PM 1:1 External Spray Handpiece

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CA PRIMA 1:121 External Spray

Slow Speed Handpieces

The Bien-Air CA PRIMA 1:121 External Spray is a re-engineered 1:1 contra-angle handpiece designed for oral surgery procedures like osteotomies and bone shaping, featuring a single external irrigation spray for optimal cooling, a tapered head (Ø9.8 mm x H14.6 mm) for improved visibility, stainless steel construction for durability, reduced vibrations via Accu-Chuck technology, and compatibility with CHIROPRO or iCHIROPRO systems, delivering performance up to 40,000 rpm with a low noise level of 58 dBA and weighing 80g.

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Technical Specifications for CA Prima 1:121 External Spray

Specification	CA Prima 1:121 EXT
Use Case	Restorative & Surgical
Ratio	1:121
Bur	Latch Type
Speed Range (rpm)	100 – 40,000
Motor Compatibility	Classic & Micro-Series
Noise Level (dBa)	58
Spray/Irrigation	1 external spray
Head Diameter (mm)	9.8
Neck Diameter (mm)	9
Head Height (mm)	14.6
Adjustable Light	No
Weight (g)	80
Warranty	2 years
Reference	1601267-001

Technical Specifications Comparison for all Slow Speed Handpieces

Specification	CA NOVA 1:1 L MS	CA NOVA 1:1 L Standard	CA Prima 1:1 L MS	CA Prima 1:1 L / CA Prima 1:1	CA Prima 1:121 External Spray
Use Case	Restorative Rotary Endo	Restorative & Rotary Endo	Restorative & Rotary Endo	Restorative & Rotary Endo	Restorative & Surgical
Ratio	1:1	1:1	1:1	1:1	1:121
Bur	Latch Type	Latch Type	Latch Type	Latch Type	Latch Type
Speed Range (rpm)	100 – 40,000	100 – 40,000	100 – 40,000	100 – 40,000	100 – 40,000
Motor Compatibility	Micro-Series	Classic & Micro-Series	Micro-Series	Classic & Micro-Series	Classic & Micro-Series
Noise Level (dBa)	55	55	58	58	58
Spray/Irrigation	1 separated air/water	1 separated air/water	1 mixed air/water spray	1 mixed air/water spray	1 external spray
Head Diameter (mm)	Top 8.3, Bottom 6.4	Top 8.3, Bottom 6.4	9.8	9.8	9.8
Neck Diameter (mm)	7.8	7.8	9	9	9
Head Height (mm)	13.0	13.0	14.6	14.6	14.6
Adjustable Light	Yes	Yes	Yes	Yes / No	No
Weight (g)	67	72	80	86 / 84	80
Warranty	2 years	2 years	2 years	2 years	2 years
Reference	1601136-001	1601137-001	1601237-001	1601236-001 L/ 1601235-001	1601267-001