Table of Contents 3. Safety Information 4. Introduction 5. Test Manager Software Installation 5. Running a Test 6. Test Descriptions 7. Electrical and Mechanical Specifications 8. Service and Calibration 9. Limited Warranty and Liability LST-650 User's Manual v1 Page 2 of 10...
IMPORTANT SAFETY INFORMATION! READ BEFORE ATTEMPTING TO USE THE LST-650! The LST-650 (Tester) should only be used by qualified and authorized traffic signal technicians or engineers who are familiar with generally accepted electrical safety practices as well as local and national safety codes.
Introduction The LST-650 NEMA Load Switch Tester (Tester) is an automated tester designed to test Load Switches used in traffic signal installations conforming with NEMA Specifications. The Tester performs a quick functional test of the Load Switch under simulated normal conditions. The following parameters are tested: ●...
Test Manager Software Installation Before using the Tester, the LST-650 Test Manager software must be installed on the computer that will be connected to the tester. A USB driver is also required to be installed.The software and USB driver may be downloaded at www.atsi-tester.com.
3. Verifies that the Load Switch output turns on in less than one half AC cycle for each RED, YEL and GRN output. 4. Verifies that the Load Switch output turns off in less than one half AC cycle for each RED, YEL and GRN output. LST-650 User's Manual v1 Page 6 of 10...
Operating voltage: 120 VAC, 60 Hz Operating current: 2 Amps (maximum) Connectivity: USB 2.0 Full Speed compatible Mechanical Dimensions: 7” x 4.8” x 11” Operating Temp.: 32 degrees F to 110 degrees F ambient air temperature LST-650 User's Manual v1 Page 7 of 10...
When shipping your Tester back to ATSI for annual calibration or service, proper packing will help insure that the Tester arrives without damage. Preparing Your Tester for Shipment ●...
Product while in the custody of the Purchaser, ATSI will remedy the defect or cause of failure without charge to the Purchaser. The Purchaser's sole remedy is restoration of product operation. ATSI accepts no liability for incidental or related expenses.
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