Light Meter

• Sensor used the exclusive photo diode & multi-colour correction filters, spectrum meet C. I. E. standard.
• Sensor COS correction factor meet standard.
• Separate LIGHT SENSOR allows user take measurements of an optimum position.
• Precise and easy readout, wide range.
• High accuracy in measuring.
• Built-in low battery indicator.
• LSI-circuit use provides high reliability and durability.
• LCD display provides low power consumption.
• Compact, light-weight, and excellent operation.
• LCD display can clearly read out even of high ambient light.

• Sensor used the exclusive photo diode & color correction filter, spectrum meet C. I. E. photopic.
• Sensor COS correction factor meet standard.
• Separate LIGHT SENSOR allows user take measurements of an optimum position.
• Precise and easy readout, wide range.
• High accuracy in measuring.
• Built-in low battery indicator.
• LSI-circuit use provides high reliability and durability.
• LCD display provides low power consumption.
• Compact, light-weight, and excellent operation.
• LCD display can clearly read out even of high ambient light.

• Professional, high quality UV meter.
• Ultra-violet irradiation measurement for UVA & UVB.
• UV detector spectrum from 290 nm to 390 nm.
• Hi, Lo measurement range. 19990 and 1999 uW/cm^2.
• Exclusive UV sensor structure.
• Sensor with cosine correction filter.
• Build Zero button.
• Microprocessor circuit provides high reliability and durability.
• Separate UV LIGHT probe allows user to measure the UV light at an optimum position.
• LCD display, easy readout.
• Heavy duty & compact housing case.

• Monitoring blue light radiation hazards in welding.
• UV sterilization
• Graphic arts.
• Photochemical matching.
• UV EPROM erasure.
• Photoresist exposure.
• Curing of inks, adhesives and coatings.

• Weathering " degradation studies."
• UV sterilization
• Virology.
• Microbial genetics.
• DNA research.
• Biologic hoods.
• General laboratory use.

• Measure Range 1: 0-2,000 Lux
• Measure Range 2: 2,000-20,000 Lux
• Measure Range 3: 20,000-50,000 Lux
• Output Range : 4 - 20 mA
• External Adjustment:ZERO VR, SPAN VR
• Power Supply:90-260ACV, 50Hz/60Hz
• Operation Temperature:0-50C, 32-122F
• Operation Humidity:Less than 80% RH
• Accessory Included:Light probe
• Mounting:Din rail or Wall wall
• Case:ABS plastic
• Others:Separate probe with plug.

• Sensor used the exclusive photo diode & color correction filter, spectrum meet C.I.E.photopic.
• Sensor cosine correction factor meet standard.
• Both Lux & Foot-candle measurement, wide range
• Separate LIGHT SENSOR allows user to measure the light at an optimum position.
• High accuracy in measuring.
• LSI circuit provides high reliability and durability.
• LCD display allows clear readout-out even at high ambient light level.
• Built-in low battery indicator.

• Light sensor used the exclusive photo diode & color correction filter, spectrum meet C.I.E. standard.
• Sensor cosine correction factor meet standard.
• Wide range measurement both for Lux & Foot Candle units.
• Four lighting type selection, Tungsten, Fluorescent, Sodium or Mercury light source.
• Zero adjustment by push button.
• Microprocessor circuit.
• Large LCD display.
• Heavy duty & compact case.
• Records Maximum, Minimum and Average readings.
• Data hold.
• Auto power off saves battery life.
• Separate Light Sensor allows user to measure the light at an optimum position.

• Large LCD display with bargraph and indicator.
• Water resistance front panel.
• Use the rubber key for the function select.
• LSI circuit provides high reliability and durability.
• Zero adjusting button.
• Data hold.
• Memory function to display the max. & min display value with Recall.
• Auto power auto off or manual power off.
• Compact size and excellent operation.
• Built-in low battery indicator.
• RS-232 computer serial data output.
• 5 ranges :40.00/400.0/4,000/40,000/400,000 Lux,wide measuring ranges
• High resolution :0.01 Lux to 100 Lux, 0.01 Ft-cd to 10 Ft-cd
• Sensor used the exclusive photo diode & color correction filter, spectrum meet C.I.E. photopic.
• Sensor cosine correction factor meet standard.
• Separate Light Sensor allows user to measure the light at an optimum position.
• Lux & Foot-candle unit selection.

• Long wave 365 nm ultra-violet irradiance measurement.
• Professional, high quality UVA meter.
• Wide measurement range: 199.9 uW/cm^2, 1.999 mW/cm^2 and 19.99 mW/cm^2.
• Microprocessor circuit assures maximum possible accuracy, provided special functions and features.
• Exclusive UVA sensor with correction filter.
• Super large LCD display, easy readout.
• Heavy duty & compact housing case.
• Records Maximum, Minimum reading.
• Data hold.
• Auto power off saves battery life.
• Operates from 9V battery.
• RS 232 PC serial interface.
• Zero adjustment by push button.

• Short wave 254 nm ultra-violet irradiance measurement.
• Professional, high quality UVC meter.
• Wide measurement range: 199.9 uW/cm^2, 1.999 mW/cm^2 and 19.99 mW/cm^2.
• Microprocessor circuit assures maximum possible accuracy, provided special functions and features.
• Exclusive UVC sensor with correction filter.
• Super large LCD display, easy readout.
• Heavy duty & compact housing case.
• Records Maximum, Minimum reading.
• Data hold.
• Auto power off saves battery life.
• Operates from 9V battery.
• RS 232 PC serial interface.
• Zero adjustment by push button.

• Short wave 254 nm ultra-violet irradiance measurement.
• Professional, high quality UVC meter.
• Wide measurement range: 199.9 uW/cm^2, 1.999 mW/cm^2 and 19.99 mW/cm^2.
• Microprocessor circuit assures maximum possible accuracy, provided special functions and features.
• Exclusive UVC sensor with correction filter.
• Super large LCD display, easy readout.
• Heavy duty & compact housing case.
• Records Maximum, Minimum reading.
• Data hold.
• Auto power off saves battery life.
• Operates from 9V battery.
• RS 232 PC serial interface.
• Zero adjustment by push button.

• Professional, high quality UV meter.
• Ultra-violet irradiation measurement for UVA & UVB.
• UV detector spectrum from 290 nm to 390 nm.
• Hi, Lo measurement range. 19990 and 1999 uW/cm^2.
• Exclusive UV sensor structure.
• Sensor with cosine correction filter.
• Build Zero button.
• Microprocessor circuit provides high reliability and durability.
• Separate UV LIGHT probe allows user to measure the UV light at an optimum position.
• LCD display, easy readout.
• Heavy duty & compact housing case.

• Monitoring blue light radiation hazards in welding.
• UV sterilization
• Graphic arts.
• Photochemical matching.
• UV EPROM erasure.
• Photoresist exposure.
• Curing of inks, adhesives and coatings.

• Weathering " degradation studies."
• UV sterilization
• Virology.
• Microbial genetics.
• DNA research.
• Biologic hoods.
• General laboratory use.

• Long wave 365 nm ultra-violet irradiance measurement.
• Professional, high quality UVA meter.
• Wide measurement range: 199.9 uW/cm^2, 1.999 mW/cm^2 and 19.99 mW/cm^2.
• Microprocessor circuit assures maximum possible accuracy, provided special functions and features.
• Exclusive UVA sensor with correction filter.
• Super large LCD display, easy readout.
• Heavy duty & compact housing case.
• Records Maximum, Minimum reading.
• Data hold.
• Auto power off saves battery life.
• Operates from 9V battery.
• RS 232 PC serial interface.
• Zero adjustment by push button.

• Short wave 254 nm ultra-violet irradiance measurement.
• Professional, high quality UVC meter.
• Wide measurement range: 199.9 uW/cm^2, 1.999 mW/cm^2 and 19.99 mW/cm^2.
• Microprocessor circuit assures maximum possible accuracy, provided special functions and features.
• Exclusive UVC sensor with correction filter.
• Super large LCD display, easy readout.
• Heavy duty & compact housing case.
• Records Maximum, Minimum reading.
• Data hold.
• Auto power off saves battery life.
• Operates from 9V battery.
• RS 232 PC serial interface.
• Zero adjustment by push button.

• Wide measuring range, 0 to 20,000 Lux.
• Lux & Foot-candle ( Ft-cd ) unit selection.
• High resolution : 1 Lux, 0.1 Ft-cd.
• Sensor used the exclusive photo diode & color correction filter, spectrum meet
• C.I.E. photopic.
• Sensor cosine correction factor meet standard.
• All in one, meter build in the light sensor, easy operation.
• Microprocessor circuit ensures high accuracy and provides special functions and
• features.
• Data hold, to freeze the desired reading value.
• Auto power off saves battery life.
• Operates from DC 1.5V ( UM4/AAA ) x 4 PCs batteries.
• Light sensor protection cover is the standard accessory.
• Microprocessor circuit ensure high accuracy, and also and also provides special
• functions and features.
• Durable, long-lasting components, enclosed in strong, compact ABS-plastic housing

• Sensor used the exclusive photo diode & color correction filter, spectrum meet C.I.E.photopic.
• Sensor cosine correction factor meet standard.
• Both Lux & Foot-candle measurement, wide range
• Separate LIGHT SENSOR allows user to measure the light at an optimum position.
• High accuracy in measuring.
• LSI circuit provides high reliability and durability.
• LCD display allows clear readout-out even at high ambient light level.
• Built-in low battery indicator.

• Large LCD display with bargraph and indicator.
• Water resistance front panel.
• Use the rubber key for the function select.
• LSI circuit provides high reliability and durability.
• Zero adjusting button.
• Data hold.
• Memory function to display the max. & min display value with Recall.
• Auto power auto off or manual power off.
• Compact size and excellent operation.
• Built-in low battery indicator.
• RS-232 computer serial data output.
• 5 ranges :40.00/400.0/4,000/40,000/400,000 Lux,wide measuring ranges
• High resolution :0.01 Lux to 100 Lux, 0.01 Ft-cd to 10 Ft-cd
• Sensor used the exclusive photo diode & color correction filter, spectrum meet C.I.E. photopic.
• Sensor cosine correction factor meet standard.
• Separate Light Sensor allows user to measure the light at an optimum position.
• Lux & Foot-candle unit selection.

• Light meter probe ( YK-200PLX ) connect with YK-2001TM will become a
• professional Light Meter.
• Sensor uses the exclusive photo diode & color correction filter, spectrum
• meet C.I.E. photopic.
• Two measuring units, Lux & Feet-candle(Fc)
• Separate Light Sensor allows user's measurement at an optimum position.
• Microprocessor circuit assures high accuracy performance available.
• Super large LCD display, easy readout.
• Heavy duty & compact housing case.
• Records Maximum and Minimum readings with RECALL facilities.
• Data hold function.
• Auto shut off prolongs battery life.
• RS 232 PC serial interface.

• Photo Detector: 100(H) X 60(W) X 28(D)mm
• Meter Body : 148(H) X 70(W) X 40(D)mm

• 3 ¾ digital multimeter
• 4000 counts with bar graph 61 segments
• Auto ranging
• USB Computer interface
• Data logging capacity 99
• Automatic power off
• User selectable FC/Lux
• Peak hold
• Battery power indication
• Maximum data hold

• Railways
• Electricity board
• Defence establishments
• Photography industry

• Soft Carrying Case
• Gift Box
• Manual Photo Detector
• USB Cable
• CD Software

• Sensor used the exclusive photo diode & color correction filter.
• Data hold
• Light sensor separate design
• LUX and FC for selection:-
• Range mark (nm) : 400 – 700
• Peak wavelength (nm) : 550
• Offset adjustment
• Size:
  Meter : 148 (L) x 71 (W) x 36 (H) mm
  Light Receiver : 85 (L) x 67 (W) x 32 (H) mm
• Weight :270g

• 3 ranges changeable from low to high illuminance. (200/2000/20000lux)
• Data hold function.
• Digital light meter with separate light receiving sensor and meter.
• Ranges:0.1~19990Lux
• Accuracy (23ºC±5ºC):
• Lux Accuracy
• 200 |±(4% rdg+5 dgt)
• 2000 |±(4% rdg+5 dgt)
• 20000 |±(5% rdg+4 dgt)
• Current Consumption:2mA approx
• Response Time:2.5times / sec.
• Operating Temperature Range:0~50ºC Below 80% RH
• Storage Temperature Range:-10ºC~60ºC
• Angular Incident Light Characteristics:
• 30º Less than ±3%
• 60º Less than ±10%
• 80º Less than ±30%
• Spectral Response Characteristics:JIS C1609 CLASS A
• Power Source:6F22 (9V) × 1

• Meter:148(L) × 71(W) × 36(H)mm
• Light Receiving Sensor:85(L)× 67(W) × 32(H)mm
• Weight:270g

• Carrying Case
• 6F22 (9V)
• Photocell Cover
• Instruction Manual

Technical Data:

• Measure Range 0 ~ 50,000Lux
• Accuracy: ±(4.0%+10)
• Unit:Lux
• Receiving light: Silicon of photo electricity diode
• Low Battery display •
• Power Source 1x9.0V (6F22)
• Standard Accessories : Soft carrying case, Manual
• Dimension :
• Photo Detector : 82(H) x 55(W) x 7(D)mm
• Meter Body : 148(H) x 70(W) x 40(D)mm

• Photo Detector: 106(H) X 57 (W) X 26(D)mm
• Meter Body : 230(H) X 72(W) X 30(D)mm