Kestrel
Kestrel 3500 Weather Meter
$209
Best Anemometers · head-to-head
Kestrel 3500 Weather Meter vs UNI-T UT363 Wind Speed and Temperature Meter
A sourced, side-by-side comparison. Kestrel 3500 Weather Meter is cheaper at $209. Every spec and price links to its source.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Kestrel 3500 Weather Meter |  UNI-T UT363 Wind Speed and Temperature Meter |
|---|---|---|
| US price | $209 | — |
| Brand | Kestrel | UNI-T |
| Released | — | — |
| Wind speed range ms | 0.6 to 40.0 m/s (1.3-89.5 mph); operational to 60.0 m/s | 0 to 30 m/s |
| Airflow cfm cmm | — | — |
| Velocity accuracy | Larger of ±3% of reading or 20 ft/min | ±(5% of reading + 0.5 digit) |
| Sensor type | Rotating vane (impeller) | Fixed rotating-vane head, typical of the UT36x series (not explicitly named on the manufacturer spec sheet) |
| Temperature range | -10 to 55 °C (14 to 131 °F), ±0.5 °C accuracy | -10 to 50 °C (14 to 122 °F), ±2 °C / ±4 °F accuracy |
| 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 | Data hold only; no onboard logging (the separate UT363BT variant adds Bluetooth transmission to the iENV app, still no SD storage) |
| Backlit display | Yes | Yes |
Sources — Kestrel 3500 Weather Meter: kestrelinstruments.com (verified 2026-08-09). UNI-T UT363 Wind Speed and Temperature Meter: meters.uni-trend.com (verified 2026-08-09).
What's the difference between the Kestrel 3500 Weather Meter and UNI-T UT363 Wind Speed and Temperature Meter?
Where the two actually differ on the specs we track (5 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 UNI-T UT363 Wind Speed and Temperature Meter 0 to 30 m/s
- Velocity accuracy: Kestrel 3500 Weather Meter Larger of ±3% of reading or 20 ft/min vs UNI-T UT363 Wind Speed and Temperature Meter ±(5% of reading + 0.5 digit)
- Sensor type: Kestrel 3500 Weather Meter Rotating vane (impeller) vs UNI-T UT363 Wind Speed and Temperature Meter Fixed rotating-vane head, typical of the UT36x series (not explicitly named on the manufacturer spec sheet)
- Temperature range: Kestrel 3500 Weather Meter -10 to 55 °C (14 to 131 °F), ±0.5 °C accuracy vs UNI-T UT363 Wind Speed and Temperature Meter -10 to 50 °C (14 to 122 °F), ±2 °C / ±4 °F accuracy
- 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 UNI-T UT363 Wind Speed and Temperature Meter Data hold only; no onboard logging (the separate UT363BT variant adds Bluetooth transmission to the iENV app, still no SD storage)