4 years

CTJ

8 (only S10); 10

S10, S13

II

-40…+760

2 years

4 years

Response time τ 0,63:


Hot junction

Sensor response time depending on diameter, s

assembled modifications:
01.05, 01.07, 21.05, 21.07

fast-response modifications:
01.09, 01.10, 01.10С, 01.26

d = 8

d = 10

d = 8

d = 10

Insulated from sheath

12

20

10

12

Uninsulated from sheath

8

30

6

8

Execution options

CTK

 

Exi

01.10

А

21

c1

H50

U

 

S10

8

L

/

l

 

 

1

 

2

3

 

4

5

 

6

7

 

8

9

 

10

 

11

 

12

 

13

 

14

 

NN

Name

Code

Description

1

Sensor type

CTK, CTL, CTN, CTJ, CTM

Mineral insulated cable thermocouple with type according to IEC 60584 and ASTM E230

2

Explosion protection

Not filled

general purpose electrical equipment

Exi

0ExiaIICT6 X, intrinsically safe circuit

Exd

1ExdIICT6, explosion-proof enclosure

3

Modification

01.05, 21.05, 01.09

without mounting elements, with replaceable sensitive element

01.07, 21.07

with moveable fitting, with replaceable sensitive element

01.26

fast-response with welded fitting

01.10, 01.10С

fast-response with moveable fitting

4

Cable gland

0

standard cable gland

Not permitted for 1ExdIICT6

А

for unarmoured cable in metal hose RZCH-15

В

for unarmoured cable in metal hose MRPI-15

C

for unarmoured cable in metal hose DN18

D

for unarmoured cable in metal hose DN20

E

for unarmoured cable in metal hose DN12

F

for pipe assembly, М20х1,5 internal thread

G

for pipe assembly, output external thread G1/2

H

for unarmoured cable, 6.5 - 14 mm diameter

I

for unarmoured cable, 3.2 - 8.7 mm diameter

J

for cable with internal/external sheath diameter: 6,1-11,7/9,5-15,9, single-line wire armoured cable

К

for cable with internal/external sheath diameter: 3,1-8.7/6,1-11,5, all armour types

L

for cable with internal/external sheath diameter: 6,5-14/12,5-20,9, all armour types

5

Sensor terminal
head (see "Alternative designs" table, pages 1-10)

10; 13

plastic head

IP55

general purpose

15; 16;17; 18; 19

aluminium head

IP66/IP68

1ExdIICT6 / 0ExiaIICT6 X

20; 22

aluminium head

IP65

general purpose

14; 21; 23; 24; 25; 26; 28; 29

aluminium head

IP66

0ExiaIICT6Х or general purpose

27

stainless steel

IP66

0ExiaIICT6Х or general purpose

6

Tolerance class

c0;   c1;   c2

For further details see table 5 page 2-9

7

Output signal, transmitter accuracy symbol, see table 5 at
page 2-10

Not filled

analogous signal according to NSC

Т40

For terminal heads >14

4-20 mА

for c0

Т50;  Т70

for c1

Т80;  Т100

for c2

N25

4-20 mА +HART

Individual sensor calibration (c1)

H40

for c0

H50

for c1

H80

for c2

8

Hot junction design

G

grounded

general purpose

U

ungrounded junction,

1ExdIICT6 / 0ExiaIICT6 X / general purpose

9

Number of wire couple

Not filled

1 wire couple

2

2 wire couples (2 junctions)

10

Reinforcement material

S10

steel 12Cr18Ni10T

S13

steel 10Cr17Ni3M2T

T18

steel 10Cr23Ni18

Т45

alloy CrNi45U

11

Outer diameter

8;  10

size (mm) on Customer's choice

12

Probe length

50÷3150

probe length L to the working end, mm

13

Extension neck length l

Not filled

if equal to 120 mm or there are no mounting elements

30÷500

specify dimension in mm, oif 120 mm doesn't fit

14

Standard size
of fitting

Not filled

if  threaded fitting M20x1.5 or no fitting is used

Specify thread size

in other cases

Examples of product designation

CTN 01.05-028 – c0Т40 - U – S13 - 10 - 800

Product type

CT

cable thermocouple

Type of TC

N

nicrosil-nisil

Explosion protection

 

Modification

01.05

without mounting elements

Cable gland

0

standard

Wring (terminal head code)

20

IP65

Tolerance class

c0

zero class

Output signal (accuracy class)

Т40

4-20 mА

Junction type, number of pairs

U

one, ungrounded

Sheath material

S13

steel 10Cr17Ni3M2T

Working end diameter

10

mm

Probe length

800

mm

Extension neck length