Products

Optical Variable Attenuator

Optical Variable Attenuator

The GVA50 optical variable attenuator is designed for optimal flexibility and field usability,the GVA50 delivers the highest performance within handheld optical attenuator on the market, it is an ideal tool for telecom technicians to do the pre-test before the maintenance.

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Among those famous optical variable attenuator manufacturers and suppliers in China, Green Telecom Tech Co.,Ltd can offer you customized ova, fiber variable attenuator, optical digital attenuator made in China. Our factory is waiting for your contact.   Description The GVA50 optical variable attenuator is designed for optimal flexibility and field usability,the GVA50 delivers the highest performance within handheld optical attenuator on the market, it is an ideal tool for telecom technicians to do the pre-test before the maintenance. Features ● Compact and rugged portable design ● Three wavelengths: 1310nm / 1490nm / 1550nm ● Different attenuator range, 40dB, 60dB or 80dB ● Can save current value as reference ● Can save 10 tracks attenuation value ● Memorize the value after instruments shut down ● Energy save mode ● One-year warranty and three-year recommended calibration interval Specification

Optical Variable Attenuator - GVA-50 Parameter

Model

GVA50-40

GVA50-60

GVA50-80

Attenuating Range

40dB(SM)

60dB(SM)

80dB(SM)

Calibrated Wavelengths

1310nm / 1490nm / 1550nm

Fiber Mode

9/125um	

Attenuating Mode

Digital

Display Resolving Power

0.1 dB

Display

LCD, 128*64

Max Input Power

+ 28 dBm

Return Loss*

>40 dB

Insertion Loss*

< 2.5 dB

Optical Connector

FC/PC (or customize other connectors)

Uncertainty

+/- 0.5 dB

Repeatability*

+/- 0.2 dB

Auto Power Off

No operation in 10 minutes (can be canceled), Low battery energy

Battery Charge

Yes

Operate Time

Above 20 hours

Power Supply

3 * AA batteries or AC/DC adapter

Size(HxWxD)

190mm *90mm * 40mm

Weight

About 450g

Storage Temperature

-20  to  +70  ℃ ,<90% RH

Operating Temperature

-10  to  +50  ℃ ,<90% RH

* at 20±3℃, CW, with FC/PC connector,1550nm Standard Package ①GVA-50 main body*1 ②Nylon bag and the Q/C certificate*1 ③Operation Manual*1 ④Paper Box Ordering Information GVA50-XX (1)GVA50-40: Attenuation Range:40dB (2)GVA50-60: Attenuation Range:60dB (3)GVA50-80: Attenuation Range:80dB
Hot Tags: optical variable attenuator, OVA, fiber variable attenuator, optical digital attenuator factory, customized, manufacturers China, suppliers China, made in China, China made

Green Telecom Technology Co.,Ltd

Registered in 1999,Green Telecom is professionally engaged in the integration and service of customized projects of deployment and detection of optical communication network. Green Telecom offers the most comprehensive selection of fiber optic box products to customers in different industries.

Green Telecom owns a factory of 40,000 square meters,with employees over 130 people,to manufacture 1) Telecom Racks and Cabinets 2) Plastic Fiber Termination Boxes 3) Fiber Passive Products 4) Fiber Test Instruments and etc.

 

Get to know GreenTel

With a deep understanding of the communications market, GreenTel is professionally engaged in the integration and service of customized projects of deployment and detection of optical communication network. GreenTel offers the most comprehensive selection of fiber-optic products to customers in different industries. At our core, we are an organization of top technical professionals dedicated to delivering personalized support to help you evaluate your technology options and implement the right communications, infrastructure, and products to achieve your objectives.

It includes

1.The construction passive components of optical communication network.

2.The racks and cabinets of optical communication network.

3.The production testing of optical communication equipments and components.

4.The plastic splice closure and fiber terminawtion equipments of FTTh ODN network With excellent performance versus price ratio, GreenTel has achieved great success in China, and then extended business to the overseas market. So far, we
are offering state-of-the-art and cost effective products and solutions to the global customers in more than 40 countries

The quality we value most

Integrity and quality are two factors we hold in the highest regard, therefore all our services are warrantied for 1 year from the date of service. Fiber work is not always 100% tangible, so trust is essential to the working relationship.

Customized projects

According to the needs of the clients in various fields, GreenTel provides serialized integration and service of customized projects of deployment and detection of optic communication network.

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  • How can I get the samples?

    If we have the stocks of your required fiber optic splice closure product, we can send it out within 1 day, but the freight should be paid by you. the sample is free. if we do not have the stock of your required product, we willdo it for you.

  • If we found some quality problem on your goods before shipment, how should we do?

    if meet quality problem, we will check whether it's our problem or not, if it's our problem, we will re-produce the goods to catch your requirement."

  • How the goods are delivered to us?

    For small quantity, we advise to deliver by courier, like Fedex, UPS, DHL, ect.
    For big quantity, we advise to ship by sea. We can send goods to your Shipping Forwarder(FOB price). Or if you don’t have one, we can quote you CIF price."

  • Can I check the quality of goods before shipment?

    yes, welcome.

  • Are you a direct manufacturer or exporter from China?

    We are a direct manufacturer, we have our own factory, welcome to visit.

  • If I need my own sizes?

    We need to make new moulds for your own size, and this will cause tooling cost but it can be refunded after order qty reach what we required. So normally we would suggest you can use our similar mould size existed."

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