J2-2光學經緯儀
J2-2光學經緯儀產品介紹（中文）
J2-2光學經緯儀是一種精密光學測角儀器，適用于工程測量、工業及大地測量等領域。該儀器采用正像望遠鏡設計，視場明亮清晰，成像質量優異。望遠鏡放大倍率為30倍，物鏡通光口徑為40mm，最短視距為2米，乘常數為100。儀器配備數字化讀數系統，測量數據讀取迅速可靠。垂直度盤采用自動歸零補償器設計，使垂直角度測量更加簡便精確。J2-2光學經緯儀采用加高加寬的一體化支架設計，可適配多種紅外測距儀使用。儀器一測回水平方向標準偏差為±2″，垂直角測量標準偏差為±6″，能滿足高精度測量需求。該儀器廣泛應用于三角及導線測量、精密工程測量、隧道及礦山施工測量、地籍測量、變形測量等領域，也可用于大型機械安裝和計量工作。儀器凈重6kg，采用三爪基座設計，便于野外作業使用。1236
J2-2 Optical Theodolite Product Introduction (English)
The J2-2 optical theodolite is a precision optical angle-measuring instrument suitable for engineering surveys, industrial measurements and geodetic surveys. It features an erect-image telescope with bright and clear field of view, providing excellent imaging quality. The telescope offers 30x magnification with a 40mm objective lens aperture, minimum sighting distance of 2 meters and multiplication constant of 100. Equipped with a digital reading system, the instrument ensures quick and reliable measurement data acquisition. The vertical circle incorporates an automatic index compensator, making vertical angle measurements more convenient and accurate. The J2-2 adopts an elevated and widened integrated bracket design that is compatible with various infrared distance meters. With horizontal direction standard deviation of ±2″ per set and vertical angle measurement standard deviation of ±6″, it meets high-precision measurement requirements. This instrument is widely used in triangulation and traverse surveys, precision engineering measurements, tunnel and mine construction surveys, cadastral surveys, deformation monitoring, and can also be applied in large machinery installation and metrology work. The instrument weighs 6kg net and features a three-screw base design for convenient field operation. 12421
產品特點與技術優勢
J2-2光學經緯儀采用半運動軸系設計，具有摩擦力矩小、耐磨性好的特點，軸系中的鋼珠和軸套錐面具有自動歸心作用，溫度變化對儀器影響較小。讀數系統采用對徑符合數字讀數方式，使用透射式度盤和1:1透鏡轉像系統，配合移動光楔測微器實現精確測量。望遠鏡鏡筒上下均裝有光學粗瞄準器，便于正倒鏡觀測時進行粗瞄。儀器內置反光板，可在夜間觀測時照明分劃板。分劃板附有保護玻璃，可清除污點而不損傷十字絲。儀器采用懸擺式補償器，能有效消除儀器整平后的殘余誤差對豎盤讀數的影響，補償精度達±0.3″，補償范圍為±3′。71317
Product Features and Technical Advantages
The J2-2 optical theodolite employs a semi-kinematic axis system design with low friction torque and excellent wear resistance. The steel balls and conical surfaces in the axis system provide automatic centering function with minimal temperature influence. The reading system adopts diametrical coincidence digital reading method, utilizing transmitted circle and 1:1 lens imaging system combined with movable optical wedge micrometer for precise measurements. Both upper and lower sides of telescope barrel are equipped with optical rough sights for coarse aiming during direct and reversed position observations. The built-in reflector plate enables reticle illumination for night observations. The protected reticle with cover glass allows cleaning without damaging crosshairs. The pendulum-type compensator effectively eliminates the influence of leveling residual errors on vertical circle readings, achieving compensation accuracy of ±0.3″ within ±3′ compensation range. 71218
J2-2光學經緯儀
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