



Feature:
APPLICATIONS
Dimension | 253×168×73.6mm 1.5kg (battery included) |
Display | 7 inch TFT-LCD with LED backlight |
Interface | 3×USB port (USB 2.0, Type A USB×2, Type B USB×1) |
Power Supply | 10V(dc), 100V(ac) to 240V(ac), 50~60Hz |
Battery | 7.4V(dc)/4.4Ah lithium battery (with air traffic certification) Operating time: 12 hours, Telcordia GR-196-CORE Charging time: <4 hours (power off) |
Power Saving | Backlight off: Disable/1 to 99 minutes Auto shutdown: Disable/1 to 99 minutes |
Data Storage | Internal memory: 4GB (about 40,000 groups of curves) |
Language | User selectable (English, Simplified Chinese, traditional Chinese, French, Korean, Russian, Spanish and Portuguese-contact us for availability of others) |
Environmental Conditions | Operating temperature and humidity: -10ºC~+50ºC, ≤95% (non-condensation) Storage temperature and humidity: -20ºC~+75ºC, ≤95% (non-condensation) Proof: IP65 (IEC60529) |
Accessories | Standard: Main unit, power adapter, Lithium battery, FC adapter, USB cord, User guide, carrying case Optional: SC/ST/LC adapter, Bare fiber adapter |
Technical parameter
Type | Testing Wavelength (MM: ±20nm, SM: ±10nm) | Dynamic Range (dB) | Event Dead-zone (m) | Attenuation Dead-zone (m) |
JW3302F-S1 | 1310/1550 | 32/30 | 1 | 8/8 |
JW3302F-S2 | 1310/1550 | 37/35 | 1 | 8/8 |
JW3302F-S3 | 1310/1550 | 42/40 | 0.8 | 8/8 |
JW3302F-S4 | 1310/1550 | 45/42 | 0.8 | 8/8 |
JW3302F-T1 | 1310/1490/1550 | 30/28/28 | 1.5 | 8/8/8 |
JW3302F-T2 | 1310/1550/1625 | 30/28/28 | 1.5 | 8/8/8 |
JW3302F-T3 | 1310/1490/1550 | 37/36/36 | 0.8 | 8/8/8 |
JW3302F-T4 | 1310/1550/1625 | 37/36/36 | 0.8 | 8/8/8 |
JW3302F-SM1 | 850/1300/1310/1550 | 26/28/32/30 | 1.5 | 8/8/8/8 |
JW3302F-SM2 | 850/1300/1310/1550 | 26/28/37/35 | 0.8 | 8/8/8/8 |
Pulse Width | Single mode: 5ns, 10ns, 20ns, 50ns, 100ns, 200ns, 500ns, 1μs, 2μs, 5μs, 10μs, 20μs |
Testing Distance | Single mode: 100m, 500m, 2km, 5km, 10km, 20km, 40km, 80km, 120km, 160km, 240km |
Sampling Resolution | Minimum 5cm |
Sampling Point | Maximum 128,000 points |
Linearity | ≤0.05dB/dB |
scale Indication | X axis: 4m~70m/div, Y axis: Minimum 0.09dB/div |
Distance Resolution | 0.01m |
Distance Accuracy | ±(1m+measuring distance×3×10-5+sampling resolution) (excluding IOR uncertainty) |
Reflectance Accuracy | Single mode: ±2dB, multi-mode: ±4dB |
IOR Setting | 1.4000~1.7000, 0.0001 step |
Units | Km, miles, feet |
OTDR Trace Format | Telcordia universal, SOR, issue 2 (SR-4731) OTDR: User selectable automatic or manual set-up |
Testing Modes | Visual fault locator: Visible red light for fiber identification and troubleshooting Light source: Stabilized Light Source (CW, 270Hz, 1kHz, 2kHz output) |
Fiber Event Analysis | -Reflective and non-reflective events: 0.01 to 1.99dB (0.01dB steps) -Reflective: 0.01 to 32dB (0.01dB steps) -Fiber end/break: 3 to 20dB (1dB steps) |
Other Functions | Real time sweep: 1Hz Averaging modes: Timed (1 to 3600 sec.) Live Fiber detect: Verifies presence communication light in optical fiber Trace overlay and comparison |


Wavelength Range (±20nm) | 800~1700nm |
Calibrated Wavelength | Calibrated Wavelength |
Test Range | Type A: -65~+5dBm (standard); Type B: -40~+23dBm (optional) |
Resolution | 0.01dB |
Accuracy | ±0.35dB±1nW |
Modulation Identification | 270/1k/2kHz,Pinput≥-40dBm |
Connector | FC/UPC |
LS Module (Laser Source):
Working Wavelength (±20nm) | 1310/1550/1625nm |
Output Power | Adjustable -25~0dBm |
Accuracy | ±0.5dB |
Connector | FC/UPC |
VFL Module (Visual Fault Locator):
Wavelength (±20nm) | 650nm |
Power | 10mw,CLASSIII B |
Range | 12km |
Connector | FC/UPC |
Launching Mode | CW/2Hz |



Frequently Asked Questions (FAQ)
Who Are We?
We are Jiangsu Dierite Optoelectronics Technology Co., Ltd., a high-tech joint venture established in 2001, located in Shandong, China. Our products are distributed across various markets, including:- Domestic Market: 42%
- South Asia: 18%
- South America: 15%
- Southeast Asia: 12%
- Eastern Europe: 10%
- North America: 3%
Our team consists of approximately 101-200 dedicated professionals.
How Can We Guarantee Quality?
We are committed to maintaining the highest quality standards through:- Providing a pre-production sample for approval before mass production.
- Conducting a thorough final inspection of all products prior to shipment.
What Products Can You Purchase From Us?
We offer a wide range of fiber optic products, including:- Fiber Optic Products
- FTTH Products
- PLC Splitters
- Fiber Optic Patch Cords
- WDM Series
- FTTH Boxes
- Fast Connectors
- Fiber Switches
Why Choose Us Over Other Suppliers?
At Jiangsu Dierite Optoelectronics Technology Co., Ltd., we specialize in the development, manufacturing, and marketing of passive optical components and photoelectric transmission equipment. Our commitment to innovation, quality, and customer satisfaction sets us apart from other suppliers in the industry.What Services Do We Provide?
We offer flexible services to meet your needs, including:- Delivery Terms: FOB, CFR
- Accepted Payment Currencies: USD, EUR, JPY, CAD, AUD, HKD, GBP, CNY, CHF
- Accepted Payment Methods: T/T, L/C, D/P, D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash, Escrow
- Languages Supported: [Please specify the languages you support]