SOP Basic Testing for New-Model PIT Tag Qualification and Acceptance

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Standard Operating Procedure
Subject:
SOP Basic Testing for New-Model PIT Tag Qualification and Acceptance
Author:
Alan Brower
Approved by:
UNAPPROVED



Contents

Objective

The objective of this procedure is to define testing to be performed on PIT tags proposed for use by PTAGIS.

The purpose of this testing is two-fold:

  • Verify that the new PIT tag performs as well as the current PIT tag.
  • Verify that the new PIT tag does not exhibit any deleterious effects.

Whenever a new model PIT tag or any significant modification is proposed for use in the Columbia River Basin (CRB), the suitability of its use in PTAGIS operations needs to be determined by PSMFC and NOAA Fisheries.

Scope

This procedure pertains to new candidate PIT tags that are not anticipated to have significant changes.

Responsibilities

This procedure is to be performed by PTAGIS Field Operations technicians.

Procedure

Data for evaluation will be taken in six areas:

  • Weight
  • APTTS electrical measurements
  • Length and diameter
  • Manual read-range testing
  • Separation testing in a large-scale antenna
  • Separation testing in a typical juvenile fish passage monitor



Weight

Weigh the PIT tags one vial at a time using the A&D Company GF-8K2 high resolution industrial balance. Divide that weight by the number of PIT tags on the scale. Record the overall weight and calculate the average individual weight.

APTTS electrical measurements

  1. Determine the appropriate voltage for testing the candidate PIT tags by performing "SOP Determining Voltage Levels for APTTS testing"
  2. Test the candidate PIT tags using the APTTS in batch mode
  • Use APTTS configuration file "SST Full Test 4-7-2009.cfg", modified to use the voltage determined in step 1.
    • This configuration will measure:
      • Fixed frequency amplitude
      • Resonant frequency
      • Bandwidth
      • Q
      • Minimum turn-on voltage
      • Modulation percentage



Length and diameter

Use the Starrett model 721 digital caliper to measure the length and diameter of each PIT tag. Enter this data into the APTTS generated spreadsheet, in the proper data row for that particular PIT Tag.

NOTE: This step is easily integrated with the work being done for manual read-range testing.



Manual read-range testing

Equipment used in this test:

  • 4’ x 4’ unshielded antenna in the RF room
  • Destron Fearing FS1001A transceiver
    • Tune the transceiver as per "SOP FS1001A Tuning" prior to testing. Verify tune during and after testing.
  • Place PIT tag under test on the belt in 0 degree orientation and slowly (~1/2" per second) move it by hand straight into the center of the field until it reads. Record the distance of the PIT tag from the antenna into the APTTS generated spreadsheet, in the proper data row for that particular PIT Tag.
  • Place PIT tag under test on the belt in 45 degree orientation and slowly (~1/2" per second) move it by hand straight into the center of the field until it reads. Record the distance of the PIT tag from the antenna into the APTTS generated spreadsheet, in the proper data row for that particular PIT Tag.

NOTE: This is a good time to measure the length and diameter as the PIT tag code is determined by the read-range test



Separation testing in a large-scale antenna

Write details in a step-by-step, chronological manner. Use action verbs.

Separation testing in a typical juvenile fish passage monitor

Write details in a step-by-step, chronological manner. Use action verbs.


References

  • Downing, S., Chase D. and Brower A. 2006. Preliminary Evaluation of an Applicant PIT Tag for the Columbia River Basin; Vendor: Digital Angel Corporation; PIT tag model: TX1400SST.
  • Downing, S. 2005. Procedures for evaluating applicant PIT tags: Description of tests that shall be conducted to determine if the applicant tags can be successfully adapted to the PIT-Tag systems installed throughout the Columbia River Basin.
  • Downing, S., Brower A. and Warf D. 2009. Evaluation of New Die in SST PIT Tags.
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