These Single Channel Pipettors are used whenever precise transfer of liquid is required. Manufactured to engineered tolerances which are exceptionally rigid, digital pipettors are offered in various sizes and styles with tip ejector models and without tip ejector capabilities. Variable volume and fixed volume pipettors are equipped with contoured hand grips for user comfort. Color coding is placed on plunger which makes pipet tip selection simple and easy to see. Certificates of traceability to standards provided by NIST are available. Reproducibility is assured by using components of durable PTFE seals and polished stainless steel pistons.