Sper Scientific Support

Sper Scientific Support

To return or exchange an item, please contact our Customer Support at 480.348.0278 or email support@sperdirect.com to be issued an RGA# (Return Goods Authorization). Items returned without an RGA# will not be processed and will be returned to the originating address.

Claims for items that were received damaged or defective must be made within 14 days of the invoice date. If you are not satisfied with a product you may return it within 30 days of the invoice date for replacement or a refund, minus the cost of Shipping and Certification (if applicable).

To avoid a restocking fee, returned items must be in new condition and include the original packaging, instructions, and accessories. When we replace an item, we also cover the cost of shipping the replacement to you. Please see your warranty for problems that occur after 30 days. The warranty period of each product is stated on the product page of the site.

Sper Scientific warrants this product against defects in materials and workmanship for the stated period (each product's warranty period is list on it's product page, and inside the instruction manual) from the date of purchase, and agrees to repair or replace any defective unit without charge. If your model has since been discontinued, an equivalent Sper Scientific product will be substituted, if available. This warranty does not cover probes, batteries, battery leakage, or damage resulting from accident, tampering, misuse, or abuse of the product. Opening the meter to expose its electronics will void the warranty.

To obtain warranty service, please contact our Customer Support at 480.348.0278 or email support@sperdirect.com to be issued an RGA #. Items returned without an RGA # will not be processed, and will be returned to the originating address.

Please register your product online within 30 days of purchase at: 

To learn more about Sper Scientific Warranties, please see our warranty page.

Product Manuals

User Manuals for most Sper Scientific products are available for download here.

Product Videos

Product demonstration and instructional videos for many Sper Scientific products may be viewed here.

Please locate your specific product on our website, open the downloads tab on the product page, and then click on the software download link. 

Note: Some software may not be directly available to download as it must be purchased first. If you find that the software you need is not available on the product page, please contact our Customer Support at 480.948.4448 or email support@sperdirect.com for further assistance.

Frequently Asked Questions

Hours of Operation
Online ordering is available 24-7. Customer Service is available Monday-Friday, 8:00 a.m.-4:00 p.m. Arizona Time.

Note: We fill all our online orders Monday-Friday 8:00 a.m.-2:00 p.m. If you order is placed after 1:00 p.m. Monday-Thursday your order will be filled the following business day. Orders placed after 1:00 p.m. on Friday, and through the weekend will be filled the following Monday.

Product Availability & Backorders
Most items are in stock. If "BACKORDER" appears under the item's image during checkout, it is out of stock and you will not be billed until your order ships.

Types of Payment
We accept VISA, MasterCard, American Express and Discover. You may also pay by check, money order, PayPal, COD or Telex Transfer ($25).
If paying by money order/check, your order will ship once your payment clears the bank. Send payment and a copy of your order invoice to:

Sper Scientific Accounts Receivable
8281 E. Evans Rd., Suite #103
Scottsdale, AZ 85260

Delivery & Shipping
For orders shipped via UPS, we will send you automated tracking information. Sper Scientific has no control over in-transit carrier delays. However, if an unusual delay occurs, contact us at 480.348.0278 or support@sperdirect.com and we will work with the carrier on your behalf. We reserve the right to use alternate carriers.

Request a Catalog
Our new 80 page, full-color catalog is available for download or mailing here.

Purchase Orders & Business Accounts

On Domestic Orders Only
Net 30 terms may be available for your company/organization. If you are interested in setting up a business account with Sper Direct, please fax (480.348.0279) or email (orders@sperdirect.com) the following:

  • Three Business References
  • Banking Information
  • Contact Information
  • Purchase Order #

We will ship your order as soon as the references clear. If additional information is needed, we will contact you. Once approved, future orders may also be faxed or emailed.

International Orders
International orders that are billed or shipped to an address that is outside of the USA (excluding Canada) must be paid by Telex Transfer. During checkout, select "Telex Transfer" as your method of payment. Shipping rates are automatically calculated but do not include customs clearance, the $40 Telex Transfer fee, or any fees charged by your own bank. In accordance with Government regulations and carrier policies, duties, taxes, and brokerage fees may be billed to the customer by the carrier. Depending on your location, duties/taxes may be Substantial. After you place your order, we will email you with our banking information. For information on International Orders, contact support@sperdirect.com.

Technical Support
Many answers are found in the downloadable instruction manuals or demonstration videos available for reference on each product page. Please email support@sperdirect.com if you have additional questions.