Low Temperature Standalone Thermometer
i
RT8B THERMOMETER
USER GUIDE
PUBLICATION N
O
815692
LANGUAGE: ENGLISH
ISSUE: 1
DATE: 14 SEPTEMBER 2022
Q U A L I T Y C U S T O M E R S O L U T I O N S
Страница 1: ...Low Temperature Standalone Thermometer i RT8B THERMOMETER USER GUIDE PUBLICATION NO 815692 LANGUAGE ENGLISH ISSUE 1 DATE 14 SEPTEMBER 2022 Q U A L I T Y C U S T O M E R S O L U T I O N S...
Страница 2: ...sensitive devices Equipment Operation Use of this instrument in a manner not specified by AMETEK Land may be hazardous Read and understand the user documentation supplied before installing and operat...
Страница 3: ...em returned to AMETEK Land should be adequately packaged to prevent damage during transit You must include a written report of the problem together with your own name and contact information address t...
Страница 4: ...r Installation 4 3 Electrical Connections 5 3 1 General Connections 5 3 2 Loop Resistance 6 4 Thermometer Operation 7 4 1 General 7 4 2 Location of Controls 7 4 3 Adjusting the Emissivity Setting 8 4...
Страница 5: ...er Guide This User Guide should be read thoroughly before proceeding with any operations detailed within it and it is advisable that it is kept readily available for reference when the equipment is in...
Страница 6: ...and 8 to 14 m nominal Response time 3t 1 to 10s adjustable Resolution 0 2 C Accuracy 2 C Ambient temperature limits 5 to 50 C 23 to 122 F specified 5 to 70 C 23 to 158 F storage Drift with ambient tem...
Страница 7: ...et spot size table 114 4 49 80 5 3 17 158 6 22 Mounting pad 2 holes 1 4in BSW 7 0 3 deep on 25 0 98 centres All dimensions in mm in Not to scale 0 83 1 02 1 34 2 13 3 39 4 80 6 14 Minimum Target Size...
Страница 8: ...g tube may be required to eliminate any unwanted reflections from entering the thermometer and to keep the sight path clear from obstructions Sighting tubes can also be used to create a stand off betw...
Страница 9: ...lour End Cap Pin No 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 RT8B thermometer see Fig 4 Align the red marker near the lugs of the plug with the red marker loc...
Страница 10: ...loop for a given power supply voltage is illustrated in Fig 5 NOTE The system load resistance includes the cable resistance and the indicator resistance Fig 5 Graph showing load resistance versus pow...
Страница 11: ...p 4 2 Location of Controls The Emissivity and Response Speed control switches are located on the rear face of the thermometer The controls are protected by a screw on cap see Fig 6 NOTE To ensure that...
Страница 12: ...W1 and SW2 switches see Fig 7 Switch SW1 denotes the first figure after the decimal point of the emissivity value Switch SW2 denotes the second figure after the decimal point of the emissivity value e...
Страница 13: ...control switches Turn the potentiometer P1 anti clockwise When P1 is turned fully anti clockwise the response speed is 1 second 3t To decrease the response speed value i e make the response slower Rem...
Страница 14: ...a protective cooling jacket If the thermometer is to be used in an area where the atmosphere contains a high proportion of dust smoke steam etc then the thermometer must be used in conjunction with an...
Страница 15: ...upply to these facilities are fully conditioned and supplied at the recommended flow rates The following information details the specified flow rates S4 J Cooling Jacket Assembly Requirement Condition...
Страница 16: ...mainly of ensuring that the thermometer lens is kept clean and free from contaminants and that all services to the system water and air supplies are set correctly and are routinely checked It is recom...
Страница 17: ...ns that either the thermometer is not suitable for the measurement application or the temperature of the target is outside the thermometer s measurement span If you have a query regarding the emissivi...
Страница 18: ...ty Values for Alloys 7 3 Miscellaneous Miscellaneous Material Emissivity Value Asphalt 0 95 Asbestos board paper cloth 0 90 Brick Graphite soot 0 85 0 80 0 95 Cement Concrete 0 90 Cloth all types clos...
Страница 19: ...0 35 Copper Oxidised 0 03 0 80 Gold 0 02 Iron Steel Oxidised 0 10 0 80 Lead Oxidised 0 13 0 65 Magnesium Oxidised 0 07 0 75 Molybdenum Oxidised 0 10 0 80 Nickel Oxidised 0 04 0 85 Palladium 0 05 Plat...
Страница 20: ...hancing user skills by providing access to product and application experts AMETEK Land s global service network provides unparalleled after sales services to ensure you get the best performance and va...
