Advanced Weather Measurement with Solar Monitoring Precision

Rainwise MK4
Eric Rollins
Eric Rollins
Sales Director
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Connect the Weather Better

PVMet 500 – the world’s first compact and customizable multi-function professional grade weather station specifically designed for PV efficiency monitoring

Leading inverter companies & EPCs worldwide choose RainWise PVmet Weather Stations for their versatility, reliability, precision & EASY installation.

Industry Leading Configuration

PVMet Configuration

The PVMet 500 series supports up to three irradiance sensors in any combination of thermopile and silicon diode technologies, configured to monitor global, plane of array albedo (bifacial PV) and diffused parameters. The series also supports up to three back-of-panel temperature sensors.

Features & Options

Base Model Sensors Include



The PVMet 500 series are multi Sensor Weather Station with one RTU Modbus communication protocol.

The Industry's Broadest Line

The PVMet 500 series is part of a family of professional grade PV monitoring devices specifically designed for utility, commercial and industrial solar arrays

PVMet Model Lineup
PVMet 500 Specifications
All specifications are to be assumed at 25°C unless otherwise specified.
  • Operating Environment
    Temperature: -40° to 60°C(140°F)
    Humidity: 0–100% Condensing
    Protection Level Housing: IP65
  • Ambient Air Temperature Sensor
    Range: -40° to 70°C(158°F)
    Accuracy: ±0.4°C (0.5°F)
    Thermal Time Constant: 30 sec.
    Resolution: .01°C
  • Relative Humidity
    Range: 0 to 100%
    Accuracy: ±5%
    Resolution: 1%
  • Barometric Pressure
    Range: 552 to 1081hPa (mbar)
    Accuracy: ±1.7hPa (mbar)
    Resolution: 1hPa (mbar)
  • PV Panel Temperature Sensors
    Range: -40° to 80°C(176°F)
    Accuracy: ±0.3°C (0.54°F)
    Thermal Time Constant: 270 sec
    Cable Length: 7.62m (25ft)
  • Pyranometer Options
    Silicon Diode
    Second Class Thermopile
    First Class Thermopile
    Secondary Standard Thermopile
  • Anemometers: Mini Aervane: Speed Threshold: Range: Accuracy: Range: Resolution: 0 – 67m/s (150 mph) Greater of 0.45m/sec. (1 mph) or 5% 0.45m/sec. (1 mph) 360° 22.5° Direction Range Accuracy: +/- 22.5° Threshold: 0.9 m/sec. (2 mph) at a 10° deflection.
  • CV7 Ultrasonic Wind
    Wind module sensitivity: 0.13m/s
    Wind module resolution: 0.05m/s
    Wind module dynamic: 0.13m/s - 41.6m/s
    Direction sensitivity: ±1°.5
    Direction resolution: 1°
    Direction accuracy: >3m/s=±1°
    Speed accuracy: <3m/s=±2%
  • Rain Gauge
    Range: 0 mm/hr to 762mm/hr
    Accuracy: ±2% at 25mm/hr
    Resolution: 0.254mm
  • RS-485 Specifications
    Mode: 2-wire half duplex
    Connector: 4-position scren terminal (A, B, signal, earth ground)
    Max Speed: 9600bps
    Termination: 120ohms (internal jumper enable)
  • Electrical Power
    Voltage: 10-30VDC
    Current: 150mA Peak, 50mA nominal
Optional data logger can be provided.