Description

Manufacturer: Agilent

Model: 53131A

Condition: Used. Comes in non-original packaging. This came to us with a "REPAIR" note, and the power button wouldn't rebound when pressed, and there was rattly plastic noise from inside. We opened the case and a bunch of tiny bits of plastic fell out, which were broken-off parts of internal clips to hold the cover around the periphery of the front panel. We found the front panel circuit board was loose, having been pushed past/off its little plastic clips on top and bottom. Some of those clips look worn-down now, but we pushed pretty firmly, and the front panel board stays in place, so we are confident it will continue to work. One side of the rear panel bracket is cracked. There are also minor scuffs/scratches/residues here and there from prior use. There are no feet, bumpers, rack mounting tabs, or handles included in this sale.
The photos show the exact item(s) the buyer will receive.

Notes: This counter is in good working condition as far as we can test. Both channels gave good measurements from 10Hz (the limit of our generator) to over 225MHz. We were able to make ratio, timing, and voltage measurements without difficulty. Power-on and Utility Menu self-tests all give a PASS result. The display is bright and clear on all segments, and all indicators light up. The fan is very quiet but there is also a small 60Hz hum from inside. We are not able to test IEEE-488 or RS-232 interfaces.
No manuals, cords/cables, or additional items are included if not listed or shown.

Included:

(1) Agilent 53131A Universal Counter

Specifications:

Manufacturer: Agilent Technologies
Mode: 53131A Universal Counter
Frequency Range: DC to 225MHz
10 digits per second, 500ps time interval resolution
1-button measurements
With HPIB & RS-232 communications

Tested, working unit. Has minor internal cosmetic blemishes, see photos

CDN Systems LLC, DBA Doug Deals, is not an authorized distributor or affiliated with the manufacturer of this product. Original manufacturer's warranty does not apply.

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Warranty Information

Easy 30-Day Free Returns

Items can be returned for any reason within 30 days of delivery.
To initiate a return, the buyer must notify Dougdeals in writing within this period.
Dougdeals will cover return shipping costs and process a full refund, including the original shipping charges, within two business days of receiving the returned item.

Return Authorization Requirements

Returns must be authorized by Dougdeals and include an assigned RMA (Return Merchandise Authorization) number.
Dougdeals will arrange return shipping and provide a return label to the buyer.
Authorized returns must be received by Dougdeals within 21 days of authorization.

Exclusions and Limitations

Dougdeals may provide a replacement or substitute item instead of a refund at its discretion.
Returned items must be in the same condition as when sent and include all components.
There is no restocking fee, but Dougdeals reserves the right to deduct costs from the refund for altered or damaged items.
This return policy does not apply to orders shipped internationally, to U.S. territories, Alaska, or Hawaii.

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Damages occurring during transit via Dougdeals-arranged third-party services or Dougdeals employee delivery must be noted in writing on the delivery receipt at the time of delivery. Failure to do so will result in the buyer assuming responsibility for damage claims.
Dougdeals is not liable for loss or damage during transit via buyer-arranged shipping services.
Customs, duties, taxes, and brokerage fees for international shipments are the buyer's responsibility.

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