Pulsar

Concentric Target Calibrator

CSS

Three nested concentric measurement rings converge inward onto a central bullseye target to show active sensor calibration.

Tier
CSS
Dependencies
None
Duration
4.2 s, loops
Categories
Loaders and spinners
Use cases
Loading and waiting
Industries
Energy and utilities, Cross-industry
Style
Data mark · light stroke
Set
meter
Tags
ringcirclescalegeometric

Companion assets

The same artwork, not animated. Derived from the entry’s own resting state, so it matches exactly.

Animated
CSS tier
Static vector
Concentric Target Calibrator, not animated
Download SVG

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true" class="pulsar pulsar-meter-concentric-rings" data-pulsar="meter-concentric-rings" viewBox="0 0 160 96"><line x1="80" x2="80" y1="10" y2="86" stroke-dasharray="2 4" opacity=".25"></line><line x1="42" x2="118" y1="48" y2="48" stroke-dasharray="2 4" opacity=".25"></line><circle cx="80" cy="48" r="36" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5" class="meter-conc-r3"></circle><circle cx="80" cy="48" r="24" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5" class="meter-conc-r2"></circle><circle cx="80" cy="48" r="12" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5" class="meter-conc-r1"></circle><circle cx="80" cy="48" r="3" fill="currentColor" stroke-width="1.5"></circle></svg>

animation.css

.pulsar-meter-concentric-rings {
  display: block;
  overflow: visible;
}
.pulsar-meter-concentric-rings .meter-conc-r3 {
  transform-origin: 80px 48px;
  animation: meter-concentric-rings-r3-anim 4200ms ease-in-out infinite;
}
.pulsar-meter-concentric-rings .meter-conc-r2 {
  transform-origin: 80px 48px;
  animation: meter-concentric-rings-r2-anim 4200ms ease-in-out infinite;
}
.pulsar-meter-concentric-rings .meter-conc-r1 {
  transform-origin: 80px 48px;
  animation: meter-concentric-rings-r1-anim 4200ms ease-in-out infinite;
}

@keyframes meter-concentric-rings-r3-anim {
  0% {
    transform: scale(1.1);
    opacity: 0.1;
  }
  35% {
    transform: scale(1);
    opacity: 0.8;
  }
  75%,
  100% {
    transform: scale(0.9);
    opacity: 0.1;
  }
}

@keyframes meter-concentric-rings-r2-anim {
  0%,
  15% {
    transform: scale(1.1);
    opacity: 0.1;
  }
  50% {
    transform: scale(1);
    opacity: 0.8;
  }
  85%,
  100% {
    transform: scale(0.9);
    opacity: 0.1;
  }
}

@keyframes meter-concentric-rings-r1-anim {
  0%,
  30% {
    transform: scale(1.1);
    opacity: 0.1;
  }
  65% {
    transform: scale(1);
    opacity: 1;
  }
  95%,
  100% {
    transform: scale(0.9);
    opacity: 0.1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulsar-meter-concentric-rings .meter-conc-r3,
  .pulsar-meter-concentric-rings .meter-conc-r2,
  .pulsar-meter-concentric-rings .meter-conc-r1 {
    animation: none;
    transform: none;
    opacity: 0.7;
  }
}

From this family15 in Meter

See the family