Davis
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| Brand | Davis |
|---|---|
| Model | 6345 |
| Origin | USA |
| Instrument Type | Wireless Soil Moisture and Temperature Monitoring System |
| Operating Temperature (Host) | −40 °C to +65 °C |
| Storage Temperature | −45 °C to +70 °C |
| Power Supply | CR123A 3 V Li battery + 0.5 W solar panel |
| Battery Life | 8 months (no sun), up to 2 years (typical insolation) |
| Wireless Range | up to 300 m (line-of-sight), 75–150 m (obstructed) |
| Radio Frequency | 868.0–868.6 MHz, 8 channels, ~8 mW output |
| Soil Moisture Sensor (6440) | Resistive type, 0–200 cbar range, 1 cbar resolution, 4.6 m standard cable (extendable to 30 m) |
| Soil Temperature Sensor (6470) | Thermistor-based, −40 °C to +65 °C, ±0.5 °C accuracy, 1 °C resolution, 4.6 m standard cable (extendable to 244 m on 22 AWG) |
| Data Logging | Non-volatile RAM + optional SD card storage |
| Display | Backlit LCD console (151 × 86 mm active area) |
| Mounting Mast | 1 m galvanized steel tube, Ø33 mm |
| Host Dimensions | 158.75 × 57.15 × 200 mm |
| Host Weight | 0.49 kg (battery included, sensors excluded) |
| Console Dimensions | 270 × 156 × 41 mm |
| Console Weight | 0.85 kg (with batteries) |
| Software | WeatherLink v6.x (Windows/macOS), supports CSV export, time-series plotting, alarm thresholds, and multi-station aggregation |
| Brand | Davis |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 6440 |
| Instrument Type | Soil Water Potential (Tensiometric) Sensor |
| Sensor Principle | Electrical Resistance (Watermark® Technology) |
| Cable Length | 4.6 m (standard), up to 300 m (with 18 AWG UF cable) |
| Housing Dimensions | 22 mm Ø × 76 mm |
| Weight | 103 g |
| Output Resolution | 1 cbar |
| Measurement Range | 0–200 cbar |
| Update Interval | 62.5–75 s |
| Compatible Base Stations | Davis 6345 Wireless Soil & Leaf Wetness Station |
| System Integration | Vantage Pro and Vantage Pro2 Weather Stations |
| Cable Specification | Two-conductor, tinned, stripped Watermark®-compliant wire |
| Brand | Davis |
|---|---|
| Origin | USA |
| Model | 6464 |
| Resolution | 0.2 mm per tip |
| Accuracy | ±4% of total rainfall or ±1 tip (0.2 mm), whichever is greater |
| Sensor Type | Tipping bucket with reed switch |
| Cable | 4-conductor, 26 AWG, modular RJ-11 connector |
| Standard cable length | 12 m |
| Max extended cable length | 270 m |
| Housing material | UV-stabilized ABS plastic |
| Collection area | 214 cm² |
| Dimensions (rain collector) | Ø16.5 cm × H24 cm (excl. bird spike) |
| Weight | 1.0 kg |
| Mounting | Flat-surface installation |
| Compliance | WMO-recommended design principles |
| Compatible systems | Vantage Pro2, Weather Envoy, Vantage Connect, and all Davis ISS-compatible weather stations |
| Brand | Davis |
|---|---|
| Origin | USA |
| Model | 6466 |
| Sensor Type | Tipping Bucket |
| Resolution | 0.2 mm per Tip |
| Accuracy | ±4% of Total Rainfall or ±1 Tip (0.2 mm), whichever is greater |
| Cable Length | 12 m (standard), up to 270 m max |
| Cable Specification | 4-conductor, 26 AWG, modular RJ-11 connector |
| Housing Material | UV-stabilized ABS plastic |
| Collection Area | 214 cm² |
| Dimensions (rain gauge only) | Ø16.5 cm × H24 cm (excl. bird spike) |
| Weight | 1.8 kg |
| Mounting | Pole- or mast-mounted via integrated base |
| Brand | Davis |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrument |
| Model | 6470 |
| Instrument Type | Soil Temperature Sensor |
| Sensor Element | Precision Thermistor |
| Measurement Range | −40 to +65 °C |
| Accuracy | ±0.5 °C |
| Resolution | 1 °C (user-selectable) |
| Time Constant | 100 s (in air), 28 s (in liquid) |
| Cable Length | 4.6 m |
| Cable Gauge | 22 AWG, direct-burial rated, tin-plated conductors |
| Enclosure Material | 316 stainless steel body with epoxy encapsulation and vinyl strain relief |
| Probe Dimensions | 8 mm diameter × 64 mm length |
| Weight | 128 g |
| Output | Analog resistance (variable resistor), 2-wire configuration (black = common, white = signal) |
| Brand | Davis |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 7716 |
| Price | USD 1,300 (FOB USA) |
| Material | Hot-Dip Galvanized Steel Tubing |
| Overall Height | 1.77 m |
| Mast Height | 0.92 m |
| Base Dimensions (L×W×H) | 762 × 838 × 1320 mm |
| Mast Outer Diameter | 33 mm |
| Brand | Davis |
|---|---|
| Origin | USA |
| Model | Vantage Vue 6250 |
| Instrument Type | Portable Weather Station |
| Wireless Transmission Range | 300 m |
| Data Update Interval | 2.5–24 s (sensor-dependent) |
| Operating Temperature (ISS) | -40 to +65 °C |
| Power Source | Solar panel (0.5 W) + CR123A lithium battery (8-month backup) |
| Compliance | WMO observational standards |