Specification:
Model: ET273
Display: 3.2-inch HD screen
Solar Voltage Measurement: 3~90.00V (±1.5%+5)
Solar Current Measurement: 0~40.00A (±1.5%+5)
Solar MPPT Power Measurement: 0~2000W (±1%+5)
Sampling Point: 1000 Digit Group
Voltage Curve Display: Color/Green
Current Curve Display: Color/Blue
Power Curve Display: Color/Red
Data Record Capacity: 100 records
Interface: DB9
Protection Functions: Over Voltage, Over Current, Reverse Polarity, Over Temperature
Battery: 1500mAh Rechargeable Lithium Battery

Model: ET275
Display: 3.2-inch HD screen (240x320)
Includes Multimeter Functions:
High DC Voltage: 2000V (±0.8%+0.8)
High AC Voltage: 2000V (±1.5%+0.5)
DC Voltage: 600.00mV~1000V (±0.5%+0.3)
AC Voltage: 600.00V~750V (±0.8%+0.5)
Resistance Measurement: 600.00Ω~60MΩ (±1%+0.6)
Capacitance Measurement: 6.000nF~60mF (±2.0%+0.6)
Frequency Measurement: 6.000Hz~6MHz (±1%+0.1)
Continuity: <10Ω
Diode Test

General Functions (both models):
Auto Power Off
Low Battery Detection
Operating Temperature: 0~40°C
Storage Environment Temperature: -10~50°C

Features:
1.Advanced Solar Performance Testing: Accurately measure solar voltage (up to 90V), current (up to 40A), and MPPT power (up to 2000W) to optimize solar energy efficiency for residential and industrial applications.
2.Intuitive Display Design: Equipped with a 3.2-inch HD screen with clear, color-coded curves (voltage/green, current/blue, power/red) for comprehensive data visibility in real-time.
3.Powerful Multimeter Functions (ET275 Only): Offers high precision testing for DC/AC voltage, resistance, capacitance, frequency, diode testing, and continuity, meeting a wide range of electrical diagnostics.
4.Comprehensive Safety Protections: Includes over-voltage, over-current, reverse polarity, and temperature protection, ensuring reliable operation in complex testing environments.
5.Portable Design with Rechargeable Battery: Features a compact design with a 1500mAh rechargeable lithium battery and a carrying case for convenient usage and portability during field testing.

Package Included:
ET273:
1 x Solar MPPT Tester
1 x Solar Test Clip
1 x Type-C Charging Cable
1 x Carrying Bag
1 x Manual


ET275:
1 x Solar MPPT Tester Multimeter
1 x Solar Test Clip
2 x Multimeter Probes
1 x Type-C Charging Cable
1 x Carrying Bag
1 x Manual