Changri NUp Relative Humidity

At Changri Nup station a DMA 570 thermohygrometer was installed in 2010.

Temperature sensitive element is a thermoresistance Pt100 type while the humidity sensitive element is a

capacitive plate. The sensitive elements are protected from incident solar radiation by a double radiation

shield. Sensors for temperature and relative humidity measurements with radiation shield for

meteorological uses. Sensors are equipped with a microprocessor.

 
Citation proposal
(2011) . Changri NUp Relative Humidity. https://geoportal.mountaingenius.org/geonetwork/srv/api/records/b822ed10-a9dd-46ea-9a6a-b05e0b9c8218
 

INSPIRE

Identification

File identifier
b822ed10-a9dd-46ea-9a6a-b05e0b9c8218   XML
Hierarchy level
Series
Online resource
Protocol
WWW:LINK-1.0-http--link
Protocol
WWW:DOWNLOAD-1.0-http--download
Resource identifier
Encoding
Projection
code
WGS 84 (EPSG:4326)
 

Classification of data and services

Topic category
  • Climatology, meteorology, atmosphere
  • Environment
  • Geoscientific information
 

Classification of data and services

Coupled resource
Coupled resource
 
 

Classification of data and services

Coupled resource
Coupled resource
 
 

Keywords

GEMET ( Theme )
  • thermal power plant
Other keywords
Keywords
  • SHARE , Network , Station , High Altitude
Keywords ( Place )
  • Changri Nup Glacier , Himalaya , Nepal
Keywords ( Theme )
  • air , pollution , research , ecosystems , landscape , natural areas , climate
Keywords ( Theme )
  • AWS
Keywords ( Theme )
  • air temperature , relative humidity
 
 

Geographic coverage

N
S
E
W


 

Temporal reference

Temporal extent
Temporal extent
Date ( Publication )
2011-03-30T17:51:00
 

Quality and validity

Lineage

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

 

Conformity

Conformity
Conformity
 

Conformity

Conformity
Conformity
 

Restrictions on access and use

Access constraints
 

Restrictions on access and use

 

Responsible organization (s)

Contact for the resource
Organisation name
Ev-K2-CNR
Email
evk2cnr@evk2cnr.org
 

Responsible organization (s)

Contact for the resource
Organisation name
Ev-K2-CNR
Email
evk2cnr@evk2cnr.org
 

Metadata information

Contact for the metadata
Organisation name
Ev-K2-CNR
Email
metadata@evk2cnr.org
Date stamp
2025-02-07T18:35:40
Metadata language
eng
Character set
UTF8
 
 

SDS

Conformance class 1: invocable

Access Point URL
Endpoint URL
Technical specification
 

Conformance class 2: interoperable

Coordinate reference system
 
Quality of Service
 
Access constraints
Limitation
 
Use constraints
Limitation
 
Responsible custodian
Contact for the resource
 
 

Conformance class 3: harmonized

 
 

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