Speed and Temperature
The ST850 is a low-profile, retractable, thru-hull sensor that computes accurate
speed and temperature data and sends it to any NMEA 2000® network.
These low-profile units are nearly flush, minimizing drag with only 5 mm (3/16")
extending outside of the hull. The housing features a water valve which
minimizes water ingress into the boat when the retractable insert is being
replaced with the blanking plug.
Airmar's Smart™ Sensors have embedded
microelectronics. The signals from the speed and temperature sensors are
processed right inside the housing itself. All that is needed to receive data is
a single cable into a compatible network or display. Available as an analog
sensor or a digital Smart Sensor that can output in NMEA 0183 or NMEA 2000
protocol.
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Speed and fast-response water-temperature sensing
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Speed range: 2 to 45 knots (2 to 52 MPH)
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NMEA 2000 protocol
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Retractable insert in a low-profile housing with a water valve
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Available in a plastic (P17) or bronze (B17) housing
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Retrofits into B617V, P617V, SS617V, P217, P314, or ST650 housing
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NMEA 2000 certified cable
Brand: Airmar
Technology
Cable-Length: 6
m (20') NMEA 2000® cable, 6 m (20')
Comm Method: NMEA
2000®
Common Use: Cruising/Racing
Sailboats, Leisure/Yachting, Fishing
Country of Origin: USA
Data Rate: 1X
per second
Display Connector: N2
Micro
Functions: Speed,
Temperature
Hole Size: 51
mm (2")
Hull Material: Fiberglass
or wood
Material: Bronze
Mounting Style: Low
Profile Thru-Hull
Power Rating: N/A
Pulses: 17,000
p/nm* (4.8 Hz per knot)—*p/nm = pulses per nautical mile
Retractable housing: Yes
Retrofits: Retrofits
into B617V, P617V, SS617V, P217, P314 or ST650 housing
Speed Range: 2
to 45 knots (2 to 52 MPH)
Temperature Accuracy: ±0.5°C
(±1.8°F)
Tilted Element: No
Usable Shaft Length: 57
mm (2.25")
Voltage: 9
to 16 VDC
Water Temperature: -10°
to 40°C (14° to 104°F)
Weight: 1.3
kg (2.8 lb.)
WARNING:
This product can expose you to chemicals including Di-n-hexyl Phthalate (DnHP)
which is known to the State of California to cause reproductive harm, and
Vinyl Chloride which is known to the State of California to cause cancer. For
more information go to 
