Note - content is provided for historical continuity and may be out of date. The UNAVCO SuomiNet pages are not actively maintained, and up-to-date SuomiNet information should be obtained from UCAR’s COSMIC program at: www.cosmic.ucar.edu/suominet.html
There are three meteorological packages approved for SuomiNet sites.
They are the Paroscientific MET3 or MET3A, and the Vaisala PTU200.
MET3
 |
Specifications
|
PERFORMANCE
|
|
Pressure (Digiquartz Broadband
Barometric Standard)
|
|
Range: (consult with the
factory for lower ranges)
|
620-1100 hPa (9-16 psia)
|
|
Repeatability:
|
≤±0.003% of reading
|
|
Hysteresis:
|
≤±0.003% of reading
|
|
Pressure characterization over operating temperature range:
|
≤0.1 hPa (rms)
|
|
Stability:
|
better than 0.1 hPa per year
|
|
Temperature (Platinum Resistance Temperature Probe)
|
|
Range:
|
-50 to +60° C
|
|
Performance:
|
≤0.5° C
|
|
Stability:
|
better than 0.1° C per year
|
|
Relative Humidity (Capacitance Probe)
|
|
Range:
|
0 to 100% non-condensing
|
|
Performance:
|
±2% RH (0-100% RH at 25° C)
|
|
Stability:
|
better than 1% per year
|
|
ENVIRONMENTAL
|
|
Maximum Pressure:
|
1240 hPa (18 psia)
|
|
Operating Temperature Range:
|
-50 to +60° C
|
|
Power Requirements:
|
20 mA NOMINAL @ 7 to 16 Vdc
|
|
Weight:
|
4.5 ±.2 lbs (2.04±.09 kg)
|
|
OUTPUT
|
|
RS232 Bi-directional interface
|
|
Vendor
Support
|
|
GPS
Meteorology Support Site
|
|
Technical
Paper on Broadband Barometers
|
|
GPS
Meteorology Slide Show
|
|
Digiquartz
Technology Slide Show
|
|
Long-Term
Barometer Stability Test
|
|
Product
Datasheet
|
Features
Weatherproof enclosure
NEW LED Status Indicators
RS-232 bi-directional interface
Fully calibrated and characterized
3 year long-term stability warranty
ISO 9001 Quality System - NIST Traceable
AC adapter and GPS / Computer interface cables are available
|
|
MET3A
 |
Specifications
|
PERFORMANCE
|
|
Pressure
|
|
Range: (consult with the
factory for lower ranges)
|
620-1100 hPa (9-16 psia)
|
|
Resolution:
|
Better than 0.001 hPa
|
|
Accuracy, Including Pressure Hysteresis, Repeatability, Linearity, & Temperature Conformance:
|
Better than ±0.08 hPa
|
|
Stability:
|
better than 0.1 hPa per year
|
|
Temperature
|
|
Range:
|
-50 to +60° C
|
|
Resolution:
|
Better than 0.01° C
|
|
Accuracy:
|
Better than ±0.1° C
|
|
Stability:
|
better than 0.1° C per year
|
|
Humidity
|
|
Range:
|
0 to 100%
|
|
Accuracy:
|
Better than ±2% RH at 25° C
|
|
Saturation Recovery Time:
|
2 minutes or less
|
|
ENVIRONMENTAL
|
|
Maximum Pressure:
|
1240 hPa (18 psia)
|
|
Operating Temperature Range:
|
-50 to +60° C
|
|
Power Requirements:
|
|
Input Voltage:
|
7 to 16 Vdc
|
|
Current
|
105 mA - Nominal
200 mA - Maximum
|
|
|
Aspiration Flow Rate:
|
4.5 meters/second
|
|
Weight:
|
4.2 Kg (9.2 lbs)
|
|
OUTPUT
|
|
RS-232 Bi-directional interface
|
|
Vendor
Support
|
|
GPS
Meteorology Support Site
|
|
Technical
Paper on Broadband Barometers
|
|
GPS
Meteorology Slide Show
|
|
Digiquartz
Technology Slide Show
|
|
Long-Term
Barometer Stability Test
|
|
Product
Information
|
Features
Weatherproof enclosure
NEW LED Status Indicators
Fan aspirated probe system
RS-232 bi-directional interface
High Performance Pressure Port
3 year warranty on barometer stability
NIST Traceable - ISO 9001 Quality System - CE Certified
AC adapter and GPS / Computer interface cables are available
|
|
PTU200
 |
Specifications
|
Barometric Pressure
|
|
Operating Range
|
|
Pressure Range
|
500-1100 hPa
|
|
Accuracy
|
|
|
class A
|
|
Linearity
|
±0.05 hPa
|
|
Hysteresis
|
±0.03 hPa
|
|
Repeatability
|
±0.03 hPa
|
|
Calibration Uncertainty
|
±0.07 hPa
|
|
Accuracy at +20°C
|
±0.10 hPa
|
|
Temperature Dependance
|
±0.1 hPa
|
|
Total Accuracy
|
±0.15 hPa
|
|
Long-term Stability/year
|
±0.1 hPa
|
|
Response Time (100% response)
|
|
one sensor
|
2 seconds
|
|
Humidity
|
|
Operating Range
|
|
Measurement Range
|
0.8-100% RH
|
|
Accuracy
|
|
Accuracy at +20°C (including non-linearity
and hysteresis):
|
|
against factory references
|
±1% RH
|
|
field calibration against references
|
±2% RH (0-90% RH)
±3% RH (90-100% RH)
|
|
Typical Long-term Stability
|
better than 1% RH per year
|
|
Temperature Dependance
|
±0.05% RH/°C
|
|
Response Time (90% at +20°C)
|
15s with membrane filter
|
|
Humidity Sensor
|
HUMICAP®180
|
|
Temperature
|
|
Operating Range
|
|
Range:
|
-40 to +60°C
|
|
Accuracy
|
|
Stability
|
better than -0.1°C per year
|
Features
-Low pressure range 500 hPa for high elevation
installations
-Remote 20m extension cable for RH+T sensors outdoor installation, enables
indoor mounting of transmitter with pressure sensor and display
-LCD display with RH,T,P readings, messages, keypad
-Optional transmitter outdoor weather package available
-Standard RS232/NMEA GPS protocol
-ISO9002-approved, NIST-certificate, CE-mark
|
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