B08_SALIENTS.pdf
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- Attached to
- DIGITAL TEMPERATURE CABLE IAW SALIENTS Federal contract opportunity
- Solicitation number
- 140G0125Q0021
About this file
This document is a Salient Characteristics specification (S24165) detailing requirements for a Digital Temperature Cable (String) system. The specification outlines technical requirements for an underwater temperature monitoring system consisting of a submersible Kevlar-reinforced digital output cable with integrated temperature sensors.
The main component must feature titanium thermistors in protective housing for underwater deployment, with temperature sensor nodes spaced at 10-foot intervals and a 1-foot pigtail after the 25th node. Key technical specifications include: measurement accuracy of ±0.075°C, 0.01°C resolution, RS-485 Modbus RTU bus communication, operating temperature range of 0-45°C, 2-second measurement intervals, 200m depth rating, and 4-28 VDC power compatibility. The system includes three additional components: a 15m underwater receptacle to flying lead cable, a 15m underwater plug to receptacle extension cable, and an underwater sensor port plug. The cable features UV-stabilized polyurethane jacket construction, braided Kevlar core, and flexible strain reliefs, with sensor nodes no larger than 1.4 inches in diameter.
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Text version
Salient Characteristics
S24165
Digital Temperature Cable (String)
SALIENT CHARACTERISTICS:
1 ea. Digital Temperature Cable (String):
1. Shall consist of a submersible Kevlar reinforced digital output cable with integral temperature sensors for temperature profiling applications.
2. Shall incorporate integral titanium thermistors secured in a protective housing for underwater deployments in fresh, brackish, or seawater.
3. Cable shall incorporate a heavy wall, UV-stabilized polyurethane jacket, braided Kevlar core and flexible strain reliefs on both ends.
4. Shall include temperature sensor nodes spaced at 10 ft. intervals with a with a 1-foot pigtail after the
25th node.
5. Shall have a measurement accuracy of +/- 0.075°C and resolution of 0.01°C, or better.
6. Shall transmit data on a RS-485 Modbus RTU bus with pass-through signals to allow for connection of additional sensors (water quality, depth, etc.) to the end of the string.
7. Shall be capable of operating over a temperature range from at least 0 to 45o C.
8. Shall have a measurement (temperature update) interval of 2 seconds.
9. Shall have a depth rating of at least 200 m.
10. Shall be capable of being powered from an external 4-28 VDC power from a 12 or 24 VDC power supply.
11. Sensors shall not require re-calibration.
12. Shall terminate in a plug and receptacle connector, allowing the user to expand the string by purchasing additional sections.
13. Sensor node bodies/molds shall be no larger than 1.4 inches in size/diameter.
1 ea. Receptacle to Flying Lead Cable:
14. Shall consist of a 15 m underwater receptacle to flying lead cable.
1 ea. Plug to Receptacle:
15. Shall consist of a 15 m underwater plug to receptacle extension cable.
1 ea. Sensor Port Plug:
16. Shall consist of an underwater sensor port plug.
File details come from the government source that posted it. Updated .