LS-B4

The easy-to-use LS-B4 is designed to boost machine production and give you accurate, one-person control at a price suitable for any budget.

Using a laser as its reference, the LS-B4 visually provides the machine operator with grade information needed for continuous, accurate work. Fewer passes are required to reach final grade, so operators benefit from the LS-B4's timesaving simplicity.

LS-B4 features:

  • Bright 3-color display
  • Cordless operation
  • Optional remote display
  • Indicate or automatic control

Bright 3-color display:
Yellow lower indication, green on-grade indication, and red raise indication.

Selectable on-grade band widths:
Fine mode: ± 6mm, Coarse mode: ± 20mm
Optional rechargeable batteries for cordless use.

Power-saving mode and auto-shutoff:
The sensor automatically powers down to prolong battery life when not in use.
The unique photocells are compatible with all brands of laser transmitters.

Universal clamp (LS-B4A and LS-B4B):
Allows simple transfer from one machine to another. Works easily with any machine so you only need one receiver for any job.

Trackerjack and RD-2 compatible:
Use with the RD-2 remote display unit for grade indication right in the cab or buy a stand-alone sensor to mount on a Trackerjack pole!

LS-B4 Specifications
Detector
Detector Length 7.875 ", 200 mm
Detector Angle 360°
Display
On-Grade Zone (LED) 0.79 inches, 20 mm
LED Grade Indicators Red (up arrow) , Red (–), Red (down arrow)
Physical
Mountings magnet mount threadably fixed, pole clamp threadably fixed
Dual Sided Magnet Mount yes
Buttons 1 power, 1 mode
Ports RS-485
Connectors one, Mil. Spec. 11 pin bayonet
Housing plastic mold
Batteries 2 D dry cell Alkaline, NIMH rechargeable
Battery Life Approximately 60 Alkaline hours, Approximately 40 rechargeable hours
Environmental
Operating Temperature -20 to +50 degrees Celsius
Storage Temperature -30 to +60 degrees Celsius
Humidity 95% 40°C 48H
Vibration JIS A 8101
Electrical EN55022 Class A, IEC801-2, IEC801-3
Waterproof IPX6
Other
Optional Remote Grade Display yes; RD-2
Power Save and Laser-on sleep in after 5 min with no beam detection, power back upon vibration
Auto Shutoff after 1 hour

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