Kestrel
Kestrel 3500 Weather Meter
$209
Best Anemometers · head-to-head
Kestrel 3500 Weather Meter vs Proster Handheld Digital Anemometer
A sourced, side-by-side comparison. Proster Handheld Digital Anemometer is cheaper at $33.67. Every spec and price links to its source.
Proster
Proster Handheld Digital Anemometer
$33.67Cheaper
Which is better: the Kestrel 3500 Weather Meter or Proster Handheld Digital Anemometer?
On the specs we track, they're closely matched. The Proster Handheld Digital Anemometer is the cheaper at $33.67.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Kestrel 3500 Weather Meter | Proster Handheld Digital Anemometer |
|---|---|---|
| US price | $209 | $33.67 |
| Brand | Kestrel | Proster |
| Released | — | — |
| Wind speed range ms | 0.6 to 40.0 m/s (1.3-89.5 mph); operational to 60.0 m/s | 0.4 to 30 m/s (80-5900 ft/min) |
| Airflow cfm cmm | — | 0 to 99990 CFM and CMM |
| Velocity accuracy | Larger of ±3% of reading or 20 ft/min | — |
| Sensor type | Rotating vane (impeller) | Rotating vane |
| Temperature range | -10 to 55 °C (14 to 131 °F), ±0.5 °C accuracy | Displays temperature and wind chill, including sub-0°C readings; exact range not stated in surfaced sources |
| Data hold logging | No built-in logging on base 3500 (shows current/max/min/avg); optional USB/RS-232 PC interface cable sold separately for one-way data transfer | Reading hold; max/min for handheld or fixed measurement; no onboard logging |
| Backlit display | Yes | Yes |
Sources — Kestrel 3500 Weather Meter: kestrelinstruments.com (verified 2026-08-09). Proster Handheld Digital Anemometer: ebay.com (verified 2026-08-09).
What's the difference between the Kestrel 3500 Weather Meter and Proster Handheld Digital Anemometer?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- Wind speed range ms: Kestrel 3500 Weather Meter 0.6 to 40.0 m/s (1.3-89.5 mph); operational to 60.0 m/s vs Proster Handheld Digital Anemometer 0.4 to 30 m/s (80-5900 ft/min)
- Sensor type: Kestrel 3500 Weather Meter Rotating vane (impeller) vs Proster Handheld Digital Anemometer Rotating vane
- Temperature range: Kestrel 3500 Weather Meter -10 to 55 °C (14 to 131 °F), ±0.5 °C accuracy vs Proster Handheld Digital Anemometer Displays temperature and wind chill, including sub-0°C readings; exact range not stated in surfaced sources
- Data hold logging: Kestrel 3500 Weather Meter No built-in logging on base 3500 (shows current/max/min/avg); optional USB/RS-232 PC interface cable sold separately for one-way data transfer vs Proster Handheld Digital Anemometer Reading hold; max/min for handheld or fixed measurement; no onboard logging