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| Brand | Gill |
|---|---|
| Origin | United Kingdom |
| Model | Metpak |
| Instrument Type | Portable Weather Station |
| Enclosure Rating | IP65 |
| Operating Temperature | −35 °C to +70 °C |
| Power Supply | 5–30 V DC (<16 mA @ 12 V, 1 Hz output) |
| Wind Measurement | Ultrasonic (no moving parts) |
| Wind Speed Range | 0–60 m/s |
| Wind Direction Range | 0–359° |
| Wind Accuracy | ±2% @ 12 m/s (speed), ±3° @ 12 m/s (direction) |
| Air Temperature Sensor | Pt100 1/3 Class B |
| Temp Range | −35 °C to +70 °C |
| Temp Accuracy | ±0.1 °C |
| Relative Humidity Sensor | Rotronic HygroClip HC2-53 |
| RH Range | 0–100% RH |
| RH Accuracy | ±0.8% RH @ 23 °C |
| Barometric Pressure Sensor | High-precision capacitive |
| Pressure Range | 600–1100 hPa |
| Pressure Accuracy | ±0.5 hPa |
| Dew Point Accuracy | ±0.15 °C (at 23 °C ambient, 20 °C dew point) |
| Output Protocols | ASCII, NMEA 0183, SDI-12 v1.3, Modbus RTU/ASCII |
| Communication Interfaces | RS232, RS422, RS485 (2-wire), SDI-12 |
| Baud Rates | 4800–57600 (ASCII), 1200 (SDI-12) |
| Data Update Intervals | 1 s, 2 s, 4 s, or polled |
| Mounting | Anodized aluminum U-bracket for vertical masts Ø30–58 mm |
| Weight | 2.1 kg (including bracket) |
| Materials | UV-stabilized white engineering plastic housing, anodized aluminum mounting hardware |
| Brand | GILL |
|---|---|
| Origin | United Kingdom |
| Model | MetPak Pro |
| Instrument Type | Portable Weather Station |
| Enclosure Rating | IP65 |
| Operating Temperature | −35°C to +70°C |
| Power Supply | 5–30 VDC (<26 mA @12 V, 1 Hz output) |
| Communication Interfaces | RS232 / RS422 / RS485 (2-wire) / SDI-12 (user-selectable) |
| Output Protocols | ASCII, SDI-12 v1.3, NMEA 0183, Modbus RTU/ASCII |
| Data Logging Interval | 1 s / 2 s / 4 s / polled mode |
| Analog Inputs | 2 channels (0–5 V, 4–20 mA, or self-powered) |
| PT100 Input | 4-wire, IEC 60751 Class B compliant |
| Digital Input | Reed-switch or contact-closure for tipping-bucket rain gauge (up to 10 Hz) |
| ADC Resolution | 12-bit, ±0.1% of reading + 35 µV offset compensation |
| Wind Measurement | Ultrasonic (GILL WindSonic), 0–60 m/s, 0–359°, ±2% @12 m/s (wind speed), ±3° @12 m/s (wind direction), resolution 0.01 m/s / 1° |
| Air Temperature | Pt100, −35°C to +70°C, ±0.1°C accuracy, 0.1°C resolution |
| Relative Humidity | Rotronic HygroClip probe, 0–100% RH, ±0.8% RH @23°C, 0.1% RH resolution |
| Atmospheric Pressure | Barometric sensor, 600–1100 hPa, ±0.5 hPa, 0.1 hPa resolution |
| Dew Point Temperature | Calculated, ±0.15°C accuracy @23°C ambient / 20°C dew point, 0.1°C resolution |
| Brand | Vaisala |
|---|---|
| Origin | Finland |
| Model | WXT534 |
| Instrument Type | Portable Weather Station |
| Temperature Range | −52 to +60 °C |
| Relative Humidity Range | 0–100 %RH |
| Atmospheric Pressure Range | 600–1100 hPa |
| Temp. Resolution | 0.1 °C |
| RH Resolution | 0.1 %RH |
| Pressure Resolution | 0.1 hPa |
| Temp. Accuracy | ±0.3 °C @ 20 °C |
| RH Accuracy | ±3 %RH (0–90 %RH), ±5 %RH (90–100 %RH) |
| Pressure Accuracy | ±0.5 hPa (0–30 °C) |
| Output Options | SDI-12 v1.3, RS-232, RS-485, RS-422 |
| Communication Protocols | ASCII auto/polling, NMEA 0183 v3.0 |
| Power Supply | 6–24 VDC |
| Avg. Current Consumption | 0.1 mA (SDI-12 standby), 3 mA (typical, default interval), 15 mA (max, continuous measurement) |
| Heater Supply | 12–24 VDC / 12–17 VAC |
| Heater Current | 0.8 A @ 12 VDC, 0.4 A @ 24 VAC |
| Enclosure Rating | IP65 (without mounting adapter), IP66 (with mounting adapter) |
| Operating Temp. | −52 to +60 °C |
| Storage Temp. | −60 to +70 °C |
| Weight | <1.2 kg |
| Dimensions | Ø140 × 200 mm |
| Brand | Gill |
|---|---|
| Origin | United Kingdom |
| Model | GMX500 |
| Type | Portable Weather Station |
| Compliance | WMO-compliant measurement architecture |
| Sensor Technology | Ultrasonic wind sensing, passive ventilated radiation shield, integrated barometric/thermohygrometric module |
| Communication Interfaces | RS-232 / RS-422 / RS-485 (ASCII), SDI-12, NMEA 0183, MODBUS RTU, optional analog outputs |
| Optional Modules | GPS receiver (for true wind calculation, georeferenced timestamping, sunrise/sunset, solar position, MSL pressure correction) |
| Brand | RainWise |
|---|---|
| Origin | USA |
| Model | PVmet 330 |
| Sensor Types | Global Solar Irradiance, PV Module Backsheet Temperature (up to 2), Air Temperature, Relative Humidity, Barometric Pressure, Wind Speed & Direction, Precipitation |
| Communication | RS-485 Modbus RTU (standard), Optional Modbus TCP over Ethernet |
| Compliance | SunSpec Certified |
| Operating Temperature | -40 °C to +60 °C |
| Power Supply | 10–30 VDC, 50 mA |
| Enclosure Materials | PVC, ABS, Anodized Aluminum, Stainless Steel, Polycarbonate (LEXAN®/Makrolon® 2658) |
| Weight | 9.07 kg |
| Dimensions (L×W×H) | 91.44 × 50.8 × 33.02 cm |
| Brand | RainWise |
|---|---|
| Origin | USA |
| Model | MK-III-LR |
| Instrument Type | Portable Weather Station |
| Wireless Frequency | 2.4 GHz ISM Band |
| Max Line-of-Sight Transmission Distance | 1600 m |
| Wind Speed Range | 0–67 m/s |
| Wind Speed Accuracy | ±2% FS |
| Wind Direction Accuracy | ±3° |
| Temperature Range | −54 to +74 °C |
| Temp Accuracy | ±0.5 °C |
| Relative Humidity Range | 0–100% RH |
| RH Accuracy | ±2% (−40 to +85 °C) |
| Barometric Pressure Range | 300–1100 hPa |
| Pressure Accuracy | ±0.5 hPa @ 25 °C (temp-compensated) |
| Rainfall Resolution | 0.25 mm |
| Solar-Powered Battery Runtime | 60 days without sunlight |
| NIST-Traceable Calibration | Yes |
| Enclosure Materials | Stainless steel, fiberglass, UV-stabilized PVC |
| Mounting Options | Tripod or Mono mounting bracket |
| Compliance | FCC Part 15, IC RSS-247, CE RED Directive (EU variant) |
| Brand | AIRMAR |
|---|---|
| Origin | USA |
| Model | 110WXS |
| Type | Portable Weather Station |
| Measurement Principle | Ultrasonic Wind Sensing, Capacitive Humidity & Thermistor Temperature Sensing, Piezoresistive Barometric Pressure Sensing |
| Communication Interface | RS-232 or RS-422 |
| Compliance | IP66 Enclosure Rating, NEMA 4X Equivalent |
| Operating Temperature Range | –40 °C to +70 °C |
| Power Supply | 9–36 V DC |
| Dimensions | 24.1 × 15.2 × 12.7 cm (L×W×H) |
| Weight | 1.8 kg |
| Brand | NK |
|---|---|
| Origin | USA |
| Model | Kestrel 5400AG |
| Instrument Type | Handheld Weather Station |
| IP Rating | IP67 (Dust-tight & Waterproof to 1m for 30 min) |
| Power | Single AA battery (alkaline or lithium) |
| Display | High-resolution, dual-color backlight LCD |
| Data Logging Capacity | >10,000 timestamped records |
| Wireless Connectivity | Bluetooth Low Energy (BLE) via Kestrel LiNK iOS/Android app |
| PC Connectivity | USB cable or optional Kestrel LiNK Dongle (Windows/macOS) |
| Compliance | Meets ASTM E1982-22 (Standard Guide for Assessing Heat Stress in Livestock), ISO 7243 (Hot Environments — Estimation of the Heat Stress on Working Man), and ASABE EP470.4 (Environmental Stress Indices for Cattle) |
| Brand | RainWise |
|---|---|
| Origin | USA |
| Model | EDL-WS |
| Instrument Type | Portable Weather Station |
| Data Logger Memory Options | 128K / 256K / 512K / 1M (up to 2M optional) |
| Power Supply | 6 VDC, AC/DC adapter or solar panel compatible |
| Display | 2-line × 16-character LCD |
| Communication Interface | RS232 standard, optional Ethernet, GPRS/CDMA, or wireless modules |
| Sampling Interval | 1, 5, 10, 15, 20, 30, or 60 minutes |
| Input Channels | 8 single-ended or 4 differential analog inputs + 3 digital inputs |
| Output Options | RS232, optional 4–20 mA or 0–1 V analog outputs |
| Real-Time Clock | Integrated, battery-backed |
| Backup Battery Life | 10 years |
| Dimensions (Data Logger) | 19.5 × 10 × 4 cm |
| Enclosure Rating | IP67 (Monopod mounting bracket) |
| Brand | RainWise |
|---|---|
| Origin | USA |
| Model | PVmet75 |
| Instrument Type | PV-Specific Meteorological Monitoring System |
| Communication Interface | RS-485 Modbus RTU (standard), optional Modbus TCP via Ethernet |
| Solar Irradiance Range | 0–1750 W/m², Accuracy: ±5%, Resolution: 1 W/m² |
| Cosine Response Error | ±1% at 45°, ±5% at 75° |
| Air Temperature Range | −40 to +80 °C, Accuracy: ±0.3 °C, Resolution: 0.1 °C, Thermal Time Constant: 30 s |
| Backsheet Temperature Range | −40 to +80 °C, Accuracy: ±0.3 °C, Resolution: 0.1 °C, Thermal Time Constant: 270 s |
| Operating Ambient | −40 to +60 °C, 0–100% RH |
| Power Supply | 10–30 VDC, 50 mA |
| Cable Length | 7.62 m |
| Enclosure Materials | PVC, ABS, Anodized Aluminum, Stainless Steel, LEXAN®, Makrolon® 2658 |
| Dimensions (L×W×H) | 58.42 × 25.4 × 20.32 cm |
| Weight | 2.26 kg |
| Brand | GILL |
|---|---|
| Origin | United Kingdom |
| Model | MetPak Base |
| Instrument Type | Portable Weather Station |
| Output Interfaces | SDI-12, RS-232, RS-422 |
| Power Consumption | Low-power design for remote deployment |
| Housing | Ventilated radiation shield with triple-layer double-louvered enclosure for temperature/humidity sensors |
| Pressure Sensor Mounting | Internally housed in ventilated enclosure |
| Optional Accessories | Heated junction box for integration with heated anemometers (e.g., WindSonic, WindObserver 70, WindMaster, WindMaster Pro) |
| Mounting | Integrated mounting bracket with terminal-equipped electrical junction box |
| Compliance | Designed to meet WMO guidance for natural aspiration and solar radiation shielding |
| Discontinued Status | Yes — legacy model, superseded by MetPak Pro series |
| Brand | NK |
|---|---|
| Origin | USA |
| Model | NK4400 |
| Instrument Type | Handheld Weather Station |
| IP Rating | IP67 (Submersible to 1 m for 30 min) |
| Drop Tested | MIL-STD-810F |
| Display | Backlit LCD (Blue/White) |
| Power | CR2032 Coin Cell Battery |
| Certifications | CE, RoHS, NIST-Traceable Calibration Documentation Included |
| Key Measurements | Wind Speed (m/s, mph, knots, km/h), Relative Humidity (%RH), Dew Point Temperature (°C/°F), Heat Stress Index (WBGT — Wet-Bulb Globe Temperature equivalent), Wind Chill Temperature (°C/°F) |
| Brand | NK |
|---|---|
| Origin | USA |
| Model | Kestrel 3500NV |
| Instrument Type | Handheld Weather Station |
| IP Rating | IP67 |
| Drop Tested | MIL-STD-810G |
| Display | High-contrast monochrome LCD |
| Backlight | Night-Vision (NV) optimized red-orange spectral filter |
| Power | 1× CR2032 battery |
| Sensors | Proprietary external-isolation temperature sensor, capacitive humidity sensor, impeller-based anemometer, piezoresistive barometric pressure sensor |
| Brand | RainWise |
|---|---|
| Origin | USA |
| Model | AgroMET-MB |
| Instrument Type | Portable Weather Station |
| Communication Protocol | Modbus RTU (RS-422/RS-485) |
| Power Supply | 6 V 5 Ah AGM Sealed Lead-Acid Battery + 0.6 W Solar Panel |
| Operating Temperature | −55 to +85 °C |
| Enclosure Materials | PVC, ABS, Anodized Aluminum, Stainless Steel, Polycarbonate (LEXAN®/Makrolon® 2658) |
| Brand | RainWise |
|---|---|
| Origin | USA |
| Model | MK-III-RTI-MB |
| Instrument Type | Portable Weather Station |
| Communication Protocol | Modbus RTU over RS-485 |
| Certifications | NIST-traceable sensor options available |
| Power Options | DC input (12–24 VDC), optional solar-powered variant (MK-III-RTI-MBS) |
| Enclosure Material | UV-stabilized polymer housing with stainless steel mounting hardware |
| Operating Temperature Range | –40 °C to +60 °C |
| IP Rating | IP66 |
| Warranty | 1 year standard, extendable to 2 years |
| Brand | Gill |
|---|---|
| Origin | United Kingdom |
| Model | GMX400 |
| Instrument Type | Portable Weather Station |
| Enclosure | UV-stabilized, naturally ventilated triple-louvered radiation shield |
| Temperature/Humidity/Pressure Sensor | Integrated solid-state module |
| Rain Measurement | Optical rain sensor (0.08 mm resolution, heater-equipped) |
| Output Protocols | RS-232/422/485 (ASCII), SDI-12, NMEA 0183, MODBUS RTU, analog (optional) |
| Environmental Rating | IP66 |
| Compliance | CE, UKCA, RoHS |
| Power Supply | 6–30 VDC |
| Operating Temperature | −40 °C to +70 °C |
| Brand | Davis (USA) |
|---|---|
| Origin | USA |
| Model | Vantage Pro2 6152 |
| Type | Portable Wireless Weather Station |
| Power | Solar + CR-123A Li battery (8-month backup) / AC adapter |
| Data Logging | Flash memory (non-volatile) |
| Wireless Range | Up to 165 m (line-of-sight) |
| Operating Temp | –40°C to +65°C |
| Compliance | FCC Part 15, IC RSS-210, RoHS |
| Brand | RainWise |
|---|---|
| Origin | USA |
| Model | PortLog |
| Instrument Type | Portable Weather Station |
| Power | 3 W solar panel + 4 Ah sealed lead-acid battery |
| Data Storage | Non-volatile memory (standard: 9 months at 1-hr interval |
| Data Output | CSV format |
| Communication | RS-232 (USB adapter optional) |
| Sensor Traceability | NIST-traceable |
| Compliance | Designed for field-deployable environmental monitoring per ASTM D5098, ISO 16487, and US EPA Guidance for Ambient Air Monitoring Systems |
| Brand | AIRMAR |
|---|---|
| Origin | USA |
| Model | 150WXS |
| Instrument Type | Portable Weather Station |
| Output Interface | RS232 / RS422 |
| GPS Update Rate | 10 Hz |
| Compass Accuracy | <1° |
| Enclosure Rating | IP66 |
| Operating Temperature Range | -30°C to +70°C |
| Wind Measurement Principle | Ultrasonic Time-of-Flight |
| Temperature & Humidity Shield | Integrated Solar Radiation Shield |
| Data Output Frequency | Up to 4 Hz for meteorological parameters |
| Brand | RainWise |
|---|---|
| Origin | USA |
| Model | PVmet 500 |
| Sensor Types | Air Temperature, Relative Humidity, Barometric Pressure, Global Horizontal Irradiance (GHI), Plane-of-Array Irradiance (POA), Reflected Irradiance, Backsheet Temperature (×3), Wind Speed & Direction, Precipitation |
| Communication | MODBUS RTU over RS-485/422, SunSpec Compliant |
| Operating Temperature | −40 °C to +60 °C |
| Power Supply | 10–30 VDC, 50 mA |
| Enclosure Materials | PVC, ABS, Anodized Aluminum, Stainless Steel, Polycarbonate (LEXAN®, Makrolon® 2658) |
| IP Rating | IP65 (sensor assembly), IP67 (junction box) |
| Cable Length | 7.62 m |
| Weight | 3.17 kg |
| Dimensions (packaging) | 73.99 × 35.56 × 20.32 cm |
| Brand | Airmar |
|---|---|
| Origin | USA |
| Model | 150WX |
| Instrument Type | Portable Weather Station |
| Output Interfaces | RS232, RS422 (NMEA 0183), CAN Bus (NMEA 2000) |
| Environmental Rating | IPX6 (IPX4 with humidity sensor installed) |
| Power Supply | 9–40 VDC |
| Integrated Sensors | Ultrasonic wind (speed/direction), 10 Hz GPS, solid-state compass, 3-axis accelerometer, barometric pressure, air temperature, optional replaceable relative humidity sensor |
| Wind Data Output | True wind, apparent wind, gust statistics (raw 10 Hz wind samples) |
| Mounting | 1"-14 UNS or ½" NPT thread |
| Brand | Airmar |
|---|---|
| Origin | USA |
| Model | 220WXH |
| Instrument Type | Portable Weather Station |
| Enclosure Rating | IPX6 |
| Wind Measurement Principle | Ultrasonic Anemometry |
| GPS Update Rate | 10 Hz |
| Heading Accuracy | <1° (dynamic stabilized) |
| Power | 12–36 VDC |
| Output Protocols | NMEA 0183 (RS422/RS232) |
| Heating System | Integrated thermostatically controlled heater |
| Operating Temperature Range (heated) | –30°C to +55°C |
| Dimensions | 203 × 127 mm (diameter × height) |
| Weight | 1.36 kg |
| Brand | Airmar |
|---|---|
| Origin | USA |
| Model | 110WX |
| Instrument Type | Portable Weather Station |
| Enclosure Rating | IPX6 |
| Communication Protocols | NMEA 0183 (RS232/RS422) and NMEA 2000 (CAN Bus) |
| Optional Sensor | Integrated Relative Humidity (RH) Module |
| Wind Measurement Principle | Ultrasonic Time-of-Flight |
| Temperature Range | –40 °C to +70 °C (operational) |
| Pressure Accuracy | ±0.5 hPa |
| Wind Speed Range | 0–60 m/s |
| Wind Direction Range | 0–360° |
| Humidity Range (optional) | 0–100% RH, ±3% RH accuracy |
| Brand | RainWise |
|---|---|
| Origin | USA |
| Model | PVmet 200 |
| Communication Interface | RS-485 Modbus RTU (standard), optional Modbus TCP via Ethernet |
| Certified | SunSpec Compliant |
| Solar Irradiance Range | 0–1750 W/m², Accuracy: ±5% |
| Air Temperature Range | −40 to +80 °C, Accuracy: ±0.3 °C |
| Backsheet Temperature Range | −40 to +80 °C, Accuracy: ±0.3 °C |
| Wind Speed Range | 0–67 m/s, Accuracy: ±0.45 m/s or ±5% |
| Wind Direction Range | 0–360°, Accuracy: ±11.25° |
| Operating Temperature | −40 to +60 °C |
| Power Supply | 10–30 VDC, 50 mA |
| Enclosure Materials | PVC, ABS, Anodized Aluminum, Stainless Steel, LEXAN®, Makrolon® 2658 |
| Cable Length | 7.62 m |
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