FLIR A6700sc User Manual
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FLIR A6700sc User Manual

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A6700sc/A6750sc
User's Manual
This document is controlled to FLIR Technology Level 2. The information contained in this document
pertains to a dual use product controlled for export by the Export Administration Regulations
(EAR). Diversion contrary to US law is prohibited. US Department of Commerce authorization is not
required prior to export or transfer to foreign persons or parties unless otherwise prohibited.
Document Number: 29249-000
Version: 5
Issue Date: February 2, 2015

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Summary of Contents for FLIR A6700sc

  • Page 1 A6700sc/A6750sc User’s Manual This document is controlled to FLIR Technology Level 2. The information contained in this document pertains to a dual use product controlled for export by the Export Administration Regulations (EAR). Diversion contrary to US law is prohibited. US Department of Commerce authorization is not required prior to export or transfer to foreign persons or parties unless otherwise prohibited.
  • Page 2 FLIR Systems, Inc. 9 Townsend West, Nashua, NH 03063 Support: 1-800-GO-INFRA (800-464-6372) http://flir.custhelp.com Service: 1-866-FLIR-911 www.flir.com ©2015 FLIR Systems, Inc. A6700sc/A6750sc User’s Manual...

  • Page 3: Table Of Contents

    Table of Contents REVISION HISTORY ............................6 INTRODUCTION ............................. 7 Camera System Components ..................7 System Overview......................7 Key features of the A6700sc/A6750sc cameras .............. 8 WARNINGS AND CAUTIONS ........................10 INSTALLATION ............................11 Basic Connections ......................11 4.1.1 Power ............................12 4.1.2...
  • Page 4 9.2.3 Blackbody Radiation ........................48 Planck’s Law ............................... 49 Wien’s Displacement Law ........................... 50 Stefan-Boltzmann's Law ............................. 51 Non-Blackbody Emitters ............................. 52 9.2.4 Infrared Semi-Transparent Materials ..................54 The Measurement Formula ................... 55 Emissivity tables ......................58 A6700sc/A6750sc User’s Manual...
  • Page 5 A6700sc/A6750sc User’s Manual...

  • Page 6: Revision History

    1 – Revision History 1 Revision History Version Date Initials Changes 08/26/13 Initial Release 08/27/13 Added 2D drawings, corrections 11/21/13 Corrections to specifications section 11/05/14 Removed ITAR control statement. 02/02/15 Added A6750sc GigE A6700sc/A6750sc User’s Manual...

  • Page 7: Introduction

    (ATS) to meet the needs of the commercial R&D user. The camera makes use of FLIR’s advanced ISC0403 4-channel readout integrated circuit (ROIC), mated to an Indium Antimonide (InSb) detector to cover the midwave infrared band. The A6700sc camera utilizes a large format, 640 x 512 array with 15μm pixel pitch.

  • Page 8: Key Features Of The A6700Sc/A6750Sc Cameras

    Frame rate is user selectable from 0.0015 Hz up to the maximum allowed for the selected window size. External Sync The A6700sc camera provides a SYNC input that can be used to control the camera frame rate using an external LVCMOS input (can handle 5.5V Max). External Trigger [A6750sc only] An external trigger input can be used to signal ResearchIR to start recording or to precisely start the image stream relative to an external event.
  • Page 9 However, even though the mount is the same, due to differences in the opto-mechanical layout, lenses for the SC6000/4000 are not an optimal solution for the A6700sc. The SC6000 lenses will provide fairly good imagery but some vignetting in the corners may be visible. For best performance the user should use lenses designed for the A6700sc.

  • Page 10: Warnings And Cautions

     The camera is a precision optical instrument and should not be exposed to excessive shock and/or vibration. Refer to the Chapter 6 for detailed environmental requirements.  The camera contains static-sensitive electronics and should be handled appropriately. A6700sc/A6750sc User’s Manual...

  • Page 11: Installation

    4 – Installation 4 Installation 4.1 Basic Connections All connections to the A6700sc are located on the Back Panel. Item Name Description Power Switch LED will light when power is ON Ready Light LED will turn on when camera is booted Cold LED LED will light when FPA temp is <80K...

  • Page 12: Power

    Plug in the AC power supply to a standard 120V outlet. Connect the DC power cable between the power supply and the power connector located on the rear panel of the A6700sc camera. Turn on the imaging head by pressing the power button on the rear panel. The green power LED will illuminate to indicate that the unit is ON.

  • Page 13: Camera Controller

    Choosing the Camera>>Control menu option will display the full camera controller. The rest of this chapter will describe the full camera controller features in detail. 5.1.1 Single Preset Mode 5.1.2 Superframing Mode [A675xsc only] A6700sc/A6750sc User’s Manual...

  • Page 14: Menu Bar

    4.2.2.1 NOTE: The A6700sc has two internal clocks: a Real Time Clock (RTC) and a timestamp clock. The RTC is a low resolution clock used to keep system time. The RTC has a battery backup and will retain time while the camera is off.

  • Page 15: Help Menu

    The “Save” button allows the user to create a text file with this version information. 5.2.3 Status Page The Status Page gives general information about the camera state including camera type, camera time, integration time, frame size, and frame rate. A6700sc/A6750sc User’s Manual...

  • Page 16: Setup Page

    Checking the box will automatically keep the camera at max frame rate as these parameters change. Image size A6700sc: This control will be simply a dropdown list with the three window size options available (Full, ½, ¼). A6700sc/A6750sc User’s Manual...

  • Page 17: Sync Tab [A6750Sc Only]

    Video: The FPA frame sync is generated from the internal video encoder , locking the digital and analog clocks together High Sensitivity Mode HSM is a FLIR-patented algorithm first introduced (HSM) in the Gas FindIR cameras that allows the user to see small temperature changes in the scene.
  • Page 18 Frame Sync Frame Sync Frame Sync Preset 0 Preset 1 Preset 2 Preset 3 Integration Integration Integration Integration Preset 0 Preset 1 Preset 2 Preset 3 Data Data Data Data Figure 4-2: Frame Sync Starts Integration, ITR A6700sc/A6750sc User’s Manual...
  • Page 19 When the camera is placed in a triggered mode, the image stream will stop until the trigger is received. Trigger Modes In free run the camera cycles through frames/sequences Free Run (No Trigger) continuously. Upon receiving a trigger (external or software) the camera will Trigger then free run start to generate sequences continuously. A6700sc/A6750sc User’s Manual...

  • Page 20: Sync Source

    The trigger is generated externally through the Trigger In External connector on the camera rear chassis. (3.3V LVCMOS) Software The trigger is generated via a software button (Trigger button) Camera generates an internal trigger when the internal Time Triggered timestamp clock reaches a specified time. A6700sc/A6750sc User’s Manual...

  • Page 21: Sync Options

    Trigger In Allows for the user to set a delay (µsec) for the external trigger. See Delay timing diagrams below. Trigger is edge triggered. Allows for the camera to use the rising or Polarity falling edge. A6700sc/A6750sc User’s Manual...

  • Page 22: Sync Out

    NUC from flash automatically when the camera is turned on if a Save State was performed. Flash Memory. This type of memory is used as nonvolatile NUC storage. There is about 2GB of flash memory available for storing NUCs. This is enough space to store hundreds of full frame NUCs. A6700sc/A6750sc User’s Manual...
  • Page 23 Displays a list of NUCs stored in flash memory. User can delete NUCs from flash memory as well as upload/download NUCs (.NPK files) from the host PC. Displays options for loading NUCs. A6700sc/A6750sc User’s Manual...

  • Page 24: Nuc Information

    When the camera is powered up, it loads the last saved camera state. The names of the NUCs are stored as part of the state. Normally the NUC is performed with the settings that are eventually going A6700sc/A6750sc User’s Manual...

  • Page 25: Performing A Nuc

    After selecting the Perform Correction a second window comes up to allow the user to select correction parameters. When all selections have been made, click Next>> to continue. A6700sc/A6750sc User’s Manual...
  • Page 26 The value can be to be 2, 4, 8, 16, 32, 64, or 128. After configuring the correction parameters and selecting Next>> the next window allows the user to set up the parameters used for the Bad Pixel Detection. Once the parameters are set, select Next>> to continue. A6700sc/A6750sc User’s Manual...

  • Page 27: What Is A Non-Uniformity Correction (Nuc)

    The table is then applied in the digital processing pipeline as shown in Figure 4-12. The result is corrected data where each pixel responds consistently across the detector input range creating a uniform image. A6700sc/A6750sc User’s Manual...

  • Page 28: One-Point Correction Process

    Because of the use of two images at either end of the input range, the Two-Point Correction yields better correction results verses the One-Point process. A 2-point correct will also work better over a wider range of scene temperatures than a 1-point correction. A6700sc/A6750sc User’s Manual...

  • Page 29: Offset Update

    Bad Pixel Correction Within the NUC table there is an indication as to whether or not a pixel has been determined to be bad as seen in Figure 4-15. There are two methods the A6700sc uses to determine bad pixels. Uncorrected Data...
  • Page 30 5 –Camera Controller value directly relates to the gain coefficient in the NUC table, the A6700sc can scan the NUC table gain coefficients and use them to determine if a pixel’s responsivity exceeds the limits as set by the user.

  • Page 31: Video Page

    5 –Camera Controller 5.2.6 Video Page The A6700sc camera has a 14-bit digital output. However, the analog output is only 8-bit. An Automatic Gain Control (AGC) algorithm is used to map the 14-bit digital to the 8-bit analog data. The Video Tab provides controls related to optimizing the Analog video output.
  • Page 32 (but more saturated) video. The following pictures illustrate the differences in AGC algorithms. (The data was captured from the digital output but the effect is similar for the analog side.) A6700sc/A6750sc User’s Manual...
  • Page 33 One final note about the PE algorithm. It is very aggressive. It can pull detail out of very low contrast imagery. It can also pull out some very low-level NUC and FPA artifacts and noise if the contrast is low enough. This does not necessarily mean there is a problem with the camera, or NUC. A6700sc/A6750sc User’s Manual...

  • Page 34: Interfaces

    6 – Interfaces 6 Interfaces 6.1 Mechanical (dimensions in inches) Figure 6-1: Front view of A6700sc Figure 6-2: Side view of A6700sc with 50mm lens A6700sc/A6750sc User’s Manual...
  • Page 35 6 – Interfaces Figure 6-1: Bottom view of A6700sc A6700sc/A6750sc User’s Manual...

  • Page 36: Status Lights

    6 – Interfaces 6.1.1 Status Lights The A6700sc provides a set of status indicators on the back panel to give the user some visual feedback on the camera operating state. POWER (on power switch): Indicates that the camera is ON.

  • Page 37: Other Interfaces

    PAL standard (640x512, 25Hz interlaced). Video supports user selectable color palettes. 6.1.3.4 AUX Connector [A6750sc only] The AUX connector provides access to additional signals. The diagram below shows a closeup view of the rear panel connector. A breakout cable is provided with all A6750sc cameras. A6700sc/A6750sc User’s Manual...
  • Page 38 For camera control Inputs are all LV-CMOS. High>2V, Low<0.2V. Max is 5.5V If you wish to make your own breakout cable, there are three variants of the Hirose mating connector that will work: HR10A-10P-12S(73), HR10-10P-12S(73) or HR10A-10P-12SC(73). A6700sc/A6750sc User’s Manual...

  • Page 39: Specifications

    Max at Full Window 60 Hz for A6700, 125Hz for A6750sc Max w/ Windowing 240 Hz @ ½ window, 480 Hz @ ¼ window (A6700sc) 406 Hz @ ½ window, 1063 Hz @ ¼ window (A6750sc) Max @ Min Window...

  • Page 40: Analog Video

    320x256 and 160x120 window sizes Brightness and Contrast User controlled to increase or decrease (analog video) 7.5 Performance Characteristics Continuous Cool Down: 50 VA Power Consumption FLIR PWR Supply @ 120V Continuous Normal: 41 VA A6700sc/A6750sc User’s Manual...

  • Page 41: Non Uniformity Correction

    3-5um (1-5um for broadband models) Detector Type InSb f/2.5 or f/4 Integration Mode Snapshot Format (HxV) 640 x 512 Operability >99.8%, 99.95% typical Charge Handling 7.2 x10 Capacity Detector Pitch 15 microns Detector Cooling Rotary Cryo Cooler A6700sc/A6750sc User’s Manual...

  • Page 42: General Characteristics

    40 g’s, 11 msec half sine pulse Vibration 4.3 g's RMS random vibration, all three axes Humidity <95% relative humidity, non-condensing Altitude 0 to 10,000 feet operational, 0 to 70,000 feet non-operational Operating Orientation No restriction in orientation A6700sc/A6750sc User’s Manual...

  • Page 43: Maintenance

    Set-up a clean area to work from with an anti-roll barrier around the edge to prevent anything from leaving the table. Use a clean, lint free cloth or lens tissue. Wear latex gloves - clean them with alcohol or detergent before handling optic. A6700sc/A6750sc User’s Manual...
  • Page 44 Magnesium Fluoride 1,2,4 Dielectric coating 1,2,3,4 Sodium Chloride Nitrogen Interference filters Potassium Chloride Nitrogen Soft metallic coating Air only Potassium Bromide Nitrogen Hard/Protected metallic 1,2,3,4 Thallium Bromoiodide Nitrogen 1] Water free Acetone 2] Ethanol 3] Methanol 4] Isopropanol A6700sc/A6750sc User’s Manual...

  • Page 45: Infrared Primer

    It was Herschel, however, who was the first to recognize that there must be a point where the heating effect reaches a maximum, and those measurements confined to the visible portion of the spectrum failed to locate this point. A6700sc/A6750sc User’s Manual...
  • Page 46 Sir John also managed to obtain a primitive record of the thermal image on paper, which he called a ‘thermograph’. A6700sc/A6750sc User’s Manual...
  • Page 47 This secrecy only began to be lifted in the middle of the 1950’s, and from that time adequate thermal-imaging devices finally began to be available to civilian science and industry. A6700sc/A6750sc User’s Manual...

  • Page 48: Theory Of Thermography

    9.2.3 Blackbody Radiation A blackbody is defined as an object which absorbs all radiation that impinges on it at any wavelength. The apparent misnomer black relating to an object emitting radiation is explained by Kirchhoff’s Law A6700sc/A6750sc User’s Manual...

  • Page 49: Planck's Law

    FLIR Systems camera for example. If the temperature of blackbody radiation increases to more than 525 °C (977 °F), the source begins to be visible so that it appears to the eye no longer black.

  • Page 50: Wien's Displacement Law

    The wavelength of the color is the same as the wavelength calculated for λmax. A good approximation of the value of λmax for a given blackbody temperature is obtained by applying A6700sc/A6750sc User’s Manual...

  • Page 51: Stefan-Boltzmann's Law

    Wien's displacement law. 1: Spectral radiant emittance (W/cm2 (μm)); 2: Wavelength (μm). Stefan-Boltzmann's Law By integrating Planck’s formula from λ = 0 to λ = ∞, we obtain the total radiant emittance (Wb) of a blackbody: A6700sc/A6750sc User’s Manual...

  • Page 52: Non-Blackbody Emitters

    The sum of these three factors must always add up to the whole at any wavelength, so we have the relation: For opaque materials τ = 0 and the relation simplifies to: λ A6700sc/A6750sc User’s Manual...
  • Page 53 For a graybody radiator, the Stefan-Boltzmann formula becomes: This states that the total emissive power of a graybody is the same as a blackbody at the same temperature reduced in proportion to the value of ε from the graybody. A6700sc/A6750sc User’s Manual...

  • Page 54: Infrared Semi-Transparent Materials

    Although the progressive reflections become weaker and weaker they must all be added up when the total emittance of the plate is sought. When the resulting geometrical series is summed, the effective emissivity of a semi-transparent plate is obtained as: A6700sc/A6750sc User’s Manual...

  • Page 55: The Measurement Formula

    Accepting the description above, we can use the figure below to derive a formula for the calculation of the object temperature from the calibrated camera output. Figure 8-14: A schematic representation of the general thermographic measurement situation.1: Surroundings; 2: Object; 3: Atmosphere; 4: Camera A6700sc/A6750sc User’s Manual...
  • Page 56 The total received radiation power can now be written (Equation 2): We multiply each term by the constant C of Equation 1 and replace the CW products by the corresponding U according to the same equation, and get (Equation 3): Solve Equation 3 for U (Equation 4): A6700sc/A6750sc User’s Manual...
  • Page 57 9 – Infrared Primer This is the general measurement formula used in all the FLIR Systems thermographic equipment. The voltages of the formula are: Uobj = Calculated camera output voltage for a blackbody of temperature Tobj i.e. a voltage that can be directly converted into true requested object temperature.

  • Page 58: Emissivity Tables

    5 volts, the resulting curve would have been very much the same as our real curve extrapolated beyond 4.1 volts, provided the calibration algorithm is based on radiation physics, like the FLIR Systems algorithm. Of course there must be a limit to such extrapolations.
  • Page 59 8. Kern: Evaluation of infrared emission of clouds and ground as measured by weather satellites, Defence Documentation Center, AD 617 417. 9. Ohman, Claes: Emittansmatningar med AGEMA E-Box. Teknisk rapport, AGEMA 1999. (Emittance measurements using AGEMA E-Box. Technical report, AGEMA 1999.) A6700sc/A6750sc User’s Manual...
  • Page 60 Aluminum bronze 0.60 Aluminum hydroxide powder 0.28 Aluminum oxide activated, powder 0.46 Aluminum oxide pure, powder alumina 0.16 Asbestos Board 0.96 Asbestos Fabric 0.78 Asbestos floor tile 0.94 Asbestos Paper 40-400 0.93-0.95 Asbestos Powder 0.40-0.60 Asbestos Slate 0.96 A6700sc/A6750sc User’s Manual...
  • Page 61 0.8-0.9 Brick refractory, weakly radiating 500-1000 0.65-0.75 Brick Silica, 95 % SiO2 1230 0.66 Brick sillimanite, 33 % SiO2, 64 % 1500 0.29 Al2O3 Brick waterproof 0.87 Bronze phosphor bronze 0.06 Bronze phosphor bronze 0.08 Bronze polished A6700sc/A6750sc User’s Manual...
  • Page 62 50-100 0.02 Copper Polished 0.03 Copper polished, commercial 0.03 Copper polished, mechanical 0.015 Copper pure, carefully prepared surface 0.008 Copper Scraped 0.07 Copper dioxide Powder 0.84 Copper oxide red, powder 0.70 Ebonite 0.89 Emery Coarse 0.85 Enamel A6700sc/A6750sc User’s Manual...
  • Page 63 900-1100 0.87-0.95 Iron and steel cold rolled 0.09 Iron and steel cold rolled 0.20 Iron and steel covered with red rust 0.61-0.85 Iron and steel Electrolytic 0.05 Iron and steel Electrolytic 0.05 Iron and steel Electrolytic 0.07 A6700sc/A6750sc User’s Manual...
  • Page 64 Iron galvanized Sheet 0.07 Iron galvanized sheet, burnished 0.23 Iron galvanized sheet, oxidized 0.28 Iron tinned Sheet 0.064 Lacquer 3 colors sprayed on Aluminum 0.92-0.94 Lacquer 3 colors sprayed on Aluminum 0.50-0.53 Lacquer Aluminum on rough surface A6700sc/A6750sc User’s Manual...
  • Page 65 Mortar 0.94 Nichrome Rolled 0.25 Nichrome Sandblasted 0.70 Nichrome wire, clean 0.65 Nichrome wire, clean 500-1000 0.71-0.79 Nichrome wire, oxidized 50-500 0.95-0.98 Nickel bright matte 0.041 Nickel Commercially pure, polished 0.045 Nickel Commercially pure, polished 200-400 0.07-0.09 A6700sc/A6750sc User’s Manual...
  • Page 66 0.7-0.8 Paint 0.87 Paint oil, black flat 0.94 Paint oil, black gloss 0.92 Paint oil, gray flat 0.97 Paint oil, gray gloss 0.96 Paint oil, various colors 0.92-0.96 Paint oil based, average of 16 colors 0.94 A6700sc/A6750sc User’s Manual...
  • Page 67 Polyurethane isolation board 0.55 Plastic Polyurethane isolation board 0.29 Plastic PVC, plastic floor, dull, 0.93 structured Plastic PVC, plastic for, dull, structured 0.94 Platinum 0.016 Platinum 0.03 Platinum 0.05 Platinum 0.06 Platinum 0.10 Platinum 1000-1500 0.14-0.18 Platinum 1094 0.18 A6700sc/A6750sc User’s Manual...
  • Page 68 Stainless steel sheet, untreated, somewhat 0.28 scratched Stainless steel sheet, untreated, somewhat 0.30 scratched Stainless steel type 18-8, buffed 0.16 Stainless steel type 18-8, oxidized at 800 °C 0.85 Stucco rough, lime 10-90 0.91 Styrofoam Insulation 0.60 A6700sc/A6750sc User’s Manual...
  • Page 69 >0.1 mm thick 0-100 0.95-0.98 Water Snow Water Snow 0.85 Wood 0.98 Wood 0.962 Wood Ground 0.5-0.7 Wood pine, 4 different samples 0.81-0.89 Wood pine, 4 different samples 0.67-0.75 Wood Planed 0.8-0.9 Wood planed oak 0.90 A6700sc/A6750sc User’s Manual...
  • Page 70 0.88 Wood planed oak 0.77 Wood plywood, smooth, dry 0.82 Wood plywood, untreated 0.83 Wood white, damp 0.7-0.8 Zinc oxidized at 400 °C 0.11 Zinc oxidized surface 100-1200 0.50-0.60 Zinc Polished 200-300 0.04-0.05 Zinc Sheet 0.20 A6700sc/A6750sc User’s Manual...

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