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Power Products ST-375 Technical Manual

High rate discharge tester
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1 SEPTEMBER 2005
POWER PRODUCTS MANUAL
No. 375-905-2
TECHNICAL MANUAL
INSTRUMENT VERIFICATION PROCEDURE
HIGH RATE DISCHARGE TESTER
POWER PRODUCTS
P/N 37512 MODEL ST-375
MFD BY: POWER PRODUCTS INC
27 PAMARON WAY STE E
NOVATO, CA 94949
CAGE CODE 3C8X4
www.power-products.com
POC PAUL CHAIT

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Summary of Contents for Power Products ST-375

  • Page 1 POWER PRODUCTS MANUAL No. 375-905-2 TECHNICAL MANUAL INSTRUMENT VERIFICATION PROCEDURE HIGH RATE DISCHARGE TESTER POWER PRODUCTS P/N 37512 MODEL ST-375 MFD BY: POWER PRODUCTS INC 27 PAMARON WAY STE E NOVATO, CA 94949 CAGE CODE 3C8X4 www.power-products.com POC PAUL CHAIT...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Section Page Introduction and Description Equipment Requirements Preliminary Operations Verification Process ILLUSTRATIONS Figure Page Voltmeter Test Setup Ammeter Test Setup Timing Setup Test Data Sheet 375-9/05 TABLES Table Page Verification Description Equipment Requirements Tolerance Limits Timing Requirements Summary Table of Tolerance Requirements...

  • Page 3: Introduction And Description

    INTRODUCTION AND DESCRIPTION 1.1 The ST-375 (P/N 37512) High Rate Discharge Unit is For testing SLI (Starting, Lighting, Ignition) engine start batteries. It is used to accept or reject reject 12-Volt engine start batteries which have been fully charged prior to testing.

  • Page 4: Equipment Requirements

    SECTION 2 EQUIPMENT REQUIREMENTS NOTES Minimum use specifications are the principal parameters required for performance of the verification, and are included to assist in the selection of alternate equipment, which may be used at the discretion of the using facility. Satisfactory performance of alternate items shall be verified prior to use.

  • Page 5: Voltmeter Test Setup

    Table 3. Tolerance Limits: 0.2V TI Voltmeter DMM Tolerance Limit 12.7 (example) 12.5 – 12.9 (±0.2) VOLTMETER AUTO HI + POWER SUPPLY BLACK CABLE CHARGED 12V LO - BATTERY MANUAL VOLTS TEST POINTS Figure 1. Voltmeter Test Setup WARNING HARMFUL CURRENTS AND VOLTAGES MAY BE PRESENT IN THE TI DC BATTERY CABLE LEADS.

  • Page 6: Timing Setup Test

    (LED) 400 AMP 12V POWER AUTO SUPPLY MANUAL (OR) OPTIMA BATTERY Figure 4. Timing Setup Test 4.1.10 TIMING TEST, Connect per Figure 3, refer to table 4 for tolerances. 4.1.11 Auto-Off-Manual Switch OFF. 4.1.12 Connect the TI to the Power Supply or Optima Battery. 4.1.13 Observe the stopwatch or timer.

  • Page 7: Summary Table Of Tolerance Requirements

    Table 5. Summary Table of Tolerance Requirements TOLERANCE 4.1.15 Voltmeter 0.2 Volts 4.1.16 Load current and TI internal shunt accuracy. 375 Ampe res ± 10 Amperes At 10.5V at 10 Seconds. Note: Loaded Battery may not be 10.5 Volts in 10 Sec onds.
  • Page 8 MANUAL 10” BATTERY LOAD TESTER 12 VOLT, 375 AMPERE APPLICATION: MODEL: ST-375 P/N: 37512 375 AMPERE 15 SECOND LOAD TEST FOR 12V OPTIMA/HAWKER GSE BATTERIES. SAE TEST FOR ALL INSTRUCTIONS 12 V ENGINES START BATTERIES Check that switch is in center, OFF position...

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