GHM Delta OHM LPPIRG01 Operating Manual Download Page 1

Page: 1 / 26

Operating manual

Pyrgeometer

LPPIRG01

www.deltaohm.com

English

Keep for future reference.

Companies / Brands of GHM

Summary of Contents for Delta OHM LPPIRG01

Page 1: ...Operating manual Pyrgeometer LPPIRG01 www deltaohm com English Keep for future reference Companies Brands of GHM...

Page 2: ...PPIRG01 CONNECTIONS 9 4 2 LPPIRG01S CONNECTIONS 10 5 MEASUREMENT IN THE MODEL WITH ANALOG OUTPUT 11 6 RS485 MODBUS RTU OUTPUT 13 6 1 SETTING THE COMMUNICATION PARAMETERS 13 6 2 READING THE MEASURES WI...

Page 3: ...other pyrgeometer which measures infrared radiation upwards it is necessary an albedometer LPPYRA05 LPPYRA06 or LPPYRA11 for measuring the short wavelengths radiation 3 m The pyrgeometer is available...

Page 4: ...smission of the silicon window as the wavelength varies is shown in figure 2 1 1 Fig 2 1 Transmission of the silicon window Radiant energy is absorbed radiated by the thermopile black surface thus cre...

Page 5: ...Eterm Uemf C 2 The first term of formula 1 represents the net radiation that is to say the difference between ground infrared radiation and the pyrgeometer emission while the second term is the radiat...

Page 6: ...using a coin 3 Remove the cartridge perforated cap 4 Open the sachet containing silica gel supplied with the pyrgeometer 5 Fill the cartridge with the silica gel crystals 6 Close the cartridge with it...

Page 7: ...rn Hemisphere and to the South Pole if used in the Southern Hemisphere In any case it is better to follow this suggestion even when the shade disk is applied For fixing use the holes on the pyrgeomete...

Page 8: ...LPPIRG01 8 V2 1 Fig 3 3 fixing accessories...

Page 9: ...ck wire cable shield in LPPIRG01S 4 1 LPPIRG01 CONNECTIONS The pyrgeometer LPPIRG01 is passive and does not require power supply It is to be connected either to a millivoltmeter or to a data acquisiti...

Page 10: ...own 5 RS485 B White 6 Housing Shield Black 7 Not connected 8 Not connected Fig 4 2 LPPIRG01S connections Before connecting the pyrgeometer to the RS485 network set the address and the com munication p...

Page 11: ...ure and NTC resistance TB C RNTC TB C RNTC TB C RNTC 25 103700 3 25740 31 7880 24 98240 4 24590 32 7579 23 93110 5 23500 33 7291 22 88280 6 22470 34 7016 21 83730 7 21480 35 6752 20 79440 8 20550 36 6...

Page 12: ...mf in V measured with a multimeter are known irradiation EFIR W m 2 is obtained from the formula 4 EFIR Uemf C TB 4 4 Where Stefan Boltzmann constant 5 6704 x 10 8 W m 2 K 4 TB sensitivity of the inst...

Page 13: ...y to install the related USB drivers in the PC NOTES ON THE INSTALLATION OF UNSIGNED USB DRIVER before installing unsigned USB driver into operating systems starting from Windows 7 it is necessary to...

Page 14: ...bits no parity 2 stop bits n 2 8 E 1 8 data bits even parity 1 stop bit n 3 8 E 2 8 data bits even parity 2 stop bits n 4 8 O 1 8 data bits odd parity 1 stop bit n 5 8 O 2 8 data bits odd parity 2 sto...

Page 15: ...tus register bit0 1 solar radiation measurement error bit2 1 configuration data error bit3 1 program memory error 16 bit Integer 5 4 Average values of the last 4 measurements 16 bit Integer 6 5 Signal...

Page 16: ...ze the condensation the pyrgeometer is provided with a cartridge containing dessicant material silica gel The efficiency of the silica gel crystals decreases over time while absorbing humidity Silica...

Page 17: ...PIRG01 Digital RS485 Modbus RTU LPPIRG01S Power supply 5 30 Vdc LPPIRG01S Connection 8 pole M12 connector Dimensions Fig 3 2 Weight 0 9 kg Accuracy of levelling device 0 1 Protection degree IP 67 MTBF...

Page 18: ...ell as the specific measures described in this manual are fol lowed The instrument proper operation and operating safety can be ensured only in the cli matic conditions specified in this manual Do not...

Page 19: ...n the other end Length 2 m CPM12AA8PG 5 Cable with 8 pole M12 connector on one end open wires on the other end Length 5 m CPM12AA8PG 10 Cable with 8 pole M12 connector on one end open wires on the oth...

Page 20: ...LPPIRG01 20 V2 1 NOTES...

Page 21: ...LPPIRG01 21 V2 1 NOTES...

Page 22: ...LPPIRG01 22 V2 1 NOTES...

Page 23: ......

Page 24: ...ed third parties is excluded from the guarantee The instrument shall be returned FREE OF SHIPMENT CHARGES to your dealer The jurisdiction of Padua applies in any dispute The electrical and electronic...

Page 25: ...e result of the constant development of the product This may produce some differences between the information written in this manual and the instrument you have purchased We cannot completely exclude...

Page 26: ...GHM GROUP Delta OHM Delta Ohm S r l a socio unico Via Marconi 5 35030 Caselle di Selvazzano Padova ITALY Phone 39 049 8977150 Fax 39 049 635596 www deltaohm com info deltaohm com V2 1 10 09 2020...