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Contact Us

At CalTest Instruments, your input is essential to our business. If you have any questions or comments regarding our CalTest Smokemeters, Testing, Rates, Pricing, Call Main Office 310.835.6909 or Direct Sales, Service, or Technical Support Call Clyde Smith at Cell ph. 310.927.3748 or  or email for more information.

Hours of Operation

Mon - Fri
10 a.m. - 5 p.m. PDT
11 a.m. - 3 p.m. PDT


126 Marine Avenue. Wilmington, CA 90744

FAX: 310.835.0723

Customer Service: 310.835.6909

Sales 310.835.6909

Office / Sales

126 Marine Avenue.
Wilmington, CA, 90744
310.835.6909    For Calibration of CalTest 1000 Please Use Shipping Address below.

Ship To Address:                Omstar Environmental Products c/o Caltest Instruments                  126 Marine. Avenue. Wilmington, CA 90744

Internet Support



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CalTest Instruments 126 Marine Avenue.
Wilmington, CA, 90744
 Main OFFICE 310.835.6909 or Direct Sales, Service, Technical Support Call CLYDE SMITH at Cell Ph: 310.927.3748

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