--- title: "wet bulb thermometer — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/appliances/wet-bulb-thermometer" last_updated: "2026-07-10T02:27:33.337Z" locale: en meta: description: "a small market ($80K/yr) — wet bulb thermometer doesn't clear our bar today." "og:description": "a small market ($80K/yr) — wet bulb thermometer doesn't clear our bar today." "og:title": "wet bulb thermometer — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen" --- Back to Flapen home # **wet bulb thermometer** **Skip it****45/100 ** a small market ($80K/yr) — wet bulb thermometer doesn't clear our bar today. **Market/yr** **$80K** **Growth (1y)** **+97.0%** **Products** **21** **Brands** **18** was 16 a year ago **Sellers** **61** **Price range** **$10.87–$248.69** **Returns** **1.4%** **Rating** **4.3★** **Skip it** Scored 45/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **4** ×0.30 Growth **64** ×0.30 Competition **52** ×0.20 Quality gap **56** ×0.10 Returns **89** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +97.0% year over year. 2K1KPrime Day '24Spike '24Spike '25Holiday '25Spike '26Jul '24Nov '24Mar '25Jun '25Oct '25Feb '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Jun, Jul, Aug · busiest ÷ quietest = 6.8× ## **Competition** - Triplett24% - Protmex20% - BTMETER12% - Mengshen6% - SQECH5% - Preciva4% - Other (12 brands)28% The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them. 18 brands and 61 sellers compete here. **Brands** **18 **▲rising was 16 a year ago **Sellers** **61** **Top 5 brand share** **68%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Triplett HS10 Indoor/Outdoor Heat Stress WBGT (Wet Bulb Globe Temperature) Meter](https://m.media-amazon.com/images/I/31bqm+P0W3L.jpg) [**Triplett HS10 Indoor/Outdoor Heat Stress WBGT (Wet Bulb Globe Temperature) Meter**](https://www.amazon.com/dp/B0B47R5GJF) Triplett$52.414.1★5921%▲rising 2 ![BTMETER BT-881W Heat Stress Meter Anemometer Digital Indoor/Outdoor WBGT (Wet Bulb Globe Temperature) Meter with Wind Speed Ambient Temp Humidity Tester](https://m.media-amazon.com/images/I/419oa8lZ11L.jpg) [**BTMETER BT-881W Heat Stress Meter Anemometer Digital Indoor/Outdoor WBGT (Wet Bulb Globe Temperature) Meter with Wind Speed Ambient Temp Humidity Tester**](https://www.amazon.com/dp/B09WMQTFKD) BTMETER$35.544.4★4812%▲rising 3 ![Protmex HT607 Temperature Humidity Meter High Precision Digital Hygrometer with Ambient Relative Humidity Dew Point Wet Bulb Thermometer Min/Max Hold LCD Backlight with Cover Protector](https://m.media-amazon.com/images/I/41OxldM1yuL.jpg) [**Protmex HT607 Temperature Humidity Meter High Precision Digital Hygrometer with Ambient Relative Humidity Dew Point Wet Bulb Thermometer Min/Max Hold LCD Backlight with Cover Protector**](https://www.amazon.com/dp/B0BD7NQG2J) Protmex$32.844.6★1,08010%▼falling 4 ![Mengshen Digital Temperature and Humidity Meter](https://m.media-amazon.com/images/I/31eRTlDSNpL.jpg) [**Mengshen Digital Temperature and Humidity Meter**](https://www.amazon.com/dp/B01CY29SC2) Mengshen$23.304.4★1,8536%▼falling 5 ![Protmex PT6508 Temperature Humidity Meter Digital Thermometer Hygrometer Monitor with Ambient Dew Point Wet Bulb for Indoor/Outdoor MIN MAX Data Hold LCD Backlight](https://m.media-amazon.com/images/I/41Hw9jiEueL.jpg) [**Protmex PT6508 Temperature Humidity Meter Digital Thermometer Hygrometer Monitor with Ambient Dew Point Wet Bulb for Indoor/Outdoor MIN MAX Data Hold LCD Backlight**](https://www.amazon.com/dp/B017NF1POE) Protmex$53.154.6★8956%▼falling 6 ![Temperature Humidity Meter SQECH Digital Hygrometer with Ambient Thermometer Wet Bulb Flashlight Max/Min Data Hold High Precision Psychrometer Monitor with Color Backlight for Home Havc](https://m.media-amazon.com/images/I/41AICsn0j-L.jpg) [**Temperature Humidity Meter SQECH Digital Hygrometer with Ambient Thermometer Wet Bulb Flashlight Max/Min Data Hold High Precision Psychrometer Monitor with Color Backlight for Home Havc**](https://www.amazon.com/dp/B0G4VXFMKG) SQECH$29.483.7★635%▲rising 7 ![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](https://m.media-amazon.com/images/I/41p+BxVpvhL.jpg) [**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**](https://www.amazon.com/dp/B0F61HBSX5) Protmex$37.454.5★894%▼falling 8 ![Preciva Digital Psychrometer Thermo-Hygrometer LCD Mini Temperature and Humidity Meter with Dew Point and Wet Bulb Temperature Hygrometer for Industry Agriculture Meteorology (9V Battery Included)](https://m.media-amazon.com/images/I/414Q8nzX-BL.jpg) [**Preciva Digital Psychrometer Thermo-Hygrometer LCD Mini Temperature and Humidity Meter with Dew Point and Wet Bulb Temperature Hygrometer for Industry Agriculture Meteorology (9V Battery Included)**](https://www.amazon.com/dp/B071WLDY82) Preciva$22.444.3★1,3534%▼falling 9 ![Heat Stress Meter Anemometer Outdoor Wet Bulb Globe Thermometer WBGT for Wind Speed/Humidity/WBGT Alarm and Temperature (/) for Humidity Tester Boat Sailing-AP-881W](https://m.media-amazon.com/images/I/31mnoKqPFOL.jpg) [**Heat Stress Meter Anemometer Outdoor Wet Bulb Globe Thermometer WBGT for Wind Speed/Humidity/WBGT Alarm and Temperature (/) for Humidity Tester Boat Sailing-AP-881W**](https://www.amazon.com/dp/B09ST6HKN6) AOPUTTRIVER$27.993.8★293%▲rising 10 ![Triplett HSDL300 Indoor/Outdoor Heat Stress WBGT (Wet Bulb Globe Temperature) Datalogger](https://m.media-amazon.com/images/I/312NDb1+SUL.jpg) [**Triplett HSDL300 Indoor/Outdoor Heat Stress WBGT (Wet Bulb Globe Temperature) Datalogger**](https://www.amazon.com/dp/B0C3RX9Y4B) Triplett$188.885.0★63%▲rising 11 ![ALLOSUN Digital Thermometer Hygrometer Indoor Humidity Greenhouse Temperature Monitor Alarm Long Probe Gauge Dew-Point Meter with LCD Display](https://m.media-amazon.com/images/I/41Com6pq1EL.jpg) [**ALLOSUN Digital Thermometer Hygrometer Indoor Humidity Greenhouse Temperature Monitor Alarm Long Probe Gauge Dew-Point Meter with LCD Display**](https://www.amazon.com/dp/B01DGFX5TS) allsun$15.944.0★883%—flat 12 ![INSTRODOTS Temperature Humidity Meter High Precision Thermometer Hygrometer with Ambient Dew Point Wet Bulb Thermometer Dual Display Temperature & Humidity with LCD Backlight TH10](https://m.media-amazon.com/images/I/41NUAWKlKXL.jpg) [**INSTRODOTS Temperature Humidity Meter High Precision Thermometer Hygrometer with Ambient Dew Point Wet Bulb Thermometer Dual Display Temperature & Humidity with LCD Backlight TH10**](https://www.amazon.com/dp/B0F4X49P6P) Instrodots$28.424.6★653%▲rising 13 ![Wet Bulb Thermometer 2-in-1 WBGT + HI Heat Index Checker Heat Stress Meter Wearable Indoor Outdoor Wet Bulb Globe Thermometer Humidity Tester with Four Level Indicator and Audible Alarm](https://m.media-amazon.com/images/I/31u9Rpc8jfL.jpg) [**Wet Bulb Thermometer 2-in-1 WBGT + HI Heat Index Checker Heat Stress Meter Wearable Indoor Outdoor Wet Bulb Globe Thermometer Humidity Tester with Four Level Indicator and Audible Alarm**](https://www.amazon.com/dp/B08GCCPWSL) DANOPLUS$38.434.2★83%—flat 14 ![TempPro TP50 Digital Hygrometer Indoor Thermometer Room Thermometer and Humidity Gauge with Temperature Humidity Monitor(Previously ThermoPro)](https://m.media-amazon.com/images/I/41z6KMQMWAL.jpg) [**TempPro TP50 Digital Hygrometer Indoor Thermometer Room Thermometer and Humidity Gauge with Temperature Humidity Monitor(Previously ThermoPro)**](https://www.amazon.com/dp/B01H1R0K68) TempPro$10.874.6★154,0933%▼falling 15 ![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](https://m.media-amazon.com/images/I/41u-HTCKlsL.jpg) [**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**](https://www.amazon.com/dp/B0GVY64PY9) BOBOVAV$21.004.4★113%▲rising **~~Showing 15 of 21 — show all ~~** ## **Product shelf** All 21 tracked products in this niche. Top sellersNewestTrending [![Triplett HS10 Indoor/Outdoor Heat Stress WBGT (Wet Bulb Globe Temperature) Meter](https://m.media-amazon.com/images/I/31bqm+P0W3L.jpg)**Triplett HS10 Indoor/Outdoor Heat Stress WBGT (Wet Bulb Globe Temperature) Meter** Triplett**$52.41**4.1★59 reviews](https://www.amazon.com/dp/B0B47R5GJF) [![BTMETER BT-881W Heat Stress Meter Anemometer Digital Indoor/Outdoor WBGT (Wet Bulb Globe Temperature) Meter with Wind Speed Ambient Temp Humidity Tester](https://m.media-amazon.com/images/I/419oa8lZ11L.jpg)**BTMETER BT-881W Heat Stress Meter Anemometer Digital Indoor/Outdoor WBGT (Wet Bulb Globe Temperature) Meter with Wind Speed Ambient Temp Humidity Tester** BTMETER**$35.54**4.4★48 reviews](https://www.amazon.com/dp/B09WMQTFKD) [![Protmex HT607 Temperature Humidity Meter High Precision Digital Hygrometer with Ambient Relative Humidity Dew Point Wet Bulb Thermometer Min/Max Hold LCD Backlight with Cover Protector](https://m.media-amazon.com/images/I/41OxldM1yuL.jpg)**Protmex HT607 Temperature Humidity Meter High Precision Digital Hygrometer with Ambient Relative Humidity Dew Point Wet Bulb Thermometer Min/Max Hold LCD Backlight with Cover Protector** Protmex**$32.84**4.6★1,080 reviews](https://www.amazon.com/dp/B0BD7NQG2J) [![Mengshen Digital Temperature and Humidity Meter](https://m.media-amazon.com/images/I/31eRTlDSNpL.jpg)**Mengshen Digital Temperature and Humidity Meter** Mengshen**$23.30**4.4★1,853 reviews](https://www.amazon.com/dp/B01CY29SC2) [![Protmex PT6508 Temperature Humidity Meter Digital Thermometer Hygrometer Monitor with Ambient Dew Point Wet Bulb for Indoor/Outdoor MIN MAX Data Hold LCD Backlight](https://m.media-amazon.com/images/I/41Hw9jiEueL.jpg)**Protmex PT6508 Temperature Humidity Meter Digital Thermometer Hygrometer Monitor with Ambient Dew Point Wet Bulb for Indoor/Outdoor MIN MAX Data Hold LCD Backlight** Protmex**$53.15**4.6★895 reviews](https://www.amazon.com/dp/B017NF1POE) [![Temperature Humidity Meter SQECH Digital Hygrometer with Ambient Thermometer Wet Bulb Flashlight Max/Min Data Hold High Precision Psychrometer Monitor with Color Backlight for Home Havc](https://m.media-amazon.com/images/I/41AICsn0j-L.jpg)**Temperature Humidity Meter SQECH Digital Hygrometer with Ambient Thermometer Wet Bulb Flashlight Max/Min Data Hold High Precision Psychrometer Monitor with Color Backlight for Home Havc** SQECH**$29.48**3.7★63 reviews](https://www.amazon.com/dp/B0G4VXFMKG) [![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](https://m.media-amazon.com/images/I/41p+BxVpvhL.jpg)**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**$37.45**4.5★89 reviews](https://www.amazon.com/dp/B0F61HBSX5) [![Preciva Digital Psychrometer Thermo-Hygrometer LCD Mini Temperature and Humidity Meter with Dew Point and Wet Bulb Temperature Hygrometer for Industry Agriculture Meteorology (9V Battery Included)](https://m.media-amazon.com/images/I/414Q8nzX-BL.jpg)**Preciva Digital Psychrometer Thermo-Hygrometer LCD Mini Temperature and Humidity Meter with Dew Point and Wet Bulb Temperature Hygrometer for Industry Agriculture Meteorology (9V Battery Included)** Preciva**$22.44**4.3★1,353 reviews](https://www.amazon.com/dp/B071WLDY82) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Ease Of Use**18% *“Easy to use”* **Advertised Vs Actual Product**15% *“As advertised”* **Quality-Overall**13% *“Great quality, price and arrives ready to use”* **Efficiency**12% *“Does its job well”* **Value For Money**10% *“Great deal”* **Size-Overall**5% *“Love the small size”* **Battery Life**3% *“decent battery life”* **Display-Overall**3% *“The display is clear”* **Compactness**2% *“The hygrometer is compact easy to read”* **Heating**2% *“Great where you want to check temp”* ### **What buyers complain about ** **Size-Overall**21% *“Little bigger than I wanted”* **Display-Overall**13% *“Does not display anything”* **Quality-Overall**9% *“Poor quality”* **Durability**8% *“Doesn't Last”* **Functionality-Overall**7% *“Doesn't work”* **Battery Life**6% *“Arrived with dead battery”* **Heating**4% *“NOT on the temperature”* **Value For Money**4% *“Inexpensive just turned into cheap”* **Measurement/Reading Accuracy**3% *“so don't know how precise it is either”* **Instructions/User Manual/Troubleshooting**2% *“Instructions are horrid”* #### **Top return reasons**- Display-Overall20% - Functionality-Overall19% - Size-Overall18% - Advertised Vs Actual Product11% - Defective Material/Parts9% - Value For Money5% - Heating4% - Measurement/Reading Accuracy3% - Connectivity-Overall3% - Quality-Overall1%