BASE

Spectral Photometry

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Color Your Light the Way You Want It Mavospec Base – Light RedefinedLight orchestrates space and determines how it effects the observer. Light gener-ates an atmosphere of suspense, supports the impulse to buy, increases produc-tivity, creates a sense of security or simply invites people to linger – just a few of the demands that have to be met through the successful use of light.

The development of LEDs with high luminous efficacy, and thus outstanding energy efficiency,

has opened up new creative options for lighting design, but at the same time it represents a

great challenge with regard to the achieved light effect.

Decisive Factors for Lighting Design The emitted light spectrum of an LED has entirely different characteristics than those of previ-

ously utilized light sources. LED brightness and color vary due to the manufacturing process.

Daylight, incandescent light bulbs and halogen lamps achieve the highest color rendering index of

100 – a value which can’t be reached at the moment with LED lamps. In addition to this, various

manufacturing lots of LEDs demonstrate distinct differences, so that even when LED lighting is

used exclusively, blended light environments occur which can no longer be adequately evaluated

by means of previously used measurements for the determination of light color and illuminance.

Successful Light Qualification An extended measurement of light quality is becoming more and more important for the im-

plementation of lighting concepts. Whereas with conventional lighting technology it has been

sufficient in the past to check illuminance and luminance, today it’s also necessary to take

spectrum, chromaticity, color temperature, color rendering index and flicker into consideration.

The Mavospec Base ascertains all of the relevant factors of your light and provides you with the

assurance that all of your requirements are being fulfilled. The compact, high-quality spectrom-

eter qualifies your light with high levels of precision, reads out the results clearly and concisely

at the color display and documents the measured values – day after day for all light sources.

WHAT’S THE COLOR OF SUCCESS?

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WHAT’S THE COLOR OF CURIOSITY?

Perfect Light for Every Requirement Mavospec Base – Documented SecurityThe qualification of light is becoming a decisive factor for more and more industry sectors. The Mavospec Base provides you with precision support for your require-ments – from individual light sources right on up to the efficient evaluation of lighting situations.

LAMP DEVELOPMENT & MANUFACTURING

Process monitoring and quality assurance

by means of random samples and storage of

ascertained values for evaluation and incor-

poration into test systems via open interfaces.

INTERIOR DESIGN, LIGHTING DESIGN

Selection and coordination of various light

sources, verification of the results of planning

programs such as DIALux.

MEDICAL TECHNOLOGY

Testing of illuminance and color rendering

according to room classifications for dental

treatment rooms and dental laboratories.

WHOLESALE AND RETAIL

Quality assurance by means of examination,

verification, comparison and evaluation of the

light and color quality of various light sources,

and light sources from various suppliers.

ELECTRICAL INSTALLATION

Examination of supplied and installed lamps

with regard to light and color quality, as well

as for homogenous light color conformity.

HUMAN CENTRIC LIGHTING RESEARCH

Adjustment and examination of brightness

and color temperature during the course of

the day in order to determine the biological

influence of light on people.

SHOP LIGHTING – Optimization of light in order to meet requirements for the presentation of

goods in the foods retailing sector and for true-color presentation of textiles and leather goods.

WORKPLACE LIGHTING – Perfect color rendering for exacting demands placed upon color selec-

tion and color monitoring in the graphics and chemicals industries, for hair care and cosmetics,

as well as for processing wood, ceramics, textiles, leather goods and jewelry.

PUBLIC LIGHTING – Assurance of standards-compliant lighting for streets and public areas during

the course of renovation, as well as where lighting is changed over to LED lamps.

EXHIBITIONS, MUSEUMS, LIBRARIES – Checking for adequate lighting and color rendering.

Evaluation of the spectrum with regard to spectral components which might cause damage.

STUDIO, STAGE AND FILM LIGHTING – Coordination of various light sources, white balancing,

evaluation of color rendering.

MONITORS, PROJECTORS, LARGE-FORMAT SCREENS – Examination and calibration of color

rendering, determination of displayable color space, color coordination for replacement parts.

PLANT LIGHTING – Checking which part of the light is perceived as a photosynthetically ef-

fective part.

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BASE

Precision Measurement and Intelligible Qualification Mavospec Base – the Innovative SpectrometerWe developed the Mavospec Base in order to make precise and easy photometry possible for everyone – whenever and wherever you need it. All measured quanti-ties which are relevant for light such as illuminance, correlated color temperature, color rendering index according CIE 13.3 and IES TM-30-15, color coordinates in accordance with various CIE standards, flicker, spectral power distribution, peak wavelength and dominant wavelength are determined for the measured spectrum and displayed such that they can be understood by experts as well as laypersons.

Mavospec Base – Developed to Optimize Your Light

INTUITIVE ONE-HAND OPERATION – With the help of the ring controller and just a few keys.

BRILLIANT COLOR DISPLAY – for perfect read-outs under all lighting conditions and lucid eval-

uations directly at the display.

OUTSTANDING MEASURED VALUE STABILITY – by means of a large temperature range resulting

from an integrated temperature sensor and automatic temperature compensation of the dark

current.

PHOTOMETRIC AND RADIOMETRIC CALIBRATION – with calibration report for verifiably perfect

results.

INVESTMENT SECURITY – thanks to top quality made in Germany and a 3-year guarantee, as well

as the ability to install updates via the USB port for new features and changes to the standards.

Simple Comparison Measurement - to Detect DeviationsWith the reference mode, the data of two light sources can be compared with each other. For

this purpose, first it is necessary to measure the light source to be used as a reference and

to store the measurement result in the device. Then activate the reference mode and load the

saved file as a reference. Each subsequent measurement is compared with the reference and

the deviation is displayed.

WHAT’S THE COLOR OF JOY?

In the reference mode, only the Spectrum, Report and CIE windows are available.

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WHAT’S THE COLOR OF DESIRE?

Many factors determine how your light is perceived.Spectral power distribution, color temperature, illuminance and other factors make light unique in each given situation. The Mavospec Base ascertains all relevant values, so that you can optimize your light for any specified requirements.

SPECTRAL POWER DISTRIBUTION – represents the radiant power of a light source for a wavelength

or a waveband in the visible range. It provides us with information about color characteristics

and can be used to compare the color temperature of different light sources. Information can be

inferred from this regarding color rendering properties, because missing or attenuated portions of

the spectrum result in color rendering errors. Abbreviation: SPD, unit of measure: mW/m2/nm)

COLOR COORDINATES – are a means of precisely defining a color, i.e. a color’s chromaticity as

specified by the coordinates of the CIE diagram. The human eye is equipped with sensory cells for

the perception of the three primary colors, namely red, green and blue. Photopic curves for the

standard observer were ascertained in 1931 by the CIE and indicate sensitivity for the individual

wavelength ranges. Abbreviations: x, y [CIE 1931] / u, v [CIE 1960] / u', v' [CIE 1976]

ILLUMINANCE – indicates with how much intensity a surface is illuminated. It amounts to one

lux when a luminous flux of one lumen illuminates a surface of one square meter. Luxmeters are

used to measure illuminance at horizontal and vertical surfaces. However, illuminance does not

indicate the brightness impression of a room, because this depends to a great extent on the room’s

reflective characteristics. As a rule, uniform light distribution is not achieved with normal lighting,

for which reason specifications in the standards usually make reference to mean illuminance This

value is calculated as the weighted arithmetic mean of all illuminance values in the room.Abbreviation: E, unit of measure: lux

COLOR TEMPERATURE – is a function which is used to quantitatively specify the respective color

impression of a light source. The unit of measure for color temperature is degrees Kelvin (K). In

concrete terms, it’s the temperature whose light effect is most similar to the color to be described

at uniform brightness under specified observation conditions. Abbreviation: CCT, unit of measure: Kelvin [K]

FLICKER – is the designation for fluctuation in the brightness of the light due to voltage fluctuation.

The perception threshold for changes in luminance is a frequency-dependent quantity which

indicates as of which relative change in luminance at a specified frequency perception takes

place. These fluctuations have an impact on human health. A good LED driver smooths out voltage

fluctuation and prevents flicker. The flicker value is a measure for the quality of the lamp or light

fixture, and should be as low as possible. Abbreviation: F%

THE COLOR RENDERING INDEX – Ra is a measure of the

color rendering properties of lamps and has a theoretical

maximum value of 100. The higher the color rendering in-

dex, the better the color rendering properties of the lamp.

Color rendering which is as natural as possible is achie-

ved through the use of lamps with an Ra value of greater

than 90. Ra is the arithmetic mean of the color deviation

of the first 8 of 14 test colors according to DIN 6169. An

extension to this is the color rendering index Re, which is

calculated over all 14 test colors and the additional test

color 15 (Asia Skin Color), which also takes into account

saturated colors, leaf green and skin tones. DIN EN 12464

specifies the color rendering properties of lamps used to

illuminate various types of rooms and activities.

Abbreviation: Ra

GAMUT AREA INDEX – is a measure of the

vividness of the color representation and is

used primarily in the evaluation of exhibiti-

on and museum lighting. It is an indicator

of how well the octahedral surface defined

by the eight test colors of the Ra in the

color space is covered by the light source.

COLOR RENDERING IES TM-30-15 –

is a new standard that makes use of

99 reference colors which are distri-

buted over the entire color space. As

a result, it makes use of significantly

more colors and hues for the calcu-

lation of fidelity index Rf, which de-

scribes the same relationship as color

rendering index Ra. Gamut index Rg

provides information concerning color

saturation and color shift, and is si-

milar to gamut area index GAI used

previously for the examination of color

rendering.

low Ra high Ra

low GAI false and pale colors

correct but pale colors

high GAIfalse and intense colors

natural colors

GAI Rf,Rg

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Plants perceive light very differently than people.Humans and many other creatures perceive light differently than plants. The eye is differently sensitive to visible radiation depending on the wavelength. In daytime or photopic vision, the light sensitivity curve V (ʎ) applies. All photometric measures, which include lumens, lux and cd / m², reflect the brightness impression of humans in daytime vision. That means the spectrum of the light is evaluated with the light sensitivity curve V (ʎ). The fundamental problem in using normal illuminance or luminance meters to measure plant illumination is the undervaluation of blue (400-500 nm) and red (600-700 nm) light in the visible spectrum.

In these area humans have only a reduced sensitivity, but especially plants use blue and red

light intensively for photosynthesis. The above-mentioned photometric measurements are

therefore not suitable for the assessment of plant lighting.

The photosynthetic active radiation PAR is the proportion of electromagnetic radiation from

400 nm to 700 nm of the visible light spectrum, which drive photosynthesis. The amount

and the spectral composition of the PAR light are essential parameters for the assessment

of horticulture lighting systems. Thus, the respective effect of the horticulture lighting on

growth, flowering and taste of each plant can be separately assessed and adapted.

WHAT'S THE COLOR OF PLANTS?

SPECTRAL POWER DISTRIBUTION – Represents the radiant power of a light source for a wave-

length or a waveband. It provides a first indication of whether and with what intensity the wave-

length ranges required for plant growth are available. The photosynthetic photon flux density PPFD

can be derived from this.

Abbreviation SPD, unit of measure mW/m²/nm

PHOTOSYNTHETIC PHOTON FLUX DENSITY – is a measure of the amount of PAR that is actually

available to plants. It represents the number of photosynthetically active photons falling on a gi-

ven surface every second. The total PPFD (400 - 700 nm) is determined and divided into PPFD_

Blue (400 - 500 nm), PPFD_Green (500 - 600 nm), PPFD_Red (600 - 700 nm). In addition to

the PAR range, PPFD_UV (380 - 400 nm) and PPFD_FR (700 - 780 nm) are also determined. Abbreviation PPFD, unit of measure µmol/m²s

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The included Excel evaluation includes 6 standard reports which users can adapt to their own individual needs.

DOCUMENTED LIGHT QUALITY

Quality Assurance with Documented Measurement ResultsThe Mavospec Base either stores the measured values on the integrated micro SD card at the touch of a button or automatically and is recognized as a removable data medium when connected to a computer. The measurement files saved in CSV format can be easily opened, copied, moved or deleted.

Flexible Protocol Creation The included Microsoft Excel template “Auswertung Vx.xx.xlms” provides various sample tem-

plates for reports. The individual elements can be adapted as desired, and new templates can

be created. They access the “Data” spreadsheet, into which the stored measured value files

can be read in automatically after clicking a button, or a measurement can be started with the

connected meter. The reference comparison worksheet can additionally read in a measurement

as a reference and then all read or executed measurements are compared with this reference

and the deviations are displayed. The report can then be saved as a PDF file by clicking a button.

Continuous Recording Das EXCEL template „Datenlogger Vx.xx.xlsm“ provides a data logger function. Either individual

measurements or continuous measurements with adjustable measuring interval can be carried

out and stored in the data worksheet. The respective spectral curve appears in the graphic display

and below the positions are displayed in the CIE 1931 and CIE 1976 color space. The datalogger

can be used in conjunction with the measuring device to record the measured values over the

course of the day, which is particularly advantageous when checking luminaires or systems of

biologically effective lighting (Human Centric Lighting) or in greenhouse lighting.

Simple System IntegrationThe open protocol for device control and data communication permits incorporation into the

user’s own applications. As long as the meter is connected to the PC, it’s supplied with electrical

power via the USB port and is not switched off.

ZIP CityAddressCompany

First, last name of inspector Phone number

Measurement protocol

780 0,00

4,13740mW/m²/nm[nm]

1,87760

Date

5,59

13.11.201809:26:32

Measurement file:

Time of measurement:Date of measurement:

Test object:

20,98

450 79,03455

R2R3R4

550 468,30

415

430

56,2

= 81,8

R5R6

510 26,15515 21,61

3,31

R12 =

33,0525,10

735555273,22435 495 134,71

420 540 453,93 660 33,40

675 18,12

665 30,23670 23,51

175,09182,64

82,34505 42,85

[nm] mW/m²/nm

475 59,62

545 665,34

525 26,15530 51,50535 166,77

465 67,35470 61,55

480485 161,87

76,80460

198,68445 82,00

mW/m²/nm4,382,54

[nm]

46,21108,65

500

490

3,146,52

46,87

53,55

72,70

88,39

520

[nm]

565

mW/m²/nm560 68,55

45,16

650

R10 = 51,1

405

380

410

40097,37

[nm]

385

R15

390395

=

[nm] mW/m²/nm440

37,60

695 17,99700 21,24705 45,57

530,33

40,88655 35,92

635 92,41640 48,66

215,42 645 39,00214,51

4,25725730

0,39530,3900

0,22950,5095

0,22950,3396

= 78,6= 98,00,13

41,4 %

578 nm545 nm

[nm] mW/m²/nm680 19,34685 23,49690 23,13

720 12,67

745 3,74750 2,70755

=

765 1,85

71,9

Dominant wavelengthPeak wavelength

69,6

Percent FlickerFlicker index

Flicker frequency TM30

770 3,30775 0,00

Rf

u'v'

uv

1,00

Rg

710 60,77715

615 523,08

620 271,01625 181,38

595 168,95600 144,21605 248,24

96,38580

570 51,13575

630 151,71

590

mW/m²/nm

610

==

R1

167,34585

100,00 Hz

R7

=

0,0020

==

PPFD[µmol/m²s]

176,51

3.722 K87,383,878,8

90,1

13.740,08 lx

35,60 %

Ra39,500 W/m²

Test location,

R13 = 95,1R14 = 73,7

======

R11 = 71,3

R8= 89,2

=R9 4,3=

425

Fluorescent tube.CSV

IlluminanceEeLER

correlated color temperature (CCT)Duv

Saturation

Philips

CIE1960

CIE1976

CIE1931xy

Master TL-D Super 8036W/840

93,191,861,1 347,8 lm/W

Re = 73,1GAI =

0

100

200

300

400

500

600

700

380 430 480 530 580 630 680 730 780

mW/m²/nm

[nm]

CompanyAddressZIP City

Test location, Date

Measurement file: Fluorescent tube.CSVDate of measurement: 13.11.2018Time of measurement:

Test object: PhilipsMaster TL-D Super 8036W/840

First, last name of inspector Phone number

Measurement protocol

615 523,08

3,31740

214,51595 168,95600 144,21605 248,24610 530,33

465470475480

182,64134,7182,34

420425430435440445450455460

485490495500

42,8526,1521,6120,9826,1551,50

560 68,55565 45,16570 51,13

67,3561,5559,6288,39

161,87

30,23

620 271,01625 181,38630 151,71

380[nm]

385390395400405410415

505510515520525530

mW/m²/nm4,382,543,146,52

46,8797,3753,5525,1033,0546,21

108,65273,22198,6882,0079,0376,8072,70

19,34685 23,49

[nm] mW/m²/nm535 166,77540 453,93545 665,34550 468,30555 175,09

635 92,41

575 96,38580 167,34585 215,42590

735

760

645 39,00650 40,88655 35,92660 33,40665

770

640 48,66

670 23,51675 18,12680

mW/m²/nm690 23,13695 17,99700 21,24705 45,57

[nm]

60,77715 37,60720 12,67725 5,59730 4,25

710

4,13745 3,74750 2,70755 1,00

1,87765 1,85

3,30775 0,00780 0,00

[nm] mW/m²/nm [nm] mW/m²/nm [nm] mW/m²/nm [nm] mW/m²/nm

09:26:32

0

100

200

300

400

500

600

700

380 430 480 530 580 630 680 730 780

mW/m²/nm

[nm]

First, last name of inspector

Fluorescent tube.CSVDate of measurement: 13.11.2018

09:26:32

Phone number

Time of measurement:

Measurement file:

AddressZIP City

Test location, Date

Measurement protocolTest object: Philips

Master TL-D Super 8036W/840

Company

0

100

200

300

400

500

600

700

380 430 480 530 580 630 680 730 780

mW/m²/nm

[nm]

0

0,2

0,4

0,6

0,8

0 0,2 0,4 0,6 0,8

y

x

CIE1931

0

0,2

0,4

0,6

0 0,2 0,4 0,6

v

u

CIE1960

0

0,2

0,4

0,6

0 0,2 0,4 0,6

v'

u'

CIE1976

0 20 40 60 80 100

R15R14R13R12R11R10

R9R8R7R6R5R4R3R2R1Ra

CRIRa

R1

R2

R3

R4

R5

R6

R7R8

R9

R10

R11

R12

R13

R14

R15

CRI

Test location, Date First, last name of inspector Phone number

Flicker frequency 100,00 HzPercent Flicker 41,4 %Flicker index 0,13

ZIP City

36W/840 Time of measurement: 09:26:32

CompanyAddress

Master TL-D Super 80 Date of measurement: 13.11.2018

Measurement protocolTest object: Philips Measurement file: Fluorescent tube.CSV

0

5000

10000

15000

20000

25000

0 10 20 30 40 50 60 70

E

[ms]

0,1

1

10

100

1 10 100

%

Hz

IEEE 1789

First, last name of inspector Phone number

Time of measurement:

Test object: PhilipsMaster TL-D Super 8036W/840

Measurement file:

CompanyAddressZIP City

Test location, Date

Measurement protocolFluorescent tube.CSV

Date of measurement: 13.11.201809:26:32

0

100

200

300

400

500

600

700

380 430 480 530 580 630 680 730 780

mW/m²/nm

[nm]

0

20

40

60

80

100

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

R fby

Hue

Hue bin

Fidelity-Index

-15

-10

-5

0

5

10

15

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Chro

mas

hift

by H

ue [%

]

Hue bin

Chromashift

referencemeasurement

60

70

80

90

100

110

120

130

140

50 60 70 80 90 100

R g

Rf

Time of measurement: 09:25:31

Test object:

CompanyAddressZIP City

Measurement file: Fluorescent tube.CSVDate of measurement: 13.11.2018Time of measurement: 09:26:32Reference file: Halogen Lamp.CSVDate of measurement: 13.11.2018

-21,2TM30 Rg 100,2 98,0 -2,2

36W/840

-8,0

Ra

Phone number

Measurement protocol

4,351,171,356,295,173,790,1

measurement13.740,08 lx

3.722 K

578 nm545 nm

69,6

-28,3-43,2

-38,7

measurement

TM30 Rf

PhilipsMaster TL-D Super 80

reference Δ

-48,3

-20,9-10,7 Saturation 56,6%

81,899,8 -17,9

99,5

First, last name of inspector

99,8 78,6

R2-6,6

100,099,799,2

93,191,861,187,3

99,3

99,799,899,899,799,799,7

-30,1-94,9

R14R15

R1

R12R13 99,7

99,999,7

Test location, Date

-26,2-9,5

-4,6

GAI 53,3 71,9 18,6Re 99,7 73,1 -26,6

347,8 lm/W 194,8 lm/W

-779,5 lx

99,7

83,878,889,2

R10R11

R5-12,4-15,8

35,6%

R4R3

R8R9

R6R7

Δ

Ee 94,9 W/m²

0,0020 0,0022

-21,0%

583 nm780 nm

reference14.519,6 lx

Dominant wavelengthPeak wavelength

Illuminance

correlated color temperature (CCT)Duv -0,0002

885 K2.837 K

-5 nm-235 nm

39,50 W/m² -55,4 lxLER 153,0 lm/W

PPFD [µmol/m²s]PPFD UV [µmol/m²s]PPFD Blue [µmol/m²s]PPFD Green [µmol/m²s]PPFD Red [µmol/m²s]PPFD FR [µmol/m²s]

289,8 176,5 -113,31,5 0,6 -0,9

26,0 37,4 11,485,2 75,8 -9,4

178,6 63,4 -115,3219,5 6,0 -213,6

0

100

200

300

400

500

600

700

380 430 480 530 580 630 680 730 780

mW/m²/nm

[nm]

referencemeasurement

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Precision comes from experience, know-how and perfect calibration at regular intervals.We are the experts for the measurement of light with decades of experience in our chosen field of endeavor. It’s not without reason that the name GOSSEN stands for continuous innovation – in response to rapidly changing technologies, regulations and markets. And thus the Mavospec Base with intuitive user interface is one of the most accurate and reliable spectrometers in its class, and reflects the most up-to-date technology available on the market.

However, like all other precision light meters, this product also requires regular maintenance,

recalibration and software updates in order to continuously fulfil performance capabilities within

the stipulated tolerances and specifications.

Calibrated for the Most Exacting Demands We recommend a calibration interval of 12 to 24 months for the Mavospec. Recalibration is

conducted at the GOSSEN Light Lab with a tested and monitored optical bench, whose trace-

ability to the national standard maintained by the PTB (German Federal Institute of Physics and

Metrology) is assured by means of a Wi41G standard lamp. The lab is subject to test equipment monitoring in accordance with DIN EN ISO 9001:2015, and is additionally accredited for illuminance

by DAkkS in accordance with DIN EN ISO/IEC 17025:2018. This assures top quality calibration

with international recognition.

IDENTICAL LIGHT COLOR DAY AFTER DAY

Model: MAVOSPEC BASE

Article number: M521G

PHOTOMETRIE

Applications Daylight, LEDs, halogen and more

Illuminance Evis 10 lx … 100,000 lx

Irradiance Ee •

Luminous Efficacy Ratio LER •

Color temperature CCT 1,600 K … 50,000 K (Duv ≥ – 0.1)

Color temperature difference relative to the Planckian locus Duv

(1,600 K ≤ CCT ≤ 50,000 K)

Color Rendering IES TM-30-15 Rf, Rg

Color rendering index CRI per CIE 13.3 Ra, Re, R1 … R15

Gamut Area Index GAI •

Peak wavelength •

Dominant wavelength per CIE 15 •

Color purity per CIE 15 •

Chromaticity coordinates [x‘,y‘] per CIE 1931

•

Chromaticity coordinates [u‘,v‘] per CIE 1976

•

Chromaticity coordinates [u,v] per CIE 1960

•

Flicker – Index0.00 … 1.00 (f ≤ 400 Hz and Flicker % ≥ 1 %)

Flicker – % 1 % … 100 % (f ≤ 400 Hz)

Flicker – frequency2 Hz … 6,000 Hz (Flicker % ≥ 1 %)

Configurable measured value display •

Reference mode measurement - reference = delta

Selectable Units Of Measure lx / °C – fc / °F

OPERATION, INTERFACES, MEMORY

Display 2.1" color TFT 320 x 240

Controls 3 keys, ring controller

Interface USB 2.0

Interface protocol open

Data storage4 GB micro SD / 500,000 measurements

Memory mode Manual, auto

Data format CSV

PHOTOSYNTHETIC PHOTON FLUX DENSITY

PPFD 400 … 700 nm •

PPFD_UV 380 … 400 nm •

PPFD_Blue 400 … 500 nm •

PPFD_Green 500 … 600 nm •

PPFD_Red 600 … 700 nm •

PPFD_FR 700 … 780 nm •

Sensor CMOS image sensor, 256 pixels

Diffusor light-entry surface Φ 7 mm

Distance diffuser to surface to be measured 25 mm

Error limit - cos ike rating (f2')) ≤ 3.00 %

Spectral range 380 - 780 nm (VIS)

Full width at half maximum (FWHM) ≤ 15 nm (typically 12 nm)

Physical resolution ~ 1.72 nm

A/D converter 16 bit

Wavelength reproducibility ± 0.5 nm

Integration timeautomatic, manually 10 ms – 3,000 ms

Signal-to-noise ratio 1,000:1

Spurious light -25 dB

Dark current compensation automatic via temperature sensor

Measurement uncertainty illuminance* ± 3 %

Reproducibility chromaticity* ± 0.0005

Measurement uncertainty CCT* ± 2 %

Measurement uncertainty TM30* ± 1.5 %

Measurement uncertainty CRI* ± 1.5 %

Measurement uncertainty Flicker* ± 1.5 %

OPTIONAL ACCESSORIES

Replacement batteryLi-Ion 3.7 V - 890 mAh Article number V070A

Calibration CertificateFactory calibration certificate Article number H997S

MISCELLANEOUS

Mains power pack100 - 240 V (50/60 Hz) 0.15 A 5 V, 1 A (DC) USB port

Power supply via USB port •

Rechargeable battery Li-Ion 3.7 V - 890 mAh

Automatic shutdown Programmable for display + device

Rechargeable battery life ≥ 8 hours continuous operation

Charging time with power pack 1.5 h

Operating temperature 5 - 40 °C

Dimensions [H x W x D] 139 mm x 60 mm x 30 mm

Weight 150 g

Scope of delivery Meter, sensor cover cap, V070A rechargeable battery, power pack, USB interface cable, aluminum case, neoprene sheath, carrying strap, cali-bration protocol, operating instructions in German and English, 4 GB micro SDHC memory card including EXCEL file with several protocol templates and operating instructions in German, English, French, Italian, Spanish as PDF, SD adapter

Subject to change without notice • included function

*Standard light type A, 2,856 K @ 1,000 lx

SENSOR TECHNOLOGY / MEASUREMENT TOLERANCES

BASEFoto- und Lichtmesstechnik GmbH

Lina-Ammon-Str. 22

D-90471 Nürnberg

Germany

Tel: +49 (0) 911 800621 – 0

Fax: +49 (0) 911 800621 – 29

www.gossen-photo.de