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Thermophil INFRA

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					Data Sheet
Thermophil ® INFRA R20/R21/R22

•   Contactless measuring of
    temperature for general
    application.

•   Rough and thick stainless
    steel housings.

•   Two-wire techniques
    power and signal.

•   Each version in EEx ib IIC
    T4 available.




The family INFRA R 20/21/22                        With the R 20 and R 21 the Infrared                  •     Measuring range: -50...1000 °C,
contains stationary sensors for the                radiation is focused by a concave                          partial ranges available
contactless measuring of                           mirror to the sensing element. The
temperature.                                       R 22 works with a gold plated cone in                •     Measuring signal:
                                                   place of this. Therefore a smaller                         4 ... 20 mA linear
This technique is of big advantage,                diameter for the housing is possible
e.g. when the measurements object is               for the housing.                                     •     Power supply: 15 ... 30 V DC
moving, is standing under electrical               A silicon window separates the optical
power, or is poisonous or dangerous.               system in both cases from the                        •     Smallest measuring field:
The contactless measuring principle                environment thus making the sensor                         6 mm ∅
also makes sense if the                            watertight.
measurements object has only a low                 The R 20 is built very compact and                   •     No influence by water vapour
heat conductivity or if there is a need            contains an integrated transmitter                         and CO2
for fast measuring.                                generating the 4 ... 20 mA measuring
                                                   signal.                                              •     Vibration proof, no moving
Therefore many applications are                                                                               parts
possible, e. g.:                                   For the two other types the transmitter
                                                   works externally allowing a smaller
Plastic forming machines,                          housing for the measuring head.
Asphalt mixing plants,
Dough kneading bowls,                              For working under high ambient
Plastic foil milling,                              temperatures cooling systems are
Endless-coil enamelling plants,                    available.
extruders for plastics,
supervision of transportation on                   An air purge keeps the lens clean
conveyor belts,                                    within dusty and damp environment.
Rubber kneader,
Through type enamelling stove,
etc.




      BARTEC Messtechnik und Sensorik ! Schulstraße 30 ! 94239 Gotteszell, Deutschland ! Telefon +49 (0) 9929 301-0 ! Telefax +49 (0) 9929 301-112
Technical data
Measuring range
                                               max. – 50...+ 1000 °C with R 20/R 21
Overall
                                               max. – 50...+ 600 °C with R 22
Spectral factor                                8 to 14 µm
Emission factor                                0,1 to 1, internally adjustable
Measuring field                                depending on distance (see „Distance ratio“)
Output
Output signal                                  4...20 mA
Burden                                         ≤ 500 Ω for standard type/UH = 24 V
Accuracy
Measuring accuracy                             ≤ 1 % of f. s. (with 23 °C)
Temperature influence                          ≤ 0,05 %/C°
Response time                                  t 0,9     = 0,2 s (attenuation OFF) and/or 2,5 ... 13 s adjustable (attenuation ON)
Ambient Conditions
Operating temperature                          0...+ 50 °C permitted
Storage temperature                            -10...+ 60 °C
Climatic class                                 KWF according to DIN 40040
Explosion protection (for model
                                               EEX ib IIC T4 according to TÜV 99 ATEX 1402
„Ex“)
Power supply
UH = DC 15 ... 30 V ,          max. 20 mA
Connection
Max. ripple ≤ 150 mV eff.
4pole socket, protection IP64
Mechanical data
                                                                     R 20                                      R 21/22
                                                                                              measuring head with stainless steel
                                               stainless steel hosing (material no.           housing (material no. 1.4301) and 3 m
Performance
                                               1.4301)                                        silicone cable. Amplifier with diecast
                                                                                              aliminium house.
Protection                                                                                IP 64
Weight                                         ca. 10 N (= 1 kg)                              ca. 13 N ( 1,3 kg)
Distance ratio
                     R 20                                               R 21                                       R 22




measuring                                            measuring                                 Measuring
distance a                                           distance a                                distance a

measuring                                            measuring                                 measuring
field ∅                                              field ∅                                   field ∅
(95 %)                                               (95 %)                                    (95 %)




Data sheet:: Thermophil  INFRA , type R20/R21/R22                 DB 950312 (01.01)                                         Seite 2
   R 20                    Sensor R 20                    Cooling jacket WN 271-1                 Air nozzle WN 272

                                                         Water connection NW 6                  Air connection NW 6                          Front view
   4pole                         150                9
   connection
   coupling

                            ∅ 62




                                                 ∅ 36




                                                                                                                              ∅ 78
                                                                 ∅ 89




                                                                                73
                                                                                                                                            ∅6
                                                                                                                             15




                                                                                                       12
                                                                        163                                     42,5                              70
                                                                        174




   R 21                       Sensor R 21                       Cooling jacket WN 270                       Air nozzle WN 272

                                                                Water connection NW 6                   Air connection NW 6                   Front view
                                                           79     8,5
                                                        ∅ 62




                                                                 ∅ 36




                                                                                                                                     ∅ 78
                    163
                                                                                 ∅ 89

                                                                                           73                                          15   ∅6
          Mounting hole                       L=3m




                                                                                                               12
          max. M4
                            52




                                                                                        107                              42,5
                                                                                         118                                                      70

      Overall: 175 x 80 x 57 mm



        R 22                            Sensor R 22                                      Cooling jacket/air nozzle WN 268                        Front view


                                                                                                 78
                                                                70,5
                                                                                                                                                 ∅ 4,5
                                                                              ∅ 30




                    163
                                                                                                                    hole circle

                                                                                                                    ∅ 80
                                                                                 ∅ 62




                                                                                                                    70,




                                                 L=3m
       Mounting hole
       max. M4
                                                                                                14,5
                                   52




                                                                                        ∅9                             3,5
                                                                                                                                                 water air

                Overall size: 175 x 80 x 57 mm




Data sheet: Thermophil  INFRA , type R20/R21/R22               DB 950312 (01.01)                                                                Seite 3
                                                 Scope of delivery
           Connection                            Sensor according to order number, additionally 1 4-pol. connection coupling.
                                                 Other accessories according to order.
                                                 Order designations
                   1




                                                                   Order no.




                                                                                              Order no.




                                                                                                                                                      Order no.
                    2
                                 I 4 ... 20 mA      Type                            Modell                       Measuring range
connection coupling
(from outside)
                                                     R20        20101          Standard       1                      0...+ 200 °C                     02
     3     2
                                                     R21        21102          Ex             3                      0...+ 400 °C                     04
     4       1
                                                     R22        22103                                                0...+ 600 °C                     06
                 DC 15 ... 30 V                                                                                     0...+ 1000 °C                     10
                                                                                                                   - 50...+ 200 °C                    52




      Order no.                                         743

                                                                                                                              Appropriate
Accessories and spares                                                                        Order no.
                                                                                                                              for
Cooling jacket with mounting flange and cooling water fitting (app. 2,1 l/min):
Type WN271-1                                                                                  0 301 2 2711                    R20
Type WN270                                                                                    0 301 2 270                     R21

Air nozzle type WN272, with compressed-air fitting (0,5 ... 1 bar)                            0 301 2 272                     R20, R21

Cooling jacket with air nozzle, including mounting flange
cooling water fitting (app. 2,1 l/min) and compressed-air fitting (0,5 ... 1 bar):
Type WN274-1                                                                                  0 301 2 2741                    R20
Type WN273                                                                                    0 301 2 273                     R21
Type WN268                                                                                    0 301 2 268                     R22
Ring holder type 2000-12                                                                      0 30 1 200 012                  R20, R21
Strap retainer Type WN176                                                                     0 301 2 176                     R22
Ball joint with quick-release clamp                                                           0 301 4 955 79                  R20, R21, R22

Silicon disc, ∅ 36                                                                            8 501 2 205 63                  R20, R21
Silicon disc,∅ 20                                                                             8 501 2 205 62                  R22

Emission converter type WN269, E ≈ 0,9                                                        0 301 2 269                     R22
Replacement strip for emission converter type WN269                                           6 650 09                        R22
Graphite spray, ε = 0,85, 400 ml                                                              8 501 2 900 30                  R20, R21, R22
Protection part R21-00-00                                                                     0 500 7 848                     R21
4-pole connection coupling , straight                                                         2 330 85                        R20, R21, R22
4-pole connection coupling, 90°                                                               2 661 82                        R20, R21, R22

Power supply, type 5906-3, 230 V AC/output 24 V DC for rail mounting                          8 901 1 590 63                  R20, R21, R22
Power supply type 5906-4, 230 V AC/output 24 V DC in mounting case                            8 901 1 590 64                  R20, R21, R22
Asolating amplifier and supply, type 9303/11-22-11                                            4 963 43                        R20, R21, R22
                                                                                                                              (Ex)
Helium-neon laser for sighting object                                                         8 501 4 955 58                  R20, R21
(Use in conjunction with cooling jacket WN 271-1 and/or WN 270)
Centering ring for He-Ne-laser                                                                0 301 1 708                     R20, R21

                                                                                              8 501 4 955 55                  R20, R21, R22
Flow monitor for cooling water and compressed air (0,1 ... 1 l/min)
                                                                                              0 301 2 374                     R20, R21, R22
Compressed air maintenance unit type WN 374




Data sheet: Thermophil  INFRA , type R20/R21/R22                      DB 950312 (01.01)                  - subject to change and technical modification -

				
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