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13231 Rooster Springs Rd. 

Austin, TX 78737 

T:

 (512) 858-4045 

E:

 [email protected] 

amptec.com 

 

 

 

 

 

 

AMPTEC RESEARCH 

MODEL 620UK-B OPERATION AND 

MAINTENANCE MANUAL 

 

 

 

 

 

 

 

Summary of Contents for 620UK-B

Page 1: ...13231 Rooster Springs Rd Austin TX 78737 T 512 858 4045 E info amptec com amptec com AMPTEC RESEARCH MODEL 620UK B OPERATION AND MAINTENANCE MANUAL...

Page 2: ...Feature Information p 9 D 3 620UK B Padded Carrying Case Photo and Information p 11 D 4 Detailed Use Description p 11 SECTION E MAINTENANCE REPAIR AND CALIBRATION E 1 General Maintenance Repair Calib...

Page 3: ...on electrical subsystems used in general purpose aircraft helicopters fighter jets UAVs drones missiles etc Continuity determinations on fuses electrical cable connections heavy duty metal to metal c...

Page 4: ...t has a low battery the display will say LO BAT To see instructions on battery replacement see section E 9 1 on page 17 4 Perform a visual test lead integrity check It is recommended that the user per...

Page 5: ...is 20 000 counts 4 digit liquid crystal display with a back light that indicates autolock See section D 2 7 on page 9 for additional information about the autolock feature Low Battery Indication Displ...

Page 6: ...d set with ground 630 305 4 Twin single banana jack lead set 630 401 4 Single point handheld Kelvin probes 630 405K 10 heavy duty spiked Kelvin probes 630 405S 10 heavy duty spear Kelvin probes 630 40...

Page 7: ...tart updating the LCD screen once an electrical connection has been made After approximately 3 seconds the meter will produce a beeping sound and the backlight will turn on to illuminate the LCD scree...

Page 8: ...wires then terminate in a variety of configurations depending upon the accessory The 620UK B keyed access connector also makes it virtually impossible during normal operation to incorrectly connect le...

Page 9: ...id crystal display and high quality the display itself should have a life lasting many years Should the display become damaged or stop operating properly it can be replaced at an AMPTEC facility The u...

Page 10: ...r to produce the final autolocked measurement which is the reading displayed while the backlight is on To assist the user the meter produces an audible beeping indicator along with the lit backlight o...

Page 11: ...including front and rear panels Item C 4 Digit LCD Display with LO BAT and OR shown as an example Item D AUTO MEASURE RESET BUTTON Press and hold to reset a measurement that has been locked Item E Pow...

Page 12: ...is on as the unit s autolock feature freezes the reading The backlit frozen measurement will stay frozen until you either press the AUTO MEASURE RESET button or press the test probes against a conduct...

Page 13: ...uct lines and is capable of fixing nearly any issue your instrument may have AMPTEC maintains one sole facility for both the manufacturing and repair of its products AMPTEC RESEARCH CORP 13231 Rooster...

Page 14: ...of test current On a 1 resistor the 620UK B 100mA output should get a 100mV drop 0 10V 0 10A For DVM scaling on the 2 range voltage drop is amplified using a x10 for range scaling hence a 10 mV drop b...

Page 15: ...eck for a reading of 0 000 3 Put the output leads across a 0 100 resistance standard 4 The display should read 100 00 m 10 counts depending on the resistor s accuracy If the above test proves untrue t...

Page 16: ...between readings for settling and an updated display of the measurement The meter will continue to sample and hold and then resample as long as it senses any continuity Finally connect the meter via t...

Page 17: ...e the front panel and screws E 9 Battery Compartment Design and Description The metal battery compartment is powder coated to make it chemically resistant to battery leakage and backed with a water ti...

Page 18: ...is certification was gained in 2013 and is maintained with quarterly inspections by an independent party AMPTEC also follows UL 913 s quality standards plant wide including the adoption of a quality m...

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