Hot junction

one or two

Ungrounded

Vibration resistance GOST R 52931

group N2

Nominal (rated) pressure

4 MPa

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 products with 4-20mА signal

Calibration

- 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.

Response time τ 0,63

90 seconds

01.32

120 seconds

01.31

Group of operating conditions

Probability of
failure-free operation

Specified lifetime

Mean
lifetime

Guarantee
conditions

III

0.95 for 8 000 hours

1 year

2 years

1 year

IV

Not rated

Not rated

Not rated

Not rated

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;

CT type

Thermowell material

Group of operating conditions

Application
temperature, ºС

Calibration interval

Mean lifetime

CTK

Т45

III

-40…+1100

1 year

2 years

CTN

Т45

IV

-200…+1250

Not rated

Not rated

CTK

Exi

01.31

—

0

21

—

c1

—

U

—

Т45

—

30

—

L

—

997

1

2

3

4

5

6

7

8

9

10

11

12

14

NN

Name

Code

Description

1

Sensor type

CTK, CTN

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

01.31, 01.32

4

Cable gland

0

standard cable gland of terminal head

А-Z

Special cable gland (see table 3 page 1-13)

5

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

15; 16

aluminium head

IP66/IP68

1ExdIICT6 / 0ExiaIICT6 X

20; 22

aluminium head

IP65

general purpose

21; 23; 24; 25; 26; 28;

aluminium head

IP66

0ExiaIICT6 Х or general purpose

6

Tolerance class

c1;  c2

For further details see table 5 page 2-9

7

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

Not filled

analogous signal according to NSC

Т40

4-20 mА

for c0

Т50;  Т70

for c1

Т80;  Т100

for c2

H25

4-20 mА +HART

Individual sensor calibration (c1)

H40

for c0

H50

for c1

H80

for c2

8

Sensor hot junction design

G

grounded junction, general purpose

U

ungrounded junction

9

Number of wire couples

Not filled

1 wire couple

2

2 wire couples

10

Reinforcement material

Т45

alloy CrNi45U

11

Outer diameter

17

mm for 01.32

30

mm for 01.31

12

Probe length

800÷1300

probe length L to the working end, mm

13

Modification number

994

flange

"tongue"

74 / 84 / 114 / 156

01.31

995

"male"

84 / 114 / 156

996

"male"

72 / 125 / 165

997

"male"

87 / 135 / 175

998

"male"

100 / 125 / 160

999

"male"

75 / 125 / 160

993

fitting

thread M20x1.5

01.32