Profile: Arrow Instruments Calibration is engaged in offering calibration services. Our services include industrial consultation, digital thermometer calibration, digital micrometer calibration, instrument calibration services, test equipment calibration services, pressure and vacuum calibration, lab equipment calibration, textile instruments calibration, and meter calibration. Tach Dwell meter calibration is used for measuring and to check the dwell angle on vehicles with a point-type ignition. We provide a wide range of glass thermometer calibration which finds application in industries for checking the hardness of materials. These thermometer calibrations are widely used to remove the thermometer from a case, and rinse under cold water.