J2-2光學(xué)經(jīng)緯儀
J2-2光學(xué)經(jīng)緯儀產(chǎn)品介紹（中文）
J2-2光學(xué)經(jīng)緯儀是一種精密光學(xué)測角儀器，適用于工程測量、工業(yè)及大地測量等領(lǐng)域。該儀器采用正像望遠(yuǎn)鏡設(shè)計(jì)，視場明亮清晰，成像質(zhì)量優(yōu)異。望遠(yuǎn)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(shù)為100。儀器配備數(shù)字化讀數(shù)系統(tǒng)，測量數(shù)據(jù)讀取迅速可靠。垂直度盤采用自動歸零補(bǔ)償器設(shè)計(jì)，使垂直角度測量更加簡便精確。J2-2光學(xué)經(jīng)緯儀采用加高加寬的一體化支架設(shè)計(jì)，可適配多種紅外測距儀使用。儀器一測回水平方向標(biāo)準(zhǔn)偏差為±2″，垂直角測量標(biāo)準(zhǔn)偏差為±6″，能滿足高精度測量需求。該儀器廣泛應(yīng)用于三角及導(dǎo)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(lǐng)域，也可用于大型機(jī)械安裝和計(jì)量工作。儀器凈重6kg，采用三爪基座設(shè)計(jì)，便于野外作業(yè)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(chǎn)品特點(diǎn)與技術(shù)優(yōu)勢
J2-2光學(xué)經(jīng)緯儀采用半運(yùn)動軸系設(shè)計(jì)，具有摩擦力矩小、耐磨性好的特點(diǎn)，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(shù)系統(tǒng)采用對徑符合數(shù)字讀數(shù)方式，使用透射式度盤和1:1透鏡轉(zhuǎn)像系統(tǒng)，配合移動光楔測微器實(shí)現(xiàn)精確測量。望遠(yuǎn)鏡鏡筒上下均裝有光學(xué)粗瞄準(zhǔn)器，便于正倒鏡觀測時(shí)進(jìn)行粗瞄。儀器內(nèi)置反光板，可在夜間觀測時(shí)照明分劃板。分劃板附有保護(hù)玻璃，可清除污點(diǎn)而不損傷十字絲。儀器采用懸擺式補(bǔ)償器，能有效消除儀器整平后的殘余誤差對豎盤讀數(shù)的影響，補(bǔ)償精度達(dá)±0.3″，補(bǔ)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(xué)經(jīng)緯儀
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