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The Weather MicroServer is a hardware component that interfaces with any of CWS's weather stations to provide Internet and industrial protocols for automated weather monitoring via computer or industrial automation system.
Scroll way down for list of meteorological parameters measured/calculated.
The Weather MicroServer can provide real-time weather data to WeatherMaster Software over the network. This allows users to simultaneously monitor the weather using WeatherMaster on any computer connected to the network.
The powerful Weather MicroServer provides FTP output, as well as a browser user interface for network applications. It includes three serial communication ports and datalogging capability.
The parameters monitored depend on the weather station to which the MicroServer is connected.
* Available only with Orion Weather Stations
The Weather MicroServer has a built-in SNMP interface for communication with network management systems. SNMP versions 2 and 3 are supported. SNMPv3 interface incorporates SHA1 authentication and AES or DES encryption option with a user definable user name and password.
The Weather MicroServer has built-in Modbus TCP/IP and Modbus RTU interfaces for communication with industrial automation systems and OPC servers.Modbus RTU is available through an RS-232 Port (COM2). For RS-485 interface, a converter is available.
The Weather MicroServer offers DNP3 ethernet communication to interface CWS weather stations with process automation systems used primarily in utilities such as electric and water companies.
Additional Information including system diagram:
The Weather MicroServer serves an XML page that contains current weather parameter values.
Two serial ports, as well as up to eight analog channels, offer interfaces to various additional peripheral devices or sensors. Click below for information on available sensors:
The Carbon Dioxide (CO2) Sensor uses an infrared light source to measure ppm-level carbon dioxide. The sensor is configured for analog output.
The sensor is installed in a self-aspirating radiation shield to protect it from the effects of solar radiation. The sensor should be installed in a location that represents ambient atmospheric CO2 levels.
Measurement Range: 0 – 1980 ppm CO2
Accuracy: (including repeatability and non-linearity): ±40 ppm CO2 at 77 °F and 29.91 inHg
Output: 0 – 2.5VDC
Operating Temperature: -40°F to +140°F (-40°C to +60°C)
Operating voltage: 12 - 30 VDC
Power consumption: 0.4 W in continuous operation
The Ultrasonic Snow Depth Sensor transmits an ultrasonic pulsed sound wave through the air to meet a reflective object, such as snow. When the sound wave makes contact with the target it bounces back toward the sensor. The sensor records the time required for the sound wave to travel to the target and return. Using the speed of sound, the sensor calculates the distance to the object. Uses an analog channel.
Designed for a wide range of high-end atmospheric pressure measurement (specifically aviation), this dual silicon capacitive, absolute pressure sensor provides high accuracy and excellent long-term stability. Select Class A or Class B, both of which come with NIST traceable, factory calibration certificates. The MicroServer reports the two (redundant) pressure readings, the difference between them, and calculated QNH and QFE based on average value of the two sensors. Requires a serial port.
Range: 500 - 1100 hPa
Hysteresis: ±0.03 hPa
Repeatability: ±0.03 hPa
Operating Temperature Range: -40 to +60°C (-40 to +140°F)
Serial I/O: RS232C
Long-Term Stability: ± 0.1 hPa/year
Housing Classification: IP66
|Class A||Class B|
|Linearity:||±0.05 hPa||±0.10 hPa|
|Calibration uncertainty:||±0.5 hPa||±0.15 hPa|
|Accuracy: at +20 C(+68 F)||±0.5 hPa||±0.20 hPa|
|Total Accuracy:||±0.15 hPa||±0.25 hPa|
(Please note: While CWS weather stations are not FAA certified, they are used by many small airports in the US and around the world that are not subject to FAA certification.)
Catalog No. 82601: This silicon photovoltaic pyranometer or solar radiation sensor is calibrated to measure the shortwave radiation reaching the Earth's surface, measured in Watts per square meter. Self-cleaning dome-shaped head prevents water accumulation. Sensor head is potted solid to prevent internal condensation in humid environments.
ISO 9060:2018 Class C (previously known as second class)
Range: 0 to 2000 W mˉ²
Calibration Uncertainty: ± 5 %
Measurement Repeatability: Less than 1 %
Non-stability (Long-term Drift): Less than 2 % per year
Non-linearity: Less than 1 %
Response Time: Less than 1 ms
Field of View: 180˚
Spectral Range: 360 to 1120 nm (wavelengths where response is 10 % of maximum)
Directional (Cosine) Response: ± 5 % at 75˚ zenith angle
Temperature Response: 0.04 ± 0.04 % per C
Operating Environment: -40 to 70 C; 0 to 100 % relative humidity
Includes leveling plate, mounting bracket, and 50-foot cable.
Catalog No. 82605: The Hukseflux SR05 thermopile sensor meets ISO 9060 second class requirements. It measures solar radiation received by a plane surface, in W/m², from a 180° field of view angle. SR05 is ideal for general solar radiation measurements in meteorological networks and PV monitoring. The pyranometer is easy to mount and install, in particular with SR05's ball levelling mechanism. The sensor outputs 0 to 1 VDC signal and can be interfaced directly to the MicroServer’s analog channels.
ISO classification: ISO 9060 Second Class
Spectral range: 280 to 3000 nm
Calibration Uncertainty: < 1.8% (k=2)
Operating Temperature Range: -40 to +80°C
Output: 0 to 1VDC
Includes a tube mounting bracket and 50-foot cable. Additional mounting brackets are available.
Catalog No. 82603-6A: This Kipp & Zonen SMP6 thermopile sensor meets ISO 9060:1990 First Class requirements and features a sixty-four thermocouple junction (series connected) sensing element. The sensing element is coated with a highly stable carbon based non-organic coating, which delivers excellent spectral absorption and long term stability characteristics. It has improved performance due to the increased thermal mass and the double glass dome construction. The integral bubble level is raised to the top of the housing and can be viewed without removing the redesigned snap-on sun shield, which also covers the connector. The connector with gold-plated contacts allows for easy exchange and re-calibration.
The screw-in drying cartridge is easy to remove and the replacement desiccant is supplied in convenient refill packets.
The sensor outputs 0 to 1 VDC signal and can be interfaced directly to the MicroServer’s analog channels.
ISO classification: ISO 9060:1990 First Class
Spectral range (20% point): 280 to 3000 nm
Spectral range (50% point): 285 to 2800 nm
Response time (63%): <1.5 s
Response time (95%): <12 s
Zero offset A: <10 W/m²
Zero offset B: <4 W/m²
Directional response (up to 80° with 1000 W/m² beam): <15 W/m²
Temperature dependence of sensitivity (-40°C to +70°C): <3%
Output: 0 to 1VDC
Includes 50-foot cable. Optional mounting brackets available.
Catalog No. 82603-10A: This Kipp & Zonen SMP10 thermopile sensor meets ISO 9060:1990 Secondary Standard requirements (highest possible ISO pyranometer performance category). The SMP10 extends this quality to applications where maintenance is difficult and/or forms a major part of the cost of ownership. The Internal drying cartridge is rated to 10 years if the housing is not opened.
The SMP10 uses a temperature compensated detector and has better linearity and long-term stability, lower thermal offset and faster response than a first class pyranometer.
The faster response time meets the requirements for solar energy monitoring.
ISO classification: ISO 9060 Secondary Standard
Spectral range (50% point): 285 to 2800 nm
Response time (63%): <0.7 s
Response time (95%): <2 s
Zero offset A: <7 W/m²
Zero offset B: <2 W/m²
Directional response (up to 80° with 1000 W/m² beam): <10 W/m²
Temperature dependence of sensitivity (-40°C to +70°C): <1%
Output: 0 to 1VDC
Includes 50-foot cable. Optional mounting brackets available.
Measures UV radiation between 250 and 400 nanometers. The measurement includes both UV-A and UV-B radiation to provide a total combined measurement. The self-cleaning dome-shaped head prevents water accumulation. The sensor head is potted solid to prevent internal condensation in humid environments. Uses one analog channel.
Accuracy: ± 10%
Uniformity: ± 5%
Repeatability: ± 1%
Long Term Drift: <3% per year
Photosynthesis is driven by the number of photons between 400 and 700 nm. This is called Photosynthetic Photon Flux (PPF) and is measured in μmol m-2 s-1 (micromoles of photons per square meter per second). PPF sensors are commonly called quantum sensors because a quantum refers to the amount of energy carried by a photon. Uses one analog channel.
Accuracy: ± 0.5%
Uniformity: ± 3%
Repeatability: : ± 1%
A laser optical sensor is used to detect and measure particulate concentrations up to 100 milligrams per cubic meter. The continuous flow optical sensor is combined with purge air to ensure accurate measurements in adverse environments. The optical sensor is enclosed with matched electronics and sensor display. Built-in calibration function is included.
The standard unit is supplied with an internal flow system in a rugged weatherproof housing. Inlet assembly includes a built-in heater to prevent moisture penetration and a size selected inlet to allow particle passage without allowing foreign matter to penetrate. Power for the heater is regulated, and is only used when moisture is detected. Requires serial port.
Range: 0-100 mg/M3
Sensitivity: 0.001 mg/ M3
Accuracy: ± 5% to traceable standard with .6 um PSL
Display: LCD Display provides information on operation including: power, heater power, flow operation, status and concentration.
Flow Rate: 2 liters minute
Measures atmospheric visibility, also known as meteorological optical range (MOR) by determining the amount of light scattered by particles (smoke, dust, haze, fog, rain, & snow) in the air that passes through the optical sample volume. A 42-degree forward scatter angle ensures performance over a wide range of particle sizes.
An integrated, one-piece housing design keeps all cabling internal to the sensor for protection against the elements. The sensor housing is made from anodized aluminum and the enclosures are rugged, UV-resistant fiberglass rated to IP66.
Based on the proven experience of the NWS and FAA, the sensor uses a "look down" geometry to reduce window contamination and clogging from blowing snow. The windows use continuous duty anti-dew heaters.
Surge and EMI filtering on all power and signal lines help ensure uninterrupted service for the life of the sensor.
This equipment is in compliance with the essential requirements and other provisions of Low Voltage Directives 73/23/EEC and 89/336/ EEC as amended by Directive 93/68/EEC.
Installation and maintenance: A 1-1/2 inch IPS pipe or optional 1 inch IPS pipe flange located on the bottom of the Main Electronics Box mates with a user supplied pipe. Power and signal connections are made through waterproof cable glands to terminal boards in the Box.
Field Calibration: Connect the factory-supplied calibration fixture (included) and follow a simple procedure that takes less than 30 minutes. Annual calibration is recommended.
Visibility Range: 30m - 16 km standard
Extinction Range: 100 - 0.1863 km-1 standard
Accuracy: +/- 10% RMSE
Time Constant: 60 sec
Scatter Angle: 42 deg nominal
Source: 880 nm LED
Output: Serial RS-232
Power: 10-36 VDC, 6 VA Nominal
18 VA w/ hood heating
Operating Temperature: -40 to 60 C
Operating Humidity: 0-100%
Protection: IP66 (NEMA-4X)
Weight: 8 kg (18 lb)
Dimensions: 889 mm W x 292 mm H x 305 mm D (35 in x 11.5 in x 12 in)
Mounting: Nominal 40 mm ISO pipe, 48 mm OD max
(1-1/2" IPS pipe, 1.9 inch OD max)
The Visibility Sensor utilizes the forward scatter technology for visibility measurements. Uses one serial port.
Visibility Measurement: 33 to 104,985ft (10 to 32,000m)
Accuracy up to 10,000m: ±10%
Accuracy over 10,000m: ±20%
Operating Temperature: -25°C to +60°C
Power Supply: +12VDC
Visibility Sensor (Low Power)
Catalog Number: 82620-10
One or two temperature sensors can be connected directly to the MicroServer. Uses one analog channel per sensor.
Range: -40 to +125° C (-40 to + 257° F)
Accuracy: ± 1° C typical at 25° C
Long-Term Stability: 0.4°C
Resolution: ± 0.1° C (0.1° F)
Specify Panel Temperature, Soil/Water Temperature, or Ambient Temperature Sensor.
Available as an additional sensor option, or as its own weather station - the Orion 533 Wind Monitor.
Both wind speed and direction are measured using an advanced ultrasonic sensor. The sensor uses ultrasound to determine horizontal wind speed and direction. The array of three equally spaced ultrasonic transducers on a horizontal plane is an ideal design which ensures accurate wind measurement from all wind directions, without blind angles or corrupted readings.
The wind sensor has no moving parts, which makes it maintenance free. The measurement range for wind speed is from 0 to 135 mph (0 to 60 m/s) and for wind direction from 0 to 360°. Requires one serial port.
Range: 0-135mph (0-60 m/s)
Accuracy: ±0.7 mph (+/-0.3 m/s)
Resolution: 1 mph (1 m/s)
Units Available: knots, mph, km/hr, m/s
Units Available: ° Azimuth
Height: 139 mm (5.17")
Diameter: 127 mm (5.00")
Weight: 510 g (1.12 lbs)
The tipping bucket electric rain gauge is composed of a complex spun collector funnel with a knife edge that diverts the water to a tipping bucket mechanism. For each tip, a magnet causes an electronic pulse that is recorded. The rainfall sensor is completely automatic - spent water drains out of the bottom of the housing, hence, the instrument requires no servicing.
Accuracy: ±1% at 2 in./hr or less
Resolution: 0.01 inch
Heated rain gauge is available.
The Freezing Rain Sensor detects the presence of icing conditions. Included is a built-in heater for automatic defrost.
Supply Voltage: 24 VDC
Temperature Range: Operating: –67° to +160°F
Storage: –85° to +194°F
Icing Signal Period: 60 second activation from start of icing measurement.
De-icing (Heater) Control Automatically triggered with accumulation of 0.5mm of ice on probe. Max heating time: 25 seconds
The Weather MicroServer serves data to be viewed on the customer's system, and also can be used in conjunction with these additional monitoring options.
The Weather MicroServer offers real-time data via an Internet browser interface.
Real-time web monitoring included with the Weather MicroServer.
The second phase of the project will add datalogging, historical data and trend graphs.
Contact us for customization.
With no additional hardware or software, the MicroServer can automatically post data from your weather station to the following weather networks:
Industrial grade WVGA touchscreen displays current weather data, trends, min/max.
Computes and displays wind chill, heat index and other calculated parameters.
Seven-inch color LCD panel with 800 x 480 pixel resolution.
Available in desktop/wall-mount chassis, 19" rack mount, or panel mount.
Weather Master™ is our proprietary software optimized for CWS weather stations. It provides computer weather monitoring, calculated parameters, graphing and trend displays, as well as automatic archiving of weather data, alarm notification, interface with CAMEO/ALOHA, and weather web page updates.
Check current conditions quickly from a hand-held mobile device for decision-making in the field. The CWS Weather Monitor App is compatible with all CWS weather stations that include the Weather MicroServer. The app includes three real-time monitoring screens which display standard meteorological parameters. Access to a Cloud Weather Server account is required.
An outdoor display for weather station data, offering a daylight bright readout utilizing IP65-rated LEDs in a weather-sealed enclosure. These “intelligent” readerboards are available in a variety of sizes with customizable messaging for indoor or outdoor use.
Applications include transportation, facility management, public safety, and mobile weather labs.
Electrical Ethernet – RJ45 – 10/100Mb Cat5
Enclosure IP65 rated LEDs - PTFE gasketed,
Input: 95 ~ 260VAC at 50 ~ 60 Hz
Power Consumption:188 W maximum, 48 W typical
Operating Temperature: -34° ~ 65° C or -30°F ~ 150 °F ambient
Relative Humidity: up to 90% non-condensing
Click to expand for specific details.
A standard 7-foot serial communication cable connects the Interface or Control Module to the MicroServer. A standard 7-foot ethernet cable connects the MicroServer to the Network. Extra length RS-232 cable is available up to 200 feet, catalog number 8233.
For lengths from 200 to 4000 feet, refer to the RS-485 Short Haul Modem option below.
Standard system diagram below shown with Orion Sensor.
Wireless transceivers offer a cable-free means to remotely monitor weather information when hardwire installations are not feasible or practical.
For fixed-mount weather stations, 2.4 GHz and 900MHz wireless transceiver options offer outdoor line-of-site range at one mile and 20 miles, respectively.
For the wireless Orion Weather Station, a transceiver is housed in a weatherproof enclosure near the sensor head. A single transceiver is connected to the Interface Module at the data display site, which then is connected to a Weather Display Console and/or computer.
These stations require power at the site of the weatherproof enclosure. This power can be AC, battery or solar. The Orion sensor head requires significantly less power and is a good choice for solar or battery-powered operation.
A wireless weather station system configuration would include the weather station itself with display or software, plus a weatherproof enclosure and transceivers.
2.4 GHz: FCC (USA), IC (Canada) and ETSI (Europe).
900 MHz: FCC and IC
2.4 GHz Model, Catalog Number 8245
900 MHz Model, Catalog Number 8255
Wireless system diagram below shown with Orion Sensor.
Catalog Number 8247-2
Two short haul modems are used to extend the RS-232 range from 200 feet to 4000 feet. Includes power supplies.
Order cable by the foot, catalog number 8230.
RS-422 system diagram below shown with Orion Sensor.
Catalog Number 8403-1
Utilizes a Sierra Wireless AirLink RV50 Industrial modem, shown in optional weatherproof enclosure (Catalog Number 88163). CWS configures to customer-provided cell service.