OPERATION MANUAL MIKRON M345X12 Blackbody Calibration Source
Confidential Information The material contained herein consists of information that is the property of LumaSense Technologies and intended solely for use by the purchaser of the equipment described in this manual. All specifications are subject to change without notice. Changes are made periodically to the information in this publication, and these changes will be incorporated in new editions.
Contents 1 General ........................................................................................................................... 5 1.1 1.2 1.3 1.4 1.5 1.6 1.7 2 Introduction .................................................................................................................... 9 2.1 2.2 2.3 2.4 3 Installation .............................................................................................................. 9 Physical Unit Interface.................................
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1 General 1.1 Information about the User Manual This manual provides important information that can be used as a work of reference for installing, operating, and maintaining your Blackbody Calibration Source. It is important that you carefully read the information contained in this manual and follow all safety procedures before you install or operate the system. To avoid handling errors, keep this manual in a location where it will be readily accessible. 1.
1.4 Unpacking and Inspection Save all packing materials, including the carrier’s identification codes, until you have inspected the system components and find that there is no obvious or hidden damage. Before shipment, the system compents were examined and tested. If you note any damage or suspect damage, immediately contact the carrier and LumaSense Technologies, Inc. When unpacking and inspecting your instrument, you need to do the following: 1.
1.6 Shipments to LumaSense for Repair All RMA shipments of LumaSense Technologies instruments are to be prepaid and insured by way of United Parcel Service (UPS) or preferred choice. For overseas customers, ship units air-freight, priority one. The instrument must be shipped in the original packing container or its equivalent. LumaSense Technologies is not responsible for freight damage to instruments that are improperly packed.
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2 Introduction The M345X12 is a large area precision blackbody calibration source for Test and Measurement applications. Designed to satisfy the exacting parameters of infrared focal plane array detectors, thermal imaging and FLIR systems testing in static and moving scene applications, the Mikron M345X Series blackbody calibration sources combine fast slew rates, high emissivity and unchallenged stability and uniformity.
2.3 Tuning Constants The blackbody source was tuned at the factory. The tuning constants are noted below: PID 1 (T<103°C) GAIN (PB) _____ INTEGRAL _______min/repeat DERIVATIVE______min 2.4 PID 2 (T>103°C) GAIN2 (PB) _____ INT2 ___________ DERV2 _________ Specifications Temperature range: 0 to 150.00°C Accuracy (if thermometric): ±0.05°C Accuracy (if radiometric): Refer to NIST traceable calibration report for the uncertainties of the calibration. Display Accuracy NIST Cal: ±0.
3 Operation 3.1 Getting Started 1. Turn on the power switch/breaker and allow 20 seconds for the system to self test. Warning: Do not connect or disconnect cables while power is on. Do not attempt to operate without cables connected. 2. Press the UP/DWN buttons as required to raise or lower the temperature setpoint. To change the setpoint faster, hold the UP or DWN button in. 3.2 Serial Communication The standard M345 is configured for RS232. Refer to the Eurotherm manual.
3.2.1 RS485 Option with RS-485 to RS-232 Converter RS-485 Two wire is available as an option. A typical connection scheme with a converter is shown below: Figure 5: RS-485 for multi-drop applications 3.2.2 Changing the Controller Communication Address The controller has a distinct address. The factory address setting is 1. To change the address: 1. Press PAGE button. The word ACCESS will appear in lower display. 2. Press SCROLL button. LEVEL 1 will appear. 3. Press UP button until LEVEL 3 appears. 4.
3.3 Condensation When the M345 is operated at temperatures below the dew point of its environment, condensation will appear on the surface. The only way to eliminate this is to purge the aperture region with dry nitrogen gas or operate the M345 in a room that has a dew point below the setpoint temperature. 3.4 Uniformity Adjustments The M345 has a trimming adjustment for each cooler/heater row. This model has 4 adjustable cooler/heaters sections.
3.5 Calibration The M345 has a precision RTD monitoring the emitter temperature. A separate measuring well allows insertion of a secondary measuring device for calibration to a customer supplied standard RTD. The well is 4.2mm diameter and about 26mm deep. The easiest way to calibrate is to view uncorrected temperature along with the customer provided primary standard RTD that is used in the secondary well on the blackbody emitter plate. 3.5.
3.6 Emissivity When measurements are required at wavelengths other than the one used for factory radiometric calibration, or if the calibration was done thermometrically (see above), the graph below provides emissivity vs. wavelength for this model. Integrating over the wavelength region of interest will provide the average emissivity for your measurement. If the blackbody was calibrated radiometrically, the apparent emissivity at 8-14um was normalized to 1.0.
For convenience, the tables below show the expected radiance output vs. temperature (setpoint) for two popular wavelength regions. Note: These tables assume the ambient and background are at 23°C and apply ONLY if your blackbody was calibrated thermometrically. To force the radiance output of a thermometrically calibrated blackbody to desired temperature, simply invert the sign of the ERROR DEG.C and add this number to the blackbody controller setpoint.
4 Appendix 4.
M345X12 Blackbody Manual Appendix 18
