產品名稱：袖珍經緯儀 DQL-2A
Product Name: Pocket Transit DQL-2A
產品概述 | Overview
DQL-2A 袖珍經緯儀是一款基于磁針指向原理設計的便攜式方位測量工具，通過刻度盤與磁針的協同作用，幫助用戶快速識別目標方向或測量物體間的水平角度。其緊湊的外形與直觀的操作方式，適用于戶外勘察、地形測繪、基礎工程定位及教學演示等場景，為使用者提供可靠的方位參考依據。
The DQL-2A Pocket Transit is a compact directional measurement tool utilizing magnetic needle guidance principles. By integrating a calibrated dial with a precision magnetic needle, it enables rapid identification of target bearings and measurement of horizontal angles between objects. With its portable design and user-friendly operation, this device serves as a practical solution for outdoor surveys, topographic mapping, basic engineering alignment, and educational demonstrations, delivering dependable directional references across diverse scenarios.
核心特點 | Key Features
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輕量化結構設計：整機重量低于300克，機身采用高強度輕質材質打造，可輕松收納于隨身工具包或口袋，滿足野外作業的移動性需求。
Lightweight Structure: Weighing under 300 grams and constructed with high-strength lightweight materials, the device is easily portable in toolkits or pockets, ideal for mobile operations in field environments.
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磁針定向系統：內置靈敏度可調磁針，配合360°全角度刻度盤，可快速捕捉地磁場方向，讀數分辨率達1°，支持單人或雙人協作測量。
Magnetic Orientation System: Equipped with an adjustable-sensitivity magnetic needle and a full 360° graduated dial, the system swiftly aligns with Earth s magnetic field, providing 1° resolution for both individual and two-person measurement operations.
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多功能刻度顯示：主刻度盤采用雙色蝕刻工藝，黑色基底搭配白色刻度線確保晝夜可視性，外圈方位角刻度與內圈象限角刻度雙重標定，適配不同測量習慣。
Dual-Scale Display: Featuring a two-tone etched dial with high-contrast white markings on a black background for day/night visibility. The outer azimuth scale and inner quadrant angle scale accommodate varied measurement preferences.
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環境適應性：配備阻尼液穩定系統和防偏移卡鎖裝置，有效降低手持震動或瞬時沖擊對讀數精度的影響，可在-20℃至50℃溫度范圍內保持性能穩定。
Environmental Resilience: Incorporates a damping fluid stabilization system and anti-drift locking mechanism to minimize vibration and shock interference, maintaining measurement accuracy within a temperature range of -20℃ to 50℃.
應用場景 | Applications
• 戶外探險導航輔助
• 基礎工程現場放線定位
• 地理信息采集教學實踐
• 農林地塊邊界簡易勘測
• 傳統測繪方法對比驗證
Applicable Scenarios:
• Wilderness navigation support
• Preliminary construction site layout
• Geographic data collection training
• Agricultural land boundary assessment
• Traditional surveying method verification
操作說明 | Operation
通過旋轉透明蓋板對齊目標物，待磁針靜止后讀取指向刻度值。外圈刻度直接顯示磁方位角（0°-360°），內圈刻度支持象限角快速換算，配合內置水準泡可同步校準設備水平狀態。
Align the target through the rotating transparent cover, then read the stationary needle s position on the dial. The outer scale displays magnetic azimuth (0°-360°), while the inner scale facilitates quadrant angle conversion. A built-in spirit level allows simultaneous horizontal calibration.
產品價值 | Value Proposition
DQL-2A 以經典磁力指向原理為基礎，通過機械結構優化實現測量效率與便攜性的平衡，為需要快速獲取方向信息的場景提供免電力、易維護的解決方案，尤其適合作為電子設備的輔助校驗工具或偏遠地區作業的備用方案。
The DQL-2A combines proven magnetic orientation technology with optimized mechanical design to balance measurement efficiency and portability. This battery-free, low-maintenance solution delivers instant directional data, serving as an effective backup for electronic equipment validation or remote area operations.
