TC-22
The TC-22 is portable test chamber similar in appearance to the TC-10, however the TC-21 is designed to test up to 10 military Altimaster altimeters over a complete range of altitudes, regardless of ambient altitude.
The TC-22 using both vacuum and positive pressure sources to test from -1000 feet to 30,000 feet MSL.
This test chamber is designed for users who are testing altimeters at an ambient altitude significantly above zero MSL.
Unless otherwise specified the TC-22 is supplied with a 110V pump, other voltages available on request.