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Juvenile loggerhead sea turtle (Caretta caretta) © Upwell and Nuno Vasco Rodrigues 2023
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K4H 130B
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K4H 132A
Lotek KiwiSat® K4H 13x Harness series offers a range of extremely light weight, field proven marine Argos transmitters for 100-150g sea turtles. Each model is carefully designed with a compact shape and minimal frontal area. Models are available weighing from as little as 2.9g and they are rigorously tested to depths as deep as 200m. The tag maximizes the benefits offered by the Argos-3 network meaning that transmit power can be halved for the same amount of data throughput and error rates thereby minimizing the transmitter size.
Ideal for small turtles, ranging in size between 100-150g. Tested on green, Kemp’s ridley, leatherback and loggerhead sea turtles.
See baby sea turtles get released into the ocean live on TODAY
EMBER THE JUVENILE LOGGERHEAD SWIMS OUT INTO THE ATLANTIC!
https://www.upwell.org/news/2023/2/7/ember-the-juvenile-loggerhead-swims-out-into-the-atlantic
| Model | Weight (g) | Size (mm) | Max Depth | Estimated Life [1] (days) | Recharge | ||
| in air | in saltwater | (LxWxH) | (m) | Standard | DIVE | ||
|---|---|---|---|---|---|---|---|
| K4H 130B | 2.9 [2] | 0 | 26 x 14.7 x 7.7 | 200 | Indefinite [3] | Indefinite [3] | Via Solar panel |
| K4H 132A | 5.7 | 0.7 | 34.2 x 15.5 x 11 | 200 | 40 | n/a | Via Charging cable |
1. Estimated life using 200 transmissions per day.
2. The DIVE option model is 0.2g heavier.
3. Life indefinite due to solar charging capacity – results will vary based upon the weather conditions and diving behaviour of the animal.
Features and specifications subject to change without notice.
Technical Specifications:
Argos transmit power: <200mW
Operating temperature range: – 10˚C to 50˚C
Standard Sensors: Wet/dry sensor
Temperature sensor range: -50˚C to 75˚C
Temperature sensor accuracy: +/- 0.5˚C
Temperature sensor resolution: 0.25˚C
DIVE Sensors:
Calibrated sensor range: 0˚C to 40˚C
Depth sensor range: 200m
Depth sensor accuracy: ±1% of Full Scale
Depth sensor resolution: ~0.1% of Full Scale
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