Representative photo of this series
Backlights
56 x 28 mm traditional surface light source (LS-BKL-1155)
Model LS-BKL-1155-R
- ColourRed, Green, Blue, White, Infrared, UV
- Emitting area34 x 25 mm
- Voltage24 V DC (12 V on request)
- TypeStandard
Ships in 2-3 weeks
0.2 kg shipping weight
Volume pricing, Net 30 terms or a formal quote for purchasing?
LS-BKL-1155: emitting surface 34 x 25 mm, length 56 mm, width 28 mm, height 18 mm.
Surface light with large-area uniform light emission and high-array LED arrangement for high-brightness planar lighting. Mainly used for perspective contour imaging and large-format uniform illumination.
- Tracked worldwide shippingTracked UPS or DHL
- 3-year warranty, minimumCovers defects in materials and workmanship
- Expert machine-vision support includedFrom our engineering team, incl. a licensed P.E.
- Volume discounts and Net 30For approved business accounts; purchase orders welcome
- 90-day returnsUnused items, counted from delivery; free US return label; no restocking fee
- Secure checkout by ShopifyCard, PayPal, Shop Pay or Google Pay
Specifications
General
| Model | LS-BKL-1155 |
|---|
Interfaces and I/O
| Cable length (mm) | 500 |
|---|
Light
| Emitting surface (mm) | 34 x 25 |
|---|
Electrical
| Voltage | 24 V DC (12 V on request) |
|---|---|
| Power red (W) | 1.2 |
| Power white/blue/green (W) | 1.4 |
Mechanical
| Length (mm) | 56 |
|---|---|
| Width (mm) | 28 |
| Height (mm) | 18 |
| Mounting | dia. 3.5 holes in the two end tabs (no count printed) |
| Shipping weight | 0.20 kg |
Engineering data
Drive and fit the LS-BKL-1155
Worked out from the printed voltage, power and dimensions: what the light draws and what it needs from a controller.
Mounting and installation
| Mounting holes | Ø 3.5 mm |
|---|---|
| Cable | 0.5 m |
As printed in this model's specifications and dimension drawing. Check the drawing in Downloads before you drill a fixture.
Compatible parts
Fits with this part
Checked with the configurator's fit rules: lens mount and sensor coverage, supply voltage, power per channel and connector.
Controllers for this light
20 W per channel at 24 V for this 1.4 W light
4-channel 24 V analog LED light controller
LS-CTL-0461
- Channels 4
- Output 24 V
$150.00
Ships in 3-4 weeks
15 W per channel at 24 V for this 1.4 W light
2-channel 24 V digital LED light controller, 20 W, RS-232
LS-CTL-0476
- Channels 2
- Output 24 V
$165.00
Ships in 3-4 weeks
10 W per channel at 24 V for this 1.4 W light
24 W per channel at 24 V for this 1.4 W light
Multi-channel sequencing light controller, 8 ch, 120 W
LS-CTL-0579
- Channels 8
- Output DC 24 V
$399.00
Ships in 2-3 weeks
15 W per channel at 24 V for this 1.4 W light
16 channel digital LED light controller, 16 ch, 200 W
LS-CTL-0554
- Channels 16
- Output 24 V
$789.00
Ships in 2-3 weeks
12.5 W per channel at 24 V for this 1.4 W light
Application studies
Applications for this type of part
Real camera images from lighting and optics application tests, with the parts of each setup and why they were chosen.
Set up with the LS-BKL-1543, the same type of part

Plastics, rubber and ceramics
Comb tooth and gap inspection
Choose sampling for the smallest gap that must remain open.MethodWhite parallel backlightExplore the study
Set up with the LS-BKL-0806, the same type of part

Batteries and automotive
Cell tray positions
One large, even light makes every cell end look alike, so position errors stand out.Light in sourceLS-BKL-0806 · whiteExplore the study
Set up with the LS-BKL-0809, the same type of part

Electronics and devices
DIP lead tip line
Measure the tips in the silhouette, and calibrate before calling it flatness.Light in sourceLS-BKL-0809 · blueExplore the study
Other models in the Traditional surface light source (LS-BKL-S113) series
See all 38 models| Model | Emitting area | Price | Availability | Link |
|---|---|---|---|---|
| LS-BKL-1155This model | 34 x 25 mm | $139.00 | Ships in 2-3 weeks | |
| LS-BKL-1152 | 12 x 9 mm | $139.00 | Ships in 2-3 weeks | View |
| LS-BKL-1153 | 15 x 16 mm | $139.00 | Ships in 2-3 weeks | View |
| LS-BKL-1154 | 19 x 19 mm | $139.00 | Ships in 2-3 weeks | View |
| LS-BKL-1157 | 35.9 x 32.1 mm | $139.00 | Ships in 2-3 weeks | View |
| LS-BKL-1166 | 159 x 10 mm | $139.00 | Ships in 2-3 weeks | View |
| LS-BKL-1156 | 70 x 18 mm | $149.00 | Ships in 2-3 weeks | View |
| LS-BKL-1158 | 36 x 40 mm | $149.00 | Ships in 2-3 weeks | View |
| LS-BKL-1159 | $149.00 | Ships in 2-3 weeks | View | |
| LS-BKL-1161 | $149.00 | Ships in 2-3 weeks | View | |
| LS-BKL-1160 | $159.00 | Ships in 2-3 weeks | View | |
| LS-BKL-1162 | $159.00 | Ships in 2-3 weeks | View | |
| LS-BKL-1163 | $159.00 | Ships in 2-3 weeks | View | |
| LS-BKL-1164 | $169.00 | Ships in 2-3 weeks | View | |
| LS-BKL-1170 | $169.00 | Ships in 2-3 weeks | View | |
| LS-BKL-1165 | $179.00 | Ships in 2-3 weeks | View | |
| LS-BKL-1169 | 120 x 54 mm | $179.00 | Ships in 2-3 weeks | View |
| LS-BKL-1167 | 82 x 158 mm | $209.00 | Ships in 2-3 weeks | View |
| LS-BKL-1174 | 150.4 x 100.4 mm | $229.00 | Ships in 2-3 weeks | View |
| LS-BKL-1175 | $229.00 | Ships in 2-3 weeks | View | |
| LS-BKL-1171 | $259.00 | Ships in 2-3 weeks | View | |
| LS-BKL-1172 | $289.00 | Ships in 2-3 weeks | View | |
| LS-BKL-1176 | $289.00 | Ships in 2-3 weeks | View | |
| LS-BKL-1177 | $289.00 | Ships in 2-3 weeks | View | |
| LS-BKL-1180 | $319.00 | Ships in 2-3 weeks | View |





