Amptec Research 601ES Operation & Maintenance Manual Download Page 3

Page: 3 / 21

SECTION F: Routine Maintenance

F-1

General

F-2

Required Test Equipment

F-3

Calibration Procedure
F-3.1

Zero Offset Adjustment

F-3.2

Full Scale Adjustment

F-3.3

2.0 Ohm Range Adjustments

F-3.4

Verification of Each Ranges Accuracy

F-3.5

AC/DC Voltage Adjustments

F-3.6

AC/DC Current Adjustments

F-3.7

50mV/5mA Signal Source Adjustments

F-4

Battery Replacement Instructions

Summary of Contents for 601ES

Page 1: ...RESEARCH AMPTEC CALIBRATED MODEL SER NO DATE DUE Tamper ProofSeal Sticker Calibrationvoidifremoved 601ES 601ES 503 05APR2005 05APR2006 I press hold 2 0 KOHM 20 OHM 200 OHM 2 0 OHM 20 KOHM FUNCTION RA...

Page 2: ...cifications C 1 Available Accessories and Options D 1 General D 2 Front Panel Features and Operation D 3 Complete 601ES Explosive Safety DMM Front Panel Diagram D 4 4 Wire Resistance Measurement 601ES...

Page 3: ...Procedure F 3 1 Zero Offset Adjustment F 3 2 Full Scale Adjustment F 3 3 2 0 Ohm Range Adjustments F 3 4 Verification of Each Ranges Accuracy F 3 5 AC DC Voltage Adjustments F 3 6 AC DC Current Adjust...

Page 4: ...osive Safety Igniter Circuit Test industry must be held down for 2 seconds The AMPTEC 601ES DMM Safety Meter has a circuit that indicates when it is time To replace the batteries They can be replaced...

Page 5: ...ince Nickel Metal Hydrides are re chargeable they offer a battery life cycle a hundred times greater than any alkaline Be sure to charge the Nickel Metal Hydride batteries when taken out of their orig...

Page 6: ...around the battery holder and secure Cut excess plastic Next wrap the black and red wire around the battery holder and place the holder into the compartment Lastly replace lid and screw in screws to...

Page 7: ...ange Accuracy 0 50 of range DC or AC RMS range Accuracy 0 50 of range DC or AC RMS range Accuracy 0 50 of range 2 0 Amperes DC or AC RMS range Accuracy 0 50 of range 2 0 Ohm Range thru 20 KOhm ranges...

Page 8: ...e point of the probe tip connection eliminating 98 of the cable resistance Gold plated tips and banana jack ends provide an optimal low thermal emf connection gold plated single points gold plated gol...

Page 9: ...banana plugs at one end The other end is terminated with an alligator clip red and black These alligator clips will measure 2 wire method properly with either upper or lower jaw connected to the condu...

Page 10: ...once the access screws have been removed for calibration These handles are for carrying the 601ES DMM around when the lid is removed They are strictly for calibration access he main Power switch to tu...

Page 11: ...M is factory set using internal PCB jumpers to automatically turn off after 30 minutes of inactivity no range or function change to conserve battery power 5 Automatic Turn Off Protection Fuse Stray Cu...

Page 12: ...g the zero knob past the stops will severely damage the precision of the instrument and violate the instruments warranty 2 20 and 200 ohm ranges 10 Case Chassis Ground Jack not tied to earth ground A...

Page 13: ...s go in continuous decades from 2 0 Ohms to 20 Kilo Ohms The selection of the 2 0 Ohm lowest resistance range is accomplished by rotating the range knob Align indicator mark on knob with the desired r...

Page 14: ...ck to the AMPTEC 601ES DMM through the jack Depending upon the magnitude of the resistance offset some of the offset may be corrected zero ed out for in the AMPTEC 601ES DMM by adjusting the zero knob...

Page 15: ...g Circuitry fatigued adapter wire plug wire splice loose the fewer the connections the fewer the problems The LCD display will indicate when it is time to replace the batteries LO BAT LO BAT The The A...

Page 16: ...atsoever If you turn on display does not come on Explosive Safety DMM m AMPTEC Explosive Safety DMM and the If the AMPTEC 601ES Explosive Safety DMM exhibits problems that cannot be eliminated by revi...

Page 17: ...only when the integrator is de integrating At the end of a conversion the data remaining in the results counter is latched decoded and multiplexed to the liquid crystal display The analog section blo...

Page 18: ...n also turn the unit off the same way after a certain time period has elapsed This is to save battery life See FIG H 1 The micro can turn on TR201 TR209 using IC201 and I 202 These fets are used to se...

Page 19: ...y Out of Specification Section B No adjustments are needed Verify each function and range with the appropriate calibration standards to determine if the AMPTEC 601ES DMM meets its published accuracy s...

Page 20: ...PCB then later verify 3 4 5 6 7 8 A B C D F 3 6 AC DC Current Adjustments 1 the battery compartment When adjusting RV405 which is indicated as a negative sign Select the 20 Kohm range Connect the Kel...

Page 21: ...press to measure button and Adjust RV502 and repeat this step 5 dual button press operation until the AMPTEC 601ES reads 0050 A 5 milliamperes Return both the and the s to their standoff PCB mounts Re...

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Amptec Research 601ES, Operation & Maintenance Manual

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