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| Brand | TES |
|---|---|
| Origin | Taiwan |
| Model | TES-1350A |
| Measurement Range (A-weighted, LO) | 35–100 dB |
| Measurement Range (A-weighted, HI) | 65–130 dB |
| Measurement Range (C-weighted, LO) | 35–100 dB |
| Measurement Range (C-weighted, HI) | 65–130 dB |
| Frequency Range | 31.5 Hz – 8 kHz |
| Accuracy | ±2 dB |
| Resolution | 0.1 dB |
| Dynamic Range | 65 dB |
| Weighting Networks | A and C |
| Time Weighting | Fast & Slow |
| Max Hold Function | Yes |
| Microphone Type | Polarized Condenser |
| Calibration | Internal 94.0 dB Reference |
| AC Output | ~0.65 Vrms per range, 600 Ω impedance |
| DC Output | ~10 mV/dB (nominal), 100 Ω impedance |
| Operating Temperature | 0–40 °C, <80% RH |
| Storage Temperature | −10–60 °C, <70% RH |
| Display | 3½-digit LCD |
| Power Supply | 1 × 9 V battery |
| Dimensions | 240 × 68 × 25 mm |
| Weight | 215 g |
| Accessories | Carrying case, test rod, 9 V battery, instruction manual, windscreen |
| Brand | TES |
|---|---|
| Origin | Taiwan |
| Model | AVM-305 |
| Wind Speed Range | 0.0–45.0 m/s (0.0–100.0 mph, 0.0–88.0 knots, 0.0–160.0 km/h, 0.0–8800 ft/min) |
| Resolution | 0.01 m/s (selectable units) |
| Accuracy | ±3% ±0.2 m/s (threshold: 0.3 m/s) |
| Air Temperature Range | –5.0–60.0 °C / 32.0–140.0 °F |
| Temp Accuracy | ±1.0 °C / ±1.8 °F |
| Display | 4-digit LCD |
| Power | 2 × 1.5 V AA batteries (6 mA typical, ~200 h life) |
| Operating Temp | 0–50 °C (instrument), 0–60 °C (vane probe) |
| Humidity | <80% RH |
| Pressure Range | 500 mbar–2 bar |
| Dimensions (meter) | 78 × 130 × 40 mm |
| Dimensions (vane) | 66 × 132 × 29.2 mm |
| Weight | 250 g (with batteries) |
| Mounting | 1/4″–20 threaded port |
| Compliance | CE-marked, RoHS-compliant |
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