Table 1 of § 1066.215 -Summary of Required Dynamometer Verifications
Type of verification | Minimum frequencya |
§ 1066.220 : Linearity verification | Speed: Upon initial installation, within 370 days before testing, and after major maintenance. Torque (load): Upon initial installation and after major maintenance. |
§ 1066.225 : Roll runout and diameter verification | Upon initial installation and after major maintenance. |
§ 1066.230 : Time verification | Upon initial installation and after major maintenance. |
§ 1066.235 : Speed measurement verification | Upon initial installation, within 370 days before testing, and after major maintenance. |
§ 1066.240 : Torque (load) transducer verification | Upon initial installation, within 7 days of testing, and after major maintenance. |
§ 1066.245 : Response time verification | Upon initial installation, within 370 days before testing, and after major maintenance. |
§ 1066.250 : Base inertia verification | Upon initial installation and after major maintenance. |
§ 1066.255 : Parasitic loss verification | Upon initial installation, after major maintenance, and upon failure of a verification in § 1066.270 or § 1066.275 . |
§ 1066.260 : Parasitic friction compensation verification | Upon initial installation, after major maintenance, and upon failure of a verification in § 1066.270 or § 1066.275 . |
§ 1066.265 : Acceleration and deceleration verification | Upon initial installation and after major maintenance. |
§ 1066.270 : Unloaded coastdown verification | Upon initial installation, within 7 days of testing, and after major maintenance. |
§ 1066.275 Dynamometer readiness verification | Upon initial installation, within 1 day before testing, and after major maintenance. |
a Perform calibrations and verifications more frequently, according to measurement system manufacturer instructions and good engineering judgment.
40 C.F.R. §1066.215