Of STG-80NA screen tension meter / 80D of STG-steel mesh tonometer Japan the PROTEC of STG-80D tonometer 

 Nippon tonometer 
 The product specifications: STG-75M/80NA, tension meter pointer tension meter 75D/80D explicit number 
 Product ID: A0005 

 Of STG-80NA screen tension meter / of STG-80D steel mesh tension measuring range: STG-75 series 17-40N/cm 0-10mm/0.01mm of STG-80 series for 7-50N/cm 0.01-0.03mm 
 Product description: 
 Japanese of STG-80NA screen tension meter / of STG-80D steel net tonometer specialty: determination as a target value of the plate according to the tension, the Company adopted than today's wind-up (formerly Newton meters) and easier to maintain accuracy, According to increase the drop-style tactics. 
 In the ISO data management through the tension of the Newton unit of measurement can also get 
 In order to meet the special requirements, a pointer marked on the outside foot on the millimeter scale ruler, the inside with a Newton scale ruler, you can also read their own values. 
 Experience can grasp the convenience of the management of the Newton unit to maintain the accuracy of millimeters read at the same time, please.