| Laser Receivers for Every Application!
TOPCON LS-80A/B Receivers
Detective range: 2.0 in (50 mm)
Detective precision:
-High precision ±0.04 in (±1mm)
-Normal precision ±0.08 in (±2mm)
Detective beam indication:
Liquid crystal:
- both sides (LS-80A)
-front side only (LS-80B)
Buzzer: (LS-80A/B)
Power source: Two AA-size dry batteries
Time for auto-cutoff: Approximately 30 minutes
Waterproof property/dust resistance: JIS protection grade IP66
Operating temperature: -4º F to +122º F (-20º C to 5º0 C)
Continuous operating time: Alkaline magnesium dry batteries approximately 120 hours

TOPCON LS-B2 FOR DOZERS
Mount it on your machine, elect the accuracy and go to work. 
- 360º receiving
- 4 selectable on-grade settings
- Alkaline or rechargeable battery operation
- Automatics capability is built-in
- Bright LED's adjust to ambient light
- Quick-release clamp for fast setup
- Advanced photocells for maximum accuracy
- System 4 & 5 compatible
TOPCON LS-B3 FOR
EXCAVATORS & BACKHOES
Your backhoe may be the most important piece of equipment you own. Now, with the easy-to-use LS-B3 backhoe indicate system, we make itthe most productive as well!
- Selectable on-grade positions
- Auto sleep, Auto shut-off with Bumpstartâ„¢
- Low battery indication on LS-B3 and laser
- Laser out-of-level indication
- Non-slip magnetic mount with optional mechanical clamp
- Durable waterproof housing
TOPCON LS-B4 FOR EXCAVATORS & BACKHOES
Use it by itself or as an addition to your system 4 or 5.
Mounts quickly using the integrated handle/mounting bracket.
- 360º receiving
- Multi-colored display
- Alkaline or rechargeable battery option
- Selectable on-grade accuracy
- System 4&5 compatible
- Rechargeable, alkaline or 12V operation packages available
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