Specification

Optical system	Objective lens : f=80mm F2.5 Eyepiece lens : View field 5°,Diopter adjustment range ±5 diopter
Spectral sensitivity	Similar to CIE1931 color matching function
Photodetector	Photomultiplier tube
Measurement angle	3°/ 2°/ 1°/ 0.2°/ 0.1° (selectable )
Measurement distance	350mm to ∞ (distance from metallic tip of objective lens)
Minimum measurement area	Measurement angle 32° φ15.0mm Measurement angle 2°φ10mm Measurement angle 1°φ5mm Measurement angle 0.2°φ1.0mm Measurement angle 0.1° φ0.5mm Attachment lens AL-6 and AL-11 are available for measuring microscopic object
Function	Luminance, CIE1931 chromaticity coordinates xy CIE1976 chromaticity coordinates u' v', Tristimulus value XYZ, Correlated color temperature and Deviation, CIE1976 L*a*b*, CIE1976L*u*v*
Minimum luminance display	0.00005cd/m2 (this does not mean accuracy)
Luminance range for guaranteed accuracy	Measurement angle 3°    0.005-1,500cd/m2 Measurement angle 2° 0.01 - 3,000cd/m2 Measurement angle 1° 0.04 - 12000cd/m2 Measurement angle 0.2° 1 - 300,000cd/m2 Measurement angle 0.1° 4 - 1,200,000cd/m2
Accuracy	Luminance : ±4% (for standard illuminant A) Chromaticity(xy) 1 : ±0.005 Chromaticity(xy) 2 : ±0.01 (O-55,Y-48, T-44, A-73B, IRA-05) ±0.03 (R-61, B-46, V-44, G-54) (with combination of standard illuminant and color glass filter)
Measurement time	Approx. 2se. (Single measurement mode)
Response speed	Normal : All range   Approx 30ms Fast : Range 1   Approx 5ms   : Range 2   Approx 0.5ms   : Range 3   Approx 0.05ms   : Range 4   Approx 0.5ms   : Range 5   Approx 0.05ms
Analog output	(X2, Y, Z) DC:0-4V
Interface	USB1.1 /RS-232C selectable
Power supply	Dedicated AC adapter AC100V-240V, 50/60Hz
Power consumption	Approx 2.5W
Operating condition	Temperature 0℃-40℃, Humidity:85% RH or less (no condensation)
Storage condition	Temperature -20℃-60℃, Humidity:85% RH or less (no condensation)
External dimensions	Approx 355mm x154mm x 212mm (LxWxD)
Weight	Approx 3.6Kg (main unit only)

Measurement area (Diameter φ)

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Measurement distance (m)
	0.35	0.5	1	5	10
3°	15.0	23.1	49.2	255	510
2°	10.0	15.4	32.8	169	341
1°	5.0	7.7	16.4	85	170
0.2°	1.0	1.5	3.3	17	34
0.1°	0.5	0.8	1.6	8	17

Luminance Display Range

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	Range 1	Range 2	Range 3	Range 4	Range 5
3°	0.00005-0.15	0.0005-1.5	0.005-1.5	0.05-1.5	0.5-150
2°	0.0001-0.3	0.001-3	0.01-30	0.1-300	1-3,000
1°	0.0004-1.2	0.004-12	0.04-120	0.4-1,200	4-12,000
0.2°	0.01-30	0.1-300	1-3,000	10-30,000	100-300,000
0.1°	0.04-120	0.4-1,200	4-12,000	40-120,000	400-1,200,000

Comparison table BM-5AS and BM-5A

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		BM-5AS	BM-5A
Measurement angle		3°/ 1°/ 0.2°/ 0.1°	2°/ 1°/ 0.2°/ 0.1°
Luminance range for guaranteed accuracy	3°	0.005-1500
	2°	0.01-3000	0.02-3000
	1°	0.04-12000	0.08-12000
	0.2°	1-300000	2-300000
	0.1°	4-1200000	8-1200000
Response speed (FAST)	Range 1	5ms	30ms
	Range 2	0.5ms	30ms
	Range 3	0.05ms	30ms
	Range 4	0.5ms	30ms
	Range 5	0.05ms	30ms
Analog output		DC:0-4V	DC:0-3V Changeable to 9V
Interface		USB/RS-232C selectable	RS-232C or GP-IB
Communication cable RS-232C		9P⇔9P Straight	9P⇔25P straight
Option	Colorimetry software	CM-700	Harvey Scope
	AC Adapter	ZA-18	ZA-17
Standard component		Main unit
		Objective lens cap Quick manual AC Adapter ZA-18 CD-ROM (Instruction manual Sample program) USB cable Analog output plug Inspection report	Objective lens cap AC Adapter ZA-17 Analog output plug Instruction manual