Grass Instruments 7P1G Low-Level DC Pre Amplifier & Polygraph 7DAG Driver

Sparta Medical & Laboratory Surplus
(5769)
Seller's other items
Contact seller
US $100.00
or Best Offer
as low as $34.11/mo with
Condition:
Used
“Very Good Working Condition”

Additional service available

Breathe easy. Free returns.
People are checking this out. 2 have added this to their watchlist.
Pickup:
Shipping:
US $14.99 FedEx Ground / FedEx Home Delivery®.
Located in: Sparta, Tennessee, United States
Delivery:
Estimated between Thu, Dec 11 and Tue, Dec 16 to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days returns. Seller pays for return shipping.
Payments:
       .
Earn up to 5x points when you use your eBay Mastercard®. Learn moreabout earning points with eBay Mastercard

Shop with confidence

Top Rated Plus
Top rated seller, fast shipping, and free returns. Learn more- Top Rated Plus - opens in a new window or tab
eBay Money Back Guarantee
Get the item you ordered or your money back. Learn moreeBay Money Back Guarantee - opens new window or tab
Seller assumes all responsibility for this listing.
eBay item number:384338276649
Last updated on Nov 17, 2025 11:39:08 PSTView all revisionsView all revisions

Item specifics

Condition
Used
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. See all condition definitionsopens in a new window or tab
Seller Notes
“Very Good Working Condition”
Country of Origin
United States
Model
7DAG, 7P1G
Modified Item
No
Custom Bundle
No
California Prop 65 Warning
unknown
Type
Polygraph D.C. Driver Amplifier, Low Level D.C. Pre-Amplifier
Expiration Date
na
MPN
7DAG
Brand
Grass Instruments
Intended Use/Discipline
Biological Laboratory
Category

Item description from the seller

About this seller

Sparta Medical & Laboratory Surplus

100% positive feedback•19K items sold

Joined Jul 2008
Welcome to the Surplus Management LLC Sparta Medical & Laboratory eBay Store! Here we offer a wide variety of laboratory and medical equipment! Please add me to your list of favorite sellers and visit ...
See more
Visit storeContact

Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
4.8
Shipping speed
5.0
Communication
5.0

Popular categories from this store

See allcategories
Musical Instruments & GearCameras & PhotoComputers/Tablets & NetworkingToys & HobbiesHealth & BeautyBusiness & IndustrialConsumer ElectronicsBabyHome & Garden

Seller feedback (6,093)

All ratingsselected
Positive
Neutral
Negative
  • r***! (383)- Feedback left by buyer.
    Past month
    Verified purchase
    Excellent transaction, item as described. Great communication, fast shipping. Packaged better than how it would have cone from the manufacturer. This could have been dropped from a delivery drone and been totally fine!!! Thanks for the great deal.
    Whip-Mix Model B Dental Hygrobath 8.5"x 4.5"x 3" 100F/38C (#394972684983)
  • 6***4 (17)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Great seller, item as described and at a great price! Item was packaged very well and super fast shipping. Wish this vendor had everything I needed.
    Thermo Scientific Finnigan Focus GC Gas Chromatograph PN: 12550070 (#394367932555)
  • 5***n (974)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Item exactly as described! Fast shipping, very well packed and arrived in immaculate condition! Great communication, very professional eBay seller!! AAAAA+++++
    Titmus 2s Vision Screener w/ 8x Installed Slides & Case PN: 030551 (#388386743764)
See all feedback

More to explore :