Kalse KG-75 Instruction Manual

DIGITAL
LIGHT METER
Instruction Manual
KG-75
For Safety Measurements!!
To prevent an electrical shock hazard to the operator
and/or damage to the instruments, read this instruction
manual carefully before using the instrument. WARNINGS
with the symbol on the instrument and this instruction
manual are highly important.
The symbol listed in IEC 61010-
1 and ISO 3864 means "Caution"
(refer to instruction manual).
The symbol in this manual
advises the user of an electrical
WARNING
shock hazard that could result
in serious injury or even death.
The symbol in this manual
advises the user of an electrical
CAUTION
shock hazard that could cause
injury or material damages.
Introduction
Thank you for purchasing "KG-75 DIGITAL LIGHT
METER". To obtain the maximum performance of this
instrument, read this Instruction Manual carefully, and
take safe measurement.

1. Unpacking And Inspections

Confirm if the following items are contained in the
package in good condition. If there is any damage or
missing items, ask your local dealer for replacement.
1. Digital Light Meter 1 pce.
2. 9V 6F22 Battery 1 pce.
3. Instruction Manual 1 pce.
− 1 −

2. Specifications

2-1. GENERAL SPECIFICATIONS

1. DISPLAY (LCD) :
a. Numerical Display : Maximum reading 9999,
11ｍｍ high
b. Units and Symbols : Lux, Fc, ×10, MAX, MIN,
HOLD, ,
2. SENSOR : Silicon photodiode and filter
3. MEASURING RANGE : 0 to 99990Lux, 0 to 9999Fc
×10 sign when exceeding 9999Lux
Example : 99990Lux → display 9999 and ×10
4. RANGE SELECTION : Auto Ranging
5. OVERRANGE INDICATION : "OL" appears when the
upper limit of measuring range is exceeded
6. SAMPLING RATE : 2.5 times/second
7. BATTERY WARNING :
" " indication at approx. 6.8V or less
8. DISPLAY HOLD : Hold indicating values by HOLD Key
9. AUTO POWER OFF :
Power turns off automatically after
approx. 10 minutes (cancelable)
10. OPERATING TEMPERATURE & HUMIDITY :
0℃ to 40℃, less than 80％RH in non-condensing
11. STORAGE TEMPERATURE & HUMIDITY :
-10℃ to 50℃, less than 70％RH in non-condensing
12. ALTITUDE : Up to 2000m
13. POWER SUPPLY : 9V 6F22 x 1
14. POWER CONSUMPTION :
Normal : 3mA, With LCD Backlight : 4mA
15. OPERATING POWER SUPPLY VOLTAGE :
approx. 6.8V to 9.6V
16. CONTINUOUS OPERATING TIME : approx. 60 hours
17. DIMENSIONS : 192(H) x 67(W) x 44(D)mm
18. WEIGHT : Approx. 198g (include battery)
19. ACCESSORIES :
9V 6F22 Battery x 1(Installed), Instruction Manual
20. OPTIONAL ACCESSORIES : 1026 Carrying Case

2-2. MEASUREMENT SPECIFICATION

(23℃±5℃, ＜80％RH in non-condensing)
Range Accuracy Resolution
0.00 to 19.99Lux 0.01Lux
20.00 to 199.9Lux 0 to 300Lux : ±6％±3dgt 0.1Lux
301 to 4000Lux : ±6％
200 to 9999Lux 1Lux
4001 to 99990Lux : ±10％
1000 x 10 to
10Lux
9999 x 10Lux
ANGLED INCIDENT LIGHT CHARACTERISTICS : not specified
TEMPERATURE COEFFICIENT : Accuracy at 23℃±5℃×0.1/℃

3. Safety Precautions

WARNING
・Do not replace the battery with the wet hands.
Electric shock may occur.
− 2 −
WARNING
・Keep the instrument away from babies or children.
・Do not attempt to disassemble or modify the
instrument.
・Do not heat or disassemble the battery. Do
not put the battery into the fire or water.
CAUTION
・The shock such as dropping or beating might
damage the instrument and may cause the trouble.
・Do not get the instrument wet. Keep dry.
・Do not polish the case with the fluid that
contains alcohol to prevent the cracking.
・Remove the battery when the instrument is
out of use for a long time. The exhaust battery
might leak electrolyte and corrode the inside.
・Do not use any battery that have wrong rated
specification.
・Install the battery with the correct polarity as
shown in the plus○ ＋ and minus○ − indications.
・Dispose the exhausted battery in accordance
with the local government rule after applying
adhesive tape to both electrodes for
insulation.
Cautions for safekeeping
Do not keep the instrument in the following place.
・The place where has the water splash
・The place where applies the hard shock
・-10℃ or less, 50℃ or more, 70%RH or more
・The place where has the condensation
・The place where is exposed to direct sunlight

4. Name Illustration

Sensor Cap
Sensor
LIGHT METER KG-75
LCD
LIGHT Key
POWER Key
HOLD Key
HOLD
FC Key
MAX/MIN
LUX Key
Key
− 3 −

4-1. LCD

Fig-2
: Low battery warning
: Auto power off
: MAX measurement
: MIN measurement
: Display Hold
: Measurement value exceeds 9999Lux
: Unit of Lux
: Unit of Fc (Foot-Candle)
Tear off the Display Film on LCD when using this
instrument for the first time.

4-2. POWER Key

Press this key to turn on / turn off.

4-3. LIGHT Key (Backlight LCD)

Press this key to turn on / turn off the LCD backlight.
4-4. HOLD Key (Display Hold)
Press this key to hold displayed value on LCD.
("HOLD" lights up).
To release it : Press HOLD Key again.

4-5. LUX Key

Press this key to select the unit of Lux.
("Lux" lights up).

4-6. FC Key

Press this key to select the unit of Fc (Foot-Candle).
("Fc" lights up).
Measurement units
1Lux : Equal to one lumen per square meter.
1Fc : Equal to one lumen per square feet.
1Lux ≒ 0.09290Fc 1Fc ≒ 10.764Lux

4-7. MAX/MIN Key (MAX/MIN)

MAX/MIN measurement is possible by pressing this key.
Normal Measurement → MAX Measurement ("MAX" lights up)
→ MIN Measurement ("MIN" lights up) → Normal Measurement
Fig-1