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| Brand | R.M. Young |
|---|---|
| Origin | USA |
| Model | 41502 |
| Material | UV-stabilized white thermoplastic housing, anodized aluminum support frame, stainless steel mounting hardware |
| Dimensions | 20 cm (diameter) × 33 cm (height) |
| Net Weight | 1.1 kg |
| Shipping Weight | ~2.7 kg |
| Power Supply | 12–14 VDC @ 500 mA |
| Airflow Rate | 5–11 m/s (16–35 ft/s), dependent on sensor power draw |
| Radiative Error (Temperature) | ≤0.2 °C RMS at 1000 W/m² solar irradiance |
| Delta-T Error | ≤0.05 °C RMS under identical shielding exposure |
| Fan Lifetime | >80,000 hours continuous operation at 25°C |
| Sensor Compatibility | RTD-based temperature probes (e.g., 41342), combined RH/T probes (e.g., 41382) |
| Output Options | 4–20 mA or 0–1 VDC |
| Operating Environment | Outdoor, all-weather, low-wind-speed microclimates |
| Brand | R.M. Young |
|---|---|
| Origin | USA |
| Model | 41342 |
| Measurement Range | −50 to +50 °C |
| Accuracy (at 0 °C) | ±0.3 °C (standard), ±0.1 °C (optional) |
| Time Constant | 42 s (with 43408 radiation shield) |
| Sensor Type | 1000 Ω Pt RTD, 4-wire configuration |
| Output Options | Resistance (41342), 0–1 VDC (41342VC), 4–20 mA (41342LC) |
| Calibration | Selectable °C or °F |
| Recommended Radiation Shield | 43502 (aspirated) or 41003P (multi-plate passive) |
| Recommended Cable | 2-pair shielded, 22 AWG (P/N 18641) |
| Brand | R.M. Young |
|---|---|
| Origin | USA |
| Model | 41342VC |
| Output Signal | 0–1 VDC |
| Sensor Type | Pt1000 RTD (4-wire) |
| Measurement Range | −50 to +50 °C |
| Accuracy @ 0 °C | ±0.3 °C (standard), ±0.1 °C (optional) |
| Time Constant | 42 s (with Model 43408 radiation shield) |
| Calibration Options | °C or °F |
| Enclosure | Weatherproof terminal housing |
| Recommended Radiation Shield | Model 43502 (aspirated) or Model 41003P (multi-plate passive) |
| Recommended Cable | 2-pair shielded, 22 AWG (e.g., Part #18641) |
| Brand | R.M. Young |
|---|---|
| Origin | USA |
| Model | 41003 |
| Dimensions | 12 cm (D) × 27 cm (H) |
| Weight (net) | 0.7 kg |
| Mounting | U-bolt clamp for masts up to 2 inches (50.8 mm) diameter |
| Sensor compatibility | 41003 — up to 16 mm diameter |
| Radiative error (at 1080 W/m² solar irradiance) | ≤0.4 °C RMS @ 3 m/s wind speed |
| Housing material | UV-stabilized white thermoplastic with high-reflectivity, low-thermal-conductivity disk |
| Compliance | Designed per WMO Guide to Meteorological Instruments and Methods of Observation (CIMO Guide), ISO 4690:2022 (Environmental monitoring — Performance requirements for radiation shields), ASTM D7237-21 (Standard Practice for Evaluation of Radiation Shields for Air Temperature Sensors) |
| Brand | RainWise |
|---|---|
| Origin | USA |
| Model | TWD |
| Temperature Range | 0–50 °C |
| Accuracy | ±0.15 °C |
| Resolution | 0.10 °C |
| Sensor Type | Precision Thermistor |
| Brand | Airmar |
|---|---|
| Origin | USA |
| Model | HT200 |
| Temperature Range | 0–30°C |
| Accuracy | ±0.3°C |
| Resolution | 0.01°C |
| Response Time | 0.15 s |
| Output Protocol | NMEA 2000® |
| Update Rate | 2 Hz |
| Supply Voltage | 9–50 VDC |
| Current Draw | ≤30 mA |
| Cable Length | 6 m |
| Housing Compatibility | P17, B17, SS577 |
| Mounting Hole Diameter | 51 mm |
| NMEA 2000 LEN | 1 |
| Weight (Bronze) | 1.3 kg |
| Weight (Stainless Steel) | 1.6 kg |
| Brand | Airmar |
|---|---|
| Origin | USA |
| Model | B17-HP |
| Temperature Accuracy | ±0.3°C |
| Temperature Resolution | 0.01°C |
| Response Time Constant | 5 s |
| Operating Temperature Range | 0–30°C |
| Supply Voltage | 6–28 VDC |
| Max Current Draw | 30 mA |
| Output Protocols | NMEA 0183 / NMEA 2000® |
| Output Sentence | YXMTW (NMEA 0183), PGN 130310 (NMEA 2000®) |
| Mounting Hole Diameter | 51 mm |
| Housing Material Options | Bronze, Stainless Steel, Plastic |
| Profile Height | 5 mm |
| Cable Length (Max) | 100 m |
| Weight | 1.3 kg |
| Brand | R.M. Young |
|---|---|
| Origin | USA |
| Model | 41342LC |
| Output Signal | 4–20 mA |
| Measurement Range | −50 to +50 °C |
| Accuracy (at 0 °C) | ±0.3 °C (±0.1 °C optional) |
| Time Constant | 42 s (with Model 43408 radiation shield) |
| Sensor Type | 1000 Ω Pt RTD (IEC 60751 Class B, standard |
| Enclosure | Weatherproof junction box |
| Calibration | Configurable for °C or °F output scaling |
| Recommended Radiation Shield | Model 43502 (aspirated) or Model 41003P (multi-plate passive) |
| Cable Recommendation | 2-pair shielded, 22 AWG (e.g., Part #18641) |
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