Tenmars auto-ranging luxmeter, calibration certificate

High quality Tenmars Taiwan lux meter meets JIS C 1609:1993 and CNS 5119 general specifications for class A. Comes with factory calibration certificate.
Features:
Auto ranging.
Sampling rate: 2.5 times per second for digital display.
Spectral response close to CIE luminous spectral efficiency.
Angular cosine corrected.
The measuring light source includes all visible.
Illuminance intensity measurement in lux or Footcandles.
Data hold.
Zero correction.
Overload indication: LCD will display “OL” at the leftmost position.
Low battery indication.
Features:
Display LCD
Sensor Silicon photodiode and filter
Range 20,200,2000, 20000,200000 Lux
20,200,2000,20000 Footcandles
Accuracy ±3% (calibrated to standard
incandescent lamp 2856∘K)
6% other visible light source
Angular deviation
from cosine
characteristics 10 ±0.5%
30 ±2%
50 ±3%
60 ±6%
80 ±25%
Dimensions: 172x55x38mm
Weight: 250 grams

Package Contents:
1 x Luxmeter
1 x Calibration Certificate
1 x 9V Battery
1 x Storage Case
1 x Operating Instructions