Right now the best price with coupon code for UNI-T UT89XD Multimeter is 32.99 USD (in Banggood). Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood (32.99 USD)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. Good or bad price? Hmmm, price is higher than average (which is 32.37 USD right now), so better set price alert down below…
Link: Banggood product page
Price: 32.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGM1TOOLS88, BG20236Tool, BG88f121
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
Click here… to search for UNI-T UT89XD Multimeter on Aliexpress
Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for UNI-T UT89XD Multimeter? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).