Perimeter, Lister Type Manufacturer and Supplier in Algeria

د.ج10,000.00
23 people are viewing this right now

Product details

Description
Perimeter, Lister Type
The instrument automatically records field to 90 ° in all meridians. 
Spring check, giving an audible click to each 15° of rotation of the arc in either direction which renders close scrutiny of dial plate unnecessary, and ensures accurate registration. 
The crier mechanism is smooth, silent and invisible. 
The patient perceives only the test object to move. 
The objects subtend angles of 4°, 1°, ½°, ¼°. 
Supplies complete with transformer to work on 220 volt A/C mains with 100 charts.
The device can be thrown out of action if silent movement is desired. 
The marker a needle is housed in a retractable tube, sprung to sheath the pint when actually marking. 
A set of interchangeable and permanent washable test objects is included with the instrument.