ARRI ARRI TRUE BLUE manual ST1

				1000W Studio Fresnel					ST1	ARRI TRUE BLUE
	Cat. No.	Description
552100		ST1 1000W Studio Fresnel, Stand Model
552101		ST1 1000W Studio Fresnel, Hanging Model
552102		ST1 1000W Studio Fresnel, Stand Model, Black
552103		ST1 1000W Studio Fresnel, Hanging Model, Black
552105		ST1 1000W Studio Fresnel, Pole Operated
551210		Four Leaf Barndoor
551215		Eight Leaf Barndoor
531220		Filter Frame
531230		Snoot
531250		9” Full Single Scrim
531251		9” Half Single Scrim
531252		9” Full Double Scrim
531253		9” Half Double Scrim
571714		Scrim Bag
853276		Safety Cable
531510		Operating Pole for pole-op fixtures
571740		1800W Digital Dimmer
	Lamps
	Code	EGT		EGR			CP40
	Watts	1000		750			1000
	Volts	120		120			230
	Color Temp (K)	3200		3200			3200
	Approx. Life (hrs)	250		200			200
	Specifications
	Weight*	16.5 lbs. (7.5 kg)
	Cable	23.0 ft. (7.0 m) cable with inline switch; Hanging model with 3.0 ft. (1.0 m) cable w/o switch
	Lens Diameter	6.9” (175 mm) low expansion borosilicate Fresnel lens
	Reflector	Spherical specular high purity aluminum
	Lampholder	G22/38
	Mounting	Combination mount for 5/8” (16 mm) stand or 1 1/8” (28 mm) stand; Hanging model with
		pipe clamp
	Certification	NRTL-US-C; CE; IP23
	Photometric Data with EGT 1000W Lamp
	Distance	10 ft. (3.0 m)	15 ft. (4.6 m)		20 ft. (6.1 m)	25 ft. (7.6 m)		30 ft. (9.1 m)
	Spot Focus Beam Angle 10°
	Footcandles	1667	741		417	267		185
	Beam Diameter	1.7 ft. (0.5 m)	2.6 ft. (0.8 m)		3.5 ft. (1.1 m)	4.4 ft. (1.3 m)		5.2 ft. (1.6 m)
	Medium Focus Beam Angle 30°
	Footcandles	409	182		102	65		45
	Beam Diameter	5.4 ft. (1.6 m)	8.0 ft. (2.4 m)		10.7 ft. (3.3 m)	13.4 ft. (4.1 m)		16.1 ft. (4.9 m)
	Flood Focus Beam Angle 54°
	Footcandles	201	89		50	32		22
	Beam Diameter	10.2 ft. (3.1 m)	15.3 ft. (4.7 m)		20.4 ft. (6.2 m)	25.5 ft. (7.8 m)		30.6 ft. (9.3 m)
	Spot Performance at any distance:
	Footcandles (or lux) = 166,725 ÷ Distance2				Beam Diameter = Distance x 0.18
	Medium Performance at any distance:
	Footcandles (or lux) = 40,900 ÷ Distance2				Beam Diameter = Distance x 0.54
	Flood Performance at any distance:
	Footcandles (or lux) = 20,050 ÷ Distance2				Beam Diameter = Distance x 1.02

*Stand Model

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