Description
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Comprehensive measurements of photovoltaic installations
A set of measuring instruments with accessories. The set includes:
- PVM-1020 photovoltaic meter,
- IRM-1 solar radiation and temperature meter,
- MRU-10 earth resistance meter.
Capabilities
- PVM-1020 | It can be used for category 1 measurements according to IEC 62446-1.
- PVM-1020 | It converts measured parameters into STC conditions according to IEC 60891 by cooperation with the IRM-1 solar radiation and temperature meter.
- IRM-1 | Measurement of solar radiation and temperature.
- IRM-1 | The LoRa interface for communication with a master meter – offers a larger range than the Bluetooth technology!
- MRU-10 | Earthing resistance measurements of photovoltaic installations using the 3-pole method.
PVM-1020
Photovoltaic meter
Features
- It can be used for category 1 measurements according to IEC 62446-1.
- AUTO mode for performing a sequence of measurements after one press of the START button.
- It converts measured parameters into STC conditions according to IEC 60891 by cooperation with the IRM-1 solar radiation and temperature meter.
- reSYNC function – automatic completion of results with environmental parameters and their conversion to STC conditions after restoring connection with IRM-1.
- The built-in LoRa radio interface ensures cooperation with the IRM-1 meter over long distances.
- Built-in Bluetooth module for communication with a computer.
- Large measurement memory: 100 objects with 40 cells each.
- Backlit display and buttons.
Measured parameters
- The open circuit voltage of the PV panel or a chain of panels, up to 1000 V DC.
- RMS voltage of the AC network up to 600 V with frequency measurement.
- Short circuit current of a PV panel or chain of panels – up to 20 A DC.
- Insulation resistance of PV panels – measuring voltage of 250, 500 or 1000 V, simultaneous measurement of two values: RISO+ and RISO-.
- Insulation resistance of AC circuits – measuring voltage 250, 500 or 1000 V.
- Resistance of protective conductors and equipotential bonding with ± 200 mA current. Low-current resistance measurement, audible and visual signalling.
- Measurement of PV panels operating current and AC current – all with external clamp.
- AC/DC power Measurement.
- Diode test with 200 mA current, automatic polarity detection. Test of blocking diodes with 1000V DC voltage.
IRM-1
Solar radiation and temperature meter
Features
- Measurement of solar radiation and temperature.
- The LoRa interface for communication with a master meter – offers a larger range than the Bluetooth technology!
- Automatic data synchronization with a master meter with reSYNC function.
- Built-in compass and inclination sensor.
- Built-in recorder that can be used to record solar radiation before constructing PV systems, as well as to measure the shading of existing systems.
- Large measurement memory: 999 cache memory cells and 5000 recorder records available (one-time recording) with the option of overwriting them (continuous recording).
Measured parameters
- Solar radiation intensity (irradiance) in W/m2 or BTU/ft2h.
- PV panel temperature in °C or °F.
- Ambient temperature in °C or °F.
- Inclination angle of panels
- Orientation of the panels with the built-in compass.
MRU-10
Earth resistance meter
Earthing resistance measurements
- 3-pole method – measurement of earthing systems using auxiliary probes.
- 2-pole method.
Features
- Resistance of auxiliary electrodes RH and RS.
- Measurement of interference voltage to 100 V.
- Indication of battery state.
- Selection of maximum measuring voltage (25 V and 50 V).
- Auto-OFF function.