I have checked all old coupons and price is 199.99 USD for FR2000C+ 0.01-1200ohm Clamp Ground (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Latest price update (UTC time):
Banggood (199.99 USD)
Banggood warehouse is located in China. There is no active coupon in my database right now (for Banggood). Low/high price? The average price for this item is 206.69 USD, so I think it’s a good price!
Link: Banggood product page
Price: 199.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGDCTOOLS, BGGines, JanBGCoupon8, BGM1TOOLS88, BGTOOS729
(these coupons are old, so probably won’t work)
Aliexpress
Click here… to search for FR2000C+ 0.01-1200ohm Clamp Ground Resistance Tester on Aliexpress
Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for FR2000C+ 0.01-1200ohm Clamp Ground Resistance Tester is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).