Spectra Precision HR320 Laser Receiver with C59 Rod Clamp

The Spectra Precision HR320 is a durable and easy-to-use laser receiver designed for basic elevation control applications. Compatible with red beam rotating lasers, it features dual LCD displays (front and back), clear visual grade indicators, and audible signals that guide users to high, low, or on-grade positions. With two selectable grade sensitivity settings—fine (±2.0mm) and coarse (±6.0mm)—it’s perfect for general construction, site prep, and foundation work.

The HR320 has a 50mm (2 inch) capture height and a 90° acceptance angle, providing fast beam detection even when slightly off-axis. It is powered by two AA alkaline batteries, offering up to 70 hours of continuous operation, and includes automatic shutoff after 30 minutes of inactivity to preserve battery life. Ruggedly built and rated for operation from –20 °C to +60 °C, the HR320 can withstand demanding field conditions. The included C59 rod clamp allows easy attachment to grade rods or poles.

Key Features:

• Dual LCD Displays – Front and back displays for easy reading from either side

• Audio Feedback – Beeps fast when high, slow when low, continuous on-grade

• Selectable Sensitivity – Fine: ±2.0mm (1/16"), Coarse: ±6.0mm (1/4")

• Capture Height – 50mm (2 inches) with clear marking notch

• Acceptance Angle – 90° for reliable beam detection

• Battery Life – Up to 70 hours using 2 AA alkaline batteries

• Auto Shutoff – Powers down after 30 minutes of inactivity

• Rugged Design – Withstands field use in wide temperature ranges

• Rod Clamp Included – General-purpose C59 clamp attaches securely to rods or poles

What’s Included:

• HR320 Laser Receiver

• C59 Rod Clamp

• 2 AA Batteries

• User Guide

The HR320 is a reliable, affordable solution for professionals needing basic laser detection and grade control on any jobsite.