| Product Type | 4-in-1 Optical Fiber Cable Tester |
| Model | Y3 Mini Handheld |
| Main Functions | Optical Power Meter, Visual Fault Locator (VFL), Network Cable Tester (RJ45), LED Flashlight |
| Power Measurement Range | -70 ~ +6 dBm / -70 ~ +10 dBm / -50 ~ +26 dBm |
| Wavelength Range | 800 – 1700 nm |
| Calibrated Wavelengths | 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625 nm |
| Wavelength Memory | Remembers last wavelength setting after shutdown |
| Red Light (VFL) Wavelength | 650 nm |
| VFL Output Power | >5 mW / >15 mW |
| Display Resolution | Linear: 0.1%; Logarithmic: 0.01 dBm |
| Accuracy | ±0.2 dB |
| Frequency Recognition | 0 Hz, 270 Hz, 1000 Hz, 2000 Hz |
| Auto Power Off | 10 minutes |
| Battery Type | Built-in lithium polymer battery / 2 x AAA batteries (supports USB power) |
| Charging Time | 3 hours (fast charge) |
| Working Time | Up to 60 hours (power meter mode) |
| Standby Time | Up to 90 days |
| Battery Endurance | >48 hours |
| Input Voltage | 3 – 6 V |
| Device Dimensions | 118 × 68 × 30 mm |
| Weight | 140 g |
| LED Flashlight | Yes |
| Reference Setting | Yes (REF button) |
| Factory Reset | Yes (UNIT + REF button) |
| Unit Adjustment | dBm/dB switching and fine adjustment (±0.05dB) |
| Connector Type | Universal for ST/SC/FC (2.5mm interface) |
| Application | Fiber optic installation, maintenance, troubleshooting |
| Display | Large, backlit LCD |
| Operating Temperature | -10°C ~ +50°C (typical for handheld testers) |
| Storage Temperature | -20°C ~ +70°C (typical for handheld testers) |
| Certification | ISO 9001:2015 (manufacturer standard) |
Y3 Mini Handheld 4-in-1 Optical Fiber Cable Tester with VFL, Network and Power Meter
4-in-1 MultiFunction: Optical power meter, VFL (Visual Fault Locator), network cable tester, and an LED flashlight.
Wide Measurement Range: There are 3 ranges of power (-70~+6, -70~+10 and -50~+26 dBm) for different testing needs.
9 Selectable Wavelengths: Our device can also measure fibers at 850, 980, 1270, 1300, 1310, 1490, 1550, 1577 and 1625nm, covering 90% of fiber in the environments they are used in.
Wavelength Memory Function: Automatically remembers the last wavelength selected even after the unit has been powered off.
High Accuracy: With ±0.2 dB accuracy and 0.01dBm resolution, every small increment built into the decimal will be accounted for during testing.
Frequency Recognizing Capabilities: Determines the transmission frequency of the fiber (0Hz, 270Hz, 1000Hz, 2000Hz).
Strong VFL Output: Provides over 5mW or over 15mW of red light at 650nm for easy detection of fiber breaks.
Long Battery Life: Has a built-in lithium battery which provides up to 60 hours of power usage and 90 days standby time with a fast charge of 3 hours.
Auto Shutoff: Automatically powers down after 10 minutes of inactivity.
User-friendly Design: Compact size (118×68×30mm), lightweight (140g), and easy user controls for efficient field operation.
Rugged and Portable: Designed with a high degree of rugged durability, ensuring reliability for outdoor and on-site work.
Universal Power Source: Uses a built-in lithium battery, AAA batteries or external USB power bank/full charger.
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