Volk 2

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/752171/charts/1?bgcolor=%23ffffff&color=%23d62020&dynamic=true&max=90&median=15&results=3000&type=line"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/752171/charts/2?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=200&type=line"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/752171/charts/3?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=200&type=line&yaxismax=100&yaxismin=0"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/752171/charts/4?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=200&type=line"></iframe>