Foxboro System Calibrator 2at-cal Spec 200

US $2500

  • Corinth, Mississippi, United States
  • May 29th
Foxboro Calibrator has been sitting unused for a long time Everything seems to work Includes power cord , Lid and 5 thermal compensators I took the following test External Power Output reading across +15 v to com = 15v     -15v to com = -23.8 v Bottom MV Range reads correct Voltage out per Thumbwheel setting on all 3 Selector Switch Ranges Middle Volts/Milliamp reads 4.98 at 5 Volt Thumbwheel setting and 8.98 at 9 Volt setting Top Volts/Milliamp reads 4.98 at 5 Volt Thumbwheel setting and 8.98 at 9 Volt setting 25 millvolt in at Ref Junction reads 25.9 millivolt out at DVM Output Test Point and around 25 millivolt on MV Needle Gauge 50 millivolt in at Voltage Input 1 = 50 millivolt out at DVM Output Test Point and around 50 millivolt on needle gauge Current Input 1  4 ma in = 3.78 ma out at Dvm Output , 12ma in = 11.78 ma out , 20 ma in = 19.78 ma out 25 millivolt in at Voltage Input 2 = 25 millivolt out at DVM Test Points Current Input 2  4 ma in = 3.78 ma out at DVM Test Points , 12 ma in = 11.78 ma out, 20 ma in = 19.78 ma out Audio Works and Null Lights work Battery holds about a 10 minute Charge and read 14.74 volts out on external 15 volt power output when not plugged up Battery Voltage Gauge works IT SEEMS TO WORK PRETTY GOOD EXCEPT THE EXTERNAL - 15 VOLT READING OF -23.8V BUT WILL NEED CALIBRATING AND TESTING BEFORE USING

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