# JW3302T Optical Time Domain Reflectometer OTDR

The JW3302T OTDR adopts a 5.6-inch capacitive full touch  screen  and  integrates wavelength  division optical power meters, OPM, optical power meters, and automatic.Dynamic OTDR, Expert OTDR, event map,   terminal   status   verification,   stable   light source,   RJ45  cable  tracking,   red   light  source, multi\-core.Testing,  file   management,  and  intell igent diagnosis support: 1:32/1:64 splitter testing, end face inspection, loss, system Settings, and eight language switching functions are integrated. OTDR has a maximum dynamic range of 45dB and can achieve  up  to  180  kilometers  or  more.  Precise testing on. It supports up to four wavelengths of 1310/1550/850/1300nm with light test wavelengths of  1310/1550/1625nm. The  minimum event  blind zone is 0.8m and the maximum sampling resolution is 2.5cm. The OTDR is equipped with a 5200mAh high\-density     large\-capacity     polymer     lithium battery, featuring intelligent power\-saving manage ment  and  powered/charged  by  a  mobile  power bank. The JW3302T can be used to measure para meters  such  as  the  length,  loss  and  connection quality  of various  optical fibers  and  cables.  It  is widely applied in the engineering construction, line maintenance and emergency rescue tests of FTTH, metropolitan  area  networks  and secondary  back bone network communication systems, as well as in the   research   and   production   measurement   of optical fibers and cables.

![](https://cdn.shopify.com/s/files/1/0758/0362/3703/files/DFT2025112901_d4a826f8-7eb4-4d23-9c29-f68fae40847b.png?v=1764412757)

1\. Maximum dynamic range of 45dB, 256k data Sampling point

2.Automatic monitoring function of communication lights

3.Supports eight languages and SOR file format.  Professional OTDR:                 measurement, curve, list

4\. The map is displayed simultaneously

5\. A light source that supports continuous/ modulated mode output

6\. Automatic OTDR: One\-click testing, no complex Settings required

7 .Intelligent diagnosis support: 1:32/1:64 splitter testing

**Function Introduction**

![](https://cdn.shopify.com/s/files/1/0758/0362/3703/files/DFT2025112904_85b0b4e2-2243-4283-9f7c-5854fc4d1ebe.png?v=1764416494)

**Technical** **Speci****fi****cations** **Table**

Parameter

JW3302T

Dimensions

177mm×109mm×37mm Excluding soft rubber protection

Weight

0.8kg (with battery)

Operating Wavelength (nm)

1310/1550

1310/1550/1625

1310/1550/850/1300

1310/1550/1625/1650

Maximum Dynamic Range (dB)

32/30

37/36/37

37/36/28/26

37/35

40/38

4   4   4

42/40

  

45/43

Event Dead Zone

0.8m

Attenuation Dead Zone

5m

Accuracy (m)

±(0.75m + distance×0.0025% + sampling interval) Excluding refractive index error

Resolution (m)

0.025, 0.05, 0.1, 0.2, 0.5, 1, 2, 4, 8, 16, 32

Distance Range (km)

0.5, 1, 2, 4, 8, 16, 32, 60, 120, 240km

Pulse Width (ns)

5, 10, 30, 80, 160, 320, 640, 1280, 5120, 10240, 20480

Maximum Sampling Points

256k

Linearity (dB/dB)

0.03

Loss Resolution (dB)

0.001

Refractive Index Setting Range

1.00000~1.99999(Step: 0.00001)

Distance Units

Kilometer, Meter, Kilofoot, Foot

Display

5.6" TFT Color LCD (Capacitive Touchscreen)

Optical Output Port

FC/UPC (Standard), SC/UPC (Optional)

Language

Simplified Chinese, English. Additional languages upon request

External Ports

USB Type C, Micro SD

Power Supply

AC/DC Adapter: Input: AC100V~240V, 50/60Hz

Output: DC12V/2A

Internal Li\-ion Battery: 3.7V, 5200mAh

Battery Life

≥8 hours (High brightness standby)

Environmental Compliance

Operating Temp: 0℃~+40℃ (Charging: 5℃~40℃)

Storage Temp: -20℃~+60℃

Humidity: 5%~95% (Non\-condensing)

**Standard** **Con****fi****guration** **Table**

No

Item

Remarks

1

JW3302T OTDR

Built\-in Li\-ion battery

2

Power Cable

Assembly

Input: AC100V~240V, 50/60Hz

Output: DC5V/2A

3

Memory Card

16GB with built\-in

analysis software

4

User Manual

5

Certificate of

Conformity

6

Soft Case

![](https://cdn.shopify.com/s/files/1/0758/0362/3703/files/DFT2025112905.png?v=1764416929)

## Details

- **Price:** 0.0 USD
- **Vendor:** DFT TELECOM 
- **Type:** 电脑网络
- **Tags:** dfttelecom, fiberoptic cable, fiberoptic Solutions, ftth

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 0.00 USD | In stock |

## Images

- JW3302T Optical Time Domain Reflectometer OTDR
- JW3302T Optical Time Domain Reflectometer OTDR
- JW3302T Optical Time Domain Reflectometer OTDR

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> Source: [DFT TELECOM ](https://dfttelecom.com/products/jw3302t-optical-time-domain-reflectometer-otdr)
> Updated: 2026-08-28