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AVR Electronics Private Limited

Ganga Nagar, Bengaluru, Karnataka

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PV Installation Testers



Photovoltaic installations are becoming more and more popular,While the costs of components are decreasing and their performance is significantly booming up, the Photovoltaic installations are very common either on buildings’ roofs or installed on the ground. The problems involved in the installation of Photovoltaic systems, however, are to be solved in terms of safety, testing and maintenance requiring specific solutions. 

PV Installation Testers
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SOLAR200 is an innovative instrument designed for carrying out electrical safety verifications on photovoltaic systems in compliance with the relevant safety requirements. The instrument is very easy to use and has a wide range of functions which can be selected by means of the simple multi-language menu. Measurements can be started both by pressing the button located on the instrument body and by pressing the button located on the remote probe (optional accessory PR400) which makes carrying out more measurements in sequence very simple. The help on line, which can be selected by the user and is active for any function, is a valid support for the connection of the instrument to the system to be tested. SOLAR200 is provided with an internal memory and an optical/USB interface for PC connection and for transferring measured data, which can be analysed with the dedicated software.

Function:

  • Continuity of protective conductors with 200mA
  • Insulation with test voltages of 50, 100, 250, 500, 1000VDC
  • Tripping time of RCDs type A, AC, general and selective, up to 500mA
  • Tripping current of RCDs type A, AC, general and selective, up to 500mA
  • Impedance of Loop/Line P-N, P-P, P-PE
  • Impedance of Loop/Line P-N, P-P, P-PE with high resolution (with optional accessory IMP57)
  • Global earth resistance with no RCD tripping
  • Contact voltage
  • Phase sequence
  • Activation of measurements (with optional remote probe PR400)
  • Saving of results
  • Recalling results on the display
  • Optical/USB interface for PC connection
  • Help on line on the display

 

Specifications:

Display

LCD custom, backlit

Power supply

6x1.5V alkaline bat. type AA IEC LR06

Internal memory

500 locations

PC interface

optoisolated optical connector

Safety

IEC/EN61010-1

Insulation

double insulation

Pollution degree

2

Measurement category

CAT III 240V (to earth), CAT III 415V (between inputs)

Reference standards

IEC/EN61557-1

Dimensions

235x165x75mm

Weight (bat. included)

approx. 1.25kg



Additional Information:

  • Item Code: SOLAR200

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PV Installation Testers
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SOLAR300N allows carrying out all tests required for the verification of the efficiency of single-phase and three-phase photovoltaic systems. Testing photovoltaic systems requires contemporarily measuring environmental parameters (incident irradiation of modules, temperature of environment and modules) and electric parameters (continuous power, alternating power, etc.).

Typically, modules and inverter can be positioned even at several tens of meters of distance, thus forcing the operator to carry out measurements in different places far from each other at the same time. To carry out these operations, connections by means of long cables or (wireless) radio connections could be necessary, but both these solutions are not acceptable. Cables could hamper the operator’s movements or be a hindrance, while radio waves would be attenuated by floors, reinforced concrete or metal structures, thus making communication impossible.

In order to avoid the above-mentioned problems and to carry out measurements with the necessary contemporaneity, SOLAR300N is provided with a remote unit, synchronized with the main unit. The remote unit is positioned next to the photovoltaic modules and it is connected to the probes for measuring environmental parameters (irradiation and temperature). SOLAR300N is connected upstream and downstream of the inverter in order to acquire the electric parameters (continuous power and alternating power). The synchronization between the two units guarantees the necessary contemporaneity of measurements, the two separate and independent units make measurements comfortable and safe.

SOLAR300N is also a powerful instrument for the complete analysis of mains quality in compliance with standard EN50160 (harmonic analysis, analysis of voltage anomalies, Flicker, unbalance, etc.). The management software TopView also provides the possibility of creating professional reports, which can be customized by adding the company’s logo, the customer’s data, comments, etc.


Function:

  • DC/AC TRMS (single-phase and three-phase) current measurement
  • DC/AC (single-phase and three-phase) power measurement
  • AC (single-phase and three-phase) energy measurement
  • DC Measurement of power factor (cosphi) single-phase and three-phase
  • Measurement of solar irradiation [W/m2]
  • Measurement of temperature by means of probe PT1000
  • Recording of voltage and current harmonics up to the 49° order
  • Recording of voltage anomalies (dips, peaks)
  • Flicker analysis in compliance with standard EN50160
  • Recording of starting currents with a resolution of 10ms
  • Recording of voltage fast transients (spikes) with a resolution of 5us
  • Complete analysis of mains quality in compliance with standard EN50160
  • Numerical and graphical display of each quantity
  • Recalling results on the display
  • TFT colour display with touch screen
  • Power supply with rechargeable Li-ION battery
  • Memory extension by means of compact flash (CF card)
  • Data transfer to external USB memory (memory stick)
  • USB port for PC connection
  • Help on line at display


Additional Information:

  • Item Code: SOLAR300N

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Single Phase Photovoltaic Installation Tester
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SOLAR I-V has been designed to meet any requirement of photovoltaic installation specialists. Further to providing the possibility of measuring and recording the efficiency of single-string and single-phase photovoltaic systems, SOLAR I-V also measures the I-V characteristic both of a single module and of module strings.Thanks to SOLAR I-V, the operator can test the photovoltaic system and, should it give a negative result, immediately identify the problems of the system in order to promptly solve them. SOLAR I-V is provided with the remote unit SOLAR-02 which permits the remote measuring of irradiation and temperature with preliminary automatic synchronization between main unit and remote unit. SOLAR-02 is positioned next to the photovoltaic modules and it is connected to the probes for measuring environmental parameters.

The synchronization between the two units guarantees the necessary contemporaneity of measurements. In the case of PV efficiency recordings, this grants the right efficiency calculation. For I-V curve measurements, the synchronization permits to extrapolate the I-V curve at STC without using long extension cords cable. SOLAR I-V allows carrying out efficiency recordings over time with programmable integration period from 5 seconds to 60 minutes. Each value is automatically saved in the internal memory and can be downloaded onto the PC for subsequent analyses. The measured I-V characteristic is not affected by the resistance of the measurement cables, as the measurement is carried out with the 4-terminal measuring method. SOLAR I-V also manages a database of photovoltaic modules, which can be updated at any time. The measured values, correctly reported at standard test conditions, are immediately compared with the values declared by the manufacturer to give the OK / NO result of the test.


Specifications:

Display

LCD custom, 128x128pxl, backlit

Power supply

6x1.5V alkaline bat. type AA LR06

Auto power off

after 5 minutes in stand-by

PV testing duration

1.5 hours (@IP=5s); 8 days (@IP=10min)

Curves which can be saved

> 200 curves

PC interface

optoisolated optical/USB port

Safety

IEC/EN61010-1

Measuring accessory safety

IEC/EN61010-031, IEC/EN61010-032

Measures on PV modules

IEC/EN60891, IEC/EN62446

Insulation

double insulation

Pollution degree

2

Measurement category

CAT II 1000V DC, CAT III 300V (to earth) Max 1000V between inputs

Dimensions

235x165x75mm

Weight (batteries included)

1.3kg



Additional Information:

  • Item Code: SOLAR-I-V

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Single Phase & Three Phase Multi String System Tester
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The innovative accessory MPP 300, used together with SOLAR 300N or SOLAR I-V, allows measuring and recording the main parameters which characterize single-phase and three-phase, single-string and multi-string (up to three strings) photovoltaic systems. MPP 300 is perfect for use in systems with three-MPPT three-phase inverter and in three-phase systems provided with three single-phase inverters. MPP 300 is provided with a practical anti-shock “field” case, lightweight and small in size. The front panel carries the LEDs for operating information and the DC and AC inputs for upstream and downstream connection of the inverter(s). MPP 300 interfaces with SOLAR 300N via USB connection and SOLAR I-V via wireless connection. SOLAR 300N and SOLAR I-V are used for MPP 300 settings, to start/ stop recording electrical and environmental parameters and to enable the download of the recorded values.

The distance between the photovoltaic modules and the inverter is often considerable, and this forces the operator to carry out measurements in different places at the same time. Therefore, it would be necessary to lay long connection cables between the environmental probes and the instrument. These cables could hamper the operator’s movements, be a hindrance, etc. This kind of connection is therefore not acceptable. In case of photovoltaic installations on buildings, the so-called photovoltaic roofs, in addition to the problem of the distance between modules and inverter, the presence of floors, of reinforced concrete or metal structures, etc. must be taken into consideration. These structures would make a possible (wireless) radio connection between the environmental probes and the instrument impossible, because of signal attenuation. In order to avoid the above-mentioned problems and to carry out measurements with the necessary contemporaneity, MPP 300 is synchronized with the remote unit SOLAR-02 (provided as standard accessory of master instrument SOLAR 300N or SOLAR I-V).

The remote unit SOLAR-02 is positioned next to the photovoltaic modules and it is connected to the probes for measuring environmental parameters (irradiation and temperature). MPP 300 is connected upstream and downstream of the inverter in order to acquire the electric parameters (continuous power and alternating power). The synchronization between the two units guarantees the necessary contemporaneity of measurements, the two separate and independent units make measurements comfortable and safe. The master instrument SOLAR 300N or SOLAR I-V is only used in the initial and final phase of recording, and it does not play any active role while recording electrical and environmental parameters. Therefore, while MPP300 and SOLAR-02 respectively record the electrical and environmental parameters of the system being measured, it is possible to use the master instrument SOLAR300N or SOLAR I-V for carrying out other measurements. For example, with SOLAR I-V it is possible to measure the I-V characteristics of strings and modules.


Function:

  • DC/AC TRMS voltage meas. (single-phase and three-phase)
  • DC/AC TRMS current meas. (single-phase and three-phase)
  • DC/AC power measurement (single-phase and three-phase)
  • 11Power factor measurement (single-phase and three-phase)
  • Simultaneous measurements up to 3 strings (max 3 MPPT)
  • Connection with master unit SOLAR 300N and SOLAR I-V
  • Power supply with rechargeable Li-ION battery
  • LED operating indications
  • USB port for connection to unit SOLAR 300N
  • RF connection for connection to SOLAR-02 and SOLAR I-V
  • Internal memory for saving recordings


Additional Information:

  • Item Code: MPP-300

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I V Curve Test of Photovoltaic Strings & Modules
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I V Curve Test Of Photovoltaic Strings and ModulesI-V 400 is the ideal solution for the ordinary and scheduled maintenance of photovoltaic systems. With I-V 400, searching for possible failures and problems in systems is extremely rapid, efficient and intuitive. I-V 400 carries out the field measurement of the I-V characteristic and of the main characteristic parameters both of a single module and of module strings. The instrument measures, together with the I-V characteristic of the device being tested, also the values of its temperature and incident irradiation.

The acquired data are then processed to extrapolate the I-V characteristic at standard test conditions (STC) in order to proceed with the comparison with the nominal data declared by the modules’ manufacturer, thus immediately determining whether or not the string or the module being tested respects the characteristics declared by the manufacturer. Output current or voltage from the module or string is measured with the 4-terminal method, which allows extending the measurement cables without requiring any compensation for their resistance, thus always providing accurate and precise measures.

In its internal memory, I-V 400 manages a database of photovoltaic modules, which can be updated at any time both via the management software and directly on the instrument. Together with the measurement of the I-V characteristic and the extrapolation of the characteristic at standard test conditions, I-V 400 compares the obtained values with the values declared by the manufacturer, immediately providing the OK / NO result of the test. The operator must not do any calculation, nor any difficult operation. The instrument carries out the comparison rapidly and automatically

Function:

  • Measurement of output voltage from module/string up to 1000V DC
  • Measurement of output current from module/string up to 10A DC
  • Measurement of solar irradiation [W/m2] with reference cell
  • Measurement of temperature, automatic or by means of probe PT1000
  • Measurement of output DC and nominal power from module/string
  • Numerical and graphical display of I-V characteristic
  • Measurement of the resistance of photovoltaic module series
  • Mechanical inclinometer for incidence angle of solar irradiation
  • 4-terminal measuring method
  • Comparison with standard conditions (STC 1000 W/m2, 25C)
  • Evaluation of testing result: OK / NO
  • Management of up to 30 types of modules in the internal database
  • Internal memory for data saving
  • Recalling results on the display
  • Optical/USB port for PC connection
  • Help on line on the display


Additional Information:

  • Item Code: I-V-400

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AVR Electronics Private LimitedUnit II, 15, 7th Cross, 5th Main, Near CBI Office, Ganga Nagar, Bengaluru-560032, Karnataka, India

Vijay S. Hubli (Director)

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