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Related Manuals for METREL A 1378
Summary of Contents for METREL A 1378
- Page 1 PV Remote Unit A 1378 Instruction manual Version 2.1, Code no. 20 752 010...
- Page 2 (European Union) concerning safety and electromagnetic compatibility regulations © 2013 METREL The trade names Metrel, Smartec, Eurotest, Autosequence are trademarks registered or pending in Europe and other countries. No part of this publication may be reproduced or utilized in any form or by any means...
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Page 3: Table Of Contents
A 1378 PV Remote Unit Table of contents Table of contents Preface ........................4 Safety and operational considerations ..............5 Warnings and notes ..................5 Battery and charging ..................5 Standards applied ..................... 7 ... -
Page 4: Preface
A 1378 PV Remote Unit Preface 1 Preface The PV Remote unit is a professional hand-held accessory intended to perform temperature and solar irradiance measurements. PV modules and connection terminals for measuring are often not on the same location. For examples PV modules are on the roof and connection terminals are at the inverter inside the building. -
Page 5: Safety And Operational Considerations
2.1 Warnings and notes In order to maintain a high level of accuracy while carrying out various tests and measurements, Metrel recommends keeping your Remote unit in good condition and undamaged. When using the instrument, consider the following general warnings: symbol on the instrument means »Read the Instruction manual... - Page 6 (more than 6 months). In this case Metrel recommends to repeat the charge / discharge cycle at least 2-4 times. If no improvement is achieved after several charge / discharge cycles, then each ...
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Page 7: Standards Applied
MI 1378 PV Remote Unit Safety and operational considerations 2.3 Standards applied The unit is manufactured and tested in accordance with the following regulations: Electromagnetic compatibility (EMC) EN 61326 Electrical equipment for measurement, control and laboratory use – EMC requirements Class B (Hand-held equipment used in controlled EM environments) Safety (LVD) EN 61010-1... -
Page 8: Instrument Description
MI 1378 PV Remote Unit Instrument description 3 Instrument description 3.1 Front panel Figure 3-1: Front panel Legend: 1 LCD 128 x 64 dots matrix display with backlight. 2 TEST Starts / stops measurements. 3 UP/ DOWN Modifies selected parameter. 4 Function selectors Selects test function 5 HELP... -
Page 9: Connector Panel
A 1378 PV Remote Unit Instrument description 3.2 Connector panel Figure 3-2: Connector panel (picture of MI 3125B) Legend: Input 1 Input for measuring Irradiance Input 2 Input for measuring Cell temperature Input 3 Input for measuring Ambient temperature Connection to the measuring instrument... -
Page 10: Back Side
A 1378 PV Remote Unit Instrument description 3.3 Back side Figure 3-3: Back side Legend: Side belt Battery compartment cover Fixing screw for battery compartment cover Back panel information label Holder for inclined position of the instrument Figure 3-4: Battery compartment... -
Page 11: Battery Indication
A 1378 PV Remote Unit Instrument description 3.4 Battery indication The indication indicates the charge condition of battery and connection of external charger. Battery capacity indication. Low battery. Battery is too weak to guarantee correct result. Replace or recharge the battery cells. -
Page 12: Measuring Probes
A 1378 PV Remote Unit Instrument description Figure 3-6: Contrast adjustment menu Keys for contrast adjustment: DOWN Reduces contrast. Increases contrast. TEST Accepts new contrast. Function selectors Exits without changes. 3.8 Measuring probes List of compatible measuring probes is available on request from your distributor. -
Page 13: Instrument Operation
A 1378 PV Remote Unit Instrument operation 4 Instrument operation 4.1 Function selection For selecting main functions the FUNCTION SELECTOR shall be used. Keys: Select function: FUNCTION <SOLAR> Measurements SELECTOR <SETTINGS> Instrument settings. 4.2 Settings In the SETTINGS menu language can be selected, memory can be cleared and Irradiance sensor can be configured. -
Page 14: Clear Memory
A 1378 PV Remote Unit Instrument operation 4.2.2 Clear memory In this menu data logs can be cleared. Figure 4-3: Clear memory screens Keys: UP / DOWN Selects option. TEST Confirms memory clear. Returns to setting menu without memory clear. -
Page 15: Measurements
A 1378 PV Remote Unit Measurements 5 Measurements The following environmental measurements can be performed with the Remote unit: Solar irradiance Cell temperature Ambient temperature Temperature and solar irradiance must be measured: for calculation of nominal PV values at standard conditions. - Page 16 A 1378 PV Remote Unit Measurements Displayed results for environmental parameters: Irr………………...solar irradiance Tcell…………….cell temperature Tamb……………ambient temperature Note: If PV Remote unit is connected with the instrument the measured data are sent to the instrument. For more information about this feature refer to MI 3108 / MI...
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Page 17: Saving Of Results And Synchronization With The Instrument
A 1378 PV Remote Unit Saving of results 6 Saving of results and synchronization with the instrument The measured results and time of measurement are automatically stored into the PV Remote unit’s memory. After the measurement the stored results can be synchronized with results in the instrument MI 3108 / MI 3109 that were measured at the same time. -
Page 18: Upgrading The Instrument
A 1378 PV Remote Unit Upgrading the instrument 7 Upgrading the instrument The instrument can be upgraded from a PC via the RS232 communication port. This enables to keep the instrument up to date even if the standards or regulations change. -
Page 19: Maintenance
A 1378 PV Remote Unit Maintenance 8 Maintenance Unauthorized persons are not allowed to open the PV Remote unit. There are no user replaceable components inside the instrument, except the battery under rear cover. 8.1 Cleaning No special maintenance is required for the housing. To clean the surface of the instrument use a soft cloth slightly moistened with soapy water or alcohol. -
Page 20: Technical Specifications
A 1378 PV Remote Unit Technical specifications 9 Technical specifications 9.1 Irradiance Probe A 1399 Measuring range Resolution (W/m Accuracy 0 999 W/m (5 % + 5 digits) 1.00 1.75 kW/m 5 % Measuring principle: Pyranometer Operation conditions: Working temperature range .... - Page 21 A 1378 PV Remote Unit Technical specifications RS232 Baud rate ......9600 Number of memorized results: > 3000, circular buffer In case the instrument gets moistened, the results could be impaired. In such case, it is recommended to dry the instrument and accessories for at least 24 hours.
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