• Features
  • Specifications

RL-H4C

    RL-H4C Features :

    • Wide Working Range for All Type of Projects
    • High Accuracy 10" (1.5mm@30m, 1/16in.@100ft.)
    • Easy Operation
    • Slope Matching Capability
    • 3 Power Sources
    • 100h/60h Long Battery Life
    • Large Dual Handles
    • IP66 Dust/Water Protection
    • LS-80L Long-range Sensor
    • Stackable Carrying Case

RL-H4C

RL-H4C Specifications

Working Range (Diameter) 800m (2,620ft.) w/LS-80L sensor
Horizontal Accuracy ±10" (±1.5mm@30m, ±1/16in.@100ft.)
Self-Leveling Range ±5°
Slope Single-Axis, Manual Slope Matching
Laser Source Red Laser Diode, 635nm (Visible)
Laser Class CDRH (FDA) Class IIIa / IEC Class 3R
Rotation Speed 600rpm
HI Alert Warning on both of RL-H4C and laser sensors
Low Battery Warning Warning on both of RL-H4C and laser sensors
Dust and Water Protection IP66 (IEC 60529)
Operating Temperature -20°C to +50°C (-4°F to +122°F)
Dimension 177(L) x 196(W) x 217(H)mm (7.0(L) x 7.7(W) x 8.5(H)in.)
Weight 2.4kg (5.3 lbs) including four D/LR20 batteries
Power Supply* Four D/LR20 dry-cell batteries
Operating Time at 20°C (68°F) Approx. 100 hrs w/alkaline batteries
Recharging Time for BT-74Q Approx. 13 hrs

* RL-H4C "Rechargeable Battery Package" includes all accessories necessary for three power sources.

LS-80L Laser Sensor

On-Grade Precision High ±1mm (±0.04in.)
Normal ±2mm (±0.08in.)
Grade Information Channel 9 Channels (plus high/low out of range)
Beam Detection Width 50mm (2.0in.)
Display LCD on each side
Buzzer Loud/Low/OFF
Icons for RL-H4C Warnings HI Alert, Low Battery
Battery Level Indicator LCD Icon
Auto Shut-off Approx. 30 minutes
Dust and Water Protection IP66 (IEC 60529)
Operating Temperature -20°C to +50°C (-4°F to +122°F)
Dimension 146(L) x 76(W) x 26(H)mm (5.7(L) x 3.0(W) x 1.0(H)in.)
Weight 190g (6.7oz.) including two AA/LR6 batteries
Battery Two AA/LR6 dry-cell batteries
Operating Time at 20°C (68°F) Approx. 120 hrs w/alkaline

Laser Sensor Lineup

Sensor LS-80L LS-90) LS-80A LS-80B
Working Range (dia.)* 800m(2,620ft.)   700m (2,230ft)
On-grade Precision ±1mm/±2mm
Grade Information Channel 9 9 9 5
Display LCDx2 LCDx2+LED LCDx2 LCDx1
RL-H4C Warning Icons Y Y Y Y
Bubble Tube n/a Y n/a n/a
Remarks Standard for RL-H4C Option for RL-H4C