CA 1:5 L Micro-Series

Classic CA 1:5 Highspeed Handpieces (Bien Air)

There are some devices still earning respect and admiration forty years in, and Bien-Air’s classic CA 1:1 and CA 1:5 electric handpieces are two of them. Forever evolving, their dominating productivity and remarkable durability make them the most popular models in the lineup. The series’ fully redesigned bur-locking and rotation drive mechanism ensures micron-precise concentricity and stability, while a 60 to 200,000 rpm speed range lets you complete the most intricate restorative work with incredible accuracy – and on your own terms. CA 1:1 and CA 1:5 epitomize the reliability and quality Bien-Air has built its reputation on.

Accu-Spray Sep.3 with dualook™ illumination

This ultra-precise nebulization system is composed of three separate air and water sprays providing comprehensive cooling to the bur and treatment site. Combined with two dualook™ multi-strand optical glass conductors, unobscured intraoral visibility is guaranteed from wider angles.

Accu-Chuck™ bur-locking and rotation drive mechanism

This proven bur-locking and vibration-canceling system vouches for optimal stability and precision, no matter the rotational speed. Assembled with Bien-Air's Soft Push™ button, bur release is quick and easy.

Cool Touch™ safety

Conveniently integrated into the head’s push button, this patented anti-heating technology is designed to maintain the instrument’s head at a safe temperature, thereby significantly decreasing patient burn injuries.

Soft Push

Bien-Air’s unique push-button insert locking mechanism. Light pressure is all that is needed. Bur changing is quick and comfortable. This mechanism guarantees firm yet precise locking.


  • Transmission Ratio: 1:5
  • Maximum Speed: 200,000 RPM
  • Head Diameter: 9.8mm
  • Head Size: 15.5mm (22.9mm with bur 19mm)
  • Noise Level: 58 dBa
  • Spray System: 2x3 separate air/water sprays
  • Lighting System: Multi-strand optical glass technology
  • Coupling System: ISO 3964 & Bien-Air Micro-Series
  • Warranty: 2-year standard warranty

MPN #1600690-001
Weight:1.00 lbs.


You may also interested in related products:

MPN # Product Price, $
1600325-001 Classic CA 1:5 Highspeed Handpiece
1600386-001 Classic CA 1:5L Highspeed Handpiece