# PSC 134.27 Meter accuracies.

- **operation:** document
- **citation:** Wis. Admin. Code § PSC 134.27
- **title:** PSC 134.27 Meter accuracies.
- **source type:** regulation
- **agency:** Public Service Commission of Wisconsin
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 1969-05-01
- **summary:** Complete current PSC 134.27 from official Wisconsin Legislature sources (gas-utility-service).
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/wi-psc-134-27.json
- **markdown:** https://regulus.evalyn.ai/document/wi-psc-134-27.md
- **app url:** https://regulus.evalyn.ai/document/wi-psc-134-27
- **source url:** https://docs.legis.wisconsin.gov/document/administrativecode/PSC%20134.27
**body:**

PSC 134.27 Meter accuracies. All meters shall be set as close to 100% accurate as possible. Diaphragm meters shall be considered correct for service if the results of the multiple tests called for agree within 1% and no test shows an error of more than 1% fast or slow. Turbine and rotary displacement type meters shall be considered correct for service when tested at approximately 10% of rated flow with accuracy between 2% slow and 2% fast, and at approximately 100% flow with accuracy between 1% slow and 1% fast and in the case of turbine type meters, have a spin test time equal to or greater than that on file with the commission under s. PSC 134.28 (6). In orifice type meters, the deviations in the diameter of the orifice shall not exceed the following:
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