RayTek FR Bedienungsanleitung

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67

Zur Seite of

Richtige Gebrauchsanleitung

Die Vorschriften verpflichten den Verkäufer zur Übertragung der Gebrauchsanleitung RayTek FR an den Erwerber, zusammen mit der Ware. Eine fehlende Anleitung oder falsche Informationen, die dem Verbraucher übertragen werden, bilden eine Grundlage für eine Reklamation aufgrund Unstimmigkeit des Geräts mit dem Vertrag. Rechtsmäßig lässt man das Anfügen einer Gebrauchsanleitung in anderer Form als Papierform zu, was letztens sehr oft genutzt wird, indem man eine grafische oder elektronische Anleitung von RayTek FR, sowie Anleitungsvideos für Nutzer beifügt. Die Bedingung ist, dass ihre Form leserlich und verständlich ist.

Was ist eine Gebrauchsanleitung?

Das Wort kommt vom lateinischen „instructio”, d.h. ordnen. Demnach kann man in der Anleitung RayTek FR die Beschreibung der Etappen der Vorgehensweisen finden. Das Ziel der Anleitung ist die Belehrung, Vereinfachung des Starts, der Nutzung des Geräts oder auch der Ausführung bestimmter Tätigkeiten. Die Anleitung ist eine Sammlung von Informationen über ein Gegenstand/eine Dienstleistung, ein Hinweis.

Leider widmen nicht viele Nutzer ihre Zeit der Gebrauchsanleitung RayTek FR. Eine gute Gebrauchsanleitung erlaubt nicht nur eine Reihe zusätzlicher Funktionen des gekauften Geräts kennenzulernen, sondern hilft dabei viele Fehler zu vermeiden.

Was sollte also eine ideale Gebrauchsanleitung beinhalten?

Die Gebrauchsanleitung RayTek FR sollte vor allem folgendes enthalten:
- Informationen über technische Daten des Geräts RayTek FR
- Den Namen des Produzenten und das Produktionsjahr des Geräts RayTek FR
- Grundsätze der Bedienung, Regulierung und Wartung des Geräts RayTek FR
- Sicherheitszeichen und Zertifikate, die die Übereinstimmung mit entsprechenden Normen bestätigen

Warum lesen wir keine Gebrauchsanleitungen?

Der Grund dafür ist die fehlende Zeit und die Sicherheit, was die bestimmten Funktionen der gekauften Geräte angeht. Leider ist das Anschließen und Starten von RayTek FR zu wenig. Eine Anleitung beinhaltet eine Reihe von Hinweisen bezüglich bestimmter Funktionen, Sicherheitsgrundsätze, Wartungsarten (sogar das, welche Mittel man benutzen sollte), eventueller Fehler von RayTek FR und Lösungsarten für Probleme, die während der Nutzung auftreten könnten. Immerhin kann man in der Gebrauchsanleitung die Kontaktnummer zum Service RayTek finden, wenn die vorgeschlagenen Lösungen nicht wirksam sind. Aktuell erfreuen sich Anleitungen in Form von interessanten Animationen oder Videoanleitungen an Popularität, die den Nutzer besser ansprechen als eine Broschüre. Diese Art von Anleitung gibt garantiert, dass der Nutzer sich das ganze Video anschaut, ohne die spezifizierten und komplizierten technischen Beschreibungen von RayTek FR zu überspringen, wie es bei der Papierform passiert.

Warum sollte man Gebrauchsanleitungen lesen?

In der Gebrauchsanleitung finden wir vor allem die Antwort über den Bau sowie die Möglichkeiten des Geräts RayTek FR, über die Nutzung bestimmter Accessoires und eine Reihe von Informationen, die erlauben, jegliche Funktionen und Bequemlichkeiten zu nutzen.

Nach dem gelungenen Kauf des Geräts, sollte man einige Zeit für das Kennenlernen jedes Teils der Anleitung von RayTek FR widmen. Aktuell sind sie genau vorbereitet oder übersetzt, damit sie nicht nur verständlich für die Nutzer sind, aber auch ihre grundliegende Hilfs-Informations-Funktion erfüllen.

Inhaltsverzeichnis der Gebrauchsanleitungen

  • Seite 1

    MARATHON FA/FR Series 1-Color Fiber Optic Thermometer 2-Color Fiber Optic Thermometer    Operating Instructions Rev. G 01/2010 53001[...]

  • Seite 2

    [...]

  • Seite 3

    Contacts   Worldwide  Headqu arters  Santa  Cruz,  CA  USA  Tel:  +1  800  227  –  8074  (USA  and  Canada  only)   +1  831  458  –  3900  Fax:  +1  831  458  –  1239  solutions@raytek.com   European  He adquarters  Berlin,  Germany [...]

  • Seite 4

    W ARRANTY  The  manufacturer  war rants  this  instrument  to  be  free  from  defects  in  mate rial  and  workmanship  under  normal  use  and  service  for  the  period  of  two  years  from  date  of  pur chas e.  This  warranty  extends  only [...]

  • Seite 5

    T ABLE  OF  C ONTENTS  1  SAFETY  INSTRUCT IONS ................................................................................................................... ........... 1 2  PRODUCT  DESCRIPTI ON .................................................................................................................... ........ [...]

  • Seite 6

    6  OPERATION ...................................................................................................................... ............................. 25 6.1  C ONTROL  P ANEL ....................................................................................................................................... 25 6.2  O PERAT[...]

  • Seite 7

    10.4.2.1  Attaching  the  Fiber  Optic  Cable  to  the  Optical  Head .......................................................... 51 10.4.2.2  Attaching  the  Fiber  Optic  Cable  to  the  Electronics  Housing .............................................. 51 10.4.3  Fiber  Calibra tion ...[...]

  • Seite 8

    [...]

  • Seite 9

    Safety  Instructions Marathon  Series  FA/FR  1 1  Safety  Instructi ons  This  document  contains  important  information,  which  should  be  kept  at  all  times  with  the  instrument  during  its  operation al  life.  Other  users  of  this  instrument ?[...]

  • Seite 10

    Product  Description 2  Marathon  Series  FA/FR 2  Product  Description  The  Marathon  FA/FR  fiber  optic  series  of  instruments  are  high ‐ performance  infrared  thermometers.  Each  has  a  front  end  consisting  of  a  small ,  fixed  focus  optica[...]

  • Seite 11

    Product  Description Marathon  Series  FA/FR  3 Another  benefit  is  that  2 ‐ color  sensors  meas ure  closer  to  the  highest  temperature  within  the  measured  spot  (spatial  peak  picki ng)  instead  of  an  average  temperature.  A  2 ‐ color  s[...]

  • Seite 12

    Technical  Data 4  Marathon  Series  FA/FR 3  T echnical  Data  3.1  Measurement  Specifications  3.1.1  FA  Models  Temperature  Range  FA1A  475  to  900°C  (887°F  to  1652°F)  FA1B  800  to  1900°C  (1472°F  to  3452°F)  FA1C  1200  to  3000°C[...]

  • Seite 13

    Technical  Data Marathon  Series  FA/FR  5 System  Accuracy 1  no  signal  attenuation  ±(0.3%  T meas *  +  2°C)  up  to  95%  signal  attenuation  ±(1%  T meas *  +  2°C)  for  FR1A/FR1B  up  to  95%  signal  attenuation  ±(1.3%  T meas *  +  2°C[...]

  • Seite 14

    Technical  Data 6  Marathon  Series  FA/FR Warm  up  Perio d  15  minutes  Weight  Optical  Head  100  g  (3.5  oz)  Electronics  Housing  710  g  (9  oz)  3.3  Electrical  Specifications  Power  Supply  24  VDC  ±20%,  500  mA  (max  100  mV  [...]

  • Seite 15

    Technical  Data Marathon  Series  FA/FR  7 3.4  Dimensions   Figure  2:  Dimensions  of  Optic al  Head(FA  Models)   Figure  3:  Dimensions  of  Optic al  Head  (FR  Models)   Figure  4:  Dimensions  of  Elec tronics  Housing  Fiber Optic Cable min. bend radi[...]

  • Seite 16

    Technical  Data 8  Marathon  Series  FA/FR  Figure  5:  Adjustable  Mou nting  Bracket  for  Optical  Head [...]

  • Seite 17

    Technical  Data Marathon  Series  FA/FR  9 3.5  Optical  Specifications  The  sensor  comes  as  a  standard  focus  model  or  one  of  two  close  focus  models,  see  following  overview  for  availab le  options.  For  one ‐ color  temperature  measur[...]

  • Seite 18

    Technical  Data 10  Marathon  Series  FA/FR 3.5.1.2  Close  Focus   Figure  7:  Close  Focus  Spot  Size  Charts  for  FA  models  Spot ∅ S [mm]  Distance D to Object [mm] D:S = 20:1 at focus point FA1A/FA2A CF2 Spot ∅ S [mm]  Distance D to Object [mm] D:S = 20:1 at focus point FA1A/FA[...]

  • Seite 19

    Technical  Data Marathon  Series  FA/FR  11 3.5.2  FR  Models  3.5.2.1  Standard  Focus   Figure  8:  Standard  Focus  Spot  Size  Charts  for  FR  model s  Distance D to Object [mm] D:S = 40:1 at focus point Distance D to Object [mm] D:S = 20:1 at focus point Spot ∅ S [mm]  Spot ?[...]

  • Seite 20

    Technical  Data 12  Marathon  Series  FA/FR 3.5.2.2  Close  Focus   Figure  9:  Close  Focus  Spot  Size  Charts  for  FR  models  3.6  Scope  of  Delivery  The  scope  of  delivery  includes  the  follow ing:  • Marathon  FA/FR  Documentation  an d ?[...]

  • Seite 21

    Sensor  Location Marathon  Series  FA/FR  13 4  Sensor  Location  Sensor  location  and  configurat ion  depends  on  the  applicat ion.  Before  deciding  on  a  location,  you  need  to  be  aware  of  the  ambient  temperature  of  the  location,  the[...]

  • Seite 22

    Sensor  Location 14  Marathon  Series  FA/FR 4.5  Sensor  Placement  (1 ‐ Color  Mode)  Optical  head  placement  for  one ‐ color  temperature  measurements  is  more  critical  than  two ‐ color  measurements.  The  sensor  must  have  a  clear  view  of [...]

  • Seite 23

    Sensor  Location Marathon  Series  FA/FR  15  Figure  11:  Sensor  Placem ent  in  2 ‐ Color  Mod e  4.7  Viewing  Angles  The  optical  head  can  be  placed  at  any  angle  from  the  target  up  to  30°  for  one ‐ colo r  mode,  or  45° [...]

  • Seite 24

    Sensor  Location 16  Marathon  Series  FA/FR  Figure  12:  Acceptable  Sensor  Viewing  Angles   Best 90° to targ et Good 1-Color Mode: 30° to 90° to target 2-Color Mode: 45° to 90° to target Bad 1-Color Mode: 0° to 30° to target 2-Color Mode: 0° to 45° to target A cceptable Angles[...]

  • Seite 25

    Installation Marathon  Series  FA/FR  17 5  Installation  5.1  Mounting  the  Sensor  After  all  prepar ations  are  complete  according  to  section  4  Sensor  Location ,  pag e  13  ff. ,  you  can  install  the  sensor.  How  and  where  you  anchor[...]

  • Seite 26

    Installation 18  Marathon  Series  FA/FR 5.2  Aiming  An  effective  aiming  technique  is  to  adjust  the  head  until  the  highest  readin g  is  observed  on  the  internal  display.  When  the  highest  read ing  is  reached,  hold  the  unit  i[...]

  • Seite 27

    Installation Marathon  Series  FA/FR  19 5.4  Installing  the  Electronics  Housing  The  distance  between  the  electronics  housing  and  a  computer  (via  RS4 85  cable)  can  be  up  to  1200  m  (4000  feet).  This  allows  ample  distance  from ?[...]

  • Seite 28

    Installation 20  Marathon  Series  FA/FR   Figure  15:  Electronics  Housing  Wiring   Incorrect  wiring  can  damage  the  sensor  and  void  the  warra nty!  Before  applying  power,  make  sure  all  connections  are  correc t  and  secure!   The ?[...]

  • Seite 29

    Installation Marathon  Series  FA/FR  21 5.5  Power  Supply  Connections  from  a  24  VDC  (500  mA  or  higher)  power  supply  attach  to  the  appropriate  terminals  on  the  electronic  enclosure’s  terminal  strip.   Isolated  power  is  require[...]

  • Seite 30

    Installation 22  Marathon  Series  FA/FR 2.  Install  all  electronics  wiring  according  to  the  applicable  sections  5.4 ,  5.7.x ,  and  5.8 !  3.  Plug  the  RS485/ RS232  interfac e  converter  into  your  computer’s  serial  port,  or  attach  it ?[...]

  • Seite 31

    Installation Marathon  Series  FA/FR  23  Figure  19:  Wiring  for  2 ‐ Wire  Sensor  Se tup  5.7.3  Connecting  to  Terminal  Block  If  you  need  to  extend  the  wiring  or  to  have  a  complete  wiring  of  all  inputs/outputs,  use  the  T[...]

  • Seite 32

    Installation 24  Marathon  Series  FA/FR 5.8  Installing  of  Multiple  Sensors  in  a  Network  5.8.1  Wiring  For  an  installat ion  of  two  or  more  sensors  in  a  network,  each  sensor  cable  is  wired  to  its  own  terminal  block.  The[...]

  • Seite 33

    Operation Marathon  Series  FA/FR  25 6  Operation  Once  you  have  the  optical  head  and  electronics  housing  positioned  and  connected  properly,  the  system  is  ready  for  continuous  operatio n.  The  operation  of  the  sensor  can  be  don[...]

  • Seite 34

    Operation 26  Marathon  Series  FA/FR The  sensor  has  a  remote  locking  feature  that  keeps  the  unit  from  being  acciden tally  changed  from  the  control  panel  (locked  by  default  in  multidrop  mode).  This  lockout  mode  denies  access [...]

  • Seite 35

    Operation Marathon  Series  FA/FR  27  Figure  25:  Mode  Selector  Button  Sequence  (FR  Models)  6.2.1  Temperature  Display  The  temperature  display  can  be  set  for  either  °C  or  °F  by  pressing  the  C/F  selector  button  ( c  – [...]

  • Seite 36

    Operation 28  Marathon  Series  FA/FR  The  slope  is  the  decid ing  parameter  for  measur ements  in  2 ‐ color  mode!  The  emissivity  affects  only  measurem ents  in  1 ‐ color  mode.  For  information  on  det ermining  an  unknown  slope,  and ?[...]

  • Seite 37

    Operation Marathon  Series  FA/FR  29  Figure  26:  Averaging  Example  To  set  and  activate  Averaging,  do  the  following :  1.  Press  the  Mode  button  unt il  the  AVG  LED  is  lit.  2.  Press  the c  button  to  both  set  and  activa[...]

  • Seite 38

    Operation 30  Marathon  Series  FA/FR Peak Hold with decay timer 000.1-299.9 000.0 000.0 -* 0001-9999 Advanced Peak Hold trigger or threshold 300.0 000.0 0250-3000 -* 0000 Advanced Peak Hold timer or threshold 000.1-299.9 000.0 0250-3000 -* 0000 Advanced Peak Hold with decay timer or threshold 000.1-299.9 000.0 0250-3000 -* 0001-9999 Valle[...]

  • Seite 39

    Operation Marathon  Series  FA/FR  31  Figure  27:  Deadband  Example  6.2.11  Ambient  Background  Temperature  Compensation  (FA  Models)  The  FA  model  is  capable  of  improving  the  accuracy  of  target  temperature  measurements  by  taking  into  [...]

  • Seite 40

    Operation 32  Marathon  Series  FA/FR 6.4  Factory  Defaults  To  globally  reset  the  unit  to  its  factory  default  settings,  press  the  c  and  d  buttons  at  the  same  time  for  approximately  2  seconds.  The  baud  rate  will  not [...]

  • Seite 41

    Options Marathon  Series  FA/FR  33 7  Options  Options  are  items  that  are  factory  installed  and  must  be  specified  at  time  of  order.  The  following  are  availabl e:  • Fiber  optic  cable  lengths:  1,  3,  6,  10  m  (3,  10, [...]

  • Seite 42

    Accessories 34  Marathon  Series  FA/FR 8  Accessories  8.1  Overview  A  full  range  of  accessor ies  for  various  applications  and  indu strial  environments  are  ava ilable.  Accessories  include  items  that  may  be  ordered  at  any  time  and  a[...]

  • Seite 43

    Accessories Marathon  Series  FA/FR  35 8.2  Air  Purge  Collar  The  Air  Purge  Collar  accessory  is  used  to  keep  dust,  moisture,  airborne  particles,  and  vapors  away  from  the  optical  head ʹ s  lens.  It  can  be  installed  before  o[...]

  • Seite 44

    Accessories 36  Marathon  Series  FA/FR 8.4  Fitting  System  Flexible  accessory  selections  allow  you  to  pick  and  choose  the  acce ssories  you  need.   Figure  33:  Flexible  Fitting  System  Part number Description XXXFORFQP Item 1 XXXFORFAP Item 1 + Item 2 XXXFOR[...]

  • Seite 45

    Accessories Marathon  Series  FA/FR  37 8.5  RS232/485  Interface  Converter  The  RS232/48 5  interface  converters  have  built ‐ in  smart  switching  and  have  been  designed  to  be  fast,  allowing  for  use  in  either  2 ‐ wire  or  4 ‐ wire  mo[...]

  • Seite 46

    Accessories 38  Marathon  Series  FA/FR 8.6  Industrial  Power  Supply  The  DIN ‐ rail  mount  industrial  power  supply  transforms  an  input  voltage  of  85  –  26 4  VAC  into  an  output  voltage  of  24  VDC  /  1.25  A.  The  power  su[...]

  • Seite 47

    Programming  Guide Marathon  Series  FA/FR  39 9  Programming  Guide  This  section  explains  the  sensor’s  communication  protocol.  Use  them  when  writing  custom  programs  for  your  application s  or  when  communicating  with  your  sensor  with  a[...]

  • Seite 48

    Programming  Guide 40  Marathon  Series  FA/FR Example:  Send  E=0.90  instead  of  E=0. 9;  send  P=001.2  instead  of  P=1.2   After  transmitting  one  command,  the  host  has  to  wait  for  the  response  from  the  unit  before  sending  anothe[...]

  • Seite 49

    Programming  Guide Marathon  Series  FA/FR  41 • Sensor  Model  Type  • Sensor  Serial  Number  • Relay  Control  • Laser  status  • Setpoints  • Deadband  • Current  Output  Mode  (0 ‐ 20  mA  or  4 ‐ 20  mA)   The  following  items  c[...]

  • Seite 50

    Programming  Guide 42  Marathon  Series  FA/FR 9.5  Command  List  In  depending  from  the  spe cific  commands,  the  following  char acters  are  used :  ?  ...  host  (e.g.  PC)  requests  for  a  parameter  value  of  the  unit  !  ...  unit  [...]

  • Seite 51

    Programming  Guide Marathon  Series  FA/FR  43 Description Char Format (2) P (1) B (1) S (1) N (1) Legal Values Factory Default Wide Power Q nnnn.nnn √ √ 0000.000-9999. 999 Narrow Power (FR only) R nnnn.nnn √ √ 0000.000-9999. 999 Slope (FR only) S n.nnn √ √ √ √ 0.850-1.150 1.000 Target temperature FR series: 2-color T nn[...]

  • Seite 52

    Programming  Guide 44  Marathon  Series  FA/FR 9.6  Command  Examples  HOST SENSOR HOST SENSOR WHERE USED (1) Description Query  Answer Set  Notification P B S N Burst string format 001?$ 001!$UTSI 001$=UTSI √ √ Show list of commands 001? √ Measured attenuation 001?B 001!B12 √ √ Baud rate 001!D384 001D=384 √ E[...]

  • Seite 53

    Maintenance Marathon  Series  FA/FR  45 10  Maintenance  Our  sales  representatives  and  customer  service  are  alw ays  at  your  disposal  for  questions  regarding  application  assistance,  calibration,  repair,  and  solutions  to  specific  problems.  Pleas[...]

  • Seite 54

    Maintenance 46  Marathon  Series  FA/FR 10.2  Fail ‐ Safe  Operation  The  Fail ‐ Safe  system  is  designed  to  alert  the  operator  and  provide  a  safe  output  in  cas e  of  any  system  failure.  Basically ,  it  is  designed  to  shutdown  [...]

  • Seite 55

    Maintenance Marathon  Series  FA/FR  47 The  relay  is  controlled  by  the  temperature  selected  on  the  display.  If  any  failsa fe  code  appears  on  the  display,  the  relay  changes  to  the  “abnormal”  state.  The  exception  is  the [...]

  • Seite 56

    Maintenance 48  Marathon  Series  FA/FR 10.3  Cleaning  the  Lens  Keep  the  lens  clean  at  all  times.  Any  foreign  matter  on  the  win dow  will  affect  1 ‐ color  measurement  accuracy  and  may  affect  two ‐ color  ac curacy .  However,  car[...]

  • Seite 57

    Maintenance Marathon  Series  FA/FR  49 10.4  Replacing  the  Fiber  Optic  Cable   FA  fiber  cable  assemblies  are  not  field ʺ replaceab le ʺ without  blackbody  rec alibration!  As  such,  spare  FA  fiber  cable  assemb lies  are  no t  availabl e! ?[...]

  • Seite 58

    Maintenance 50  Marathon  Series  FA/FR  Figure  36:  Removing  the  Fi ber  optic  Cable  from  the  Optica l  Head  10.4.1.2  Removing  the  Fiber  Optic  Cable  from  the  Electronics  Hous ing  Complete  the  following  steps  to  disconnect  the  fi[...]

  • Seite 59

    Maintenance Marathon  Series  FA/FR  51 10.4.2  Mounting  the  Fiber  Optic  Cable  10.4.2.1  Attaching  th e  Fiber  Optic  Cable  to  the  Optical  Head  Complete  the  following  steps  to  attach  the  fiber  optic  cable  to  the  optical  head : ?[...]

  • Seite 60

    Maintenance 52  Marathon  Series  FA/FR  Figure  39:  Attaching  the  Fiber  Optic  Cable  to  the  Electronics  Housing  10.4.3  Fiber  Calibration  Each  replacement  fiber  optic  cable  is  calibrated  at  the  factor y  before  shipping.  The  ca libra[...]

  • Seite 61

    Maintenance Marathon  Series  FA/FR  53  Figure  40:  Dialog  for  the  Calibra tion  of  the  Fiber  Cable [...]

  • Seite 62

    Appendix 54  Marathon  Series  FA/FR 11  Appendix  11.1  Determination  of  Emissivity  Emissivity  is  a  measure  of  an  object’s  ability  to  abso rb  and  emit  infrared  energ y.  It  can  ha ve  a  value  between  0  and  1.0.  For  ex ample[...]

  • Seite 63

    Appendix Marathon  Series  FA/FR  55 E MISSIVITY AT 1 µ M FOR M ETALS Aluminum Iron, cast unoxidized 0.1-0.2 oxidized 0.9 oxidized 0.4 unoxidized 0.35 roughened 0.2-0.8 molten 0.35 polished 0.1-0.2 Magnesium 0.3-0.8 Brass Molybdenum polished 0.35 oxidized 0.5-0.9 Burnished 0.65 unoxidized 0.25-0.35 Chromium 0.4 Monel (Ni-Cu) 0.3 Copper Ni[...]

  • Seite 64

    Appendix 56  Marathon  Series  FA/FR 11.3  Typical  Slopes  The  following  slope  settings  are  approximate  and  will  va ry  depending  on  the  metal  alloy  and  surface  finish,  as  well  as  the  applic ation.  These  are  supplied  here  as [...]

  • Seite 65

    Appendix Marathon  Series  FA/FR  57 11.4  Signal  Reduction  (FR  Models)  The  following  figure s  show  each  sensor  model’s  typical  percentage  of  allowed  sign al  reduction  at  all  temperatures.  Refer  to  these  graphs  to  estimate  what  [...]

  • Seite 66

    Appendix 58  Marathon  Series  FA/FR 11.5  Attenuation  Influence  on  Accuracy  The  ability  of  the  FR  ratio  instruments  to  accurately  measure  the  temperature  of  targets  smaller  than  the  field ‐ of ‐ view  (FOV)  is  a  key  feature.  A[...]

  • Seite 67

    Appendix Marathon  Series  FA/FR  59 11.6  Traceability  of  Instrument  Calibration   C USTOMER I NFRARED T HE RMOMETERS Compute rized cavity (black body sourc e) 500 to 2727 ° C 400 to 800°C Medium Temp Se condary (Working) Standard 400 to 800°C Fluke Medium Te mp Primary Standard 760 to 2700°C High Temp Primar y St[...]