Forni Thermohygrometer

At the Forni AWS the DMA570 Lsi-Lastem Thermohygrometer is mounted on a 2 m pole.

It is a probe for measuring air temperature and air relative humidity with replaceable sensitive element for simplify calibration and maintenance. LSI-Lastem supplies a precise and reliable set of probes, suitable for a continuous measurement in severe environments, in presence of deep thermal and hygrometric ranges with high sun radiant heat. An important feature of this set of sensor is that the thermohygrometric sensitive element is easily replaceable, in order to have a simple and rapid ordinary maintenance and avoiding calibration. The Thermohygrometer has supported a considerable improvement, owing to a deep technical and styling development process: a fan ensures a continuos air change around the sensor in order to eliminate temperature fault caused by radiant heat.

For temperature:

Range -30.+70°C

Sensitive element Pt100 1/3 DIN-B

Accuracy ± 0,1°C (0°C)

Hysteresis&Repeatability na

Resolution 0,025°C

Long term stability -0.04% (after 5 years at 200°C)

Calibration uncertainty 0,1°C

Response time (T63) Wind speed 0,3-0,5 m/s: 80sec

Radiation shield efficiency with respect to forced ventilation sensor (wind 0,5m/s, rad.800 W/m2): +0,6°C

For relative humidity:

Range: Nom.0..100%, Eff.10..98%

Sensitive element Capacitive

Accuracy 2,5% (11-90%) 0,6°C (20°C, 50%RH)

Hysteresis&Repeatability 0,5%

Resolution 0,2%

Long term stability -2%/year (at 75%RH) n.a.

Calibration uncertainty 0,1°C 1,5% na

Response time (T63) Wind speed 0,3-0,5 m/s: 80sec

Radiation shield efficiency with respect to forced ventilation sensor (wind 0,5m/s, rad.800 W/m2): n.a.

General characteristic:

Ventilation: Natural

Electric output Jumper locally selectable 2 x 0-20 mA, 4-20 mA, 0-5 V, 1-5 V. 60-300 mV

Output signals Output n.1: temperature. Output n.2: RH% or dew point (default RH%)

Operating temperature -30°+70°C

Sampling rate 1 sec. (default) PC programmable 1..300 sec.

N°acquisitions for mobile average calculation: N°1 (default), PC programmable 1..20 acquisitions

Load resistance (mA output): DMA570 300 Ohm

 
Citation proposal
(2011) . Forni Thermohygrometer. https://geoportal.mountaingenius.org/geonetwork/srv/api/records/55638813-8255-4128-bb24-d4a246d45910
 

Simple

Date ( Publication )
2011-04-12T19:08:00
Edition
Purpose

The purpose of this resource in Namche station is to acquire data on:

- air temperature

- relative humidity

Status
Historical archive

  Point of contact

  +39 02-50315494 
Website
http://www.evk2cnr.org/  
Maintenance and update frequency
As needed
Keywords ( Theme )
  • NEXTDATA
Keywords ( Theme )
  • NEXTDATA
Keywords ( Theme )
Keywords ( Theme )
Keywords ( Theme )
  • SHARE , network
Keywords ( Place )
  • Forni Glacier, Ortles-Cevedale Group, Stelvio National Parks, Alps, Italy
GEMET themes ( Theme )
  • air temperature, relative humidity
Keywords ( Theme )
  • NEXTDATA
Keywords ( Theme )
Keywords ( Theme )
Keywords ( Theme )
  • SHARE , network
Keywords ( Place )
  • Forni Glacier, Ortles-Cevedale Group, Stelvio National Parks, Alps, Italy
GEMET themes ( Theme )
  • air temperature, relative humidity
Keywords ( Theme )
  • NEXTDATA
Keywords ( Theme )
Keywords ( Theme )
Keywords ( Theme )
  • SHARE , network
Keywords ( Place )
  • Forni Glacier, Ortles-Cevedale Group, Stelvio National Parks, Alps, Italy
GEMET themes ( Theme )
  • air temperature, relative humidity
Keywords ( Theme )
  • NEXTDATA
Keywords ( Theme )
Keywords ( Theme )
Keywords ( Theme )
  • SHARE , network
Keywords ( Place )
  • Forni Glacier, Ortles-Cevedale Group, Stelvio National Parks, Alps, Italy
GEMET themes ( Theme )
  • air temperature, relative humidity
Use limitation
Data Sharing and Publication Policy at DISTRIBUTION SECTION
Access constraints
Intellectual property rights
Other constraints
Spatial representation type
Vector
Character set
UTF8
Topic category
  • Climatology, meteorology, atmosphere
  • Geoscientific information
  • Environment
N
S
E
W


Reference system identifier
EPSG / WGS 84 (EPSG:4326) / 7.4
Topology level
Geometry only
Geometric object type
Point
Geometric object count
13
OnLine resource
gn:share_station  

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Hierarchy level
Series
Statement
This sensor is mounted on a mast at 2 m of height.

gmd:MD_Metadata

File identifier
55638813-8255-4128-bb24-d4a246d45910   XML
Metadata language
eng
Character set
UTF8
Parent identifier
66ca0e30-45bc-445b-82ee-69bb0fc5280c
Hierarchy level
Series
Hierarchy level name
Date stamp
2025-02-24T09:17:21
Metadata standard name
ISO 19115:2003/19139
Metadata standard version
1.0

  Point of contact

  +39 035 3230551 
Website
http://www.evk2cnr.org  
Dataset URI
 
 

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