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IMPORTANT INFORMATION - PLEASE READ Health and Safety Information Read all of the instructions in this booklet - including all the WARNINGS and CAUTIONS - before using this product. If there is any instruction which you do not understand. DO NOT USE THE PRODUCT. Safety Signs WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or...
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E-Mail: irsales@ametek.com Web: www.landinst.com Web: www.ametek-land.com For further details on all LAND/Ametek offices, distributors and representatives, please visit our websites. Return of Damaged Goods IMPORTANT If any item has been damaged in transit, this should be reported to the carrier and to the supplier immediately.
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Fibroptic Model FG Thermometer User Guide...
User Guide Fibroptic Model FG Thermometer Contents Introduction Specification Installation Positioning the Optic Head Mounting Assemblies Positioning the Processor Dimensional Information Optic Head dimensions Processor dimensions Electrical Connections Power supply connections Display connections Cable requirements Screening and earthing details Checking the System Over voltage protection Using the TEST switch Setting the Emissivity...
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Fibroptic Model FG Thermometer User Guide Fig. 1-1 Fibroptic Model FG Thermometer...
User Guide Fibroptic Model FG Thermometer Introduction Fibroptic Model FG is a fibre optics based radiation thermometer, intended prima- rily for use in the glass industry on forehearths, refiners and melters. The thermometer is designed to provide accurate and stable temperature meas- urement.
Fibroptic Model FG Thermometer User Guide Specification Measurement Ranges Fibroptic Model FG 9.8/13C 980 to 1300°C Fibroptic Model FG 10/14C 1000 to 1400°C Fibroptic Model FG 12/16.5C 1200 to 1650°C Fibroptic Model FG 18/24F 1800 to 2400°F Fibroptic Model FG 22/30F 2200 to 3000°F Optic Head Lens aperture...
User Guide Fibroptic Model FG Thermometer Installation 3.1 Positioning the Optic Head Refer to Fig. 3-1 for the target size table. The thermometer has a circular field of view with a conical sight path. The field of view is 100:1. To mount the optic head, use the two clamping nuts on the external M16 thread of the optic head.
Fibroptic Model FG Thermometer User Guide 3.2.1 Installing the Model FG thermometer in a mounting assembly Bolt the adapter securely to the air purge assembly via the three holes in the lower flange of the air purge casting. It is possible that the air purge assembly will be supplied as Part Nº 091.274 (ready fitted with a simple right-angle bracket) or as Part Nº...
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User Guide Fibroptic Model FG Thermometer Page 5...
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Fibroptic Model FG Thermometer User Guide 1 hole dia. 34.0/1.3 3 x screws M4 x 10/0.4 CSK/HD All dimensions in millimetres/inches Fig. 3-2 Dimensions of the Universal Adapter 4 holes dia 7.2/0.28 equi-spaced 3 holes dia 7.2/0.28 equi-spaced on 101.6/4.0 pcd on 98.4/3.87 pcd 3 holes M4 x 0.7P equi-spaced on 54.0/2.13 pcd...
User Guide Fibroptic Model FG Thermometer Dimensional Information 4.1 Optic Head dimensions 17.5/0.69 106.5/4.19 All dimensions in millimetres/inches Fig. 4-1 Optic Head dimensions 4.2 Processor dimensions Mounting holes M20 x 1.5P 148/5.83 dia 4.5/0.18 thread 160/6.30 27.0/1.06 30.0/1.18 All dimensions in millimetres/inches Fig.
Fibroptic Model FG Thermometer User Guide Electrical Connections Warning Risk of electric shock. Ensure that the processor is disconnected from the power supply before removing the lid of the processor. 5.1 Power supply connections The Model FG Processor requires a power supply of between 18 and 40V d.c. (24V d.c.
User Guide Fibroptic Model FG Thermometer Digital Panel Meter 4 to 20mA Power Supply Unit Fig. 5-2 Electrical connections of the 4 to 20mA current loop 5.2 Display connections Warning In order to meet IEC 1010 safety requirements, the power supply output must be double isolated from any hazardous, live voltages.
Fibroptic Model FG Thermometer User Guide 5.3 Cable requirements Note To comply with EMC requirements, the thermometer must be used with screened cable. The maximum overall cable diameter must not exceed 8mm/0.3in. For short cable runs, when general interference is unlikely, use standard PVC 2 Core cable (BELDEN 2576 or equivalent).
User Guide Fibroptic Model FG Thermometer Checking the System 6.1 Over voltage protection Warning Take care when viewing the Over voltage indicator as, if it is lit, high (pos- sibly mains) voltages are present on the exposed terminals. The Model FG Thermometer is provided with supply over voltage protection. An over voltage condition is indicated by illumination of LED 1, inside the processor (Refer to Fig.
Fibroptic Model FG Thermometer User Guide To test the unit: Ensure that the thermometer is connected in a 4 to 20mA loop as shown in Section 5.0. Unscrew the four screws in the lid of the processor and remove the lid. Refer to Fig.
Fibroptic Model FG Thermometer User Guide Maintenance 7.1 Lens assembly maintenance After initial installation, make frequent regular inspections of the lens in order to establish a cleaning cycle. It may be necessary to remove the optic head from its mounting to gain reasonable access to the lens.
User Guide Fibroptic Model FG Thermometer System Output The system output is 4 to 20mA, linear over the system temperature range. Example 1 (Celsius Model): For the FG 9.8/13C model, the output at temperature T°C is given by: x 16 1300 - 980 Example 2 (Fahrenheit Model): For the FG 18/24F model, the output at temperature T°F is given by:...
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Fibroptic Model FG Thermometer User Guide Page 16...
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PRODUCT WARRANTY Thank you for purchasing your new product from Land Instruments International. This Land manufacturer’s ‘back-to-base’ warranty covers product malfunctions arising from defects in design or manufacture. The warranty period commences on the instrument despatch date from the Land Instruments International Ltd.
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• Tel: +44 (0) 1246 417691 • Fax: +44 (0) 1246 410585 Email: land.infrared@ametek.co.uk • www.landinst.com A M E T E K L a n d , I n c . • 1 5 0 F r e e p o r t R d .
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