Hygrometer, also been called as Psychrometer or Humidity
meter, it’s the device that can measure the Temperature and Relative Humidity
in the air, which had been the most widely used instrument for humidity
measurement and control. AZ87792 IN / OUT Temp. & RH% monitor was being designed
..
UT370 series non-contact tachometers measure rotating speed of shaft or disk with a point laser and reflective tape on the object being measured. These meters can output RPM or count readouts without interfering with the equipment being measured.1. 5 digits LCD screen, RPM/count and time dual display..