Pyrgeometers

MS-21 Pyrgeometer

  • WISG traceable calibration
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Pyrgeometers

Features

  • NEW thermal coupling design, outstanding low thermal resistance
  • WISG traceable calibration
  • 4.5µm - 42µm flat spectral response
  • Low temperature dependency, excellent stability
  • Designed & built for ultra-low window heating
  • 5-year warranty & EKO quality guarantee

MS-21 Pyrgeometer

  • WISG traceable calibration

Research-grade, accurate, and robust, the MS-21 measures longwave downwelling radiation and longwave net radiation in a wide spectral band and delivers superior stability independent of the sensors’ operating temperature.

Add to list
Pyrgeometers

Features

  • NEW thermal coupling design, outstanding low thermal resistance
  • WISG traceable calibration
  • 4.5µm - 42µm flat spectral response
  • Low temperature dependency, excellent stability
  • Designed & built for ultra-low window heating
  • 5-year warranty & EKO quality guarantee
Find out more

Overview

Designed to raise the bar, the MS-21 Pyrgeometer is research-grade, accurate, robust and delivers superior stability independent of the sensors’ operating temperature. Based on a new design concept and built for consistency, the MS-21 minimises temperature differences and suppresses window heating errors.


Whatever the conditions, the MS-21 measures longwave downwelling radiation and longwave net radiation in a wide spectral band without needing a sun tracker with a shading device or shadow ring. It features a silicon meniscus dome with solar blind interference filter and hard carbon coating, a new thermal coupling design, onboard temperature compensating electronics, and a unique aluminium alloy sun shield.


With a 5-year Warranty, World Infrared Standard Group (WISG) traceable calibration, and PT-100/4W IEC60751 Class A Industrial platinum resistance thermometers and temperature sensors; the MS-21 achieves the highest standards for quality, accuracy, and reliability.

Specifications

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Attribute MS-21
Wavelength range 4.5 to 42μm
Sensitivity 10 to 20uV/W/m²
Response time < 18 Sec (@95%)
Window heating offset < 4 W/m²
Zero offset B < 1 W/m²
Temperature response < 1 % (-20 to 50°)
Non linearity < 1 %
Operating temperature range -40 to 80°
Net radiation measurement range -250 to 250 W/m²
Field of view 180 degrees
Detector temperature sensor Pt-100, 4 wires
Impedance (approx.) 100 to 200Ω

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How it works

  1. Confirm your selection and click on the 'Request a quote' button.
  2. Fill in the form & hit send.
  3. Your list and your contact details will be sent to your local EKO office.
  4. Our team will get back to you as soon as possible with more information or to set up a call or meeting.

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