Seaward PV:1525-IV PV Test Instrument (1500VDC, 25ADC, IV Curve)

Open-Circuit Voltage and Voltage Measurement (PV Terminals)

Display range:

+10.0 VDC … +1500 VDC / –10.0 VDC … –440 VDC

10.0 VAC … 440 VAC

Measuring range:

+10.0 VDC … +1500 VDC / –10.0 VDC … –440 VDC

10.0 VAC … 440 VAC

Resolution: 0.1 V maximum

Accuracy:

for +DC: ± (0.5% + 2 digits)

for –DC and AC: ± (5% + 2 digits)

Short-Circuit Current Measurement (PV Terminals)

Display range: 0.00 ADC … 25.00 ADC

Measuring range: 0.50 ADC … 25.00 ADC

Maximum power: 37.5 kW

Resolution: 0.01 A maximum

Accuracy: ± (1% + 2 digits)

Maximum Power – String Test

String test maximum power rating:

37.5 kW* at panel efficiency ≤ 19%

25 kW* at panel efficiency > 19%

Voltage: up to 1500 VDC

Current: up to 25 ADC

IV Curve

Minimum number of test points: 20

IV curve maximum power rating:

37.5 kW* at panel efficiency ≤ 19%

20 kW* at panel efficiency > 19%

Voltage: up to 1500 VDC

Current: up to 25 ADC

Earth Continuity / Resistance Measurement

Test voltage open-circuit: 4 VDC nominal

Test current into 2 Ω: 200 mA

Display range: 0.00 Ω … 199 Ω

Measuring range (IEC 61557-4): 0.05 Ω … 199 Ω

Resolution: 0.01 Ω maximum

Accuracy:

0.05 Ω … 0.09 Ω ± (2% + 1 digit)

0.10 Ω … 0.19 Ω ± (2% + 2 digits)

0.20 Ω … 1.99 Ω ± (2% + 3 digits)

2.0 Ω … 4.9 Ω  ± (2% + 2 digits)

5.0 Ω … 199 Ω  ± (2% + 5 digits)

Test leads zero: Zero up to 10 Ω

Visible warning: ≥ 30 VAC or VDC at inputs

Circuit protection: Test inhibited if ≥ 30 VAC or VDC at inputs

Insulation Resistance Measurement

Test voltage open-circuit: 250 V, 500 V, 1000 V, 1500 V (as per IEC 61557-2)

Test voltage specification: –0% to +20% (open-circuit)

Test current short-circuit: < 2 mA

Test voltage at 1 mA: 1 mA into Un × (1000 Ω/V) (as per IEC 61557-2)

Display range: 0.05 MΩ … 999 MΩ

Measuring range (IEC 61557-2): 250 V / 500 V string mode: 0.05 MΩ … 200 MΩ

1 kV / 1.5 kV string mode: 0.05 MΩ … 999 MΩ

250 V point to point: 0.05 MΩ … 300 MΩ

500 V point to point: 0.05 MΩ … 500 MΩ

1 kV / 1.5 kV point to point: 0.05 MΩ … 999 MΩ

Resistance resolution:

0.01 MΩ for 0.05 MΩ … 1.99 MΩ

0.1 MΩ for 2.0 MΩ … 19.9 MΩ

1 MΩ for 20 MΩ … 999 MΩ

Resistance accuracy:

±(5% + 1 digit) for 0.05 MΩ … 0.19 MΩ

±(5% + 3 digit) for 0.20 MΩ … 1.99 MΩ

±(5% + 2 digit) for 2.0 MΩ … 5.0 MΩ

±(5% + 5 digit) for 5.1 MΩ … 99 MΩ

±(10% + 5 digit) for > 99 MΩ

Insulation voltage resolution: 1 V

Insulation voltage accuracy: ±(2% + 2 counts)

Maximum system capacitance: 2 µF

Visible warning: ≥ 30 VAC or VDC at inputs

Datasheet