YOKOGAWA 51001 Скачать руководство пользователя страница 2 | Manualshive

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CONTENTS

Overview ...................................................................................................... 2
Prior to Use ................................................................................................... 3
Operation ...................................................................................................... 5
Illuminance Measurement .......................................................................... 11

Data Hold ............................................................................................. 12
Timer Hold ........................................................................................... 13
Range Hold .......................................................................................... 13
Deviation Display ................................................................................ 14

Data Output ................................................................................................ 16
Recorder Output (Analog Output) .............................................................. 19
Separation of Light Detector ...................................................................... 20
After-sales Servicing .................................................................................. 21
Specifications ............................................................................................. 22
Characteristics of Relative Visible-spectrum Response ............................. 23
Characteristic of Oblique Incident Light .................................................... 25
Illuminance Measurements for Lighting Installations
(Extract from JIS C 7612 standards) .......................................................... 26

Copyright Nov. 1994 (YG). 5th Edition: Apr. 2007 (KP)

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Содержание 51001

Страница 1: ...RG102 5th Edition Apr 2007 51001 Digital Illuminance Meter User s Manual ...

Страница 2: ...ut 16 Recorder Output Analog Output 19 Separation of Light Detector 20 After sales Servicing 21 Specifications 22 Characteristics of Relative Visible spectrum Response 23 Characteristic of Oblique Incident Light 25 Illuminance Measurements for Lighting Installations Extract from JIS C 7612 standards 26 Copyright Nov 1994 YG 5th Edition Apr 2007 KP ...

Страница 3: ...g excellent functions There are also various functions incorporated in this meter not found in conventional meters a data hold function a timer hold function deviation display an automatic power off function a response selection function and others Refer to the text for details on these respective functions Moreover this illuminance meter provides recorder output and digital data output further ex...

Страница 4: ...here there are corrosive gases Dirt or dust adhering to the light detecting surface decreases measurement accuracy Wipe the surface clean with a soft dry cloth Do not use solvent trichloroethylene paint thinner benzene alcohol etc which may deform the case material or cause the print to peel off To remove stains from the case gently wipe them off with a soft cloth If the instrument is badly staine...

Страница 5: ...extension cable Data output cable AC adaptor Model 3m 30m 3m 120 V DC 9V 220 V DC 9V 910 01 910 02 910 03 940 01 940 02 Note Accessories of non standard Safety standard EN 61010 1 AC adapter Model 94001 Input of 120 V 10 AC Model 94002 Input of 220 V 10 AC EMC standard Light detector extension cable Model 91002 Cable length Approx 30 m Danger of electrical shock When you use the AC adaptor never u...

Страница 6: ... 5 Operation Components Cap Light detector Light detecting surface Display area Main unit Power switch key Range key Hand strap Data output connector AC adaptor input Figure 1 Components ...

Страница 7: ... 6 Measuring reference plane indication Tripod mounting screw Recorder output connector Hold switch Eject button Rating nameplate Battery cover Response selector switch ...

Страница 8: ...ted value and set value Indicates meter in automatic power off mode Deviation Indicates when a plug is inserted into the recorder output connector Indicates range hold Indicates data hold and timer hold Indicates low battery voltage Response setup display Unit of illuminance Unit of illuminance Deviation display Element 8 8 8 8 8 8 8 AUTO POWER OFF R H RSPS lx fc REC D H ...

Страница 9: ...such as flickering lights or variations from measuring beams such as TV screens FAST SLOW Note If the recorder output is used for waveform observation set the switch to FAST 2 Replacement of Battery If the battery voltage drops during operation a sign appears in the display area In this case replace the battery with a new one immediately Check the polarity markings in the battery compartment and b...

Страница 10: ...e lx fc selector switch Note that the specifications and operation description in this manual are based on the lux Figure 4 Location of lx fc Selector Switch 4 Automatic Power Off AUTO POWER OFF This digital illuminance meter provides an automatic power off function in order to avoid using up the battery if you forget to turn off the power This function turns the power off about 30 minutes after a...

Страница 11: ... the measuring reference plane Measuring reference plane Figure 5 Measuring Reference Plane 3 Exercise care that your position or clothes do not affect illuminance measurement 4 In the case of accurate illuminance measurement multiply the measured value by the color correction factor corresponding to the spectral distribution of the measuring light source and the factor corresponding to the relati...

Страница 12: ... lamps Table 1 Typical Values of Color Correction Factor An electromagnetic interference affects the operating tolerances under EN61326 1 1997 A1 1998 condition If a high electromagnetic interference equipment exists in the near vicinity of the instrument this may cause malfunction Note Illuminance Measurement Operation 1 Cover the light detecting surface with the cap and confirm that the HOLD swi...

Страница 13: ...s on properly and then start this operation again from the beginning To disable the automatic power off function press the HOLD switch to lock the switch before turning off the power When automatic zero adjustment is completed press the HOLD switch to release the lock AUTO POWER OFF disappears resulting in automatic power off being disabled Figure 6 Example of Display upon Illuminance Measurement ...

Страница 14: ...econds have elapsed Operation 1 Press the HOLD switch lock This causes D H to appear 2 Press the T H key to start the timer D H starts blinking 3 Move away from the place where the meter is located 4 When five seconds elapse a beeping sound is generated D H stops blinking and the measured value at that time is held locked 5 Read the indicated value 6 To release the lock press the HOLD switch again...

Страница 15: ... it returns to the least significant range and repeats such action Note To confirm the range cover the light detecting surface with the cap to make the luminous intensity zero 3 When the display shows the setting range stop this key operation 4 Keep pressing this key for two seconds to return to automatic range Deviation Display Key This key is the deviation display function The deviation is displ...

Страница 16: ... and the measured range is fixed After that the deviation value is displayed 2 Press the key again to change to the percent display This causes to appear Each time this key is pressed these two appear alter nately 3 To confirm the reference value keep pressing the CALL key 4 To release press the key for two seconds Note If the measured value exceeds the measuring range OL appears ...

Страница 17: ...e data output connector The output data are illuminance measurement data which are transmitted as BCD serial data conforming to our standard format Modular jack 6 positions Figure 7 Connector Pin Arrangement Illuminance meter External power supply 3 V Output level Figure 8 Connection Circuit ...

Страница 18: ...Bit Data Bit Output 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 H L L L L H H L L L L L dp1 dp2 dp3 decimal point 8 4 2 1 Measurement data 101 Measurement data 100 Unused Measurement Display of unit lx Unused Bit Data Bit Output 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 L L L L L L L L L L L data exponent 8 4 2 1 8 4 2 1 10 6 10 3 10 3 10 6 The level...

Страница 19: ...8 The application of this accessory could affect the immunity performance of the product and such items should be used with this consideration Interconnection with other apparatus is not recommended Note ...

Страница 20: ...he illuminance meter and insert the plug into the recorder output connector of the light detector The display REC R H appears and the range is fixed manual range 3 Set the response selector switch to FAST 4 The output voltage is 1 mV for one numeral of the least significant digit of the effective display 3 digits Confirm the range according to the illuminance measuring range Use the RANGE key for ...

Страница 21: ... other end of the connection cable the plug with the YOKOGAWA logo to the light detector and confirm that the detector is locked to the connector 5 Turn on the power to start measurement 6 To disconnect the connection cable press the eject buttons both on the plug connected to the light detector and on the main unit to release the two locks Eject button Eject pin YOKOGAWA logo Eject button Figure ...

Страница 22: ... the immunity performance of the product and such items should be used with this consideration Interconnection with other apparatus is not recommended Note After sales Servicing If repair work is necessary because of incorrect operation consult the Yokogawa sales representative from whom you purchased the instrument or the Yokogawa sales division listed on the back of this manual Error Massage Whe...

Страница 23: ...reading 1 effective minimum digit Response time Automatic range 5 sec max manual range 2 sec max Characteristics of oblique incident light Angle of 10 1 5 Deviation from the cosine law 30 3 60 10 80 30 Characteristics of relative visible spectrum response Deviation from the standard spectrum luminous efficiency fs JIS C 1609 1 within 9 Temperature characteristics 5 at 23 C reference and a range of...

Страница 24: ...etic interference equipment exists in the near vicinity of the instrument this may cause malfunction Note Characteristics of Relative Visible spectrum Response The visible spectrum of light to which human beings are considered sensitive has an extremely narrow range 360 to 830 nm Within this range sensitivity differs greatly depending on the wavelength This phenomenon is called standard spectrum l...

Страница 25: ...he relative spectrum response of the illuminance meter and V λ to match absolutely however there is a subtle deviation between them Thus a subtle indication error occurs if the illuminance of a light source having a different spectrum distribution from that upon calibration is measured To correct this error color correction factors are provided To make an accurate measurement it is recommended tha...

Страница 26: ...een the tangential line of an illuminated surface and the direction of incidence is supposed to be θ the illuminance of the surface is proportional to cos θ This characteristic is also standardized If the cosine law did not hold true the intensity of illumination from a light source in an oblique direction could not be measured accurately Figure 13 shows the characteristic of oblique incident ligh...

Страница 27: ...round The location for measurement shall be divided into equal areas by vertical and horizontal partitioning lines and the average illuminance for each area shall be calculated The calculated average of the areas shall be the average illuminance of the total area measured According to the 5 point method given in Figure 14 the middle of each side the m point and the center of gravity the g point sh...

Страница 28: ...4 Em 2Eg 6 1 E0 4 Ei 4 1 Figure 14 5 point Method Figure 15 4 point Method Also there is the method where the average illuminance of multiple divided areas is obtained directly For details refer to JIS C 7612 ...

Страница 29: ... 28 MEMO ...

Страница 30: ...tes that you must not discard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive Annex 1 this product is classified as a Monitoring and Control instrumentation product To return unwanted products within the EU area contact your local Yokogawa Europe B V office Do not dispose in domestic household waste ...

Страница 31: ...933 Facsimile 65 6241 2606 YOKOGAWA AMERICA DO SUL S A BRAZIL Phone 55 11 5681 2400 Facsimile 55 11 5681 1274 YOKOGAWA MEASURING INSTRUMENTS KOREA CORPORATION KOREA Phone 82 2 551 0660 to 0664 Facsimile 82 2 551 0665 YOKOGAWA AUSTRALIA PTY LTD AUSTRALIA Phone 61 2 9805 0699 Facsimile 61 2 9888 1844 YOKOGAWA INDIA LTD INDIA Phone 91 80 4158 6000 Facsimile 91 80 2852 1441 YOKOGAWA SHANGHAI TRADING C...

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