Testo, Inc. has over 50 years in the design, development and manufacture of portable test and measurement instrumentation. With offices around the world, testo services many markets including chemical, food service and production, pharmaceutical and biotech and residential HVAC suppliers.
As of January 1st, 2017, we can no longer ship orders consisting solely of lithium batteries for Air shipments. Please call 877-275-9606 with any questions regarding the purchase of lithium batteries.