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Description： CONTACT TACHOMETERModel : DT-2245* 0.5 to 19,999 RPM.* m/min, ft/min, inch/min.
Description： PHOTO TACHOMETERModel : DT-2244* 5 to 100,000 RPM
Description： LASER PHOTO/CONTACT TACHOMETER Model : DT-1236L * Patented, the best tachometer in the world. * Long detecting distance for photo Tach. up to 2 meters. * Photo & contact tachometer in one meter. * Fast sampling time for low contact RPM measurement, automatic reverse display. * Photo Tach. : 10 to 99,999 RPM Contact Tach. : 0.5 to 19,999 RPM. Surface speed : m/min, ft/min. * Size : 215 x 67 x 38 mm, patented.
Description： LASER PHOTO TACHOMETERModel : DT-2234BL* Long detecting distance for photo Tach. up to 2 meters.* Photo Tach. : 10 to 99,999 RPM* Accuracy : (0.05 % + 1 d).* Size: 190 x 73 x 37 mm.
Description： CONTACT TACHOMETERModel : DT-2235B* 0.5 to 19,999 RPM.* m/min, ft/min, inch/min.
Description： Model : DT-2234B* 5 to 100,000 RPM
Description： PH/ORP, DO, CD/TDS METER Model : YK-2005WA * One meter for multi purpose operation : PH/ORP, DO, CD/TDS METER.* pH : 0 to 14.00 pH, ORP : 1999 mV. * Conductivity : 200 uS/2 mS/20 mS/200 mS. * Dissolved oxygen : 0 to 20.0 mg/L. * ATC ( automatic temperature compensation ). * Real time data logger ( record year, month, date, hour, minute, second ), 16,000 data logger. * Max., Min., Data hold. * RS-232 computer interface. * Optional data transmission software, SW-DL2005. * Optional electrode : pH, ORP, CD/TDS, DO, ATC probe. * Jumbo LCD, unit with dot matrix display. * DC 1.5V ( UM-3, AA ) x 4 PCs or DC 9V adapter in. * Size : 203 x 76 x 38 mm.