KYORITSU 5201 User Manual
DIGITAL ILLUMINATION METER
Photocell
detector head
Display window
Measuring button
Instrument
Hand strap
Photocell
detector
Rubber
plug
Battery
compartment
15cm 30cm
MODEL 5201
Congratulations on your choice of the KYORITSU Digital Illumination Meter Model 5201,a portable and compact photocell illuminance meter
for measuring from 0.1 to 19,990 Lux with auto range switching.
Please read the instructions manual completely before you touch the instrument so that you will be able to use it with greater efficiency over
a longer period of time.
■ INSTRUMENT LAYOUT
■ ACCESSORIES
The Model 5201 Digital Illumination Meter includes:-
Photocell cover 1each
⑴
⑵ 9 volt dry battery(006P) 1each
⑶ Soft carrying case 1each
⑷ Instruction sheet 1each
■ SPECIFICATIONS
Measurement range 0.1 to 19.990 lux
Range settings Automatic 3 range switching
Accuracy ±5% of reading and ± 1 digit
Measuring time 3 times per second
Temperature-humidity
characteristics
Spectral response
characteristics
Angular incident light
characteristics
Power source
Operating conditions Temperature
range Humidity range
Dimension 68×166×32mm
Weight 180 grams (including battery)
■ FEATURES
The range setting is switched automatically so that you do not require
any switching.
The reading on LCD is held for a preset time (about 20 seconds) so that
you can read the measurement value easily,
Au to Power- Of f sy st em i s in co rpora te d in t he ins tr ume nt (fo r
automatically switching off the battery) for a longer battery life. (If the
instrument is used intermittently for about one or two hours per day, it
should be possible to use a fresh battery for about 1000 hours.)
■ WARNING
Wh en the measuring button is dep re ss ed , … should be
⑴
displayed.
This will be an indication that the battery is getting weak and should
be replaced.
Use a 9 volt battery and be sure to replace battery with correct
polarities.
A - - - display will appear when the range is switched. However,
⑵
if the display should continue to appear for more than 3 seconds,
this will indicate overranging and measurement are not possible.
Always remember to put the rubber plug back correctly atter zero
⑶
adjustments.
Do not expose the photocell detector to excessive illumination when
⑷
it is not being used, as this will lead to deterioration of the meter
sensitivity. Always remember to cover the photocell detector when
the instrument is stored.
Keep the photocell detector clean because light transmission will be
⑸
obstructed and will be reading errors.
Always wipe the surface clean with a soft and dry cloth, when the
detector is covered with dust and/or dirt.
Protect the instrument from impact and vibrations as the instrument
⑹
could be damaged.
Do not wipe the plastic instrument body with any chemical solution
⑺
such as acetone, keto ne, thi nne r, etc., and do not expose the
instrument to temperature of more than 60℃
The instrument should be calibrated once a year or so for the
⑻
accurate measurement.
±3% (at 20℃)
Cl os el y related to the spectral luminous
efficiency (of a standard observer).
Closely related to the Lambert's cosine law.
6F22 battery or equivalent, or DC external
power source.
5℃ to 35℃ 45% to 85%
Do not open the instrument for repair and calibration exceeding
⑼
described in this manual or KYORITSU will not accept the instrument
under the warranty.
Please contact the ＫＹＯＲＩＴＳＵ distributor for instructions when
the instrument seems not be working correctly or when calibration is
required.
When storing the instrument in the carrying case, put in the manner
⑽
illustrated with the measuring button located
on the cover side so that it will be positioned
between the pads on the inside of the cover.
Otherwise, the button could become depressed
(i.e., switched ON), which the battery would be
exhausted.
■ OPERATIONS
Take the instrument out of the soft carrying case.
⑴
Put the photocell detector cover by hand completely so that no light
⑵
can reach to the detector.
Depress the measuring button for about two seconds.
Check whether the digital display is00.0and make sure that an
indication of low battery power …is not displayed.
Take of the photocell detector cover and place the photocell detector
⑶
to the surface being measured to receive the incident light.
Then press the measuring button for about 2 seconds.
When the digital display is stabillzed, release the measuring button.
⑷
Reading of the measurement on the display should be held or about
20 seconds for your easy reading and writing memo.
The power will be automatically off after 20 seconds.
The measuring button has to be depresse d while the previous
⑸
readin g is being held, a ne w digital display will appear for the
illuminance of the incident light at the time.
The hand strap on the instrument can be us ed for settin g th e
⑹
measuring distance. Unhooking one end of the strap and extending it
will work as scale for 30 centimeters.
If the strap is used without unhooking it, the strap can be utilized as
a scale for 15 centimeters.
■ CAUTON
If the dig ita l display doe s no t become00. 0in (2) above, ze ro
adjustment will be required. Detach the rubber plug on the rear surface
of the instrument. While depressing the measuring button, turn the
adjustment knob by using a screwdriver so that the display indicates
00.0. Put the rubber plug back after adjustments are finished.
10-07 92-1345A
ADEQUATE LIGHT LEVELS FOR YOUR WORKING OR AT YOUR WORK AREAS.
LUXES
(lx)
LOCATIONS
10,000 5,000 3,000 2,000 1,500 1,000 750 500 300 200 150 100 75 50 30 20
FACTORY
−
ELECTRONIC PARTS
ASSEMBLY LINE.
○DRAFTING.
TYPESETTING AT
PRINTING SHOP.
○
INSPECTION WORK.
VISUAL WORK AT
PRODUCTION LINE.
○PACKING WORK. EXIT.
ENTRANCE.
PASSAGE.
INDOOR EMERGENCY STAIRS.
WAREHOUSE.
○ LOADING OR UNLOADING
WORK.
OFFICE
−
○TYPING.
○ DRAFT-
ING.
CLERICAL WORK. CONFERENCE ROOM.
DINING ROOM.
RECEPTION ROOM.
CORRIDOR.
STAIRS.
ENTRANCE.
WAREHOUSE.
INDOOR EMERGENCY
STAIRS.
−
HOUSE
−
○SEWING. ○READING.
○STUDY.
○
MAKEUP.
○ DINING
TABLE.
○
RECREATIONAL
ACTIVITIES.
○ WASH-
ING.
−
STORE
−
○ FOREFRONT OF
SHOW WINDOW.
○ SHOW WINDOW.
○ PACKING TABLE.
ELEVATOR.○ DISPLAY
STAND.
RECEPTION
ROOM.
CORRIDOR.
STAIRS.
INDOORS.
−
HOSPITAL
EYE INSPECTION.
−
OPERATING ROOM.
EMERGENCY
TREATMENT.
MEDICAL EXAMINATION ROOM.
DINING ROOM.
WAITING
ROOM.
SICK
ROOM.
WAREHOUSE.
STAIRS. EMERGENCY STAIRS.
−
SCHOOL
−
○DRAFTING ROOM.
○LABORATORY.
○LIBRARY.
CLASS ROOM. INDOOR GYMNASIUM.
AUDITORIUM.
WASH ROOM.
EMERGENCY STAIRS.
−
RESTAURANT
−
○ SHOW WINDOW. COOKING ROOM.
DINING TABLE.
ENTRANCE.
WASH ROOM.
CORRIDOR.
STAIRS.
−
BABER.
BEAUTY
PARLOR
−
○ HAIR DYEING.
○ MAKEUP.
○ HAIR DRESSING.
○ SHAVING.
○ HAIR WASHING.
○ DRESSING.
−
Required light level may be obtained by local illumination for those marked ○. In this case desired light value of total illumination is one tenth of local illumination level.
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