The Datum Series
Type:
The low-profile, energy-efficient Datum allows you to
TM
put lighting where you need it. With versions as shallow
Project:
as 2 5/16 inches, Datum is perfect in situations where
plenum space is restricted. The 6-inch version is compatible with Armstrong TechZone™ ceiling systems.
Catalog Number:
Datum seamlessly blends architectural elegance and
DO NOT TYPE HERE. Autopopulated field.
clean, simple styling with optimum luminance control
and efficiencies as high as 84.5 percent.
Specification Features
Technical Drawings
Housing
Die-formed, 20-gauge, cold-rolled
steel. End caps and joiners are die-cast
aluminum for 6” wide units and formed
cold-rolled steel for 1’ wide units.
Ballast
Thermally protected Class P energysaving electronic ballast.
6IN G9 1T5 RD
Mounting
Recessed grid; 6” wide units are compatible with Armstrong TechZone TM ceiling
system.
Finish
Painted high reflectance white powder
coat.
Warranty
Limited warranty, consult factory.
6"
12IN DF 1T5 RT
c. For photometric information refer to
www.marklighting.com.
Ordering
Example: DAT RD SS 6x4 G9 2T5 GEB10PS 120
Reflector
Shielding
Size
RD Rounded
SS
6x4
RT
12IN DF 1T5 RD
b. Actual performance may differ as a
result of end-user environment and application.
Lamps
(1) T5 or T5HO (6” and 1’ wide versions);
(2) T5 or T5HO (1’ wide versions).
Datum
53⁄8"
6"
5"
Notes
a. Specifications are subject to change
without notice.
Shielding
Co-extruded translucent acrylic.
DAT
Rectangular
Square
smooth
SR Square
ribbed
RS Round
smooth
RR Round
ribbed
6" x 4'
6x54 6" x 5'
14
1' x 4'
154
1' x 5'
ft. Specify continuous
run length (in whole
feet); 6” width only
Ceiling type
No. of lamps/Lamp type1,2
Ballast
G9 15/16" inverted
tee
Number of lamps1
Lamp type2
GEB10PS
1
T5
2
T5HO
DF 9/16" slot grid
or superfine
(For TechZone specify
grid type.)
DMHL3D
Lutron Hi-Lume® 3D
ECOS
Lutron Eco System®
ECOSH
Lutron Eco System®
H-Series
ADZT
Advance Mark 7
Voltage
Options
120
EMPK Emergency
battery
pack
277
3473
CP
Chicago
plenum
CONFIGURATIONS
Lamps per cross section. See configurations table.
Consult factory for other lamps.
Consult factory for lamp and ballast compatibility.
Consult factory for 5 ft. lamps with dimming.
marklighting.com
3 Kilmer Rd, Edison NJ 08817
Programmed rapid
start
GEB10DIM Dimming, 0 - 10v
Notes
1
2
3
4
211⁄16"
25⁄16"
Certification
cULus Listed, IBEW (Local 3) Unionmade, assembled in the USA.
Reflector
Precision-contoured, heavy-gauge
extruded aluminum for 6” unit. Precision
die-formed, 20-gauge, cold-rolled steel
for wider units. Painted high reflectance
white powder coat.
Series
6IN DF 1T5 RT
T (732) 985 2600
F (732) 985 8441
SIZE
LAMPS PER CROSS SECTION
LAMPS PER FIXTURE
LAMP TYPE
6” wide
1’ wide
1
1 or 2
1
1 or 2
T5, T5HO
T5, T5HO
©Acuity Brands Lighting, Inc. All Rights Reserved. We reserve the right to change design, materials and finish in any way that will not alter installed appearance or reduce function and performance.
MARK
ARCHITECTURAL
LIGHTING
The Datum Series
Photometric Information
Catalog Number
DAT RD 1x4 1T5
Report Number
LTL16753
Lamps
(1) T5, rated 2600 lumens per lamp
Total Efficiency
84.5%
Floor
20%
Ceiling
100
50%
30%
10%
50%
30%
10%
50%
30%
10%
0
101
101
101
101
94
94
94
90
90
90
1
90
85
81
77
80
76
73
76
74
71
2
81
73
66
61
68
63
58
65
61
57
3
73
63
55
49
59
53
48
56
51
47
4
66
55
47
41
52
45
40
50
44
39
5
61
49
40
34
46
39
34
44
38
33
6
56
44
35
30
41
34
29
40
33
29
7
52
39
31
26
37
30
25
36
30
25
8
48
36
28
23
34
27
23
33
27
22
9
45
33
25
20
31
25
20
30
24
20
10
42
30
23
18
29
23
18
28
22
18
400
500
600
20°
30%
70%
300
10°
50%
Walls
200
0°
80%
30°
Run Information
ROW MOUNTED CONTINUOUS RUN
marklighting.com
3 Kilmer Rd, Edison NJ 08817
END-TO-END MOUNTED INDIVIDUAL UNITS
T (732) 985 2600
F (732) 985 8441
©Acuity Brands Lighting, Inc. All Rights Reserved. We reserve the right to change design, materials and finish in any way that will not alter installed appearance or reduce function and performance.