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Smith-Root 1601 User Manual

Fish counter
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USER'S GUIDE
1 6 0 1 F I S H C O U N T E R
07289.03 1601 Fish Counter.indd

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Summary of Contents for Smith-Root 1601

  • Page 1 USER'S GUIDE 1 6 0 1 F I S H C O U N T E R 07289.03 1601 Fish Counter.indd...

  • Page 3: Table Of Contents

    Please contact product manufacturer for return instructions. All Smith-Root, Inc. manufactured products are covered by a one year warranty. Credit & Refund Policy: Customers returning equipment, in new condition, will be given credit five days from the date of the return. A return authorization must accompany returns.

  • Page 4: Introduction

    This unit is designed for hatchery fry, migrating smolt, fish eggs, emergent shrimp, and other macro organ- isms. The SR-1601 simultaneously monitors all 16 tunnels for downstream movements, giving individual counts for each tunnel. In order to be counted, macro organ- isms pass through one of multiple counting tunnels and are tallied on separate 16-digit displays.
  • Page 5 PRINCIPLE OF OPERATION Operation of the SR-1601 Counter is based on the “Balanced Resistance Bridge Principle” using water in the count head as two elements of a four element Balanced Bridge. Passage of a fish through one of the tubes of the count head causes corresponding changes in that tube’s conductance.

  • Page 6: Features

    USER’S GUIDE ADVANCED FEATURES The SR-1601 employs numerous advanced features provid- ing such functions as to simultaneously monitor 16 different tunnels giving real time distribution of counts. The counts are displayed on liquid crystal displays (LCDs) which provide easy readability even in direct sunlight. The count is retained by internal display batteries if power to the fish counter is lost.

  • Page 7: Types Of Tunnels

    SINGLE TUNNEL For most fish counting oper- ations, individual tunnels are connected to the 1601 via the TJB-16 Junction Box, which in turn is connected to the 25 pin connecter on the panel of the counter. Up to 16 individual tunnels can be connected in this manner.

  • Page 8: Power Requirements

    USER’S GUIDE POWER REQUIREMENTS SR-1601 battery compartment SR-1601 Battery The Model SR-1601 can be powered from 115VAC, 60Hz, from an optional 12 Volt inter- nal battery, or from an optional 12 Volt external battery. Bat- tery life is four days with the internal 12V batteries.

  • Page 9: Connectors And Plugs

    SR-1601 FISH COUNTER CONNECTORS AND PLUGS SR-1601 with lid, battery compartment removed The tunnel connector is a 25 pin data connector with screw locks. The lower section of the 1601 houses the AC power sup- ply, connector and optional batteries. 12 Volt DC power...

  • Page 10: Controls And Indicators

    USER’S GUIDE CONTROLS AND INDICATORS 1. Power Switch - Controls the DC power to operate the fish counter electronics. The DC may be supplied from the internal battery, from an external 12 Volt DC source, or from the internal AC powered DC supply. This switch does not control the AC power to the battery charger circuit.
  • Page 11 7. Count Reset- Resets all the displays to zero. 8. Count Displays - The SR-1601 has 16 individual dis- plays, one for each counter tube. They are 6-digit LCD displays which means they can be read even in direct sunlight.

  • Page 12: Operation

    USER’S GUIDE OPERATION 1. Submerge the count head in water making sure that all of the tubes are completely filled with water. Locking screws must be locked to nuts on counter. 2. Turn the Power Switch ON. It is normal for one or two counts to appear on the displays when the power switch is turned on and off.

  • Page 13: In Case Of Difficulty

    SR-1601 FISH COUNTER IN CASE OF DIFFICULTY COUNTER WILL NOT COUNT: • Power Switch turned OFF. • Count Switch turned OFF. • Sensitivity Control set too low. • Battery dead or connected backwards. • Count head not connected to fish counter.

  • Page 14: Specifications

    USER’S GUIDE SPECIFICATIONS Count Rate: 10 counts/second/tube(max). Count Capacity/Channel: 999,999 (6 digit) Count Sensitivity(max.): 5% tube unbalance. Power Requirements: 120VAC 60Hz or 12VDC. Battery Life: 4 days depending on water conductivity. Size: 21.5” x 9.5 x 9.2 Weight: 35 pounds, including battery. Specifications subject to change without notice 2017...
  • Page 16 (360) 573-0202 Vancouver, WA USA www.smith-root.com...

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