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LT-880
Laser Tachometer
Manual
Depend On Us

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Summary of Contents for TREND NETWORKS LT-880

  • Page 1 LT-880 Laser Tachometer Manual Depend On Us...
  • Page 2: Table Of Contents

    Manual LT-880 Laser Tachometer Topic Page GENERAL INFORMATION Introduction..........................3 Specifications.......................... 4 OPERATING INSTRUCTIONS Unpacking and Inspection....................5 Input Power Requirements....................5 Front Panel ..........................6 Safety Considerations......................6 Block Diagram..........................7 Operational Considerations....................8,9 WARRANTY INFORMATION Repair Information........................10 Limited Warranty........................10 www.trend-networks.com...
  • Page 3: Introduction

    The LT-880 employs four AA Ni-Mh batteries that power the unit for up to ten hours of continuous operation. It also can operate from a wall-mount type power supply/charger. The charger has a fast charge rate that can charge the batteries to full capacity in about 2 hours.
  • Page 4: Specifications

    Specifications LT-880 Laser Tachometer SPECIFICATIONS Units of measurement 4 Hz to 500 Hz ( Inner slots), 40 Hz - 5 KHz (outer slots) (3 Slot) 0.6 inch diameter (15 mm), and Display (30 Slot) 0.6 inch by 0.2 inch (15 x 4.5 mm)
  • Page 5: Unpacking And Inspection

    Upon filing a claim TREND Networks should be notified. INPUT POWER REQUIREMENTS The LT-880 is designed to operate from its internal rechargeable batteries and/or its combination wall-mount supply/charger. Do not operate the unit with batteries other than 2000 mA-Hr nickel-metal hydride cells that are supplied.
  • Page 6: Front Panel

    Front Panel LT-880 Laser Tachometer FRONT PANEL The front panel controls are quite simple. The Power switch alternately energizes and de-energizes the unit. The charger will charge the batteries whenever it is plugged into the unit and AC mains regardless of the ON/OFF state of the unit.
  • Page 7: Block Diagram

    Block Diagram LT-880 Laser Tachometer 650 nm 3 mm jacketed ST Connector FO Cable Laser Laser Diode Diode Automatic Power Selfoc Lens Controller in Ferrule 3 mm jacketed ST Connector FO Cable Trans Z Det. Amp. Selfoc Lens in Ferrule...
  • Page 8: Operational Considerations

    LT-880 Laser Tachometer OPERATIONAL CONSIDERATIONS The LT-880 Laser Tachometer should be operated as follows: 1. Connect the optical head to the electronics package . The small core fiber connects to the Laser output port on the electronics package It is denoted by a reddish rubber ring located behind the connector.
  • Page 9 Operational Considerations LT-880 Laser Tachometer Encoder Characteristics: - The LT-880 has been designed to operate without dependence on special reflective tape or encoders. A encoder may be generated with almost any CAD drawing program such as AutoCad, Fast Cad, or CadKey. The drawing should be printed on a laser printer on white paper.
  • Page 10: Repair Information

    RMA number. For IN-WARRANTY REPAIRS, call us to obtain a Returned Material Authorization number, (RMA Number). All products are to be returned to TREND Networks with freight charges pre-paid. Those products sent under warranty will be returned to our customers pre- paid.
  • Page 11 TREND NETWORKS North America 300 Roundhill Drive, Suite 1, Rockaway, NJ 07866, USA Tel. 973-957-7700 MADE IN THE USA contactus@trend-networks.com Specification subject to change without notice. E&OE TREND NETWORKS logos is a registered trademark of TREND www.trend-networks.com NETWORKS. © TREND NETWORKS 2022...

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