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STS 1660 Operator's Manual

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INTRODUCTION
The Series 1660 designates a family of high voltage surge testers that are intended for the testing
of coils and windings of all types for defects and weaknesses within the winding. These include
such obvious defects as turn-to-turn shorts and layer insulation failures and weaknesses.
Specifications
Input Requirements
Output Voltage
Pulse Energy
Maximum Operating Range
Dimensions (WxHxD)
Weight
The measurement terminals on the Model 1660 Surge Tester are rated for
measurement category I as defined in IEC International Standard EN 61010-
1. Measurement category I is for measurements performed on circuits not
directly connected to mains. Do not use this equipment for measurements in
measurement categories II, III, or IV. Do not use this equipment for any
purpose other than as described in this manual.
OPERATOR'S MANUAL
MODEL 1660
110 Volts +/- 15%, 50/60 Hz, 1.5 /1 A
400 – 5000 Volts Peak
Variable to 0.25 Watt-Seconds
Temperature:
Relative Humidity:
Altitude:
Vibration:
48.26 cm x 13.34 cm x 44.45 cm
20 kg
Page 1
0 – 40 deg. C
5 – 85 % Non-Condensing
0 – 3000 m
0 – 2 g

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Summary of Contents for STS 1660

  • Page 1 MODEL 1660 INTRODUCTION The Series 1660 designates a family of high voltage surge testers that are intended for the testing of coils and windings of all types for defects and weaknesses within the winding. These include such obvious defects as turn-to-turn shorts and layer insulation failures and weaknesses.

  • Page 2: Principle Of Operation

    As a general rule it is suggested that each test area be in a location with minimum distractions. As shipped from the factory, the Model 1660 Surge Tester is configured as a bench top unit. If desired, the unit may be rack mounted with user supplied slides.
  • Page 3 After the equipment has been installed, a careful study should be made of the test station to determine what, if any, safeguards are needed. It is suggested that any electrical test station involving voltages in excess of 42.4 volts peak (approximately 30 volts RMS) should be equipped with safeguards.

  • Page 4: Controls And Indicators

    CONTROLS AND INDICATORS In using this equipment, it must be kept in mind that maladjustment of the controls can completely smother the indications. This can be avoided by fully understanding the various adjustments and by following the suggested procedures. We will first review the important adjustments and then outline procedures.
  • Page 5 13. MODULAR LINE CORD ASSEMBLY – (back panel) THE INTERFACE CONNECTOR MUST BE PLUGGED INTO THE SOCKET BEFORE TESTER WILL OPERATE PLUG WIRING Customer Interface 1660 Customer Interface 1660 (with external power supply) (with internal 5 volt supply) WIRING WIEW SHOWN...
  • Page 6 TYPICAL TEST TECHNIQUES DISTRIBUTED WINDINGS, SUCH AS POLYPHASE AND SPLIT PHASE STATORS Diagrams and descriptive information on this page are intended to be FOR OPENS, SHORTS AND GROUNDS. illustrative only and not specific instructions. To obtain optimum performance in any particular application, a certain amount of experimentation is generally required to establish the proper test configuration, parameters and operating procedure.
  • Page 7 From the pattern of readings obtained, establish acceptance limits and in the case of Series 1660 equipment, adjust limit controls accordingly. After completion of setup, operating personnel should be carefully instructed in the test procedures and properly cautioned regarding any potential hazards involved.
  • Page 8 REPEAT SETUPS Repeat setups are most easily accomplished using “good” and “defective” samples selected during the initial setup. If these are available, the repeat setup becomes a matter of simply adjusting the various switches and controls to the required values and then adjusting the balance control with the good sample, and the sensitivity control with the defective sample.

  • Page 9: Test Procedures

    If not, winding is open. B. With Series 1660 units, operator observance of the meter is unnecessary. Simply operate test switch. After about 1/2 second, for defective parts, the reject lamp will come ON and the buzzer will sound.

  • Page 10: Maintenance

    B. Monthly – Check line cord on tester for damage, deterioration and ground lead integrity. Check line receptacle for ground integrity. 3. Annual Service All testers should be returned to the factory at least once per year for calibration and certification. Replacement Parts List; Model 1660 Part Number Qty. Description 102-051-903 HV Dual Test Lead, Blue &...

  • Page 11: Repair Service

    Please contact STS at 1-800-421-1921, 580-223-4773 or Email us at info@slauthertest.com for assistance and instructions. Transportation costs (including insurance) for the return of the instrument to STS must be prepaid by the customer. Testers sent for repair should be shipped prepaid and insured to:...
  • Page 12 Elimination of any safety systems will void this warranty. This warranty does not cover batteries or accessories not of STS Instruments manufacture. Parts used must be parts that are recommended by STS Instruments as an acceptable specified part. Use of non-authorized parts in the repair of this instrument will void the warranty.

  • Page 13: Declaration Of Conformity

    DECLARATION OF CONFORMITY Manufacturer’s Name: STS Instruments, Inc. Manufacturer’s Address: 801 Hailey Street Ardmore, Oklahoma 73401 Declares that the product: Surge Tester Model Name: Model 1660 Conforms to the directives and standards identified in this declaration EU Directives: 89/336/EEC Electromagnetic Compatibility Directive, amended by 93/68/EEC...

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