micron gauge
Launch itA $921K/yr market growing +65.2% this quarter with returns at 4.7% — clears our launch bar.
Review moat
Great159.26avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Growth
Great+65.2%90-day search growth — must beat 0% to launch
Market size
Great$921K$921K/yr · 415K searches
Avg price
Good$108.88avg listing price — sweet spot $15–$100
Brand share
Good64%top-5 brand share — brands hold most of the demand
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Returns
Okay4.7%return rate — above 6% kills the launch gate
Price range
Okay$9.90–$258.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.0%search→purchase rate — share of searches ending in a sale
Competition
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.Brands
21 rising
Sellers
107
Top-5 brand share
64%
Open market
30%
- CPS17%
- Elitech16%
- Fieldpiece15%
- Super Stars8%
- Wisscool8%
- Rogvoc6%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 34 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Fieldpiece - HVACR Wireless Vacuum Gauge - MG44 - Quick Accurate Evacuations & Vacuum Readings - Job Link Compatible Long Range HVAC Tool
Fieldpiece$258.974.6★479 rev
CPS VG200 Digital Vacrometer Vacuum Gauge Measures Microns Millibar TORR Inches/HG Two Button Operation Automatic Temperature Compensation 5-digit LCD Display Padded Case T-Fitting and Hook
CPS$173.834.5★2,092 rev
Elitech VGW-Mini Wireless Digital Vacuum Gauge with Adaptor Rechargeable Pressure Tester Meter HVAC 0-19000 Micron Alarms via APP Offline Recording Temp Compensation 1/4 SAE
Elitech$137.793.7★131 rev
Super Stars Digital Micron Vacuum Gauge 1/4 inch SAE HVAC Pressure Tester with Alarm Temp Compensation LCD Backlit Display 4 Units Carrying Case Included
Super Stars$95.774.0★49 rev
testo 552i Wireless Digital Vacuum Probe - Vacuum Gauge for HVAC Systems with IP54 Protection 45 Service-Port Design - HVAC Tool for AC/R System Evacuation with Bluetooth and App
Testo$163.644.4★456 rev
Newest
by launch date
Digital Vacuum Gauge Pro HVAC Vacuum Gauge with Smart Evacuation & Leak Detection Torr/mbar/hPa/inHg 0.2% FS Accuracy Auto Calibration 3 LCD 7/16-20UNF(1/4 SAE)
YUANRI$67.667 rev
Digital Vacuum Gauge Tester HVAC 1/4 SAE HVAC Pressure Tester Meter Gauges 0.2% Accuracy & 0.01 Resolution Torr/mbar/inHg/Hpa 3 Backlit LCD Leak Test Alarm Auto Calibration & Temp Compensation
KAISAL$68.653 rev
Digital Vacuum Gauge HVAC Micron Gauge Tester 0-75000 Microns HVAC Vacuum Pressure Gauge with Audible Alarm 7/16-20 UNF 1/4 SAE Port Backlit LCD T-Connector&Extension Adapter for AC Refrigeration
Hybrilis$113.809 rev
ROGVOC Digital Vacuum Gauge HVAC Micron Vacuum Meter 1/4 inch SAE with Buzzer Alarm Pressure Tester for 4 Units LCD Backlit Display
Rogvoc$110.0812 rev
VIVOHOME Digital HVAC Manifold Gauge Refrigeration AC Gauge with Wired Temperature Clamp Probe for R134a R410a R32 R1234yf R454B Recharge Pressure Temp Test Leak Detection with Backlit LCD Carry Bag
VIVOHOME$71.394 rev
Trending
90-day click momentumDigital Vacuum Gauge Tester HVAC 1/4 SAE HVAC Pressure Tester Meter Gauges 0.2% Accuracy & 0.01 Resolution Torr/mbar/inHg/Hpa 3 Backlit LCD Leak Test Alarm Auto Calibration & Temp Compensation
KAISAL$68.655.0★
Digital Vacuum Gauge Pro HVAC Vacuum Gauge with Smart Evacuation & Leak Detection Torr/mbar/hPa/inHg 0.2% FS Accuracy Auto Calibration 3 LCD 7/16-20UNF(1/4 SAE)
YUANRI$67.664.7★
VIVOHOME Digital HVAC Manifold Gauge Refrigeration AC Gauge with Wired Temperature Clamp Probe for R134a R410a R32 R1234yf R454B Recharge Pressure Temp Test Leak Detection with Backlit LCD Carry Bag
VIVOHOME$71.394.7★
ROGVOC Digital Vacuum Gauge HVAC Micron Vacuum Meter 1/4 inch SAE with Buzzer Alarm Pressure Tester for 4 Units LCD Backlit Display
Rogvoc$110.084.9★
Digital Vacuum Gauge HVAC Micron Gauge Tester 0-75000 Microns HVAC Vacuum Pressure Gauge with Audible Alarm 7/16-20 UNF 1/4 SAE Port Backlit LCD T-Connector&Extension Adapter for AC Refrigeration
Hybrilis$113.803.9★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +65.2% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 2.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fair price fair quality”
“affordable”
“comes in handy”
“Highly accurate and incredibly reliable”
“the buzzer alarm adds convenience when monitoring pressure levels”
“This unit works as advertised”
“feels durable”
“there was no leakage”
“portability”
“The leak test function does work well”
What buyers complain about
“Leaks”
“This is not a precision gauge”
“Poor quality inspection”
“Doesnt hold vacuum”
“Don't bother with the cheap ones”
“Stopped working after 1 use”
“Item description misleading”
“does not working properly after 1 year pressure are off by 10 to 20”
“direction for use is roughly translated Chinese”
“The unit would not stay on - it kept turning off when you let go of the on/off button”