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Full tested and good working
This frame expands the AQ2140 optical multimeter to support external units. It can hold up to four channels for the AQ2140 optical multimeter, including sensor units, OPM, or light source units.
A maximum of four expansion frames can be connected to the AQ2140 control unit.
A single AQ2140 optical multimeter can be connected to up to four AQ2141 optical multimeter expansion frames, providing up to 16 external channels
The AQ2141 can also be used as a multi-channel light sources by itself. (It does not support ATT function or 1 kHz or 2 kHz chopped light)
1. All values are in USD. Customs duties & taxes and other surcharges are not included in rates.
2. Payment must be received within 7 days from the close of sale.
3. The Buyer has to pay for the amount of the item, Freights, packing and handling fees.
4. We accept the following methods of payment: Paypal Payment/ Wire Transfer/Cash.
1. We ship all items using our FedEx account.
2. Will ship worldwide. Will ship out within 2 days upon payment received.
3. Freights has to be on Buyer except for the items already including the freights.
Warranty (30 days) & Return Policy
1. Return policy for the item can't power on, can't pass self-test or not as described as what
the item listing is.
2. During the warranty date, the buyer can return the item or ask for exchanging the item if
something's wrong with the item or buyer is unsatisfied with the item, (we are not promise
that we will exchange for all items, it depends on if we have the goods in stock), the back
freight is on buyer, re-shipped frieght is on seller.
3. The return item has to be the original packing and the item with the cover sheet.
4. Returning an item we do not refund shipping/handling or bank fees. You are responsible for
returning the item and paying for return shipping.
5. Type of refund depends on paid, will complete within five working days after we receive the