# Kestrel 3500 Weather Meter vs Proster Handheld Digital Anemometer: specs and price compared

A sourced, side-by-side comparison of the Kestrel 3500 Weather Meter (Kestrel) and Proster Handheld Digital Anemometer (Proster) among anemometers. Proster Handheld Digital Anemometer is the cheaper of the two at $33.67.

## Side by side

| Spec | Kestrel 3500 Weather Meter | Proster Handheld Digital Anemometer |
| --- | --- | --- |
| US price | $209 | $33.67 |
| Brand | Kestrel | Proster |
| 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 |

## Key differences

- 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

## Sources

- Kestrel 3500 Weather Meter: https://kestrelinstruments.com/kestrel-3500-pocket-weather-meter (kestrelinstruments.com, verified 2026-08-09)
- Proster Handheld Digital Anemometer: https://www.ebay.com/itm/358241845889 (ebay.com, verified 2026-08-09)

Canonical: https://frontdeskreview.com/gear/anemometers/kestrel-3500-weather-meter-vs-proster-handheld-anemometer/
Cite: Per The Front Desk Review, Kestrel 3500 Weather Meter ($209) vs Proster Handheld Digital Anemometer ($33.67) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/anemometers/kestrel-3500-weather-meter-vs-proster-handheld-anemometer/
License: CC BY 4.0.