The Seaward PV:1525 is a robust hand-held measuring device for installers and maintenance technicians to carry out electrical safety tests and power measurements on photovoltaic systems quickly, safely and in accordance with standards. Typical applications include commissioning, maintenance and troubleshooting on PV strings in private and commercial installations. An intuitive interface with a color display, illuminated function keys and guided navigation speeds up the test procedures. Measurement data can be stored internally and conveniently transferred to the PV:Sync mobile app via Bluetooth; OTA updates keep the device automatically up-to-date.
The PV:1525 measures open-circuit voltage (Voc) up to 1,500 V DC, short-circuit current (Isc) up to 25 A DC, performs insulation resistance and protective conductor continuity tests and supports optional accessory sensors (PV:1500 Clamp, SS:200LR Irradiance Meter) for extended power and irradiance measurements.
Technical product features:
- Measurement functions (PV connections): Voc/voltage +10.0 ... +1500 V DC; -10.0 ... -440 V DC; 10.0 ... 440 V AC - resolution up to 0.1 V, accuracy up to ±0.5 % ± 2 digits (for +DC).
- Short-circuit current (Isc): 0.50 ... 25.00 A DC - resolution 0.01 A, accuracy ±1 % ± 2 digit; max. rated power 37.5 kW.
- Insulation resistance: Test range 250/500/1,000/1.500 V; measuring ranges up to 999 MΩ (mode-dependent); resolution up to 0.01 MΩ; accuracy up to ±5 % (range-dependent).
- Protective conductor continuity: Test current > 200 mA at 2 Ω; measuring range 0.05 ... 199 Ω; resolution 0.01 Ω.
- Power measurement: with PV connections and wireless current clamp up to 600 kW (resolution 0.01 kW).
- Safety features: Visual warning from ≥ 30 V AC/DC at the inputs; test stop from ≥ 30 V; compliant with IEC 61557-2/-4, among others.
- Display & operation: 3.5″ color display (480 × 320 px) with backlight; illuminated function keys; manual diagnostic mode; guided tests.
- Memory & app: Internal memory for approx. 1000 data records; Bluetooth® LE for PV:Sync Mobile (iOS/Android) incl. over-the-air firmware updates.
- Wireless interfaces: Bluetooth LE (2.402 ... 2.480 GHz); additional RF long-range (433 MHz) e.g. for SS:200LR.
- Power supply: 11.55 V / 2930 mAh Li-Ion battery (rechargeable); automatic switch-off configurable.
- Dimensions & Weight: 265 × 115 × 78 mm; approx. 1.0 kg.
- Environment: Operation +5 ... +40 °C; storage -25 ... +65 °C (dry, without battery); max. altitude 2000 m.
- Protection & EMC: IEC 61010-1 CAT III / 1500 V; protection class II; housing protection IP40; EMC according to IEC 61326-1.
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