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LAT 1000 Series: Time, Temperature and Depth Recorders for Fish

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LAT 1500

Gain valuable insights into the life cycle of your species.

Lotek Archival Tags are compact, reliable instruments for the collection and storage of time, temperature, and depth data.

The LAT series is the ideal data storage solution for any biologist seeking reliable long-term life-cycle-related data for fish, wildlife or avian species.

Available now: LAT1100, LAT1400, LAT1410 & LAT1500, LAT1800 (S,L)

  • Five maximum pressure scales are available: 50m, 200m, 500m, 1000m, and 2000m.
  • The LAT1410 uses two temperature sensors: the standard internal sensor and a second sensor mounted on a stalk to measure water temperature outside the body.
  • LAT1100 is built as a flatpack for external attachment.
  • Communications with the tags are highly reliable and fast (<2sec to connect) - now made through physical contacts.
  • Enhanced biocompatibility from an inert coating.
  • The LAT1500 features a sea water switch - this identifies when the tag is immersed in water.
  • Tag design and components selection to ensure a typical two year life.
  • Highly flexible in its programming with numerous configurable parameters, user selectable.
  • Data ranges are configured by specifying the min. and max. limits for each sensor. Data resolution is determined by the number of bits (up to 12) assigned to each sensor. This optimizes the memory usage per sensor; selecting a lower resolution and/or narrow data range will increase the number of samples collected.  
  • Three memory management (log type) options:
    1. Telescoping Log: allows the total times series storage capacity of the tag to be evenly distributed over the entire mission
    2. Conditional Log: samples recorded (or not) based upon the condition of one or two sampled “loggables”; and sample rate below a certain depth)
    3. Basic Log: straight sampling.

Attaching Lotek geolocation archival tags to salmon smolts (PDF).

Video showing fish-friendly attachment technique:


 

 

Time, temperature & depth LAT tags:

  LAT1100  LAT1400 LAT1410 LAT1500 LAT1800S LAT1800 L
          Tubular form factor:
Dimensions (mm) 31.5 X 15 X 5.6 11 X 35 11 X 35 8 X 32 11 X 38 13 x 44
Weight in air 4.5 g  5.1 g 5 grams 3.4g (estimate) 6.3g 11g
Weight in Fresh Water ~ 1.7 grams ~ 1.5 grams ~ 2 grams ~0.9g TBD
          Flatpack form factor:
Dimensions (mm)         36 x 11 x 7.2 36 x 13 x 10
Weight in air         4.8g 9g
Weight in Fresh Water         TBD
Memory 64K, 128K 64K, 128K 128K 128k, 512k 128 Mbytes
Memory Management Custom Programming Custom Programming Custom Programming Custom Programming Custom Programming
Survival Depth 2000 meters 2000 meters 2000 meters 2000 meters 2000 meters
Max Operation Temperature 35° C 35° C 35° C 35° C 35°C
Min Operation Temperature -5° C -5° C -5° C -5° C -5° C
Number of samples Variable based upon data storage options selected Variable based upon data storage options selected Variable based upon data storage options selected Variable based upon data storage options selected variable based upon data storage options selected
Sample rate setting >1s in 1 sec. increments >1s in 1 sec. increments >1s in 1 sec. increments >1s in 1 sec. increments >1s in 1 sec. increments
Data Download Gold electrical contacts, 
57600 bps
Gold electrical contacts, 
57600 bps
Gold electrical contacts, 
57600 bps
Gold electrical contacts, 
57600 bps
Gold electrical contacts, 115200 bps
Sea water switch Yes Yes Yes Yes Yes
Standard Depth Range 50m, 100m, 200m, 500m, 1000m 50m, 100m, 200m, 500m, 1000m, 2000m 50m, 100m, 200m, 500m, 1000m, 2000m 50m, 100m, 200m, 500m, 1000m, 2000m 50m, 100m, 200m, 500m, 1000m, 2000m
Data Resolution Up to 8 bit (64k version) or up to 12 bits (128k version) Up to 8 bit (64k version) or up to 12 bits (128k version) Up to 12 bits maximum Up to 12 bits maximum Up to 12 bits maximum
Processing scale and offset No No No Yes Yes
Sensors Internal Temperature, and Pressure Internal Temperature, and Pressure Internal & External Temperature, and Pressure Internal Temperature, and Pressure Internal Temperature, and Pressure
Temperature Sensor Stalk No No Yes No No
Light sensor stalk No No No No No
Pressure Accuracy ±1% ±1% ±1% ±1% ±1%
Pressure Resolution 0.05% 0.05% 0.05% 0.05% 0.05%
Temperature Measurement -5° to 35° C -5° to 35° C -5° to 35° C -5° to 35° C -5° to 35° C
Temperature Accuracy Better than 0.2° C Better than 0.2° C Better than 0.2° C Better than 0.2° C Better than 0.2° C
Temperature Resolution 0.05° C or better 0.05° C or better 0.05° C or better 0.05° C or better 0.05° C or better
User Setup Miscellaneous ways to log data (see Key Features) Miscellaneous ways to log data (see Key Features) Miscellaneous ways to log data (see Key Features) Miscellaneous ways to log data (see Key Features) Miscellaneous ways to log data (see Key Features)
Number of log structures allowed 1 (64k version),
3 (128k version)
1 (64k version),
3 (128k version)
3 4 4
Minimum Life 1 year 1 year 1 year 1 year 1 year 2 year
Expected Life TBD TBD TBD TBD TBD
Data Analysis Software Yes Yes Yes Yes Yes

* at the sampling interval of every 12 seconds
For minimum life expectancy associated with sampling intervals less than this, please contact the appropriate Lotek account manager.
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N.B. These specifications are subject to change.

LAT 1800
 
LAT 1100
 
LAT 1400
 
LAT 1410