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Ethos 4420 Manual

Multi-functional light meter
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Summary of Contents for Ethos 4420

  • Page 2: Table Of Contents

    Table of Contents Table of Contents………………….……..……..1 Introduction……………..………………..……3 Limited Warranty, Rights and Responsibilities….4 Open-package inspection…………….…………4 Safety information………………………………5 1 Introduction……………………….…………8 1.1 Product description……………….…..……..8 Outstanding features of MS6612 multi-function light meter…………………..……. 1.3 Name and function of components………...10 lan view ……………………………..………. 2 LCD display interface…………….……...11 2 Measurement methods……………………..12 2.1 Notices prior to measurement……………...12 2.2 Action principles………………..………….13...
  • Page 3 3 Specific Application……………….………17 3.1 Application of manual switchover of range measurement mode………..…….17 Application of relative/peak value measurement mode…………..…………..….19 pplication of maximum/minimum value inquiry mode………………..………21 pplication of data hold and zero calibration mode…………..………………22 4 Other Functions……………………………24 4.1 Auto power-off…………………………….24 5 Technical Data……………..………………25 6 Maintenance and Service………….……….27 6.1 Service……………………….…….………27 6.2 Cleaning…………………………..….…….27...

  • Page 4: Introduction

    Introduction Thank you for your purchase of the ETHOS 4420 multi-functional light meter. This meter will, with proper use, provide years of reliable service; therefore, it is recommended that the user read carefully the user’s manual before using the light meter and keep it in right...

  • Page 5: Limited Warranty, Rights And Responsibilities

    Dealers are not authorized to extend the warranty coverage on ETHOS’s behalf. During the applicable limited warranty period, the user may contact the nearest ETHOS service center to obtain approval of information, and send the product to the center along with fault description.

  • Page 6: Safety Information

    Do not use the light meter in the environment full of dusts or having gas substances and flammable steam substances! Safety mark description This manual contains basic information for 4420 safety operation and maintenance. Please read carefully following safety information before use. Table 1: Safety information...
  • Page 7 Operation considerations User should observe the following notices to guarantee safe operation obtain optimum performance. 1: Preliminary check Before initial use, please check if the light meter operates normally and if it is damaged during storage and transportation. In case of any damage, please contact the supplier.
  • Page 8 3:Use Notice 1. The operation temperature range for the light meter is -10-50℃ (14-122°F). 2. In order to avoid damage, especially falling accidents, handling and use should be avoided during severe mechanical vibration. 3. The light meter can only be calibrated and repaired by professional personnel.

  • Page 9: Introduction

    Tips 1. The sensibility of the optical detector will be lessened due to operation conditions or time. It is recommended to make periodic calibration to maintain the basic accuracy. 2. Please keep original package for future mailing (such as for light meter calibration). 1 Introduction 1.1 Product description Whether you are a professional or amateur...

  • Page 10: Outstanding Features Of Ms6612

    The 4420 multi-functional light meter has a friendly human-machine interface and can be activated by a simple press of keys. The buzzer activates upon key press to notify that it is effective.

  • Page 11: Name And Function Of Components

    Low battery indicator; Touch tone and mute function; Auto power-off function (The machine will be powered off automatically keys are not operated for more than 10 minutes) Compact design, durable, and portable. 13 Name and function of components 1.3.1 Plan view Opto-sensor protection cover Opto-sensor LCD display screen...

  • Page 12: Lcd Display Interface

    calibration function. Compound key for relative value and peak value measurement: Relative value measurement: Short press the key to enter/ exit relative value measurement mode. Peak value measurement: Long press for 1 second to enter/exit peak value measurement mode. ⑨ Key for manual range switching: Short press the key for 20.00Lux 200.0Lux...

  • Page 13: Measurement Methods

    7. Prompt for auto measurement mode 8. Prompt for peak value measurement mode 9. Prompt for low battery 10. Prompt for relative value measurement mode 11.12 Prompt for max and min values inquiry 2 Measurement methods 2.1 Notices prior to measurement Warning 1: Do not use the light meter in environments full of dusts or having gas substances and flammable...

  • Page 14: Action Principles

    may be different for the spectrum of other lamps. 3: The reference level of light source test is at the top of the spherical surface illuminated. 4: The optical detector should expose to light for 2 minutes before measurement. 5: Influence of tester's shadow and other factors on the optical detector should be avoided.

  • Page 15: Typical Practice Cases

    2-1. Press and hold the 4420 power key ④ for a short time to power on the light meter. The LCD screen will illuminate （...
  • Page 16 the LCD interface, indicating the activation of the relative value measurement mode. Press and hold the key ⑧ for a short time again, the device will exit the relative value measurement mode and return to the original measurement mode, and “REL” on the top left position of the LCD interface will disappear;...
  • Page 17 and hold data hold/zero calibration key ⑦ for one second, “ADJ” will appear on the LCD interface, and the device will enter the zero calibration mode: several seconds later “ADJ” will disappear from the LCD interface, and the device will exit the data hold mode and return to auto measurement mode.

  • Page 18: Specific Application

    Figure 2-1 3 Specific Application 3.1 Application of manual switchover of range measurement mode Press and hold the RAN key (range manual switchover key) for a short time, “MANU” will appear on the top left position of the LCD interface, and the meter will enter the manual switchover measurement mode (as shown in figure 3-1-1);...
  • Page 19 20000Lux—>200000Lux (or 20.00Fc—>200.0 Fc—> 2000 Fc—>20000 Fc) in sequence; Press and hold RAN key for one second, “MANU” on the top left position of the LCD interface will disappear, and “AUTO” will appear in middle of LCD interface, and manual range switchover function will exit and the device will return to auto range switchover mode;...
  • Page 20 200.0Lux interface 2000Lux interface 20000Lux interface 200000Lux interface Tips 1: Only in peak value measurement mode, relative value measurement mode and max/min value inquiry mode, it will be effective to press RAN key for a short time. 2: In relative value measurement mode and max/min value inquiry mode, press and hold the key for one second, it will return to auto switchover of range.

  • Page 21: Application Of Relative/Peak Value Measurement Mode

    over-range, and the user should switch over the measurement range at this time. Application of relative/peak value measurement mode Press and hold REL/PEAK key for a short time (composite key for relative/peak value measurement), “REL” will appear on the top left position of the LCD interface (as shown in figure 3-1-2A), and the device will enter the relative value measurement mode;...

  • Page 22: Application Of Maximum/Minimum Value Inquiry Mode

    Figure 3-1-2A Figure 3-1-2B Figure 3-1-2C 1: Only in auto measurement mode, peak value measurement mode, max/min value inquiry mode and data hold mode, it will be effective to press and hold REL/PEAK key for a short time. 2: In non-zero calibration mode, press and hold “REL/PEAK”...
  • Page 23 “MAX” will appear on top LCD interface (as shown in figure 3-1-3); In max/min value inquiry mode, press “MAX/MIN” key once, you will switch MAX to MIN or MIN to MAX; Press and hold “MAX/MIN” for one second, “MAX/MIN” on top LCD interface will disappear, and the max/min value inquiry mode will exit.

  • Page 24: Application Of Data Hold And Zero Calibration Mode

    3.4 Application of data hold and zero calibration mode Press and hold “HOLD/ZERO” key for a short time, “HOLD” will appear on the top left position of the LCD interface (as shown in 3-1-4A), then the device will enter the data hold mode; Press and hold the key again, “HOLD”...
  • Page 25 Figure 3-1-4A Figure 3-1-4B Tips In non-zero calibration mode, press and hold “HOLD/ZERO” key for a short time to enter the data hold mode. Zero-calibration can be made in any mode.

  • Page 26: Other Functions

    4 Other Functions 4.1 Auto power-off If there is no action on keys of the MS6612 for a long time, the meter will automatically power off about 10 minutes later.

  • Page 27: Technical Data

    5 Technical Data Temperature range: Operation:-10～50 C, max 80 % HR（Non-Condensed） Storage:-10～50 C，max 80 % HR (Non-Condensed) (removing batteries) Sampling rate: ≥2 times/s。 Display: 3½ digits, max reading of 1999, with analog bar display; Sensor: silicon photoelectric diode Measured spectral range: 320～730nm Measurement ranges: 20, 200, 2000, 20000, 200000 Lux 20, 200, 2000, 20000 FC Operating environment: indoor use...
  • Page 28 Cosine angle deviation characteristics Cosine angle Deviations 30° ±2% 60° ±6% Tips: cosine angle is corrected in accordance with JIS C 1609:1993 and CNS 5119 Grade A General Specification. Luminous sensitivity characteristics:...

  • Page 29: Maintenance And Service

    6 Maintenance and Service 6.1Service Notice When the meter seemingly fails during operation, following steps should be followed to check the fault problem: 1: Check up batteries. If “ ” appears on the LCD display, batteries should be replaced. 2: Refer to the operation instructions to check if operation steps are wrong.

  • Page 30: Battery Replacement

    they will transform or fade the light meter. 3: The light meter can only be used again when it is completely dry after cleaning. 6.3 Battery replacement If the battery symbol appears on the LCD accompanied by buzzer alarm, batteries must be replaced. Batteries should be replaced as follow: Turn off the meter;...

  • Page 31: Calibration Interval

    with skin or clothes, immediately rinse touched parts with clean water; in case of contact of the electrolyte with eyes, immediately rinse eyes with clean water and seek medical advice. Notice 1: The light meter should be turned off before replacing batteries.

  • Page 32: Reference Table For Illumination Standard Of Various Locations

    7 Reference Table for Illumination Standard of Various Locations Fc illuminance value can be got from Lux illumination value divided by 10.6. Schools: Illuminance Locations (Lux) Drafting classroom, sewing classroom, 1500~300 computer classroom Classroom, laboratory, practice workshop, research room, reading room, stack room, office, staff lounge, conference room, 750~200 health center, restaurant, kitchen, pantry,...
  • Page 33 Hall information channel (daytime), 1500~750 parlor, drawing office, punching, typing Calculator room, conference room, printing room, switchboard room, control 750~300 room, reception room, recreation room, restaurant Stack room, entertainment room, dining 300~150 room, lounge, guard room, elevator (passway), washroom, toilet Tea room, changing room, warehouse, 150~75 nightwatchmen office (entrance)
  • Page 34 equipment (loading and unloading, inventory move operation) Hospital: Illuminance Locations (Lux) 10000~5000 Visual function test chamber (ophthalmology light room) 1500~750 Operating room 750~300 Consulting room, treatment room, pharmacy room, prescription room, drug store, dissection room, pathological bacteria room, emergency rooms, maternity ward, dean’s office, offices, nursing room, conference room 300~150...
  • Page 35 Hair salon: Illuminance Locations (Lux) 1500~750 Haircut, perm, hair dyeing, cosmetics Shave, hairdressing, lobby registration 750~300 counter, makeup 300~150 Toilet in salon 150~75 Corridor, stairways Hotel, restaurant, recreation ground: Illuminance Locations (Lux) 1500~750 Counter Halfway, banquet hall, business room, 750~300 parking lot, kitchen Restaurant, toilet, a large Japanese-style 300~150...
  • Page 36 Shop, department store: Illuminance Locations (Lux) Indoor display, decorative window 3000~750 display, demonstration area, checkout counter, packaging table 750~300 Elevator lobby, escalators Discussion room, dressing room, toilet, 300~150 stairs, walkways 150~75 Lounge, general lighting in store House: Illuminance Locations (Lux) 2000~750 Handcraft, tailoring 1000~500...

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