Overview: The document provides detailed specifications and features of the LA-1000/4000 series sound level meters, designed for a wide range of applications. These meters are categorized into Type 1 and Type 2, offering various functionalities to suit different measurement needs.
Specifications: The sound level meters have a linearity range of 85 dB and a long battery life of approximately 40 hours. They are lightweight, weighing around 260g, and are equipped with memory for storing measurement conditions and data. The meters can measure parameters such as Leq, LAE, Lmax, and Lx simultaneously.
Features: Key features include a measurement condition storage function, key protect function to prevent accidental operation, and a time-scheduled operation for environmental measurements. The meters also support comparator output and external control settings, allowing for enhanced measurement capabilities.
Models and Capabilities: The series includes models like LA-1210, LA-1220, LA-1240, LA-1250, LA-1350, LA-4240, and LA-4350, each with specific features. For instance, the LA-1250 includes a timer-measurement function and back-erase function, while the LA-4240 and LA-4350 offer peak measurement capabilities.
Memory and Data Handling: The meters provide manual memory for 300 data sets and block memory for 14,400 sets of measurement results. The timer-measurement function allows for automatic measurement with power-saving features to extend battery life.
Connectivity and Control: The meters support RS-232C connectivity (except LA-1210) and can be extended with BNC cables for signal transmission. External control functions enable operations like starting and stopping measurements and outputting data to printers.
Accessories and Options: Various accessories are available, including extension cables, connector cables, acoustic
calibrators, and printers. Optional features like comparator output and external control are available in some regions.
Standards and Compliance: The meters comply with standards such as JIS C1520, IEC60651, IEC60804, and ANSI S1.4, ensuring high accuracy and reliability in measurements.