1220-04-05-.34
Standards For Pressure Measurements
Cite as Tenn. Comp. R. & Regs. 1220-04-05-.34
(1)
Secondary Standards.
(a)
Each utility shall own or have access to a dead weight tester.
(2)
Working Standards.
REGULATIONS FOR GAS COMPANIES
CHAPTER 1220-04-05
(a)
Each utility must have equipment for the proper testing of the indicating and recording
pressure gauges used in determining the pressure on the utility’s system. Working
standards must be checked periodically (see Rule 1220-04-05-.26(e)(6)) by
comparison with a secondary standard.
(3)
Extreme care must be exercised in the handling of standards to assure that their accuracy is
not disturbed.