Connection diagram

2-wire

tolerance class В, С (see item 9 at page 6-5)

3-wire

tolerance class АА, А, В, С

4-wire

Vibration resistance GOST R 52931

group V3

Nominal (rated)
pressure

6.3 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 unified output signal

Calibration

- GOST 8. 461-2009 without measuring transmitters;
- MP RT 2026-2013 – for sensors with installed measuring transmitters.

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 (6 years)*

2 years

III

0.95 for 8 000 hours

1 year

2 years

1 year

Nominal
designation

Measurement
accuracy
limits

Output
signal

Nominal
designation**

Measurement
accuracy
limits

4-20mА

AA3T25; А3T25

0,25 % · tn  or 0,5 °С

4-20mА
+
HART

AAxH25, AxH25

0,25 % · tn or 0,3 °С

B3T70

0,7 % · tn  or 1,0 °С

AxH10, BxH10

0,1 % · tn or 0,15 °С

A3T40

0,4 % · tn  or 0,5 °С

BxH70

0,7 % · tn or 1,0 °С

TC type

Thermowell diameter, mm

Thermowell material

Modification

Group of    
operating  
conditions

Tolerance
class

Application
temperature,°С

Cal. int.

Mean lifetime

CRTD

10, 8, 6

S10

201, 202

II

A

– 50…+120

2 years

4 years

10

S13

B, C

– 50…+200

PRTD

10, 8, 6

S10

201Н,202Н

I

A, B, С

– 50…+200

5 years

10 years

II

AA

– 50…+150

2 years

4 years

III

– 50…+250

1 year

2 years

201К, 202К,

II

A, B, С

– 196…+200

2 years

4 years

10

S13

201, 202

I

– 50…+300

5 years

10 years

II

– 50…450

2 years

4 years

III

В, С

– 50…600

1 years

2 years

d = 6; 8

d = 10

16

20

PRTD

Exi

201

G

—

А

21

—

2х

P100

—

В

3

Н10

—

S10

—

8

—

L

/

l

G1/2

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

NN

Name

Code

Description

1

Sensor type

CRTD

Copper resistance temperature detector

PRTD

Platinum resistance temperature detector

2

Explosion protection

Not filled

general purpose electrical equipment

Exi

0ExiaIICT6 X, intrinsically safe circuit

Exd

1ExdIICT6, explosion-proof enclosure

3

Modification

201, 202

see drafts and operating temperature

4

Version (see "operating temperature" table)

Not filled

Standard version from -50 to +600°С

К

Cryogenic version from -200 to +200°С

G

Low-temperature version from -50 to +200°С

5

Wire terminal head

0

Free electrode ends

50, 60 Modification wires

2

miniature plug

4

standard plug

Cable gland

0

standard cable gland

Terminal heads

А

for unarmoured cable in metal hose RZCH-15

Terminal heads ≥ 14

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

6

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

10

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

0ExiaIICT6 Х or general purpose

27

stainless steel

IP66

0ExiaIICT6Х or general purpose

50

silicon / shield / silicon

IP65

0ExiaIICT6 or general purpose

60

PTFE / shield / PTFE

7

Number of SE

Not filled

one sensitive element

2хPt100

two sensitive elements

8

Type of TC

50М, 100М, 50P, 100P, Pt100, Pt500, Pt1000

NSC according to GOST 6651-2009

9

Tolerance class

АА, А, В, С

Tolerance class according to GOST 6651-2009

10

Connection diagram

3, 4

3- and 4-wire connection diagram

for АА, А class

2, 3, 4

2-, 3-, and 4-wire connection diagram

for В, С class

11

Output signal, transmitter accuracy symbol, 
see table 3, page 6-3

Not filled

analogous signal (Ohm) according to NSC

T25; T25

For terminal
head ≥14

4-20 mА

for AA3 and A3

T40

for A3

T70

for B3

H10, H10

4-20 mА +HART

for А4, В4, А3, В3

individual
sensor graduation

H25, H25

for АА4, А4, АА3, А3

H70

for В3, В4

12

Outer cable
sheath material

S10

steel 12Cr18Ni10T

S13

steel 10Cr17Ni3M2T

13

Outer diameter

6, 8

size (mm) on Customer's choice.

S10

10

S10, S13

14

Probe length, L

50÷3150

probe length L to the working end, mm

15

Extension neck length ℓ

Not filled

if there is no extension

If terminal head is selected

30÷500

specify size (mm) if there is an extension

Extension wire length ℓ

100÷30,000

specify dimensions in mm 500, 1000, 2000 3150 and more

If wire
is selected

16

Fitting standard size

Not filled

if  threaded fitting M20x1.5 is used

Specify thread size

in other cases

PRTD Exi 201–A21 – Pt100 – А4Н10 – S10 – 8 – 250/100

Product type

PRTD

Platinum resistance temperature detector

Explosion protection

Exi

0ExiaIICT6 X

Modification

101

with welded fitting

Cable gland

А

for H3ZC DN15

Wring (terminal head code)

21

IP66

Type of TC

Pt100

Tolerance class

А

class A

Connection diagram

4

4-wire

Output signal (accuracy class)

Н10

4-20mА+HART

Sheath material

S10

steel 12Cr18Ni10T

Working end diameter

8

mm

Probe length L

250

mm

Extension neck length ℓ

100

mm

PRTD Exi 201-028–Pt100-В3Н70 – S13 - 10 – 800

Product type

PRTD

Platinum resistance temperature detector

Explosion protection

Exi

0ExiaIICT6 X

Modification

201

without extension

Cable gland

0

standard

Wring (terminal head code)

28

IP66

Type of TC

Pt100

tolerance class and connection diagram

В3

Class B, 3 wire diagram

Output signal (accuracy class)

Н70

4-20mА+HART

Sheath material

S13

steel 10Cr17Ni3M2T

Working end diameter

10

mm

Probe length L

800

mm

without extension

―

PRTD 201Н-010–100P-В3 – S10 - 8 – 10/120

Product type

PRTD

Platinum resistance temperature detector

Explosion protection

general purpose

Modification

101Н

low-temperature

Cable gland

―

standard

Wring (terminal head code)

10

IP55

Type of TC

100P

Tolerance class

В

class B

Connection diagram

3

3-wire

Output signal (accuracy class)

―

analogous

Sheath material

S10

steel 12Cr18Ni10T

Working end diameter

8

mm

Probe length L

100

mm

Extension neck length ℓ

120

120 mm

PRTD 201К-020–100P-В3 – S10 - 8 – 150/120

Product type

PRTD

Platinum resistance temperature detector

Explosion protection

―

general purpose

Modification

101К

cryogenic

Cable gland

―

standard

Wring (terminal head code)

20

IP65

Type of TC

100P

Tolerance class

В

class B

Connection diagram

3

3-wire

Output signal (accuracy class)

―

analogous

Sheath material

S10

steel 12Cr18Ni10T

Working end diameter

8

mm

Probe length L

150

mm

Extension neck length ℓ

120

120 mm