A gauge-and-flow-meter machine for vacuum and intake leaks. The listing gives no warranty.
Amazon $109.99
A low-cost digital-gauge machine for occasional DIY use. Its run-time limit makes it a poor fit for a busy shop.
- DigitalGauge
- Built-in pumpAir
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
- Digital gauge with a leak alarm for under $100
- Air, pressure-hold and smoke modes
- Runs 20 minutes at most before a 15-minute cool-down
- No published pressure or EVAP setting
- Listing gives two different warranty terms
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | ZYH-SMT108D |
|---|---|
| Pressure and smoke | |
| Smoke output | 30 L/min |
| Pressure display | Digital |
| Air-only mode | Yes |
| Power and fluid | |
| Air source | Built-in pump |
| Fluid included | Yes |
Alternatives in this type
A gauge-and-flow-meter machine with a longer warranty than most imports. It costs more than similar models.
Amazon $269.99Compare
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