---
title: "Psychrometer — $224K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/appliances/psychrometer"
last_updated: "2026-08-09T07:33:46.151Z"
locale: en
meta:
  description: "Niche score 58/100 · $224K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 58/100 · $224K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Psychrometer — $224K/yr Amazon US Niche (2026) - Flapen"
---

# **psychrometer**

**Worth a look**

Shows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 43Growth 84Conversion 52Competition 43Returns 95Price range 11Avg price 80Brand share 47Review moat 65Quality gap 52

**Returns**

**Great****1.0%**

return rate — above 5% kills the launch gate

**Growth**

**Great****+82.3%**

90-day search growth — must beat 0% to launch

**Avg price**

**Great****$87.49**

avg listing price — sweet spot $15–$100

**Review moat**

**Good****918**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Good****4.3%**

search→purchase rate — share of searches ending in a sale

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****77%**

top-5 brand share — brands hold most of the demand

**Market size**

**Okay****$224K**

$224K/yr · 59K searches

**Competition**

**Okay****59%**

top-5 click share — leaders hold, buyers still browse

**Price range**

**Bad****$15.26–$756.99**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, psychrometer is a $224K/yr Amazon United States market (59K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Jun–Jul–Aug–Sep. Verdict: Worth a look — 58/100.

Data updated Jul 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **psychrometer market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–3K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$219K–$262K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.3%**</dd>

<dt>**Avg BSR**</dt><dd>**#163**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**76%**</dd>

<dt>**Out of stock**</dt><dd>**2.2%**</dd>

<dt>**Avg brand age**</dt><dd>**68 months**</dd>

<dt>**Avg seller age**</dt><dd>**159 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**13 **▼falling

**Sellers**

**59**

**Top-5 brand share**

**77%**

Top 20: 100%

**Top-5 click share**

**59%**

Top 20: 99%

**Open market**

**18%**

- Fieldpiece30% - Protmex22% - ERAY12% - Mengshen7% - SQECH6% - Preciva6% - Open — no brand owns it (7 brands, 18%)

## **Demand & seasonality**

Weekly Amazon search volume, last 109 weeks — +82.3% search growth over the last 90 days.

3K2KSpike '24Spike '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jun, Jul, Aug, Sep · busiest ÷ quietest = 4.2×

[**Open Trend **](https://flapen.com/research/us/appliances/psychrometer/trend)

## **Top psychrometer search terms**

- **psychrometer**31K/yr+90.9%3.5% conv. - **psychrometer hvac**16K/yr+50.0%3.7% conv. - **digital psychrometer**6K/yr+105.6%4.5% conv. - **wet bulb thermometer hvac**3K/yr+147.1%4.9% conv. - **psychometer**3K/yr+80.5%1.6% conv. [**All search terms **](https://flapen.com/research/us/appliances/psychrometer/search-terms)

## **Top psychrometer 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.

0%4%$9K8%$18K12%$27K16%$36K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Fieldpiece PRH2 Digital Psychomotor](https://m.media-amazon.com/images/I/21kobGOKr2L.jpg)**Fieldpiece PRH2 Digital Psychomotor**Fieldpiece**$89.67**4.6★712 rev](https://www.amazon.com/dp/B0087SD43W) [2![Fieldpiece JL3RH Job Link System Flex HVACR Wireless Psychrometer Probe 1000 ft Bluetooth Range with Flexible Wand - Supply/Return Switch - Water-Resistant - HVAC Diagnostic Tool](https://m.media-amazon.com/images/I/31NAL9wIimL.jpg)**Fieldpiece JL3RH Job Link System Flex HVACR Wireless Psychrometer Probe 1000 ft Bluetooth Range with Flexible Wand - Supply/Return Switch - Water-Resistant - HVAC Diagnostic Tool**Fieldpiece**$152.46**4.8★791 rev](https://www.amazon.com/dp/B07DNJ1YFJ) [3![Digital Psychrometer Thermometer Hygrometer with Backlight ERAY Temperature and Humidity Reader Meter Thermo-Hygrometer with Dew Point and Wet Bulb Temperature 9V Battery Included(Yellow)](https://m.media-amazon.com/images/I/51HCF4b9+8L.jpg)**Digital Psychrometer Thermometer Hygrometer with Backlight ERAY Temperature and Humidity Reader Meter Thermo-Hygrometer with Dew Point and Wet Bulb Temperature 9V Battery Included(Yellow)**ERAY**$23.93**4.4★931 rev](https://www.amazon.com/dp/B01FGV28E8) [4![Protmex PT6508 Temperature Humidity Meter - Wet Bulb for Indoor/Outdoor](https://m.media-amazon.com/images/I/41Hw9jiEueL.jpg)**Protmex PT6508 Temperature Humidity Meter - Wet Bulb for Indoor/Outdoor**Protmex**$53.25**4.6★768 rev](https://www.amazon.com/dp/B017NF1POE) [5![HT607 Temperature Humidity Meter - Large LCD Backlight with Cover Protector](https://m.media-amazon.com/images/I/41OxldM1yuL.jpg)**HT607 Temperature Humidity Meter - Large LCD Backlight with Cover Protector**Protmex**$33.59**4.5★1,102 rev](https://www.amazon.com/dp/B0BD7NQG2J)

**~~View all top sellers →~~**

### **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](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**BOBOVAV**$20.95**17 rev3mo ago](https://www.amazon.com/dp/B0GVY64PY9) [![SQECH Temperature Humidity Meter Digital Hygrometer Psychrometer HVAC](https://m.media-amazon.com/images/I/41AICsn0j-L.jpg)**SQECH Temperature Humidity Meter Digital Hygrometer Psychrometer HVAC**SQECH**$29.28**59 rev7mo ago](https://www.amazon.com/dp/B0G4VXFMKG) [![Temperature Humidity Meter High Precision Digital Psychrometer Hygrometer with Dew Point Wet Bulb Thermometer for Indoor Outdoor 99 Data Storage Temp Alarm Backlight MAX/MIN Auto Shutdown](https://m.media-amazon.com/images/I/41kUpJ-frWL.jpg)**Temperature Humidity Meter High Precision Digital Psychrometer Hygrometer with Dew Point Wet Bulb Thermometer for Indoor Outdoor 99 Data Storage Temp Alarm Backlight MAX/MIN Auto Shutdown**Instrodots**$52.43**4 rev8mo ago](https://www.amazon.com/dp/B0FWBT19T3) [![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**Instrodots**$28.49**95 rev1y ago](https://www.amazon.com/dp/B0F4X49P6P) [![NAVAC NSH1 Bluetooth Psychrometer with Digital Display - HVAC Humidity & Temperature Diagnostics High Accuracy Sensor - One Button Operation Easy Switch Knob Rechargeable Battery - App Ready 7.8 oz](https://m.media-amazon.com/images/I/31DsCgiok8L.jpg)**NAVAC NSH1 Bluetooth Psychrometer with Digital Display - HVAC Humidity & Temperature Diagnostics High Accuracy Sensor - One Button Operation Easy Switch Knob Rechargeable Battery - App Ready 7.8 oz**NAVAC**$142.34**5 rev1y ago](https://www.amazon.com/dp/B0F3G45B86)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![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**BOBOVAV**$20.95**4.1★**▲ 147%**](https://www.amazon.com/dp/B0GVY64PY9) [![SQECH Temperature Humidity Meter Digital Hygrometer Psychrometer HVAC](https://m.media-amazon.com/images/I/41AICsn0j-L.jpg)**SQECH Temperature Humidity Meter Digital Hygrometer Psychrometer HVAC**SQECH**$29.28**4.1★**▲ 94%**](https://www.amazon.com/dp/B0G4VXFMKG) [![ERAY Digital Psychrometer Thermometer Hygrometer with Backlight](https://m.media-amazon.com/images/I/41TDl3ojcHL.jpg)**ERAY Digital Psychrometer Thermometer Hygrometer with Backlight**ERAY**$23.65**4.4★**▲ 84%**](https://www.amazon.com/dp/B0DZ2BJZRT) [![Temperature Humidity Meter High Precision Digital Psychrometer Hygrometer with Dew Point Wet Bulb Thermometer for Indoor Outdoor 99 Data Storage Temp Alarm Backlight MAX/MIN Auto Shutdown](https://m.media-amazon.com/images/I/41kUpJ-frWL.jpg)**Temperature Humidity Meter High Precision Digital Psychrometer Hygrometer with Dew Point Wet Bulb Thermometer for Indoor Outdoor 99 Data Storage Temp Alarm Backlight MAX/MIN Auto Shutdown**Instrodots**$52.43**4.5★**▲ 79%**](https://www.amazon.com/dp/B0FWBT19T3) [![NAVAC NSH1 Bluetooth Psychrometer with Digital Display - HVAC Humidity & Temperature Diagnostics High Accuracy Sensor - One Button Operation Easy Switch Knob Rechargeable Battery - App Ready 7.8 oz](https://m.media-amazon.com/images/I/31DsCgiok8L.jpg)**NAVAC NSH1 Bluetooth Psychrometer with Digital Display - HVAC Humidity & Temperature Diagnostics High Accuracy Sensor - One Button Operation Easy Switch Knob Rechargeable Battery - App Ready 7.8 oz**NAVAC**$142.34**3.9★**▲ 42%**](https://www.amazon.com/dp/B0F3G45B86)

**~~View all trending →~~**

## **What buyers say about psychrometer**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Ease Of Use**17%

*“Easy to Use”*

**Quality-Overall**17%

*“Amazing quality”*

**Measurement/Reading Accuracy**9%

*“Fast and Accurate”*

**Advertised Vs Actual Product**9%

*“As advertised”*

**Value For Money**7%

*“worth it”*

**Humidification**5%

*“This temperature and humidity meter works great and provides quick, accurate readings”*

**Connectivity-Overall**4%

*“works ok connects to the app”*

**Brightness/Shine/Glow**4%

*“The display is bright with a color backlight that's easy to read in dim lighting”*

**Material Quality**2%

*“The outer green part of the case is soft”*

**Compatibility-Overall**2%

*“Works great with Joblink app”*

### **What buyers complain about **

**Measurement/Reading Accuracy**18%

*“Incorrect reading”*

**Durability**13%

*“Broke after a month”*

**Quality-Overall**9%

*“Poor quality”*

**Battery Life**9%

*“The hardware cant even get its battery percentage right”*

**Functionality-Overall**8%

*“now does not function”*

**Value For Money**8%

*“price point a little high”*

**Defective Material/Parts**7%

*“Came defective”*

**Size-Overall**3%

*“this thing is fairly large”*

**Display-Overall**3%

*“on has an unreadable display”*

**Touch/Button Controls**1%

*“No button to zero it out”*

### **Top return reasons **

**Measurement/Reading Accuracy**18%

**Functionality-Overall**16%

**Defective Material/Parts**9%

**Size-Overall**9%

**Heating**8%

**Battery Inclusion**6%

**Value For Money**6%

**Advertised Vs Actual Product**6%

**Display-Overall**4%

**Product Condition**2%

## **Common questions**

<dl>

<dt>**Is psychrometer profitable to sell on Amazon United States?**</dt><dd>The niche generates $224K/yr across 21 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +82.3%. Flapen's verdict: Worth a look (58/100).</dd>

<dt>**How competitive is the psychrometer niche?**</dt><dd>13 brands and 59 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 77% of demand.</dd>

<dt>**What do buyers complain about in psychrometer?**</dt><dd>Top complaints mined from reviews: Measurement/Reading Accuracy, Durability, Quality-Overall. The return rate is 1.0%.</dd>

<dt>**When does demand for psychrometer peak?**</dt><dd>Demand peaks in Jun–Jul–Aug–Sep; the busiest month runs 4.2× the quietest.</dd>

<dt>**What does it cost to enter the psychrometer niche?**</dt><dd>Listings span $15.26–$756.99; the average listing price is $87.49 (sweet spot $15–$100). The average incumbent carries 918 reviews — the moat a new listing must climb.</dd>

</dl>

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