Corelink CW-3302H 100KM Mini OTDR

Corelink CW-3302H 100KM Mini OTDR - Detailed Description
Corelink CW-3302H Mini OTDR – Optical Fiber Test Equipment for FTTH & LAN
The Corelink CW-3302H Mini OTDR is a compact, high-performance optical fiber test equipment designed to provide accurate measurements over long distances (up to 100km). It efficiently detects fiber faults, splice losses, and fiber breaks, making it ideal for field testing in FTTH, FTTB, and telecommunication applications. The tool features a touchscreen interface, multiple test modes, high dynamic range, and long battery life for extended operation.


Key Features

· 100km Range for long-distance fiber testing

· Mini & Portable design for easy field use

· High-Precision Fault Detection for breaks and splice losses

· Touchscreen Display with clear data visualization

· Auto & Manual Modes for flexible testing

· Rugged Build for harsh environments

· Long Battery Backup up to 10 hour

Technical Specifications
Testing Range: Up to 100km

Wavelengths: 1310nm / 1550nm dual wavelength

Dynamic Range: ≥ 32dB (1310nm), ≥ 30dB (1550nm)

Event Dead Zone: ≤ 1m

Attenuation Dead Zone: ≤ 4m

Measurement Accuracy: ±(1m + 0.005% x distance)

Display: High-resolution color touchscreen

Connectivity: USB port for data transfer and software updates

Power Supply: Rechargeable lithium battery (up to 10 hours)

Weight: Approx. 1.5kg – lightweight and portable

Applications

FTTH / FTTB installations and maintenance

Testing fiber optic networks in telecom and data centers

Detecting faults, breaks, and losses in fiber optic cables

Verifying splices and connections during deployments

Troubleshooting fiber network performance issues

Technical Specification:

Dynamic Range

20dB

Test Range

100m~ 100km

Wavelength

ZS1000-A：1550/1310(±20nm）double wave
ZS1000-B:1550/(±20nm）single wave

OTDR/OLS Connector

SC

Pulse Width

5ns~ 20µs

Measurement Time

5s~180s

Measurement Mode

Real time, Average, Automatic

Attenuation Dead Zone

12m

Event Dead Zone

＜3m

Sampling Point

8000

Input Light Detection

Support

Maximum allowable power for light testing
(Only ZS1000-B single-wave support)

1277nm <10dBm 1310nm <10dBm
1490nm <10dBm 1577nm < 10dBm

iOLA

Only the ZS1000-A support

OPM power range

-50~26dBm

OPM response wavelength

700nm~1700nm

OPM calibration wavelength

850nm、1300nm 1310nm、1490nm、1550nm、1625nm

OPM power uncertainty

±0.2dB

VFL

I0mW

LCD

3.5-inch high-definition touch screen

Type-C Cable

Type－Cxl

Self-calibration

Support

LED Light

Support

Expandable external storage

USB (Temporary storage)

Working Temperature

0 ℃~50 ℃

Storage Temperature

-20 ℃~ 70 ℃

Relative Humidity

＜90%

Size(H*W*D)

117mmx70mmx33mm

Weight

About 217g


FAQ Section
Q1: What is the test range of the Corelink CW-3302H?
It supports testing fiber optic links up to 100km, making it ideal for FTTH and long-distance routes.

Q2: Does it support dual wavelength?
Yes, it supports 1310nm and 1550nm dual wavelengths for accurate fiber analysis.

Q3: How long does the battery last?
The rechargeable lithium battery lasts up to 10 hours on a full charge.

Q4: Can I export data to a computer?
Yes, the OTDR supports USB external storage for exporting measurement data.

Q5: Is it suitable for ISP fiber maintenance?
Absolutely. It’s designed for FTTH, FTTB, PON, ISP core networks, and telecom fiber maintenance.