LIGHT METER

KEW 5204BT

For efficient good illuminance level achievement and management!

Detachable & Rotatable Light Sensor
Data Hold Function
MAX/MIN Function
Large LCD with Backlight
LED illuminance can be measured

*LED illuminance measurements are verified by testing only the typical illuminance, frequency, and duty ratio of pulsed white LED.

Video

How to use ” KEW Smart Advanced App” and explaining each function.

Product Overview

Adequate Light Levels for Your Working or at Your Work Areas

Detachable ＆ Rotatable Light Sensor

The light sensing probe can be fixed on the meter parallel or perpendicular to the LCD Display.
Or it may be detached from the unit to fit the measuring requirement.

Name of Parts and Position

① Lens Protecting Cover	⑥ HOLD button
② Light Sensing Probe/Photocell	⑦ Max/Min button
③ LCD Display	⑧ Range selector button
④ Power button	⑨ 0 ADJ button
⑤ Backlight button	⑩ Battery cabinet cover

Relative Spectral Response Characteristics in the Visible Spectrum

Measurement Data Management Application "KEW Smart Advanced"

One application can manage all supported models.
Click here for more information

Specification

Measuring Range	0.0 to 199900 lx
Range	199.9/1999/19990/199900 lx
Resolution	0.1 lx
Light detector	Silicon photo diode
Accuracy	±4%rdg±5dgt（23℃±2℃）
Angle deviation from cosine characteristics	10°±1.5% 30°±3% 60°±10% 80°±30%
Temperature characteristics	±5% (at23℃ reference and a range of 0 to 40℃)
Relative spectral sensitivity characteristics	Deviation from spectral luminous efficiency: 9%
Response time	Auto-ranging: 5s or less Manual ranging: 2s or less
Auto power off	30 min.
Operating temperature and humidity range	0 to 40°C, relative humidity 80% or less(no condensation)
Storage temperature and humidity range	-10 to 60℃, relative humidity 70% or less(no condensation)
Communication interface	Bluetooth^®5.0
Applicable Standards	JIS C 1609-1:2006, IEC 61326
Power source	R6/LR6(AA)(1.5V) x 2
Dimension	169 (L) x63 (W) x37 (D) mm
Weight	Approx. 210g
Cable length	Approx. 260 to 1,000mm
Accessories	9195 (Carrying case) Instruction Manual LR6(AA)×２