SISCO solar MPPT meter measures key parameters including maximum power, voltage, current, open-circuit voltage, and short-circuit current, helping technicians identify the Maximum Power Point (MPP) of a solar panel. Compatible with MC4 connections, it is well suited for solar installers, photovoltaic maintenance technicians, electrical contractors, and renewable energy professionals in the USA and other markets.

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SISCO solar panel testers are used to evaluate the performance and efficiency of photovoltaic (PV) panels and solar systems. They are widely used in the solar energy, electrical, renewable energy industry and manufacturing. The are also applied in manufacturing and quality control, construction projects, and research institutions to evaluate panel performance, ensure system safety, and verify product quality.
| Model | SISCO-SPT-LD673PV | SISCO-SPT-LD673PV+ |
| Technical Specifications | ||
| Maximum Power | 1000 W | 2000 W |
| Maximum Voltage | 12–80 V | 12–150 V |
| Maximum Current | 35 A | 45 A |
| Open-Circuit Voltage | 12–80 V | 12–150 V |
| Short-Circuit Current | 35 A | 45 A |
| Display | 3.2-inch Large Screen | 3.2-inch Large Screen |
| Manual / Automatic Measurement | ✓ | ✓ |
| Buzzer Alert | ✓ | ✓ |
| Backlight | ✓ | ✓ |
| Auto Power-Off | ✓ | ✓ |
| Low Battery Indicator | ✓ | ✓ |
| Data Hold | ✓ | ✓ |
| Reverse Input Protection | ✓ | ✓ |
| Power Supply | AAA 1.5V × 3 | AAA 1.5V × 3 |
| Product Dimensions | 143 × 76 × 32 mm | 143 × 76 × 32 mm |
| Product Weight | 390 g | 460 g |
| Certifications | CE / EMC / RoHS | CE / EMC / RoHS |
| Standard Accessories | ||
| MC4 Test Leads | Dedicated MC4 test leads | |
| Batteries | 2.7 V batteries × 3 | |
| User Manual | Included | |
| Carrying Case | Included | |
| Probe Tools | 2 sets | |
| Test Clip | 1 set | |
Q1: What is a solar panel tester?
A1: A solar panel tester is a device used to evaluate the performance and functionality of solar panels. It measures various parameters to indicate the health and efficiency of the solar panel to ensure that it is working properly and providing the expected power output. The solar panel tester is an essential tool for solar panel installers, maintenance technicians and those involved in the solar industry.
Q2: How to use a solar panel tester?
A2: To use a solar panel tester, follow these steps:
Q3: Can a solar panel tester detect all types of problems?
A3: A solar panel tester can identify issues related to voltage, current, and power output but might not detect all types of problems, such as internal panel damage. For comprehensive diagnostics, additional testing or professional inspection might be needed.
Tips: What is a solar MPPT meter?
Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.
SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.