Gossen 15122 operating instructions Technical data, Exposure meter, Timer, Watch, Thermometer

4 Technical data

Exposure meter
Measuring modes	Ambient light
	Incident light method
	Reflected light
	method
	Contrast measurem.
Light sensor	sbc photo diode
Measuring range
(when ISO 100/21°)	EV 0 to 18
Shutter speeds	1/2000 s to 4 min
Apertures	1 to 32
Calibration
adjustments	± 3.0
Film speeds	ISO 6 to 3200
	in 1/3 increments
Measuring angle
reflected light mode	approx. 25°

Timer	0 sec to 30 min
Watch	adjustable to 12 hrs
	(AM + PM) or 24 hrs
Accuracy	5 min / year
Thermometer	adjustable to °C/ °F
Measuring range	–15 ... 70 °C or
	5 ... 160 °F
Accuracy	± 2 °C or ± 4 °F
Display	digital read-out of
	measuring value
	plus analogue
	setting ring
Duration of read-out	The DS will always
	display the last
	function used

GOSSEN Foto- und Lichtmeßtechnik 15