Connection diagram

3-wire

Tolerance class АА, А, В, С

4-wire

Vibration resistance GOST R 52931

group V3

Nominal (rated)
pressure

6.3 MPa

105 modification

1,0 МПаif equipped with UNKJ 031 fitting
6,3 МПаif equipped with UNKJ 041 fitting

106, 206 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 products with unified output signal

Calibration

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

Response time

does not exceed 8 seconds

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

Group of    
operating  
conditions

Tolerance
class

Application
temperature, °С

Calibration
interval

Mean lifetime

PRTD

4.5 or 6

S10

II

AA

-50…+150

2 years

4 years

III

-50…+250

1 year

2 years

I

A, B, С

-50…+300

5 years

10 years

II

-50…+450

2 years

4 years

III

В, С

-50…+600

1 years

2 years

PRTD

Exi

105

—

А

21

—

Pt100

—

В

3

Н10

—

S10

—

8

—

L

/

l

G1/2

1

2

3

4

5

6

7

8

9

10

11

12

13

14

NN

Name

Code

Description

1

Sensor type

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

105, 106, 206

see drafts

4

Wire terminal head

0

Free electrode ends 50mm

IP65

0ExiaIICT6Х or general purpose

2

miniature plug

IP40

general purpose

4

standard plug

IP40

general purpose

Cable gland

0

standard cable gland of terminal head

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

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"
pages 1-10, 1-15)

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

0ExiaIICT6 or
general purpose

005 (for 106)

terminal block

IP00

general purpose

50

(for 206)

silicon / shield / silicon

IP65

0ExiaIICT6 X
or
general purpose

60

PTFE / shield / PTFE

IP65

70

glass filament / glass filament / outer armour

IP40

80

PTFE / shield / PTFE in metal hose

IP65

6

Type of TC

Pt100, Pt500, Pt1000

NSC according to GOST 6651-2009

7

Tolerance class

АА, А, В, С

Tolerance class according to GOST 6651-2009

8

Connection diagram

3, 4

3- and 4-wire connection diagram

9

Output signal, measuring transmitter accuracy designation - see table 3 at page 6-3

Not filled

analogous signal (Ohm) according to NSC

T25; T25

For terminal
head ≥14

4-20 mА

for AA3 and A3

Only for
modifications:
105 and 106.

T40

for A3

T70

for B3

H10

4-20 mА +HART

for А4, В4, А3, В3

individual
sensor graduation

H25, H25

for АА4, А4, АА3, А3

H70

for В3, В4

10

Cable sheath
material

S321

AISI 321 (tip material - steel 12Cr18Ni10Т)

S316

AISI 316 (tip material - steel 10Cr17Ni13M2Т)

11

Outer diameter

4.5 or 6

dimensions in mm

12

Probe length, L

50÷3150

probe length L to the working end, mm, can be longer than 3150 mm

13

Extension
neck length ℓ

Not filled

if equal to 120 mm or there are no mounting elements

If terminal head is selected

30÷500

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

Extension wire length ℓ

100÷30,000

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

If wire
is selected

14

Fitting standard size

Not filled

if  threaded fitting M20x1.5 or no fitting is used

PRTD Exi 105–A21 – Pt100 – А4Н10 – S10 – 4.5 – 250/100

Product type

PRTD

Platinum resistance temperature detector

Explosion protection

Exi

0ExiaIICT6 X

Modification

105

with thrust ring

Cable gland

А

for H3ZC DN15

Wring (terminal head code)

21

IP66

Type of TC

Pt100

tolerance class and connection diagram

А4

Class А, diagram 4-wire

Output signal (accuracy class)

Н10

4-20mА+HART

Sheath material

S10

steel 12Cr18Ni10T

Working end diameter

4.5

mm

Probe length L

250

mm

Extension neck length ℓ

100

mm