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MARATHON
FA/FR Series
1-Color Fiber Optic Thermometer
2-Color Fiber Optic Thermometer
Operating Instructions
Rev. G 01/2010
53001
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Contacts Worldwide Headquarters 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 Headquarters France United Kingdom Berlin, Germany Tel: +44 1908 630 800 Tel: +49 30 4 78 00 80 info@raytek.fr ukinfo@raytek.com raytek@raytek.de Fluke Service Center Beijing, China Tel: +86 10 6438 691 Tel: +86 10 4008103435 (Service) info@raytek.com.cn Internet: http://www.raytek.com/ Th
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WARRANTY The manufacturer warrants this instrument to be free from defects in material and workmanship under normal use and service for the period of two years from date of purchase. This warranty extends only to the original purchaser. This warranty shall not apply to fuses, batteries, or any product that has been subject to misuse, neglect, accident, or abnormal conditions of operation. In the event of failure of a product covered by this warranty, the manufacturer will repair the inst
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TABLE OF CONTENTS 1 SAFETY INSTRUCTIONS..............................................................................................................................1 2 PRODUCT DESCRIPTION............................................................................................................................2 2.1 THEORY OF OPERATION FOR 2‐COLOR SENSORS.........................................................................................2 2.1.1 Partially Obscured Targets..............
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6 OPERATION...................................................................................................................................................25 6.1 CONTROL PANEL.......................................................................................................................................25 6.2 OPERATION MODES...................................................................................................................................26 6.2.1 Temperature Display.
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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 Calibration...............................................................................................................................52 11 APPENDIX.............................................................................................
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Safety Instructions 1 Safety Instructions This document contains important information, which should be kept at all times with the instrument during its operational life. Other users of this instrument should be given these instructions with the instrument. Eventual updates to this information must be added to the original document. The instrument can only be operated by trained personnel in accordance with these instructions and local safety regulations. Acceptable Operation This instru
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Product Description 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 optical head coupled to a rugged fiber optic cable wrapped with a flexible stainless steel sheath. The fiber optic cable attaches to an electronics enclosure, which can be mounted away from the hot, hostile environment. The electronics enclosure can be connected to a computer with its two‐way RS485
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Product Description Another benefit is that 2‐color sensors measure closer to the highest temperature within the measured spot (spatial peak picking) instead of an average temperature. A 2‐color sensor can be mounted farther away, even if the target does not fill the resulting spot size. The convenience is that you are not forced to install the sensor at some specific distance based upon target size and the sensor’s optical resolution. 2.1.1 Partially Obscured Targets The r
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Technical Data 3 Technical 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 (2192°F to 5432°F) FA1G 750 to 1675°C (1382°F to 3047°F) FA2A 250 to 800°C (482°F to 1472°F) FA2B 400 to 1700°C (752°F to 3092°F) Spectral Response FA1 1.0 μm (Si detector) FA2 1.6 μm (InGaAs detector) 1 System Accuracy FA1/FA2 ±(0.3% Tmeas + 2°C), Tmeas in °C FA1G ±3°C Repeatabil
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Technical Data 1 System Accuracy * no signal attenuation ±(0.3% Tmeas + 2°C) * up to 95% signal attenuation ±(1% Tmeas + 2°C) for FR1A/FR1B * up to 95% signal attenuation ±(1.3% Tmeas + 2°C) for FR1C * Tmeas in °C see also appendix 11.4 and 11.5, pages 57 ff. Repeatability ±1°C (±2°F) Temperature Resolution ±1°C (±2°F) Response Time 10 msec (95%), selectable to 10 sec Temperature Coefficient ±0.1% of reading at ambient temperature from 0 to 60°C Emissivity (1‐color) 0.10
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Technical Data Warm up Period 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 peak to peak of ripple) Power Consumption max. 12 W Output Isolation 500 V AC or DC provided by manufacturer supplied power supply accessory Dielectric Withstand Voltage 500 V Outputs Analog 0 ‐ 20 mA, 4 ‐ 20 mA, 16 bit resolution max current loop impedance: 500 Ω Digital RS485 networkable t
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Technical Data 3.4 Dimensions Fiber Optic Cable min. bend radius Figure 2: Dimensions of Optical Head(FA Models) Fiber Optic Cable min. bend radius Figure 3: Dimensions of Optical Head (FR Models) Mounting hole ∅ 5 mm (0.188) Max. fastener head 8 mm (0.31) Hole diameter: 21 mm (0.83) Figure 4: Dimensions of Electronics Housing Marathon Series FA/FR 7
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Technical Data Figure 5: Adjustable Mounting Bracket for Optical Head 8 Marathon Series FA/FR
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Technical Data 3.5 Optical Specifications The sensor comes as a standard focus model or one of two close focus models, see following overview for available options. For one‐color temperature measurements make sure the target completely fills the measurement spot. 3.5.1 FA Models 3.5.1.1 Standard Focus [inch] [inch] FA1A/FA2A SF FA1B/FA1C/FA1G SF Distance D to Object [mm] Distancse D to Object [mm] D:S = 100:1 at focus point D:S = 20:1 at focus point [inch] FA2B SF Distance D to Ob
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Technical Data 3.5.1.2 Close Focus [inch] [inch] FA1A/FA2A CF1 FA1A/FA2A CF2 Distance D to Object [mm] Distance D to Object [mm] D:S = 20:1 at focus point D:S = 20:1 at focus point [inch] [inch] FA1B/FA1C CF1 FA1B/FA1C CF2 Distance D to Object [mm] Distance D to Object [mm] D:S = 100:1 at focus point D:S = 100:1 at focus point [inch] [inch] FA2B CF1 FA2B CF2 Distance D to Object [mm] Distance D to Object [mm] D:S = 40:1 at focus point D:S = 40:1 at focus point Figure 7: Close Focu
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Technical Data 3.5.2 FR Models 3.5.2.1 Standard Focus [inch] [inch] FR1A SF FR1B SF Distance D to Object [mm] Distance D to Object [mm] D:S = 20:1 at focus point D:S = 40:1 at focus point [inch] FR1C SF Distance D to Object [mm] D:S = 65:1 at focus point Figure 8: Standard Focus Spot Size Charts for FR models Marathon Series FA/FR 11 Spot ∅ Spot ∅ S [mm] S [inch] Spot ∅ Spot ∅ S [mm] S [inch] Spot ∅ Spot ∅ S [mm] S [inch]
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Technical Data 3.5.2.2 Close Focus [inch] [inch] FR1A CF1 FR1A CF2 Distance D to Object [mm] Distance D to Object [mm] D:S = 20:1 at focus point D:S = 20:1 at focus point [inch] [inch] FR1B CF1 FR1B CF2 Distance D to Object [mm] Distance D to Object [mm] D:S = 40:1 at focus point D:S = 40:1 at focus point [inch] [inch] FR1C CF1 FR1C CF2 Distance D to Object [mm] Distance D to Object [mm] D:S = 65:1 at focus point D:S = 65:1 at focus point Figure 9: Close Focus Spot Size Charts for F
