Ph Meter

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512.001 512.001"
>
    <path
        d="M495.484 379.871h-81.086c41.261-41.612 64.57-97.685 64.57-156.903 0-59.557-23.193-115.549-65.306-157.662S315.557.001 256 .001 140.451 23.193 98.338 65.306s-65.306 98.105-65.306 157.662c0 59.219 23.308 115.291 64.571 156.903H16.516C7.41 379.871 0 387.281 0 396.388v99.097C0 504.591 7.41 512 16.516 512h426a16.41 16.41 0 0 0 11.678-4.837l52.968-52.968a16.402 16.402 0 0 0 4.839-11.679v-46.129c-.001-9.106-7.411-16.516-16.517-16.516zM49.548 222.968c0-113.837 92.614-206.452 206.452-206.452s206.452 92.614 206.452 206.452c0 60.557-26.322 117.565-72.298 156.903h-27.098a190.458 190.458 0 0 0 52.022-53.088c20.188-30.873 30.858-66.771 30.858-103.815 0-104.731-85.205-189.935-189.935-189.935S66.065 118.237 66.065 222.968c0 63.259 31.705 121.885 82.886 156.903h-27.104c-45.977-39.338-72.299-96.345-72.299-156.903zm318.51 132.292-60.969-78.389a76.248 76.248 0 0 0 2.815-2.815l78.358 60.946a173.95 173.95 0 0 1-20.204 20.258zM256 280.775c-31.874 0-57.806-25.932-57.806-57.806s25.932-57.806 57.806-57.806 57.806 25.932 57.806 57.806-25.932 57.806-57.806 57.806zm142.324 41.13-78.44-61.01a73.847 73.847 0 0 0 8.14-19.57l98.633 12.329c-4.468 24.693-14.237 47.951-28.333 68.251zm31.095-98.937c0 4.804-.223 9.574-.618 14.31l-98.53-12.316c.018-.665.051-1.325.051-1.994s-.033-1.33-.051-1.994l98.553-12.319c.388 4.721.595 9.494.595 14.313zm-101.395-18.357a73.928 73.928 0 0 0-8.14-19.57l78.454-61.02c14.002 20.081 23.877 43.243 28.362 68.255l-98.676 12.335zm-18.121-32.731a75.424 75.424 0 0 0-2.814-2.814l60.943-78.357a174.973 174.973 0 0 1 20.226 20.226l-78.355 60.945zm-15.976-12.795a73.847 73.847 0 0 0-19.57-8.14l12.334-98.676c25.012 4.485 48.173 14.361 68.255 28.362l-61.019 78.454zm-35.933-10.389c-.665-.018-1.325-.051-1.994-.051s-1.33.033-1.994.051l-12.319-98.553c4.722-.387 9.494-.595 14.313-.595 4.82 0 9.592.207 14.313.595l-12.319 98.553zm-32.686-96.427 12.334 98.676a73.928 73.928 0 0 0-19.57 8.14l-61.02-78.454c20.081-14.001 43.244-23.877 68.256-28.362zm-81.341 38.44 60.943 78.356a75.424 75.424 0 0 0-2.814 2.814l-78.357-60.943a175.157 175.157 0 0 1 20.228-20.227zm-30.304 33.312 78.454 61.02a73.847 73.847 0 0 0-8.14 19.57l-98.676-12.334c4.485-25.013 14.36-48.174 28.362-68.256zm-31.082 98.947c0-4.82.207-9.592.595-14.313l98.553 12.319c-.018.665-.051 1.325-.051 1.994s.033 1.33.051 1.994l-98.531 12.316a172.085 172.085 0 0 1-.617-14.31zm101.395 18.358a73.928 73.928 0 0 0 8.14 19.57l-78.457 61.022c-14.097-20.297-23.855-43.557-28.321-68.261l98.638-12.331zm18.121 32.731a76.248 76.248 0 0 0 2.815 2.815l-60.975 78.396a173.898 173.898 0 0 1-20.205-20.26l78.365-60.951zM182.1 379.871a172.774 172.774 0 0 1-25.096-14.502l61.069-78.518a73.883 73.883 0 0 0 19.57 8.141l-10.61 84.878H182.1zm71.906-82.631c.665.018 1.325.051 1.994.051s1.33-.033 1.994-.051l10.329 82.631h-24.646l10.329-82.631zm30.961 82.631-10.61-84.879a73.87 73.87 0 0 0 19.57-8.141l61.062 78.508a172.56 172.56 0 0 1-25.083 14.512h-44.939zM16.516 396.388h478.968v33.032h-49.548c-9.107 0-16.516 7.41-16.516 16.516v49.548H16.516v-99.096zm429.419 95.675v-46.128h46.127l-46.127 46.128z"
    />
    <path
        d="M256 181.678c-22.767 0-41.29 18.523-41.29 41.29s18.523 41.29 41.29 41.29 41.29-18.523 41.29-41.29-18.523-41.29-41.29-41.29zm0 66.064c-13.66 0-24.774-11.114-24.774-24.774S242.34 198.194 256 198.194s24.774 11.114 24.774 24.774S269.66 247.742 256 247.742z"
    />
</svg>