UPRtek MF250N User Manual And Warranty
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UPRtek MF250N User Manual And Warranty

Flicker meter
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* To ensure your warranty validation, please place your agent's stamp in the box and
fill in the purchase date. If the agent stamp and purchase date cannot be supplied,
the warranty period will based on the manufacturing date of the product.
* 為確保您的權益，請要求經銷商蓋上店章及填寫購買日期；未蓋店章與購買日期者，則以
出廠日期為依據。
* お客様の権利を確保するために、販売店に店の印章または、購入日を記入することを依
頼してください。販売店の印章または購入日のない場合、製造日に基とづいて取り扱い
いたします。
Original / Authorized Agent Stamp
Product Serial Number：
Purchase
Date：
TEL：+886-37-580-885
Website：www.uprtek.com
FAX：+886-37-580-398
Address：No.38, Keyi St., Zhunan Township, Miaoli County 35059, Taiwan, R.O.C
FLICKER METER | FLICKER
V1.4
MF250N
光譜計 | フリッカーメーター
User Manual and Warranty
使用說明書與保固手冊
使用説明書及び保証書

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Summary of Contents for UPRtek MF250N

  • Page 1 If the agent stamp and purchase date cannot be supplied, the warranty period will based on the manufacturing date of the product. * 為確保您的權益，請要求經銷商蓋上店章及填寫購買日期；未蓋店章與購買日期者，則以 出廠日期為依據。 * お客様の権利を確保するために、販売店に店の印章または、購入日を記入することを依 頼してください。販売店の印章または購入日のない場合、製造日に基とづいて取り扱い いたします。 MF250N FLICKER METER | FLICKER 光譜計 | フリッカーメーター Original / Authorized Agent Stamp Product Serial Number： Purchase Date：...

  • Page 2: Table Of Contents

    1.2 Packing Contents ........23 4.1 Product Specification ........25 1.3 Appearance Introduction 4.2 General Attributes 1.4 Annual Product Calibration Appendix Warranty 1.5 Product Notes and Precautions For more operation & firmware update information, please visit www.uprtek.com - 1 -...
  • Page 3 Support Flicker Index, Percent Flicker measurement. ■ Meets IES / ASSIST / ENERGY STAR / VESA specification definition . ■ Standalone operation, no need for smart phone or PC connection . Case MF250N Screen Wiper ■ Light flicker frequency measurement. FLICKER Meter ■ Spectrum diagram including five...

  • Page 4: Appearance Introduction

    1.3 Appearance Introduction 1.4 Annual Product Calibration The MF250N is a high-precision measurement device sensor cover strap holder with sensitive components so to handle with care. To light sensor ensure the accuracy of measurements, it is recommended to have the unit calibrated once a year.

  • Page 5: Product Notes And Precautions

    1.5 Product Notes and Precautions The MF250N FLICKER Meter contains sensitive components. Please unpack with care, as any trauma to the unit may damage the equipment. Contact your agent if the unit appears not to be operating normally. Do not attempt any repairs – all repairs must be performed by qualified service agents.

  • Page 6: Preparing Before Use

    2.1 Preparing Before Use 2.1 Preparing Before Use ■ strap installation ■ installing the micro SD card Insert the memory card according to the direction. ■ battery installation ■ remove the micro SD card Open the battery cover and loaded 4 AA batteries. Press to remove the SD card.

  • Page 7: Quick Start

    2.2 Quick Start 2.2 Quick Start Place the sensor cover on the MF250N. Press directional buttons to select in main menu and then enter the mode by pressing selection button. “ ”selection button “ “directional button” ” Point light sensor towards light source.

  • Page 8: Measurement Mode

    2.2 Quick Start 2.3 Measurement Mode ■ SPECTRUM This screen displays spectrum graphics, λP and I-Time value. ■ BASIC This screen show a list of light measurements record(CCT, CRI, LUX, λP, I-Time). Press the "Selection " button for 2 seconds to save measured data.

  • Page 9: Taking A Measurement

    2.4 Taking a Measurement 2.4 Taking a Measurement Point light sensor towards light source . Press ■ BASIC mode ■ SPECTRUM mode the capture button Steps of measurement in SPECTRUM mode is When press the capture button, the screen will the same as BASIC mode.

  • Page 10: Continuous Measurement

    2.5 Continuous Measurement 2.5 Continuous Measurement Point light sensor towards light source ■ FLICKER ■ LIGHTWAVE ■ FFT These three modes are real-time monitoring. Steps of measurement in FFT and LIGHTWAVE mode are the same as FLICKER mode. The example only describe FLICKER mode. This icon "Capture"...

  • Page 11: Miscellaneous

    3.1 SYSTEM Setting Press direction button to select SYSTEM mode in main menu and then enter SYSTEM Miscellaneous mode by pressing selection button : select the item 3.1 SYSTEM Setting : determines the item selected 3.2 Sytem Reset 3.3 Light Sensor Head Assembly : adjust : confirm the item adjusted : exit the item...

  • Page 12: System Reset

    Please make sure the sensor face to the light before measuring. MF250N is equipped with a detachable sensor head. If necessary, you may connect the meter and the detachable sensor head by the USB typeC cable as shown below, but please connect them only when the meter is powered off.

  • Page 13: Specification

    Sensor CMOS Linear Image Sensor Spectral Bandwidth Approximately 15 nm（half bandwidth） Receptor Size φ6.6± 0.1mm Wavelength range 380~780 nm Integration time range 6~1200 ms Measurement Range 70~70000 Lux Sampling rate 5 K/Sec Frequency range 5~2000 Hz Frequency resolution 5 Hz Measurement Range 30~60000 Lux Standard...

  • Page 14: General Attributes

    (ms) Integration Time of CMOS Figure 1：Cosine Correction Findex Flicker Index Fpercent Flicker Percentage Ideal value MF250N Stroboscopic Visibility Measure Freq (Hz) The Primary Frequency Twave (ms) The Period Time - 24 - - 25 -...

  • Page 15: Appendix Warranty

    Warranty Policy UPRtek provides replacement or repair services to our customers for defective products within the applicable warranty period. 1. DOA (Dead on Arrival) Returns： ■ In the event that you receive a product that is not working properly or is defective, you should notify our service staff upon receipt of the products.
  • Page 16 In this case, ■ Under the maximum allowable range of applicable UPRtek assures customers that it will fulfill it ’ s repair laws and regulations, any business loss, expected andreplacement responsibilities by using substitute cost loss, data disappearance, or any other indirect, parts or components of equal level and quality.
  • Page 17 However, purchasing a new product is advised under these conditions: ■ If the MF250N series or its accessories are no longer available. If the product functionality is almost certain to be ■ impossible to recover from (e.g. total immersion in water, undergoing extreme electrical shock, severe contamination or corrosion damage).

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