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MINI-BEAM
®
SM2A312DBZ and SM2A312W
Self-contained AC-operated Wide-angle Diffuse Mode Proximity Sensors
Printed in USA P/N 03565L9C
• Compact, modulated, self-contained infrared diffuse proximity mode
sensors for 24-240V ac operation
• SM2A312W wide-angle (divergent) diffuse mode sensor, 125 mm (5")
range; ideal for close-range sensing of transparent or translucent
objects, or objects with small profile
• SM2A312DBZ: wide-angle diffuse mode sensor, 300 mm
(12") range
• Both models have clear acrylic opto-element covers to meet FDA
food-processing application requirements
• Switch-selectable for light operate or dark operate
• SPST SCR solid-state output switches up to 300mA; low leakage
current and saturation voltage
• Rugged, epoxy-encapsulated construction: meets NEMA 4X; IEC IP67
*NOTES:
• 9 m (30') cables are available by adding suffix “W/30” to the model number of any cabled sensor (e.g. SM2A312DBZ W/30).
• A 150 mm (6") long pigtail cable with attached QD connector is available by adding suffix “QDP” to the model number of any
MINI-BEAM sensor (e.g. SM2A312DBZQDP). See page 5 for more information.
• A model with a QD connector requires an accessory mating cable. See page 6 for more information.
125 mm
5.0 in
100 mm
4.0 in
75 mm
3.0 in
50 mm
2.0 in
25 mm
1.0 in
0
0
7.5 mm
15.0 mm
22.5 mm
7.5 mm
15.0 mm
22.5 mm
0
0.3 in
0.6 in
0.9 in
0.3 in
0.6 in
0.9 in
DISTANCE
SM2A312W
Diffuse Mode
375 mm
15.0 in
300 mm
12.0 in
225 mm
9.0 in
150 mm
6.0 in
75 mm
3.0 in
0
0
5 mm
10 mm
15 mm
5 mm
10 mm
15 mm
0
0.2 in
0.4 in
0.6 in
0.2 in
0.4 in
0.6 in
DISTANCE
Diffuse Mode
SM2A312DBZ
SM2A312W
SM2A312WQD
125 mm
(5")
2 m (6.5')
3-Pin Micro QD
24-240V ac
Models Range Cable*
Supply
Voltage
Output
Type
Excess Gain Beam Pattern
SM2A312DBZ
SM2A312DBZQD
300 mm
(12")
2 m (6.5')
3-Pin Micro QD
24-240V ac
SPST
Solid-
state
2-Wire
1
10
100
10 mm
.40 in
100 mm
4.0 in
1000 mm
40 in
1 mm
.04 in
1000
E
X
C
E
S
S
G
A
I
N
DISTANCE
SM2A312DBZ
Diffuse Mode
SPST
Solid-
state
2-Wire
1
10
100
10 mm
.4 in
100 mm
4 in
1000 mm
40 in
1 mm
.04 in
1000
E
X
C
E
S
S
G
A
I
N
DISTANCE
SM2A312W
Diffuse Mode
Performance based on 90% reflectance white test card
Infrared, 880 nm
MINI-BEAM Diffuse Mode

Summary of content (8 pages)