Spectra GL422N-4 Dual Slope Grade Laser
Horizontal / Vertical Red Beam Laser - Rechargeable Batteries |
GL422N with HL450 Laserometer Receiver and Case
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The automatic, self-leveling Spectra Precision® GL422N dual grade lasers is the most rugged, cost-effective lasers that do three jobs—level, grade, and vertical alignment. Even in harsh jobsite conditions, the GL422N delivers consistently reliable and accurate performance, enabling you to work faster and smarter.
The rugged GL422N lasers can withstand drops of up to three feet onto concrete and tripod tipovers up to five feet. This strength, combined with full weatherproofing and dustproofing, reduces downtime and lowers repair costs over the life of the product.
The GL422N laser system now includes the advanced HL450 Digital Readout (DRO) receiver with 4-inch Reception Height
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| Spectra Precision GL422N-4 Dual Grade Laser Package INCLUDES |
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- GL422 Dual Grade Laser Transmitter
- HL450 Receiver with C45 Rod Clamp
- LARGE 4-inch Reception Height
- Rechargeable Batteries
- Small Carrying Case
- Multilanguage CD, Quick user guide and Safety Instructions
- 5-Year Warranty
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| Spectra GL422N-4 Key FEATURES and BENEFITS |
- GL422N is dual grade plus horizontal and vertical. Simple, accurate dial in grade from -10% to +15%
- Up to 2,600 ft working diameter which increases productivity by reducing need for multiple set-ups on a large job site
- Fully automatic self-leveling in both grade axis, horizontal, and vertical which provides fast, accurate setup in all applications
- 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
- OPTIONAL 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
- Customizable with choice of HL450, HL760 or CR700 receivers
- Mask mode eliminates interference from other crews on the jobsite
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| Spectra GL422N-4 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
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| Spectra Precision GL422N Dual Grade Laser SPECIFICATIONS |
| Leveling Accuracy |
± 1.5 mm/30 m
1/16" @ 100 feet
10 arc seconds |
| Operating Diameter |
800 m
2,600 feet |
| Grade Range |
-10% to +15% Dual Axis |
| Rotation |
300, 600 rpm |
| Laser Type |
red diode laser 650 nm |
| Laser Class |
Class 2, <3.4 mW |
| Self-Leveling Range |
±5° (±9%) |
| Leveling Indicators |
LCD indications and LED flashes |
| Radio Range HL760 |
up to 330 feet |
| Power Source |
10.000 mAh NiMH battery pack |
| Battery Life |
35 hours NiMH
50 hours Alkaline |
| Operating Temperature |
-4°F to 122°F |
| Storage Temperature |
-4° to 158°F |
| Tripod Attachments |
5/8 x 11 horizontally and vertically |
| Dust and Waterproof |
Yes - IP66 |
| Weight |
6.8 lbs |
| Low voltage indication |
LED battery indicator |
| Low voltage disconnection |
unit shuts off |
| Warranty |
5-Years |
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| HL450 Laser Receiver / Laserometer DETAILS - Included with the GL412N-4 Package |
The Spectra HL450 Laser Receiver is a Highly versatile receiver for basic and advanced leveling and aligning
 The Spectra Precision® HL450 Laserometer is an easy-to-use tool that accurately measures elevations across the site, and is ideal for use with any rotating transmitter.
The HL450 features a digital readout of elevation that provides a numeric display of ± 40 mm or ±1.5 inches. The readout is displayed on the large front and rear LCD’s and shows exactly how far the elevation is from on-grade. Accurate measurements can be made without moving the rod clamp, saving time and increasing productivity.
The HL450 has a 4-inch reception height, double the typical industry standard, which allows quick acquisition of the laser beam. Also included is a patented anti-strobe sensor that prevents construction lights from setting off the receiver and makes it easier to identify the laser beam signals.
The Laserometer is designed to survive the tough construction site conditions. It is totally waterproof and can withstand a drop up to 5-feet onto concrete.
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Spectra HL450 Laserometer Features and Benefits:
- Digital Readout of Elevation allows faster readings by displaying the exact numerical distance from grade, eliminating the need to move the receiver to get to "on-grade".
- Anti-Strobe Sensor stops construction strobe lights from setting off the receiver and eliminates phantom strikes for easier identification of true laser beam signals.
- Large reception height allows faster readings by acquiring the beam quickly, and makes it easier to stay in the beam.
- Durable in tough environments provides less downtime due to damage or service requirements after accidental drops.
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Spectra HL450 Digital Readout Receiver SPECIFICATIONS
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| Digital readout units |
mm, cm, feet, inches, fractional inch |
| Reception height |
4-inches |
| Numeric Readout height |
3-inch |
| Working Radius |
3' to 1,300 foot (laser dependent) |
| Six On-grade sensitivities |
Fine ~1/16 inch |
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Medium ~1/4 inch |
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Calibration Mode ~1/64 inch |
| Battery Power |
2 x 1.5 Volt "AA" Batteries |
| Battery Life (2 AA) |
70+ Hours continuous operation |
| Reception Angle |
± 45° minimum |
| Detectable Spectrum |
610 nm ... 900 nm
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| Beeper Volume |
Loud = 100+ dBa
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Low = 65+ dBa |
| Auto shut-0ff |
30 minutes / 24 hours |
| Operating Temp |
-4°F to 140°F |
| Dust and Waterproof |
Yes - Waterproof / Dustproof IP67 |
Weight w/o clamp
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13.1 oz |
| Warranty |
3 Years "No Excuses" |
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| OPTIONAL - Spectra Precision RC402N Remote Control - OPTIONAL in GL422N-4 Laser Package |
| The Spectra RC402N remote control mirrors the basic functionality of the laser keypad and offers additional features using the M and E buttons. This RC402N Remote allows you to control the laser features and functions up to 330-feet away from the laser. Allowing for one person operation in many jobsite applications. |
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Spectra RC402N Remote Controls...
- Manual Grade
- Rotation Speed
- Scan Mode Pre-Selected scan sizes
- 5°, 15°, 45°, 90°, 180°, 0°
- Line Scan (Vertical Setup)
- Beam Plunge (Vertical Setup)
- Mask Mode
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| Wireless Remote Specifications |
| Operating Range |
330-feet |
| Power Source |
2 x 1.5V AA Alkaline Batteries |
| Battery Life |
130 Hours |
| Dust and Waterproof |
Yes - IP66 |
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| GL4x2N Series Package COMPARISION |
| Part # |
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Remote |
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SINGLE GRADE GL412N PACKAGE OPTIONS
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| SINGLE GRADE - STANDARD PACKAGES |
| GL412N |
HL760 Deluxe Receiver
with C70 Receiver Adapter
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RC402N |
View Price $ |
| GL412N-4 |
HL450 Deluxe Receiver
with C45 Receiver Adapter
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| GL412N-14 |
CR600 Machine and Rod Mount Receiver
with C50 Rod Clamp and C51 Magnetic Mount |
RC402N |
View Price $ |
| GL412N-NR |
HL760 Deluxe Receiver
with C70 Receiver Adapter |
NO
REMOTE |
View Price $ |
| SINGLE GRADE - COMPLETE PACKAGES |
| GL412N-17 |
HL760 Deluxe Receiver
with C70 Receiver Adapter
and 105516 Vertical Adapter
Heavy-Duty Tripod, Measuring Rod (10ths)
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RC402N |
View Price $ |
| GL412N-27 |
HL760 Deluxe Receiver
with C70 Receiver Adapter
and 105516 Vertical Adapter
Heavy-Duty Tripod, Measuring Rod (Inches) |
RC402N |
View Price $ |
| GL412N-16 |
CR600 Machine and Rod Mount Receiver
with C50 Rod Clamp and C51 Magnetic Mount
Heavy-Duty Tripod, Measuring Rod (10ths)
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RC402N |
View Price $ |
| GL412N-26 |
CR600 Machine and Rod Mount Receiver
with C50 Rod Clamp and C51 Magnetic Mount
Heavy-Duty Tripod, Measuring Rod (Inches) |
RC402N |
View Price $ |
DUAL GRADE GL422N PACKAGE OPTIONS
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| DUAL GRADE - STANDARD PACKAGES |
| GL422N |
HL760 Deluxe Receiver
with C70 Receiver Adapter
and 105516 Vertical Adapter
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RC402N |
View Price $ |
| GL422N-4 |
HL450 Deluxe Receiver
with C45 Receiver Adapter |
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| GL422N-14 |
CR600 Machine and Rod Mount Receiver
with C50 Rod Clamp and C51 Magnetic Mount |
RC402N |
View Price $ |
| GL422N-NR |
HL760 Deluxe Receiver
with C70 Receiver Adapter
and 105516 Vertical Adapter
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NO
REMOTE |
View Price $ |
| DUAL GRADE - COMPLETE PACKAGES |
| GL422N-17 |
HL760 Deluxe Receiver
with C70 Receiver Adapter
and 105516 Vertical Adapter
Heavy-Duty Tripod, Measuring Rod (10ths) |
RC402N |
View Price $ |
| GL422N-19 |
HL760 Deluxe Receiver
with C70 Receiver Adapter
and 105516 Vertical Adapter
HD Elevator Tripod, Measuring Rod (10ths) |
RC402N |
View Price $ |
| GL422N-27 |
HL760 Deluxe Receiver
with C70 Receiver Adapter
and 105516 Vertical Adapter
Heavy-Duty Tripod, Measuring Rod (Inches) |
RC402N |
View Price $ |
| GL422N-29 |
HL760 Deluxe Receiver
with C70 Receiver Adapter
and 105516 Vertical Adapter
HD Elevator Tripod, Measuring Rod (INCHES) |
RC402N |
View Price $ |
| GL422N-16 |
CR600 Machine and Rod Mount Receiver
with C50 Rod Clamp and C51 Magnetic Mount
Heavy-Duty Tripod, Measuring Rod (10ths) |
RC402N |
View Price $ |
| GL422N-26 |
CR600 Machine and Rod Mount Receiver
with C50 Rod Clamp and C51 Magnetic Mount
Heavy-Duty Tripod, Measuring Rod (Inches) |
RC402N |
View Price $ |
All part numbers include laser transmitter, case and
NiMH rechargeable battery pack and charger |
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| NEED HELP or HAVE QUESTIONS? Give us a call 1-877-866-5721 |
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