Overview
Transparent filter tip pipettes are precision instruments used in laboratories for accurate liquid handling. Unlike standard pipettes, they incorporate filter tips that prevent sample carryover and protect users from inhaling harmful aerosols. The transparent design allows visual confirmation of liquid levels and tip filling. These pipettes are essential in applications requiring high reproducibility, such as PCR setup, cell culture, and clinical diagnostics. Manufacturers often color-code them by volume range (e.g., blue for 1000 µL) for quick identification. Modern versions may include features like electronic volume adjustment and data logging for regulated environments.
Structure and Working Principle
The pipette consists of a handle with a plunger mechanism and an ejector for disposable tips. Filter tips contain a porous polyethylene barrier that traps aerosols while allowing liquid passage. The transparent barrel enables users to monitor liquid aspiration and dispensing visually. Operation relies on air displacement: depressing the plunger creates a vacuum to draw liquid into the tip. Precision is achieved through calibrated spring mechanisms and O-ring seals. Higher-end models feature adjustable volume settings with digital displays and mechanical locks to prevent accidental adjustments during use.
Key Features
Aerosol protection is the primary feature, with filters blocking ≥99.9% of particulates. Transparency provides quality control advantages, allowing detection of bubbles or incomplete dispensing. Ergonomic designs reduce repetitive strain injuries, with some models weighing <200g. Advanced versions offer autoclavable components (up to 121°C) and chemical resistance to solvents like DMSO. Calibration certificates traceable to international standards (ISO 8655) are available for compliance-driven labs. Multi-channel variants (8 or 12 tips) increase throughput for microplate work.
Application Areas
Molecular biology labs use these pipettes extensively for DNA/RNA work to prevent cross-contamination between samples. In diagnostics, they ensure reliable reagent dispensing for ELISA and other tests. Pharmaceutical QC employs them for accurate media preparation and assay development. Cell culture applications benefit from sterile filtered tips maintaining aseptic conditions. Forensic labs value them for processing trace evidence without carryover. The COVID-19 pandemic increased demand for filtered tips in viral RNA extraction procedures.
Maintenance and Precautions
Regular calibration (annually or per manufacturer guidelines) maintains accuracy. Lubricate O-rings with manufacturer-specified grease to prevent sticking. Store vertically in holders to avoid fluid entry into the mechanism. Always pre-wet tips by aspirating and dispensing the liquid 2-3 times before actual use. Never exceed the pipette's volume range, as this damages the piston mechanism. For organic solvents, use positive displacement pipettes or special low-retention tips to prevent vapor penetration.
B2B Procurement Guide
For bulk purchases (500+ units), negotiate volume discounts of 10-25%. Verify ISO 17025 accredited calibration certificates for regulated industries. Consider bundled deals with tip racks or service contracts. Assess supplier lead times (typically 2-8 weeks for large orders) and minimum order quantities (MOQs). For OEM procurement, request material certifications (USP Class VI for medical-grade plastics). Environmental compliance documentation like RoHS and REACH may be required for European markets.
Related Manufacturers
- 主营：吸头、PCR管、八连管、移液管、离心管、离心瓶、培养板、培养瓶、培养皿、三角摇瓶
- 主营：离心瓶、透明管、超薄管、移液管、滤芯独立、灭菌带架、2ml双向、八联管、锥形管、白色管、离心管、样品杯、1ml液体、ep管压盖、灭菌细胞、黑色刻度、独立包装、医用聚苯、吸附能力、微量离心、蛋白吸附、包装吸管、转移液体、纸塑包装、白色框架
- 主营：离心瓶、深孔板、乳胶手套、移液管、滤芯吸头、离心管、巴氏吸管、丁腈手套、生物磁珠、冻存盒、冻存管、色谱柱、石墨管、抑制器、500ml离心瓶
- 主营：移液吸头、离心瓶、冻存管、滤芯吸头、螺口管、PCR管、八连管、细胞培养、吸头
- 主营：离心瓶、培养皿、样品管、滤芯吸头、移液管、滤芯吸嘴、冷冻管、连排管、八连管、螺口管、离心管、virya1250ul、细胞培养、生物科技、PCR管、PCR板
- 主营：1ml双向、移液器、发光板、移液管、滤芯吸头、滤芯盒装、培养板、螺口管、离心管、站立管、细胞培养、独立包装、避光管管、消毒螺口、液体处理、加长吸头、灭菌包装、实验室用品、酶标板透明、实验室玻璃、塑料培养皿、三角细胞摇瓶
- 主营：离心瓶、冻存管、冻存盒、移液管、巴氏吸管、细胞过滤器、乳胶手套、丁腈手套、淋洗液发生罐、样品瓶、导电吸头、采样锥、截取锥、离子色谱柱、离子抑制器、萃取池、氘灯、石墨管、萃取小柱
- 主营：黑色吸头、透明吸头、导电吸头、滤芯吸头、滤芯吸嘴、盒装吸头、工作站吸头、高透明吸嘴
- 主营：离心管、冷冻管、试剂槽、带刻度血清移液管、运输管
- 主营：培养箱、离心机、实时荧光pcr 仪、移液管、生物安全柜、超低温冰箱、电转仪、电穿孔、二氧化碳培养箱、赛默飞荧光定量PCR、二手赛默飞培养箱、伯乐荧光定量PCR仪、罗氏实时荧光量PCR、赛默飞分光光度计、赛默飞细胞计数仪、赛默飞超低温冰箱、赛默飞高速离心机、艾本德离心机、高速冷冻离心机、冷冻离心机、奥林巴斯显微镜、伯乐电穿孔仪、落地式离心机、赛默飞质谱仪、美谷分子酶标仪
- 主营：高耐磨、氧化锆、球磨机、移液管、聚氨酯、碳化硅、硬质合金、真空手套箱、尼龙球磨罐、聚四氟乙烯、土壤研磨机、刚玉球磨罐、不锈钢球磨罐、不锈钢手套箱、亚克力手套箱、惰性气体手套箱
- 主营：气元件、共聚物、电池盒、移液管、聚合物、聚丙烯、波形板、聚烯烃、成核剂、密封圈、连接器、成型周、均聚物、绝缘件、挤出tpu、密封件、电气性、改性料、尼龙、PPS、POM
- 主营：溶样瓶、监测仪、清洗罐、移液管、滤器1/4、雾化器、纯水机、储液瓶、试剂瓶、广口瓶、47mm滤膜、savillexpfa、瓶酸蒸馏、烟囱气体、组件容器、汞分析仪、分析仪ve7、黄金标样、saviillexpfa、紧固扳手、纯水系统、标准瓶盖、voc催化管、标准物质、pfa流量计、tracker3000xs
- 主营：igg抗体、糖蛋白、试剂盒、5ml移液管、脂蛋白、人瘦素、粗纤维、猪睾酮、烯二酮、nad激酶、测试盒、牛瘦素、牛胆酸、原果胶、磷酸酶、犬肾素、含水量、人蛋白、甜菜碱、igm抗体、dna抗体、磷脂酶、大鼠超、犬叶酸、人胆酸、样受体
- 主营：移液器、搅拌器、分析天平、2ml血清移液管、旋转蒸发仪、离心机、混匀仪、振荡器、摇床、金属浴、培养箱、显微镜、加热板、定氮仪、水分测定仪、超声波清洗机、水质检测仪、基因扩增仪、浓缩仪、洗瓶机、反应釜、电泳仪、超声聚焦打断仪、滴珠机、凝胶成像、酸纯化系统
- 主营：检测方、钠尿肽、试剂盒、5ml移液管、同源物、ep300检测、结合蛋白、大鼠c-肽(、微球蛋白、抗胰蛋白酶、淋巴瘤因子、蛋白磷酸酶、死亡激动剂、核心域蛋白1、大鼠e选择素、大鼠janus激酶、激活蛋白激酶、大鼠ⅱ型胶原、大鼠ⅳ型胶原、大鼠klotho蛋白、细胞激活因子、大鼠ⅲ型胶原、大鼠nadh脱氢酶1、大鼠ⅵ型胶原α1、elisa 检测试剂盒
- 主营：Elisa试剂盒、PCR试剂盒、PCR检测、1ml移液管、PCR检测试剂盒、核酸检测试剂盒、荧光定量检测试剂盒、荧光定量试剂盒、比色法检测试剂盒、生化试剂盒、比色法试剂盒、酶活性比色法检测试剂盒、酶活性检测试剂盒、微量法检测试剂盒、分光光度检测试剂盒、酶活分光光度试剂盒、ELISA试剂盒、ELISA检测、酶联免疫试剂盒、酶联免疫检测试剂盒、酶联免疫、细胞、抗体
- 主营：移液管、水质分析仪器、天平、培养箱
- 主营：试剂盒、elisa试剂盒、细胞、5ml移液管、pcr试剂盒
- 主营：ELISA试剂盒、PCR试剂盒、生化试剂盒、1ml移液管、蛋白、抗体、细胞
- 主营：酶cγ链、α2巨球、素d合成、1ml移液管、纤连蛋白、抗组蛋白、肌醇抗体、蛋白样环、敏感蛋白、牛骨钙素、蛋白重链、金属肽酶、乳球蛋白、钩端螺旋、蛋白激酶、高血糖素、钙调蛋白、小鼠α1抗、ELISA试剂盒、pcr检测试剂、生化检测试剂