wet bulb thermometer
Worth a lookShows demand growing +217.1% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Incredible+217.1%90-day search growth — must beat 0% to launch
Returns
Great1.4%return rate — above 5% kills the launch gate
Avg price
Great$70.02avg listing price — sweet spot $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Good4.3%search→purchase rate — share of searches ending in a sale
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Market size
Okay$120K$120K/yr · 40K searches
Review moat
Bad8,024.2avg incumbent reviews — the moat a new listing must climb
Price range
Bad$10.88–$536.70cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, wet bulb thermometer is a $120K/yr Amazon United States market (40K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Worth a look — 56/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
wet bulb thermometer market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $105K–$140K
- units × avg price
- Conversion rate
- 4.3%
- Avg BSR
- #108
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 95%
- Out of stock
- 2.3%
- Avg brand age
- 73 months
- Avg seller age
- 182 days
Competition & brand share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.Brands
16 falling
Sellers
45
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
67%
Top 20: 100%
Open market
21%
- Protmex28%
- Triplett28%
- BTMETER12%
- SQECH4%
- Preciva4%
- Sper Scientific4%
Demand & seasonality
Weekly Amazon search volume, last 109 weeks — +217.1% search growth over the last 90 days.Peak months: Jun, Jul, Aug · busiest ÷ quietest = 7.3×
Top wet bulb thermometer search terms
- wet bulb thermometer19K/yr
- wet bulb globe thermometer10K/yr
- dew point meter10K/yr
Top wet bulb thermometer products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Triplett HS10 Heat Stress WBGT Meter
Triplett$48.874.2★63 rev
HT607 Temperature Humidity Meter - Large LCD Backlight with Cover Protector
Protmex$33.594.5★1,102 rev
BTMETER BT-881W Heat Stress Meter Anemometer Digital Indoor/Outdoor WBGT (Wet Bulb Globe Temperature) Meter with Wind Speed Ambient Temp Humidity Tester
BTMETER$35.794.4★47 rev
Protmex PT6508 Temperature Humidity Meter - Wet Bulb for Indoor/Outdoor
Protmex$53.254.6★768 rev
YT606 Temperature Humidity Meter High Precision Digital Hygrometer with Ambient Relative Humidity Dew Point Wet Bulb Thermometer for Indoor Outdoor Digital Thermometer Min/Max Hold LCD Backlight
Protmex$37.574.4★94 rev
Newest
by launch date
BOBOVAV Temperature Humidity Meter 4 in 1 Psychrometer with Ambient Temperature Relative Humidity Dew Point and Wet Bulb Backlight Min/Max and Data Hold Hygrometer for HVAC Indoor Basement
BOBOVAV$20.9517 rev
SQECH Temperature Humidity Meter Digital Hygrometer Psychrometer HVAC
SQECH$29.2859 rev
INSTRODOTS Temperature Humidity Meter High Precision Thermometer Hygrometer with Ambient Dew Point Wet Bulb Thermometer Dual Display Temperature & Humidity with LCD Backlight TH10
Instrodots$28.4995 rev
YT606 Temperature Humidity Meter High Precision Digital Hygrometer with Ambient Relative Humidity Dew Point Wet Bulb Thermometer for Indoor Outdoor Digital Thermometer Min/Max Hold LCD Backlight
Protmex$37.5794 rev
Triplett HSDL300 Heat Stress WBGT Datalogger
Triplett$187.846 rev
Trending
90-day click momentumBOBOVAV Temperature Humidity Meter 4 in 1 Psychrometer with Ambient Temperature Relative Humidity Dew Point and Wet Bulb Backlight Min/Max and Data Hold Hygrometer for HVAC Indoor Basement
BOBOVAV$20.954.1★
Digital Wind Speed Meter Anemometer Handheld Heat Stress WBGT Meter Tracker Measures Wind Velocity/Wind Temperature/Humidity Wind Gauge Wet-Bulb Globe Temperature Monitor for Industrial and Outdoor
INFURIDER$29.593.8★
SQECH Temperature Humidity Meter Digital Hygrometer Psychrometer HVAC
SQECH$29.284.1★
Sper Scientific Wet Bulb Globe Heat Stress Meter 800036 - WBGT Heat Index Monitor with Air Temperature Humidity & Globe Temperature for Workplace Sports & Outdoor Activities
Sper Scientific$153.964.4★
Kestrel 5400 Heat Stress Tracker Orange
Kestrel$536.704.8★
What buyers say about wet bulb thermometer
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to Read”
“As advertised”
“Works reliably”
“Great quality, price and arrives ready to use”
“Good value for the money”
“Love the small size”
“The display is clear”
“The hygrometer is compact easy to read”
“Battery life is good”
“Great Thermometer”
What buyers complain about
“Little bigger than I wanted”
“Does not display anything”
“Stopped working”
“Poor quality”
“Broke almost immediately”
“battery was dead when installed”
“NOT on the temperature”
“Reads humidity very not accurate this was reading 37.5% RH”
“Not worth the price”
“The screen does NOT light up”
Top return reasons
Common questions
- Is wet bulb thermometer profitable to sell on Amazon United States?
- The niche generates $120K/yr across 20 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +217.1%. Flapen's verdict: Worth a look (56/100).
- How competitive is the wet bulb thermometer niche?
- 16 brands and 45 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in wet bulb thermometer?
- Top complaints mined from reviews: Size-Overall, Display-Overall, Functionality-Overall. The return rate is 1.4%.
- When does demand for wet bulb thermometer peak?
- Demand peaks in Jun–Jul–Aug; the busiest month runs 7.3× the quietest.
- What does it cost to enter the wet bulb thermometer niche?
- Listings span $10.88–$536.70; the average listing price is $70.02 (sweet spot $15–$100). The average incumbent carries 8,024 reviews — the moat a new listing must climb.