Yes, you can use Trackmyhashtag- It is the best to monitor a hashtag or keyword on Twitter. You can easily understand the dashboard and report given by this tool.
Trackmyhashtag is one of the best tool to track any hashtag, keyword opr mention on Twitter.
Simply, go to the website and click on "5-days free trial". Do sign up and you can track any hashtag or keyword for free.
This tool provides lots of metrics and insights for twitter strategy :
1. Total Tweets, Reach, Impression and contributors
2. Tweet Timeline analytics and patterns
3. Top Influencers, contributors and their statistics
4. Top media, URL and hashtag
5. Best time to post and best hashtag to use
6. Geographical representation, device source, top languages and contributor's twitter age
7. It also provide the complete user details
I hope it will be useful for you. Thank you.