Product Description The Reichert TONO-PEN AVIA tonometer is an easy-to-use, hand-held instrument that provides IOP readings that correlate strongly with Goldmann tonometry. TONO-PEN AVIA has a lightweight, ergonomic design and advanced electronic measurement technology that enables operators to take fast and accurate IOP measurements with minimal training. TONO-PEN AVIA is powered by a long-life TONO-PEN AVIA POWERCEL™ battery pack, good for over 2,500 measurements. TONO-PEN AVIA™, like the TONO-PEN XL, uses sanitized OCU-FILM tip covers to minimize the risk of patient cross contamination.No Calibration The TONO-PEN AVIA does not require daily calibration.Accurate and Easy to Use The TONO-PEN AVIA is designed to help eliminate operator error and functions in any position, making it ideal to use on all your patients, including those in beds or wheelchairs. Activated by the push of a button, the IOP measurement is displayed on two large, easy-to-read, LCD screens. Patients will appreciate the quick and gentle measurement process.Intelligent The TONO-PEN AVIA utilizes micro strain gauge technology and a 1.0mm transducer tip. The device displays the average of 10 independent readings along with a statistical confidence indicator, ensuring accurate, repeatable, and reliable tonometry results.Versatile The TONO-PEN AVIA tonometer features the same proven accuracy as the clinically trusted TONO-PEN XL, but with a more ergonomic design, four times longer lasting battery, and larger LCD screens. The proven reliability of Reichert’s applanation tonometers allows operators to take IOP measurements confidently anytime, anywhere, and in any position. Features:- 20 years of clinical knowledge went into the development of the AVIA VET- Rapid, accurate and objective IOP measurement- Functions in any position- Portable and extremely light weight- Large easy-to-read LCD display- Right or Left handed operation- Long life lithium-ion battery- Durable carrying case to protect your Tono-Pen during out of office visitsSpecifications:- Weight: 2.4oz. (71 g)- Length: 6.25 in. (16 cm)- Width: 0.75 in. (2 cm)- Thickness: 1.75 in. (4.4 cm)- Transducer: Micro Stain Gauge- Measurement Range: 1 - 99 mmHg- Power Source: Tono-Pen AVIA VET Powercel Battery Pack Package includes:- Tono-Pen AVIA- Carrying case- 150 individually wrapped Ocu-Film + tip covers- Tono-Pen AVIA Powercel Battery