lux meter
| = нон
FRONT PANEL DESCRIPTIO:
LCD DISPLAY
RANGE St С
SWI H
7
¡a je Th - 5
le=INPUT (Ligh: -<
POWER/HOLD — |
SWITCH
BATTERY CHAMBER
Your purchase of the DIGITAL LUX
METER marks a step forward for you into
the fleld of precision measurements.
Although this LUX METER ls a complex,
and delicate instrument, its ruggedness will
allow many years of use If proper operating
techniques are developed. Please read the
following instructions carefully and always
keep this manual within easy reach.
TABLE OF CONTENTS
1. Features
2. Specifications
3. Measuring Procedure
4. Front PANEL Description
5. Battery Replacement
6. Safety Precautions
7. Recommended Illumination
FEATURES
* Wide test range (0 to 200,000 LUX)
* High accuracy and rapid response
* Data-Hold function for holding testing
values.
* Long battery lite. Low battery indicating.
* Lightweight rugged , comfortable to use,
* Easy to read 0.5" high LCD display
SPECIFICATIONS
* MEASURING RANGE
0— 200,000 LUX, (3 Range select).
* ACCURACY: +2% of Rdg+1 digit
* RESOLUTION
0—2,000 LUX 1 LUX
2,000—20,000 LUX 10 LUX;
20,000— 200,000 LUX 100 LUX. *
se LIGHT SENSOR
High precision SILICON PHOTO CELL.
e DISPLAY
3-1/2 digital LCD display, 0.5” high.
* POWER SUPPLY : One 9V battery.
* BATTERY LIFE
Appr. 150 hours in continuous use.
* LOW BATTERY SIGNAL
Automatic. (When less than 10% of life
remains).
* OPERATING/AMBIENT RANGE
0—50°C, Below 80% RH.
—
E
—
MEASURING PROCEDURE
O POWER: Removed the battery cover at
rear then fixed 9V battery as
mark “+ "-",
NOTE: To fit or change the battery
ensure the ON/OFF switch is In
the OFF position.
@ Insert the sensor plug into the Instru-
ment socket, slide the ON/OFF switch
to “ON” position to turn on power,
display will be indicated LUX immedi-
atelly.
O Set the range selection switch to Xy, (
2,000 LUX ) and face the sensor to
light in a horizontal position,
® Read the lighting Intensity In LUX on
the display.
® Overrange—When the display ap-
peared "1" in the M.S.D. with all other
digits suppressed, the lighting intensi-
ty is over setting point of range selec-
tion switch must be reset the range to
next step for a more significant reading.
BATTERY REPLACEMENT
A LOW battery indicator (LO BAT) shows
at the bottom left-hand corner of the
display when the battery is approaching
end of life. This happens when typically
10% of battery life remain, during which
the instrument will continue to meet its full
specification. Please replace new battery
then operation.
SAFETY PRECAUTIONS
For a long service life of your instrument
observe the following maintenance points:
e Be sure slide the switch to “OFF”
position when non-using, and take out
the battery if you don't use for a long
time.
* Avoid rubbing, pushing the measuring
face of the sensor to prevent scratch or
deformation of the sensor.
* Keep the instrument without high tem-
perature, moist and high votage ambit.
e |f any trouble please contact to our
service departments.
RECOMMENDED
ILLUMINATION
LOCATIONS LUX
OFFICE
Conference, Reception room. 250 ~ 750
| Clerical work 700 ~ 1,200
' Typing Drafting 1,200 — 2,000
s FACTORY
Packing work, Entrance passage 150 ~ 300
Visual work at production line 450 ~ 750
Inspection work 800 — 1,200
Electronic parts assembly Line 1,500 — 2,500
e HOTEL
Public room, Cloakroom 100-200 .
Reception, Cashier 250 — 400 *
e STORE
Indoors Stairs Corridor 100 — 200
Show window, Packing table 200 ~400
Forefront of show window 1,500 — 2,500
* HOSPITAL
Sick room, Warehouse 100-150
' Medical Examination room 300 — 600
Operating room,
Emergency Treatment 750—1,500
о SCHOOL
Auditorium, Indoor Gymnasium 100-300
Class room 400— 700
Laboratory Library Drafting room 750- 1,400
Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF

advertisement