header-product Insulation Resistance Tester AZO UT503PV for Solar Cell Strings 125–1000V CAT II / 1000V CAT III / 600V
413.49 €

Insulation Resistance Tester AZO UT503PV for Solar Cell Strings 125–1000V CAT II / 1000V CAT III / 600V

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Insulation Resistance Tester AZO UT503PV for Solar Cell Strings 125–1000V CAT II / 1000V CAT III / 600V

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Insulation Resistance Tester AZO UT503PV for Solar Cell Strings 125–1000V CAT II / 1000V CAT III / 600V

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Short description

Handheld insulation resistance tester AZO UT503PV designed for testing insulation of solar cell strings and PV installations. Measures across a voltage range of 125–1000 V with category ratings CAT II 1000 V, CAT III 600 V. Suitable for verifying insulation integrity, fault localization and routine maintenance of photovoltaic systems and electrical equipment.
Available for order: 3 pcs.
Warranty: 2 Years
SKU: 12034417
Manufacturer: AZO
delivery
to the Customer Service Center at Kengaraga 2b, Riga
01.07.2026 {{selectedOffer.officeDeliveryString}}
free
Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
01.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
06.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
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Latvijas Pasts pakomāts / Unisend / DPD Paku skapis / Omniva / Venipak Pickup / Venipak Locker / Latvijas Pasts nodaļa
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From 1.99 €
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36 months installment: from 11.49 euros per month
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Product information

Description

The AZO UT503PV insulation resistance tester is a handheld instrument designed for testing insulation in solar cell strings and photovoltaic installations. It performs insulation resistance measurements across a selectable voltage range from 125 V to 1000 V, allowing technicians to verify insulation integrity, identify leakage paths, and support routine maintenance of PV arrays and related electrical equipment. The meter’s safety category ratings support use in common PV system contexts and electrical environments.

Advantages

The tester provides a wide test voltage span for flexible measurement of insulation resistance on different segments of PV strings. Its handheld form factor enables on-site portability and straightforward operation by a single technician. The instrument is built with safety in mind and is rated for use in environments that require CAT II and CAT III protection levels, ensuring compatibility with typical photovoltaic system voltages. Measurement clarity and reliable resistance readings make it suitable for diagnostic and verification tasks.

Suitable for

  • Testing insulation resistance of solar cell strings and PV modules
  • Periodic maintenance and insulation integrity checks of photovoltaic systems
  • Fault localization and detection of leakage currents in PV arrays
  • Verification of insulation after installation or repair work

Key specifications

  • Test voltage range: 125–1000 V (selectable)
  • Measurement function: insulation resistance testing for photovoltaic applications
  • Safety ratings: CAT II at 1000 V, CAT III at 600 V
  • Form factor: handheld, portable design for field use
  • Intended application: solar cell strings, PV installations and associated electrical equipment

How to use

Before testing, ensure the PV string or equipment is de-energized according to safety procedures and isolate the circuit. Select an appropriate test voltage within the 125–1000 V range based on the system under test and manufacturer recommendations. Connect the tester’s leads to the conductors and grounding points as required, observing correct polarity and secure connections. Initiate the measurement and observe the insulation resistance reading; compare the value to the applicable safety or installation thresholds. After testing, discharge any stored energy in the system and restore the circuit following safety protocols.

Usage recommendations

Use appropriate personal protective equipment and follow local safety standards when working on photovoltaic systems. Choose a test voltage that is representative of the operating conditions but within the device’s and system’s safe limits. Record measurements for trend analysis and to support maintenance records.

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Customer reviews

Customer questions

FAQ

How much does the Insulation Tester AZO UT503PV 125–1000V cost, and is it available for purchase?

The price is 413.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 01.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Insulation Tester AZO UT503PV 125–1000V be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Insulation Tester AZO UT503PV 125–1000V online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All AZO products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized AZO service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.