www.spectraprecision.com
1. Keypad - Power, Accuracy, Units & Volume switches.
2. Beeper output - Fast, solid & slow audible signal.
3. Bubble Vial - aids in keeping HL450 level.
4. Anti-strobe sensor - Reduces false indication from
strobe lights.
5. SuperCell Reception Window - 4.0 in / 102 mm of
height.
6. Front LCD - Displays elevation, settings and status.
7. On-grade Mark - Aligned with laser center on-grade
reading.
8. Battery Door & Latch for two “AA” batteries.
9. Marking Notch (3.15 in / 80.0 mm from top).
10. Captive Screw Thread
11. Clamp Guides - Dimples align rod clamp.
12. Serial Number / ID Label.
13. Rear LCD - repeats indications of front LCD.
Front view
Rear view
Working Radius: 1 m - 400 m (3 ft - 1300 ft)
(Laser dependent):
Laser Detection Height: 102 mm (4“)
Numeric Readout Height: 76 mm (3“)
Accuracy (Dead band):
Fine 1.0 mm 0.05 in 1/16 in
Medium 5.0 mm 0.20 in 1/4 in
Calibration 0.1 mm 0.01 in 1/64 in
Reception Angle: ± 45° minimum
Detectable Spectrum: 610 nm ... 900 nm
Beeper Volumes: Loud = 100+ dBA
Low = 65 dBA
Power Supply: 2 x 1.5 Volt “AA” batteries
Battery Life: 70+ hours
Automatic Shut Off: 30 min
Environmental: Waterproof, Dustproof to IP67
Weight without clamp: 371 g (13.1 oz.)
Dimensions without clamp:
168.0 x 76.0 x 36.0 mm
(6.6” x 3.0” x 1.4”)
Operating Temperature: -20°C...+60°C (-4°F...+140°F)
Storage Temperature: -40°C...+70°C (-40°F...+158°F)
*Specifications subject to change without notice.
Precisional Operaons LLC warrants the HL450 to be free of
defects in material and workmanship for a period of three
years. Precisional Operaons LLC or its authorized service
center will repair or replace, at its opon, any defecve part,
or the enre product, for which noce has been given during
the warranty period. If required, travel and per diem expenses
to and from the place where repairs are made will be charged
to the customer at the prevailing rates. Customers should
send the product to Precisional Operaons LLC or the nearest
authorized service center for warranty repairs or exchange,
freight prepaid. Any evidence of negligent, abnormal use,
accident, or any aempt to repair the product by other than
factory-authorized personnel using Precisional Operaons
LLC cered or recommended parts, automacally voids the
warranty. The foregoing states the enre liability of Precisional
Operaons LLC regarding the purchase and use of its equipment.
Precisional Operaons LLC will not be held responsible for any
consequenal loss or damage of any kind. This warranty is in
lieu of all other warranes, except as set forth above, including
any implied warranty merchantability of tness for a parcular
purpose, are hereby disclaimed. This warranty is in lieu of all
other warranes, expressed or implied.
© 2022, Precisional Operaons LLC. All rights reserved.
Reorder PN 1277-3965B (09/22)
Specicaons Warranty
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EMC Declaraon of Conformity
This receiver has been tested and found to comply with the lim-
its for a Class B digital device for radio noise for digital apparatus
set out in the Radio Interference Regulaons of the Canadian
Department of Communicaon, and is pursuant to part 15 of
the Federal Communicaon Commission (FCC) rules. These lim-
its are designed to provide reasonable protecon against harm-
ful interference in a residenal installaon. This receiver gen-
erates radio frequency. If it’s not used in accordance with the
instrucons, it may cause harmful interference to radio or tele-
vision recepon. Such interference can be determined by turn-
ing the receiver o and on. You are encouraged to try eliminat-
ing the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separaon between the laser and the receiver.
For more informaon, consult your dealer or an experience
radio/television technician.
CAUTION: Changes or modicaons to the receiver that are not
expressly approved by Precisional Operaons LLC could void
authority to use the equipment.
Declaraon of Conformity
Applicaon of Council Direcve(s): 89/336/EEC
Manufacturer’s Name: Precisional Operaons LLC
Manufacturer’s Address: 3265 Logiscs Lane
Vandalia, Ohio 45377 U.S.A.
European Representave Address:
Spectra Precision (Kaiserslautern) GmbH
Am Sportplatz 5
67661 Kaiserslautern, Germany
Model Number: HL450
Conformance to Direcve(s): EC Direcve 89/336/EEC using
EN55022 and EN50082-1
Equipment Type/Environment: ITE/residenal, commercial
& light industrial
Product Standards: Product meets the limit B and
methods of EN55022
Product meets the levels and
methods of IEC 801-2, 8 kV air,
4 kV contact IEC 801-3, 3 V/m
26 to 1000 MHz 80%, @ 1 kHz
HL450
Digital Readout Receiver
User Guide
Precisional Operaons LLC
3265 Logiscs Lane
Vandalia, Ohio 45377 U.S.A.
Telephone: +1-888-527-3771
Spectra Precision (Kaiserslautern) GmbH
Am Sportplatz 5
67661 Kaiserslautern, Germany
Telephone: +49-6301-32213
www.spectraprecision.com
Noce to Our European Union Customers
For product recycling instrucons and more informaon, please go to:
https://www.trimble.com/en/our-commitment/responsible-business/product-
compliance/environmental-compliance
Instrucons for Return to ERFC:
•WEEE is to be shipped to the ERFC, clearly stang WEEE on the delivery note and / or packaging
•Specic product number and serial number informaon is not required
•Addional return authorisaon from Trimble Support is not required
•Delivery Address:
Trimble Europe B.V.
Industrieweg 187A
5683 CC, Best
The Netherlands
N324
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