120WX WeatherStation® Instrument

Part Number120WX

NOTE: AIRMAR NO LONGER MANUFACTURERS THIS MODEL, PLEASE SEE WEATHERSTATION® INSTRUMENTS FOR AVAILABLE MODELS.

Recreational Boating

The WeatherStation model 120WX is Airmar’s answer for recreational boating. The 120WX gives wind, air temperature, and barometric pressure readings. It is feature rich in a durable, rugged, small housing that is IPX6 rated for this environment. Reliability and performance, along with no moving parts, makes the 120WX a trouble-free and affordable choice for your recreational boating needs.

Ultrasonic measurement of apparent wind speed and direction
Barometric pressure
Air temperature
Wind chill
Housing IPX6 rated for water-ingress protection
Data output via a single cable (various lengths available)
- NMEA 0183/ASCII serial data protocol over RS-232 interface
- NMEA 2000 protocol over CAN

Options

Relative humidity module
- Enables dew-point and heat-index calculations
- Field serviceable
- WeatherStation housing rated IPX4

Air Temp Accuracy: ±1.1°C at 20°C

Air Temp Range: -40 to 80°C (-40 to 176°F)

Air Temp Resolution: 0.1°C

Apparent Wind Speed and Angle: Yes

Barometric Pressure Accuracy: ±0.5 hPa at 25°C (or better)

Barometric Pressure Range: 300 to 1100 hPa

Barometric Pressure Resolution: 0.1 hPa

Certs And Standards: CE, IPX6 (IPX4 with optional Relative Humidity sensor), RoHS, IEC61000-4-2, IEC60945, IEC60950_1C, IEC60950_22A, EN55022, EN55024, EN14982

Communications Available Hardware Interface: Serial RS232, Serial RS422, CAN

Communications Available Protocol: Comma delimited ASCII, NMEA 0183, NMEA 2000

Communications Serial Output Rate: 1 Hz typical. User selectable. 10 Hz maximum recommended

Humidity: Optional

Mobile: Yes

Mounting Thread: Standard 1”-14 UNS (3/4” NPT optional)

NMEA 2000 LEN: 2

Note: Cables sold separately unless otherwise specified

Operating Temp Range: -25 to 55°C (-13 to 131°F)

Optional RH Accuracy: ±5% RH at 0 to 90% RH at 20°C

Optional RH Range: 0 to 100% RH

Optional RH Resolution: 0.1% RH

Power Supply Current: <55 mA (<0.7 W) at 12 VDC

Power Supply Voltage: 9 to 40 VDC

Stationary: Yes

Waterproof Rating: IPX6 (Relative Humidity/IPX4)

Weight: 275 g (0.6 lb.)

Wind Direction Accuracy: ±3° at 10 m/s

Wind Direction Calculations: User configurable damping

Wind Direction Range: 0° to 359.9°

Wind Direction Resolution: 0.1°

Wind Speed Accuracy: 5% at 10 m/s at 4 angles

Wind Speed Calculations: User configurable damping

Wind Speed Range: 0 to 40 m/s (0 to 89 MPH)

Wind Speed Resolution: 0.1 m/s

Serial Data Output Protocol

NMEA 0183 Sentence Structure – Comma Delimited ASCII Format
$GPDTM	GPS Datum Reference
$GPGGA	GPS Fix Data
$GPGLL	Geographic Position—Latitude and Longitude
$GPGSA	GNSS DOP and Active Satellite
$GPGSV	Satellites in View
$GPRMC	Recommended Minimum GNSS
$GPVTG	COG and SOG
$GPZDA	Time and Date
$HCHDG	Heading, Deviation, and Variation
$HCHDT	True Heading
$HCTHS	True Heading and Status
$TIROT	Rate of Turn
$WIMDA	Meteorological Composite
$WIMWD	Wind Direction and Speed
$WIMWV	Wind Speed and Angle
$WIMWR	Relative Wind Direction and Speed
$WIMWT	Theoretical Wind Direction and Speed
$YXXDR	Transducer Measurements

CAN Data Output Protocol

NMEA 2000^® Output Message Structure
59392	ISO Acknowledgement
060928	ISO Address Claim
126208	Acknowledge Group Function
126464	PGN List
126992	System Time
126996	Product Information
126998	Configuration Information
127250	Vessel Heading
127251	Rate of Turn
127257	Attitude
127258	Magnetic Variation
129025	Position and Rapid Update
129026	COG and SOG, Rapid Update
129029	GNSS Position Data
129033	Time and Date
129044	Datum
129538	GNSS Control Status
129539	GNSS DOPs
129540	GNSS Sats in View
130306	Wind Data
130310	Environmental Parameters
130311	Environmental Parameters
130312	Temperature
130313	Humidity
130314	Actual Pressure
130323	Meteorological Station Data