. 2013 Jan 15;26(4):759–767. doi: 10.1007/s10278-013-9571-1

Table 4.

Measured values from 13 pairs of monitors in four BSNSW service centres

Measurement of luminance response
	L_max (cd/m²)		L_min (cd/m²)		Contrast ratio		Just-noticeable-difference (JND)		Percentage difference between two primary monitors (%)	Luminance non-uniformity (%)
Location and workstation	Left	Right	Left	Right	Left	Right	Left	Right	Between L_max of both monitors^a	Left	Right
A1	424.63	462.00	1.19	1.19	356.98	387.34	603	616	8.09 [R]	13.14	20.50
A2	497.50	476.53	1.18	1.22	423.40	391.96	627	620	4.22 [L]	10.41	7.33
A3	425.00	453.95	1.22	1.24	347.44	365.79	599	608	6.38 [R]	19.21	9.13
B1	442.03	534.00	1.19	1.30	372.70	411.24	611	632	17.22 [R]	23.08	24.35
C1	481.43	485.55	1.14	1.20	421.38	403.28	623	624	0.85 [R]	8.27	10.46
C2	431.83	385.78	1.21	1.22	356.59	316.79	607	588	10.66 [L]	16.66	25.11
C3	469.53	479.60	1.52	1.16	309.36	412.47	607	620	2.10 [R]	10.61	17.74
C4	516.15	469.58	1.39	1.30	371.53	360.59	623	616	9.02 [L]	20.08	20.38
C5	491.18	470.08	1.19	1.12	411.97	420.93	627	620	4.30 [L]	16.68	19.31
D1	490.20	470.10	1.01	0.91	483.67	515.45	627	632	4.10 [L]	37.75	24.39
D2	499.00	442.40	1.05	1.02	475.58	434.79	631	612	11.34 [L]	31.61	31.99
D3	574.75	535.05	1.36	1.19	423.62	451.52	639	640	6.91 [L]	21.75	21.41
D4	541.98	480.25	1.17	1.08	465.21	444.78	639	624	11.39 [L]	22.33	11.71
Mean	483.48	472.68	1.22	1.17	401.49	409.00	620.23	619.38	7.43	19.35	18.75
Max/min ratio	1.35	1.39	1.50	1.43	1.56	1.63	1.07	1.05	20.26	4.56	4.36
Current guidelines	≥170 [18]		≤1.5 [16]		≥250 [18,21]		^b		≤5 % [15,16,21,29]	≤30 % [15,16,18,21]
Current guidelines	≥450 [15,16]		≤1.5 [16]		≥300 [16]		^b		≤10 % [18]	≤30 % [15,16,18,21]

Independent values for left and right monitors are presented for Lmax, Lmin, contrast ratio, JND and luminance non-uniformity. Current guidelines indicated in table for LCD monitors. Brackets indicate reference for the specific guideline

^aMonitor with greater Lmax value indicated by left [L] or right [R]

^bNo available guideline