DT-1309
Light Meter with RS-232 interface
1309 light meter is easy to use with pocket size and light weight, providing accurate display
light level in terms of Foot Candles (FC) or LUX over wide range. Just turning the Function
Switch to select the “lux” scale and setting the range to desired range, then removing the
photo detector to light source in a horizontal position and reading the illuminance norminal
from the LCD display. When the measurement is completed, replace the photo detector
from the light source.
Over-range indication
Long life silicon photo diode inside
Measurement rate: 1.5 times per second
Widest range to 40,000FC/400,000lux
Features
4000 counts LCD display
Auto ranging
40-segments Analog bargraph
Peak Hold
Relative mode
Max and Data Hold
Auto Power Off
Low battery indication
User selectable FC/Lux
RS232 Output
Specifications
Max Range	400,000 Lux
Accuracy	+/-5% +/-10d (< 10,000Lux)
	+/-10%+/-10d (> 10,000Lux)
Max Resolution	0.1 lux/FC
Measuring Rate	1.5 times/second
Photo Detector	115mm x 60mm x 27mm
Size (H x W x D)	165mm x 76mm x 43mm
Weight	403g
Accessories	One 9V battery, One Photo Detector and one RS232 Dataline