Collapsible Blocks

General Questions

My meter has problems communicating with the software installed on my computer (applicable models w/ RS-232 interface)?

Software communication problems can occur due to a few reasons. Please click on the appropriate troubleshooting guide (link) below for assistance.

Is my meter calibrated out of the box? How often should it be calibrated? Does it come with a calibration certificate? How and where can I get my meter calibrated?

All Sper Scientific products are factory calibrated prior to shipment. This calibration is valid for one year. An annual factory calibration is recommended. Sper Scientific does not include calibration certificates with our products. NIST calibrations with data can be purchased for an additional charge for most products. To send your meter to be NIST calibrated please contact our Customer Service department for further information.

Where can I obtain a Instruction Manual for my meter?

All Sper Scientific Instruction Manuals are available located in the Description section on each individual product page. Here will be an option to downlaod a PDF of the Instruction Manual.

How often does my meter need to be calibrated?

Sper Scientific meters should be calibrated annually.

How can I get a calibration procedure for my meter?

If you have any questions regarding certified products or our re-certification process, you may find a simple solution by clicking the "Certification" link on the navigation bar above. If however, you have further questions, concerns, or comments, please don't hesitate to contact us today.

Airflow Meterss

Please email your request for a calibration procedure to support@extech.com. Please remember to include the model number of your meter.