Item Brochure
8 
VISIT OUR WEB SITE AT WWW.TRIMBLE.COM/SPECTRA 
Grade Lasers
Spectra Precision GL412
Part No. Receiver Clamp Remote
GL412 HL700 Rod Clamp with Bubble Vial RC402
GL412-14 CR600 C50 Rod Clamp and 
C51 Magnetic Mount
RC402
All product numbers include GL412 transmitter, remote, case and NiMH rechargeable battery pack and charger.
Features & Benefits
 » GL412 is single grade plus 
horizontal and vertical. Simple, 
accurate dial in grade from 
-10% to +15% 
 » Up to 2,000 ft (600 m) working 
diameter which increases 
productivity by reducing need 
for multiple set-ups on a large 
jobsite
 » Fast setup, minimal training 
time and automatic self-
leveling minimize operating 
costs and boost productivity
 » Highly rugged design and 
patented lighthouse seal 
protects the rotor head and 
glass and offers superior drop 
and weather protection for 
reduced downtime
 » 2-way full function remote 
control allows grade changes 
to be made from anywhere on 
the jobsite
 » Temperature calibrated for 
high accuracy over wide 
temperature changes
 » IP66 dust and water-proof 
to withstand harsh jobsite 
conditions
 » Choice of HL700 or CR600 
receivers
 » Mask mode eliminates 
interference from other crews 
on the jobsite
 » 5 Year Warranty
Versatile automatic single grade laser for level, grade, and vertical alignment
RC402 Remote Control
Spectra Precision GL422
Versatile automatic dual grade laser for level, grade, and vertical alignment
RC402 Remote Control
Features & Benefits
 » GL422 is dual grade plus 
horizontal and vertical. Simple, 
accurate dial in grade from 
-10% to +15%. 
 » Up to 2,600 ft (800 m) working 
diameter which increases 
productivity by reducing need 
for multiple set-ups on a large 
jobsite
 » Fully automatic self-leveling 
in both grade axis, horizontal, 
and vertical which provides 
fast, accurate setup in all 
applications
 » Highly rugged design and 
patented lighthouse seal 
protects the rotor head and 
glass and offers superior drop 
and weather protection for 
reduced downtime
 » 2-way full function remote 
control allows grade changes 
to be made from anywhere on 
the jobsite
 » Temperature calibrated for 
high accuracy over wide 
temperature changes
 » IP66 dust- and water-proof 
to withstand harsh jobsite 
conditions
 » Choice of HL700 or CR600 
receivers
 » Mask mode eliminates 
interference from other crews 
on the jobsite
 » 5 Year Warranty
Part No. Receiver Clamp Remote
GL422 HL700 Rod Clamp with Bubble Vial RC402
GL422-14 CR600 C50 Rod Clamp and 
C51 Magnetic Mount
RC402
All product numbers include GL422 transmitter, remote, case and NiMH rechargeable battery pack and charger.
Applications
 » Leveling concrete forms 
and footers 
 » General construction 
vertical alignment and 
plumb such as anchor bolt 
and form alignment
 » “Over the top” sewer 
and storm drain pipe 
installations
 » Driveways and ramps
 » Grading and excavating
 » Trenching
See Product Specifications  
on Page 24
See Product Specifications 
Starting on Page 21.
Applications
 » Leveling concrete forms 
and footers 
 » General construction vertical 
alignment and plumb such 
as anchor bolt and form 
alignment
 » “Over the top” sewer and 
storm drain pipe installations
 » Sports fields, tennis courts 
and driveways 
 » Grading and excavating
 » Steep slope road 
embankments and ditch 
banks
 » Ramps and drainage
See Product Specifications  
on Page 24










