Warranty & Disclaimer

All product components manufactured by David Kopf Instruments are warranted to be free of defects in materials and workmanship for one year from date of shipment. Other manufacturer’s products used are subject to their warranty.

There are no express warranties except as listed above. Additionally, such warranty becomes null and void because of abuse, disassembly or un-authorized repair of product.

All express and implied warranties, including warranties of merchantability and fitness for a particular purpose, are limited to the applicable warranty period set forth above.

Each and every product designed, manufactured and sold by David Kopf Instruments is intended exclusively for use in animal research and is not under any circumstances intended for use on humans or clinical practice on privately owned animals.

Because our products are intended exclusively for use in animal research, none of the products designed, manufactured or sold by David Kopf Instruments are approved for use on humans by the Federal Drug Administration or any other federal or state agency. It has always been our position that our products are to be used exclusively in animal research. Any use of our products, except as provided in this paragraph, shall immediately terminate any warranty that might otherwise apply.


Quotations and invoices do not include local taxes or tariffs.

David Kopf Instruments will not be responsible for their collection or payment except for non-exempt California sales.

Shipping & Packing

With the exception of very small items, all instruments are packaged in cartons. Adequate padding is used to ensure safe arrival of the equipment at its destination.

Whenever possible, United Parcel Service will be used. Otherwise, air freight or air parcel post will apply unless specified to the contrary. No C.O.D. shipments will be made or accepted without prior authorization. All shipments will be insured and the cost included in the freight charges to the customer unless directed to the contrary.

Products should be inspected upon receipt and checked against the enclosed packing list. Any irregularities must be reported to the Customer Service Department of David Kopf Instruments within 15 days of receipt of order.

The Interstate Commerce Commission has held that the carrier is as responsible for concealed damage as for visible damage in transit. If damage is discovered, cease further unpacking and request immediate inspection by the local agent of the carrier. The request must be made 15 days of receipt, or the carrier will not honor the claim.

DO NOT return damaged goods to the factory without first securing an inspection report.

After damage inspection report has been secured, David Kopf Instruments will cooperate fully in shipping replacements and in handling the claim initiated by either party.


Keep packaging materials and carton in the event the unit needs to be returned to factory for any reason.


Complete service facilities are located at our factory in Tujunga, California. Repairs and modifications are available. Some items could be rendered obsolete by design changes. In this instance, replacement items can generally be substituted.

Quotations will be given upon receipt and examination of goods. All returned items must include proper documentation, with name, address and telephone number of user.

Returned Goods

To apply for credit or exchange, goods must be received WITHIN 30 DAYS of shipment and certified to be new and unused. All shipping costs and a 25% restocking fee may be charged. All items must be carefully packed in the manner in which they were originally shipped. Any damage costs incurred in their return will be charged to the customer. Special items and custom designed items will not be accepted for return or credit.

When returning, contact David Kopf Instruments for authorization. Please include your order number and our order number on all returns and correspondence. Ship parcels prepaid. We are unable to accept C.O.D. shipments.

Important Notice for Returned Goods

Due to increasing possibility of pathogenic contamination carried by instruments used in animal research procedures. IT IS IMPERATIVE THAT ALL INSTRUMENTS returned to David Kopf Instruments, for any reason, be cleaned prior to shipment.

It must be the responsibility of the user to properly clean all instruments prior to returning them to Kopf for any reason. We ask that all loose glass particles be removed carefully from the unit. This policy is necessary to protect the technicians and staff who work with returned instruments and to ensure their safety and health.


Prices are per the current price list and are subject to change without notice.

Special items will be quoted upon request. Low-volume items will be treated as specials.

Minimum Order – $50 (U.S.)

Terms of Sales – F.O.B. Tujunga, California USA

Terms of Payment

Net to established institutions. We reserve the right to hold orders pending payment of overdue accounts or to require payment in advance.

Form of Payment

U.S. currency only. Check; wire transfer, Visa and MasterCard accepted.