Seaward PV:1525-IV ເຄື່ອງມືທົດສອບ PV (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
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ