EKO MS-20T Instruction Manual
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EKO MS-20T Instruction Manual

Pyrgeometer
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Summary of Contents for EKO MS-20T

  • Page 2 A- 1. C o nv ers i o n Ta b le fr o m Te m per a tur e t o Ra d ia t io n 24 A- 2. Sp ec t ra l tr an s m i tt anc e Pg. 2 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...

  • Page 3: Important User Information

    The damage or defect is caused by disrespecting the specifications published on the Product Sheet or Manual. ➢ The bubble level fails or stops working (this part will not be serviced or replaced by EKO under warranty) ➢ There is discoloration of the pyrgeometer body, sun shield, and cable within a range that does not affect the function and performance of the product.

  • Page 4: Rohs Directive 2002/95/Ec

    2- 3. A bo ut T his Ins tr uc ti on Man ual Copy Rights Reserved by EKO INSTRUMENTS CO., LTD. Making copies of whole or parts of this document without permission from EKO is prohibited. This manual was issued:...
  • Page 5 Low Voltage-directive: 2014/35/EU Date: April, 12, 2023 Position of Authorized Signatory: General Manager of Quality Assurance Div. Name of Authorized Signatory: Taiji Yamashita Signature of Authorized Signatory: Pg. 5 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...

  • Page 6: Safety Information

    3. Safety Information EKO products are designed and manufactured under the consideration of the safety precautions. Please make sure to read and understand this instruction manual thoroughly in order to be able to operate the instrument safely and in the correct manner.
  • Page 7 When carrying any MS-20 model with the sun screen attached, always hold the instrument at the bottom. Holding only the sun screen part may lead to dropping the sensor as it comes away from the sun screen. Pg. 7 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...
  • Page 8 ➢ No need of drying agent replacement for 5 years (replaced at EKO during recalibration) All MS-20 are manufactured at EKO and calibrated against the reference unit traceable to WISG (World Infrared Standard Group), which is managed at PMOD/WRC*. Term of warranty for this product is 5 years; recommended recalibration period is 2 years(**).

  • Page 9: Package Contents

    4- 2. Pac k ag e Co nte nts Check the package contents first; if any missing parts or any damage is noticed, please contact EKO immediately. Table 4-1. Package Contents Contents MS-20 ○ Pyrgeometer ○ Output Cable* ○ Sunscreen...

  • Page 10: Getting Started

    The integrated spirit level is used for setup and maintaining the sensor in a horizontally levelled position. Pg. 10 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...
  • Page 11 Durable materials are used for the cable and connector, and pin terminals are attached at the end of the cable for easy connection with data logger terminal block. *If longer cables, round terminals or fork terminals are required, please contact EKO Instruments or your distributor. (Also see [7. Specification, 7-4. Accessories List] for optional items.) Pg.
  • Page 12 If the pyrgeometer is not levelled properly, the pyrgeometer readings are affected by cosine and azimuth errors. Periodically check the spirit level and adjust the pyrgeometer’s position if necessary. Pg. 12 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...
  • Page 13 * Please select the ohmmeter or the data logger which can measure the resistance value (Ω), in case of measuring the detector temperature (10kΩ@25°C). Please also see the 5-5. Pg. 13 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...
  • Page 14 Cable Color MS-20P Brown mV (+) mV (+) White mV (-) mV (-) Blue Thermistor Pt100 (A) Black Thermistor Pt100 (A) Gray Pt100 (B) Shield Shield Pg. 14 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...
  • Page 15 (refer to the appendix table for the result of infrared radiation amount conversion from temperature °C). + σT σ = 5.670367 x 10 (Stefan-Boltzmann constant) T = unit(K, kelvin) ・・・ Example: 25°C = 298.15K (273.15 + 25°C) Pg. 15 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...
  • Page 16 (σT ), and lastly the infrared radiation can be determined by adding the net radiation. + σT σ = 5.670367x10 [W・m ] : Stefan-Boltzmann constant ・K Pg. 16 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...
  • Page 17 B = −5.775×10 °C C = −4.183×10 °C Rt is resistance at t °C The simplified formula for calculating t is (3). (3) t=(√(A -4B(-R/100+1))-A) / 2B Pg. 17 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...

  • Page 18: Maintenance And Troubleshooting

    Recalibration Years Contact EKO for more details and pyrgeometer can change in time requests for a recalibration and which affects the sensor sensitivity. maintenance service. Pg. 18 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...

  • Page 19: Calibration Method

    It is recommended to recalibrate MS-20 pyrgeometer once every 2 years in order to verify the good quality of the solar radiation measurements. Below explains about the calibration methods of EKO pyrgeometers. For further information about recalibration and maintenance procedures, please contact EKO or find on the EKO website (http://eko-eu.com).
  • Page 20 6- 3. Tro ubl es hoo ti n g Read the following in case of any sensor trouble. If any questions should remain, please contact EKO for further technical support. Table 6-2. Troubleshooting Failure Action Make sure that the sensor cable is connected properly to the instrument. To verify the connection, measure the impedance of output cable (between the “+”...

  • Page 21: Py Rg Eom Ete R Sp Ec Ifi C A Tions

    4 pins AWG20: 0.5mm x 5 pins Output Cable (φ6.7mm) (φ6.7mm) (outer diameter) Pin-Terminal (0.3-9.5) Output Cable Terminal Voltage (mV) Output (or Signal) 0.35 kg Mass Pg. 21 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...
  • Page 22 65 mm B. Body Height 72mm C. Levelling Screw Height 16 mm D. Width (including Sunscreen/Cover) Φ96 mm E. Overall Height (approx.) 88mm Figure 7-1. Outer Dimensions Pg. 22 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...

  • Page 23: O Ut Pu T C Ables

    Option Items Remarks Cable Length: 20m, 30m, 50m Output Cable* Terminals: Fork Terminals, Round Terminals, Pin Terminals Ventilation Unit Model: MV-01 *Standard cable length is 10m. Pg. 23 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...
  • Page 24 732.66 741.39 750.2 759.09 768.06 777.1 E [W /m T em p [℃] 786.23 795.43 804.72 814.08 823.53 833.06 842.67 852.37 862.15 872.01 E [W /m Pg. 24 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...
  • Page 25 A- 2. Sp ec t ral tr ans mitt anc e The following is a typical value of the spectral transmittance of a silicon window. Pg. 25 EKO INSTRUMENTS CO., LTD. - Pyrgeometer MS-20T_20P - Instruction Manual Ver. 1...

This manual is also suitable for:

Ms-20p

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