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RT8A Thermometer

Installation Guide

for Roadstone Applications

Issue 3

25 November 2016

Publication Nº 806007

Language: English

Содержание Ametek RT8A

Страница 1: ...RT8A Thermometer Installation Guide for Roadstone Applications Issue 3 25 November 2016 Publication N 806007 Language English Land Instruments International 2010 2016...

Страница 2: ...e user documentation supplied before installing and operating the equipment The safety of any system incorporating this equipment is the responsibility of the assembler Protective Clothing Face and Ey...

Страница 3: ...ent damage during transit You must include a written report of the problem together with your own name and contact information address telephone number email address etc Design and Manufacturing Stand...

Страница 4: ...RT8A Thermometer Installation Guide...

Страница 5: ...ischarge 5 5 Using a Sighting Tube 6 6 Mounting the Thermometer 7 7 Thermometer Cooling Purging 7 8 Air Supply Requirements 8 9 Power Supply Requirements 8 10 Electrical Connections 9 10 1 General Con...

Страница 6: ...RT8A Thermometer Installation Guide...

Страница 7: ...heck the thermometer type and serial number against the details given on the delivery note Check that all the accessories required have been supplied Also check that the indicator controller type and...

Страница 8: ...d via the air purge inlet in the thermometer jacket and electrical power is connected to the thermometer via a demountable electrical connector Access to the thermometer speed of response and emissivi...

Страница 9: ...vertically through the top plate of the exit chute approximately midway along the chute To ensure that the sight path is not obscured by airborne dust the tip of the sight tube must not be more than...

Страница 10: ...where the thermometer will not see the mixer paddles or on a batch mixer reflected flame via the discharge chute Ensure that the thermometer lens cannot be splashed with the binder If this cannot be...

Страница 11: ...5 Alternatively position the thermometer such that it views into the skip or lorry and measures the temperature of the collected material It is important to ensure that the thermometer s field of view...

Страница 12: ...nt temperature measurement in the exit chute where airborne dust would otherwise adversely affect the thermometer readings A locking collar welded to the top plate of the chute enables the sight tube...

Страница 13: ...ng An air supply is required for cooling and purging the thermometer The air keeps the thermometer electrical circuits cool as well as keeping the thermometer lens clean Connect the air is supply to t...

Страница 14: ...erconnections 9 Power Supply Requirements The thermometer works on a 4 to 20mA current loop and gives a 4 to 20mA linear output over its temperature range either 0 to 250 C 0 to 500 C 0 to 500 F or 0...

Страница 15: ...nd Cap Pin N 1 2 3 V 4 to 20mA Red 5 4 5 6 V 4 to 20mA Black 6 To connect the 6 way plug to the RT8A thermometer see Fig 4 Align the red marker near the lugs of the plug with the red marker located ab...

Страница 16: ...screw on cap 3 Set the emissivity control to 95 using a small screwdriver see Fig 11 Emissivity Example 0 95 SW1 SW2 P1 Response Speed Fully anticlockwise 1 sec Fully clockwise 10 sec Emissivity 0 10...

Страница 17: ...t loop Note the indicator in the negative conductor as shown in Fig 12 RT8A Thermometer Indicator Note Indicator must be installed in the negative connector Vo VR1 N E L AC Supply SW1 90 130 180 260 P...

Страница 18: ...esponse control is set to suit the application 1 to 10 seconds Refer to Section 11 12 2 Checks during operation During the first day of operation make frequent checks of the lens to ensure that it is...

Страница 19: ...and disconnect the electrical connector 2 Remove the thermometer from the jacket 3 Blow off any loose dust on the lens and wipe the lens with a soft cloth or brush 4 Clean the lens face with soap and...

Страница 20: ...Page 14 RT8A Thermometer Installation Guide...

Страница 21: ...ruments based on System 4 UNO thermometers accessories and mountings and special instruments based on UNO Application dedicated processors based on LANDMARK Graphic ABTS S and ABTS U FTS VDT S and VDT...

Страница 22: ...utside the Ambient Temperature Humidity and Vibration rating of the product environmental contamination solvent vapours deposition of airborne contamination cooling liquids of non neutral pH etc overh...