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    • Home  / Product Manuals & Documentation
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    Linear Doorgard 212LS Electronic Access Control Lockset — Product Specifications

    September 08, 2026 2 min read

    Specifications for the Linear Doorgard 212LS Electronic Access Control Cylindrical Lockset — a durable, weatherproof keypad lock for indoor/outdoor use.

    💾 Download Original PDF
    Full text manual (for reference)

    Product specification sheet for the Linear Doorgard 212LS Electronic Access Control Cylindrical Lockset — a durable, weatherproof, keypad-based lock for both indoor and outdoor commercial and residential use.

    Overview

    The Doorgard 212LS is durable, weatherproof, and designed for both indoor and outdoor commercial and residential use. As an added security feature against forced entry, the handle will not mechanically engage the cylinder in the event of a non-recognized entry code.

    A master password control system stores and recognizes up to 120 passwords and allows for the instant elimination of unwanted users. Two mechanical keys are provided for optional use during emergency situations. The lock is powered by four AA 1.5-volt batteries designed for 15,000 keypad activations, translating to approximately 5 years of usage based on 10 activations per day. Batteries not included.

    Features / Benefits

    • Standard IEI programming
    • Durable construction designed to last more than 10 years
    • Clutch lever design
    • Long battery life (15,000 keypad activations) with low battery alert
    • Passwords are stored during battery removal
    • Easy to install into a standard cylindrical door prep (ANSI 151.8)
    • 15-minute installation; all mounting hardware included
    • Master password control system
    • 120 user codes
    • Invalid code lockout for 20 seconds after 3 incorrect password attempts
    • Override key for emergency situations (2 keys included)
    • 2-year limited warranty

    Models

    • 212LS-CUS3CR-RT (Polished Brass, Right Hand Opening)
    • 212LS-CUS3CR-LT (Polished Brass, Left Hand Opening)
    • 212LS-C26DCR-RT (Brushed Chrome, Right Hand Opening)
    • 212LS-C26DCR-LT (Brushed Chrome, Left Hand Opening)

    Specifications

    Spec Value
    Lock Body Grade 2 electronic cylindrical lockset with clutch mechanism
    Latch Grade 2
    Backset 2 3/8" and 2 3/4"
    Strike Plate 2 3/4" "T" strike
    Cylinder Solid brass US Standard
    Finish Available in Brushed Chrome (26D) and Polished Brass (US3)
    Size 8.4L x 7.3W x 10.2H (in) / 21.4L x 18.5W x 25.9H (cm)
    Compliance Standards ANSI/BHMA A 156.2-2003
    Working Voltage 4 AA batteries, 1.5V alkaline, DC 6V (batteries not included)
    Static Power Consumption Less than 30μA
    Service Life of Batteries Opening a door 15,000 times in normal cases
    Number of Codes 120
    Password Length 1–6 digits
    Low Voltage Indicator 4.8V
    Temperature Rating -30°C ~ 70°C
    Working Humidity 10% ~ 97%
    Electrostatic Resistance >15000V

    Company Information

    Linear LLC — Now part of a larger family of home automation brands. 1950 Camino Vida Roble, Suite 150, Carlsbad, CA 92008. 800.421.1587 • www.linearcorp.com. © 2012 Linear LLC. P/N 232809A.