RY3301 Optical Variable Attenuator
RY3301 handhold optical variable attenuator is used for continuously variable optical signal attenuation. As the attenuator is used in the laser system for the on-line testing, there, thereforeRY-VA3301 can be used in the digital system of communication devices (such as:
PHD, SDH) and also in the system of adopting analog modulation (CATV)
RY3301 handhold optical variable attenuator is used for continuously variable optical signal attenuation. As the attenuator is used in the laser system for the on-line testing, there, therefore RY-VA3301 can be used in the digital system of communication devices (such as:
PHD, SDH) and also in the system of adopting analog modulation (CATV)
Application
Telecom Maintenance
CATV Maintenance
Comprehensive cable construction system
Optical instruments research and development
Optical communication education and lab testing
Other optical project
Features
stepwise attenuating by circumgyrated dial: attenuating step 0.05dB
Provide with the function of displaying dB and dBm attenuating value
Alternative function of 10 minutes Auto-off without operation
After off the instruments, the system will have the memorizing of the attenuating value and the attenuating step, in order to restore the system back to the previous shut down state when open the instruments next time
Technical Data
Model Model A Model B
Attenuation range(dB) 0~30 0~60
Uncertainty +5%
Working temperature -10~60oC
Storage temperature -25~70oC
Auto turn off time(min) 10
Continue working time More than 48 hours
Power Rechargeable Li battery
Because of China’s aviation regulations, our product does not include the battery, Battery is very cheap, please to buy yourself store, thank you for your understanding and support
Noted: The buyer in Brazil / Argentina, Must be provided the CNPJ (CPF) /VAT No. when order to us; For Russian
buyers, should be offer The Full Name of consignee
We accept online payment in Aliexpress
If there is any import duties or taxes,it is the buyer’s responsibility.
Please make payment within 5 days after you place your order.
SHIPPING & DELIVERY
We will ship out the unit to you by EMS or FedEx or DHLorTNTorUPS or CHINA POST, It will decided by seller according to your location.(Russian CustomersOnly for EMS Service )
We will ship out the unit to the Express company first, it will take about 2-3 days, and then express company will deal with the package, so you can check the tracking number online after about 4 days. Please note this.
CONTACT US
Welcome!! Please read ALL POLICIES of us before your purchase.
If you have additional questions or concerns about this item, please contact us via email or trademanager. We will response the most E-mail within 24 hours.
RETURN POLICY
If the item is defective, please notify us within 7 days after the receipt of the item.
The item shall be return in its original condition, in order to get it refunded or replaced
Notice:
Because of air shipping regulation, it is not allowed to ship liquid or something like that, so the coupling agent will not be sent. You can use butter or slica gel to replace.
When to measure flow rate, you must use coupling agent, otherwise no signal or inaccuracy.
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Name | Rating | Feedback |
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Shipping Company | Shipping Cost | Estimated Delivery Time |
---|---|---|
3 - 7 days | ||
3 - 7 days | ||
5 - 14 days | ||
Post Air Mail | Free Shipping | 15 - 45 days |
Return Policy | If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller. N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion. |
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Seller Service | On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe). |
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