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Metrel MI3108ST Eurotest PV Tester

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MI3108ST
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For performing photovoltaic tests or verifying the safety of electrical equipment, the Metrel MI3108ST Eurotest PV Tester meets compliance requirements for a range of parameters. If working with solar PV installations, the ability to evaluate behaviour through changing temperatures and fluctuating irradiance helps you to get a clear, graphical idea of overall performance between a range of -10 and 85 degrees C. Through the U/I curve presented on the screen, maximum readings of 15kW, 15A or 1000V assists in the detection of sudden changes in the presence of voltage, current and power.

Capable of reading both direct and alternating currents, each side can be evaluated for overall power and energy consumption and voltage levels, while the AC side can further be used for gauging frequency and harmonics. Both forms of current can also be measured together owing to the two dedicated channels included on the device.

Meanwhile, when testing wider electrical installations, the automatic measurement process for RCD saves time, and loop impedance can be calculated without tripping the existing circuit.

To ensure safety when the Metrel MI3108ST Eurotest PV Tester is in use, a custom-designed safety probe is included to create a conscious working environment around installations.

The screen on this Metrel test equipment is backlight, and updates quickly with 1.5% standard accuracy for voltage and current solar PV installation readings.

The main unit of the Metrel MI3108ST Eurotest PV Tester weighs in at 1.3kg, and offers PC connectivity via the RS232 and USB interfaces included. If working remotely, only RS232 is available.

Unlike other electrical testers, the Metrel MI3108ST Eurotest PV Tester can be powered via six rechargeable AA batteries.

Metrel MI3180ST Eurotest PV Tester Key Features

  • PV DC side measurements:
  • Voltage, current, power and energy
  • UOC (open circuit voltage)
  • ISC (short circuit current)
  • I-U curve of PV modules and strings
  • Irradiance
  • Module temperature
  • AC side measurements:
  • Voltage, current, frequency, power, PF, energy, harmonics
  • Efficiency of PV module, inverter and PV system calculation
  • Electrical installation measurements:
  • Insulation resistance
  • Continuity of PE conductors
  • Line impedance
  • Loop impedance
  • RCD testing
  • Earth resistance
  • AC current
  • TRMS voltage
  • Frequency
  • Phase sequence
  • Power, energy and harmonics
  • General
  • Calculation of STC values
  • Efficiency calculations
  • Graphic representation of curve
  • Bult in memory
  • Automated RCD testing
  • Rechargeable batteries

Full List of Products Included

  • Metrel MI3108ST Eurotest PV Tester
  • Soft Carrying Bag
  • Plug Commander
  • 3 x 1.5m Test Leads
  • 3 x Test Probes
  • 3 x Crocodile Clips
  • PV Safety Probe
  • PV MCD/4 Male/Female Adapters
  • AC/DC Current Clamp
  • Pyranometer
  • Temperature Probe
  • Power Supply Adapter + 6 NiMH Batteries (Type AA)
  • USB and RS232 - PS/2 Cable
  • PC SW EuroLink PRO
  • Set of Carrying Straps
  • Short Instruction Manual
  • Instruction Manual and Handbook on CD
  • Calibration Certificate
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Part CodeMI3108ST

Metrel MI3108ST Technical Specifications

PHOTOVOLTAIC INSTALLATION MEASUREMENTS
Function Measuring Range Basic Accuracy
Voltage 0 V DC ... 999 V DC
0 V AC ... 999 V AC
I-V m.: 0 V DC ... 999 V DC
±(1.5 % of reading + 5 digits)
±(1.5 % of reading + 3 digits)
±(2 % of reading + 2 digits)
Current Panel m.: 0.0 mA ... 300 A DC
Invert. m.: 0.0 mA ... 300 A AC
I-V m.: 0.00 A ... 15 A DC
±(1.5 % of reading + 5 digits)
±(1.5 % of reading + 3 digits)
±(2 % of reading + 3 digits)
Power Panel m.: 0 ... 200 kW
I-V m.: 0 ... 15 kW
±(2.5 % of reading + 6 digits)
±(3 % of reading + 5 digits)
Energy 0.000 Wh - 1999 kWh  
U/I Curve 1000 V / 15 A / 15 kW  
Harmonics up to 11th  
Irradiation 0 ... 2000 W/m2 ±(5 % of reading + 5 digits)
Temperature -10 °C ... + 85 °C ± 5 digits
ELECTRICAL INSTALLATION MEASUREMENTS
Function Measuring Range Basic Accuracy
Insulation Resistance (EN61557-2)
 U = 50, 100, 250 VDC:
R: up to 199.9 MΩ
U = 500 VDC, 1 kVDC:
R: up to 999 MΩ
±(5 % of reading + 3 digits)
±(5 % of reading + 3 digits)
Continuity, 200 mA
(EN 61557-4)
0.00 Ω ... 1999 Ω ±(3 % of reading + 3 digits)
Continuity, 7 mA 0.0 Ω ... 1999 Ω ±(5 % of reading + 3 digits)
Loop impedance (EN 61557-3) 0.00 Ω ... 9.99 kΩ ±(5 % of reading + 5 digits)
Line impedance (EN 61557-3) 0.00 Ω ... 9.99 kΩ ±(5 % of reading + 5 digits)
Voltage
0 VAC ... 550 VAC ±(2 % of reading + 2 digits)
Frequency
0.00 Hz ... 499.9 Hz ±(0.2 % of reading + 1 digits)
Phase Sequence 1.2.3 or 3.2.1 
RCD Testing (EN 61557-6) IΔN: 10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1 A
Contact Voltage UC 0.0 V ... 99.9 V (-0 % / +15 %) of reading
Trip Out Time 0 ms ... max. time ±1 ms
Trip-out current 0.2 x IΔN ... 2.2 x IΔN ±0.1 x IΔN
Earth resistance (EN 61557-5) 0.00 Ω ... 9999 Ω ±(5 % of reading + 5 digits)
General Main Unit
Remote Unit
Display 128 x 64 dots matrix display with backlight 
Power Supply 6 x 1.2 V NiMH batteries, type AA 
Overvoltage Category 1000 V DC / CAT II
600 V / CAT III; 300 V / CAT IV
 
Protection Class Double Insulation  
COM Port RS232 and USB RS232
Dimensions 230 x 103 x 115 mm 140 x 230 x 80 mm
Weight 1.3 kg 1.0 kg
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