UT503PV PV Insulation Tester
UT503PV PV insulation resistance tester has the function of measuring photovoltaic live insulation resistance, ordinary insulation resistance function (non-live), AC and DC voltage automatic recognition measurement and so on
Product Details
UT503PV PV insulation resistance tester has the function of measuring photovoltaic live insulation resistance, ordinary insulation resistance function (non-live), AC and DC voltage automatic recognition measurement and so on
Features
Certifications (UT503PV series only): CE, cETLus
● High output voltage: DC 1000V
● Energized device test: DC 1000V
● Insulation resistance (PV+IR): 4000MΩ
● Voltage measurement: 1000V DC & 600V AC
● Auto discharge
● Stepping voltage
● Time measurement
● Compare function (IR)
● High voltage alarm
● Data communication: USB cable + Bluetooth app
● LR6 AA alkaline Batteries: 6 pc
● Portable & Convenient
FAQ
Q: What is UNI-T UT503PV used for?
A: It is a professional PV insulation megohmmeter, mainly for solar panel, PV array, energy storage system insulation resistance test and electrical safety inspection.
Q: Can I test live PV systems?
A: Yes, it supports live PV insulation test up to DC 1000V, no need to power off the solar system.
Q: What test voltages are available?
A: PV mode: 500V /1000V; standard insulation mode: 125V,250V,500V,1000V.
Q: Does it support data export?
A: Yes. It can save 1000 groups data, transfer via Bluetooth App or Type‑C USB to PC for analysis and report.
Q: What safety protection does it have?
A: It has automatic discharge, high voltage sound-light alarm, IP54 protection and CAT II 1000V / CAT III 600V overvoltage rating.
Q: Is it suitable for outdoor PV site work?
A: Yes, IP54 dust and water resistance, rechargeable lithium battery and backlit screen fit
Specifications
Specifications | |||
Output voltage | Insulation resistance | PV insulation resistance | Accuracy |
125V | <1.51MΩ | N/A | For reference only |
1.51MΩ~100.0MΩ | ±(1.5%+5) | ||
100.1MΩ~1000MΩ | ±(5%+6) | ||
250V | <1.51MΩ | N/A | For reference only |
1.51MΩ~200.0MΩ | ±(1.5%+5) | ||
200.1MΩ~2000MΩ | ±(5%+6) | ||
500V | <1.51MΩ | <1.51MΩ | For reference only |
1.51MΩ~1000MΩ | 1.51MΩ~1000MΩ | ±(1.5%+5) | |
1001MΩ~4000MΩ | 1001MΩ~4000MΩ | ±(5%+6) | |
1000V | <1.51MΩ | <1.51MΩ | For reference only |
1.51MΩ~1000MΩ | 1.51MΩ~1000MΩ | ±(1.5%+5) | |
1001MΩ~4000MΩ | 1001MΩ~4000MΩ | ±(5%+6) | |
Voltage measurement | DC Voltage | 5～1000V dc | ±（1%+4） |
AC Voltage | 5～600V ac | ±（1%+4） | |
Short circuit current | IR measurement | <1.5mA | |
PV IR measurement | <1.2mA | ||
Continue measuremenet(IR) | √(default setting) | Compare function(IR) | √ |
Time measurement | √ | Stepping voltage | √ |
Auto discharge | √ | High voltage alarm | √ |
Energized device test | IR measurement: DO NOT test if the energized device voltage is above 25V | ||
PV IR measurement: the energized device voltage should under DC 1000V | |||
Backlight | Auto & Manual backlight; auto power off in 30s | ||
Data storage | 1000 set | ||
Data Communication | transmission via USB cable | ||
transmission via Bluetooth app | |||
IP | IP54(with cap closed) | ||
CAT rating | CAT II 1000V, CAT III 600V | ||
Certificates | CE, UKCA | ||
General Features | |||
Product Color | Red + grey | ||
Product Weight(include batteries) | About 0.5KG (including battery) | ||
Product Size | 161(L)×117.3(D)×63(H)mm | ||
Accessories | 1. Manual: 1pcs | ||
Standard package | case + carton | ||
SPQ | 2 | ||
Package Size | 360×230×290mm | ||
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