Frey Non-contact Tonometer TN-100 is a modern diagnostic device, featuring fast, accurate examinations ensuring optimal levels of patient comfort undergoing noninvasive measurement of intraocular pressure. TN-100 measurement is fully automated, saving time for user and patient.



TN-100 is easy and intuitive to use, including inexperienced users. Alignment and measurement are automated, with simple hand adjustment of the joystick towards the patient‘s eye to commence automatic examination.

Patient data storage capability and measurement values for 4000 patient data base included. Patient examination record and database is available immediately upon completion of examination. Individual patient examination or entire patient history can printed with simple one touch. Internal printer simplifies record keeping.

SD card is available for data backup on external memory device. The card can be also used to transfer patient data from TN-100 to the PC. Installation version of Windows software for database management is available on SD delivered with TN-100.

Large internal memory allows for secure storage patient measurement history. The operator can choose between printing last result of patient measurement or to print complete patient history stored in device memory.

To maximize patient comfort during the measurement, air puff has been optimized to be soft and silent.

East to use, intuitive operation of TN-100 features a 7” color LCD capacitive touch screen. User interface software is optimized for each function, clearly displaying all measurement data guiding the User through the measurement process from the alignment of the eye, to the display of the readings. TN-100 menus and device options are easily accessed and simple to navigate.

Electrically driven chinrest allows easy adjustment of patient position and assures stable position during IOP measurement. Wide range of measurement head movement allows measurement both eyes without need to change patient position.

For manual operation, joystick allows User to manually control position of measurement head, with push button conveniently located on top of the joystick to release air puff.

IOP measurement range

0 – 60 mmHg (0 – 80 hPa)

Measurement accuracy

0.5 mmHg


Built-in, thermal
Print width 57 mm
Printing papier role diameter 35 mm

  • Size: 7″ (165 x 104 mm)
  • Color TFT LCD with capacitive touch screen
  • Resolution: 800 x 480

Storage devices

  • SD card
    SD WIRELESS LAN support
  • Internal flash

Internal memory

Capacity: up to 4000 patients x 100 exams x 3 measurements (for each eye)
Data format for exporting: XML


Electrically regulated (up/ down)

Chin rest travel distance

69 mm (up/ down)

Measurement head travel distance

85 mm (X axis)
40 mm (Y axis)
50mm (Z axis)


  • Height: 460 mm
  • Width: 300 mm
  • Depth: 480 mm



Power source

  • Voltage 100-240VAC
  • 50/60 Hz

Power consumption

Max 45 VA

Power supply unit

  • External, medical power supply adapter
  • INPUT: 100-240V ~1,5A
  • OUTPUT: 12V ⎓5A