Extech Instruments Contact Tachometer with NIST The 461891-NIST is a contact Tachometer. Surface wheels measure contact surface speeds (10 to 9,999 rpm) of rotating objects. The memory button holds last reading and recalls min/max readings display. Complete with wheels for linear surface speed (0.2... Price Range: $335.99 to $335.99 |
Merchant | Price |
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![]() Optics Planet | $335.99 |