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posipen 筆式測厚儀分三款：A、B、C型；

測試磁性金屬上非磁性材料，如油漆、電鍍等等。


精度為讀數±10% 和2.5 microns（±10% and 0.1 mil）
 

公英制：microns （metric） and mils （inch）

量程為: 5-500 微米/0.25 to 20 mils （inch）

（A型） ：常溫表面測量

 （B型） 用于溫度表面測量（ -100°C到230°C/-150°F －450°F）
 

 （C型） Some objects become excessively magnetic.  For example 300 series stainless steel is non-magnetic but becomes magnetic over time.  Certain welding seams become magnetic compared to the surrounding metal.  PosiPen C allows you to compare ferrite content to a known value.

• PosiPen A for measurements on surfaces with normal temperatures
  
• PosiPen  B for measurements on surfaces with extreme temperatures （between  -150°F and +450°F or -100°C and +230°C）
  
• PosiPen C  ferrite comparator

PosiPen C has two scales:

Ferrite content measuring range: 0-10 linear units to compare Ferrite content to an known value

Coating thickness measuring range:  0.25 to 20 mils （inch scale）  Tolerance: +10% and +0.1 mil