Solar Radiation Sensor

Connect directly to any XR440, XR450 or XR5-SE Data Logger.  No external power required.

SRS-200 Solar Radiation Sensor and leveling plate

Solar Radiation Sensor with optional Combination Leveling Plate and Mounting Bracket

Suitable for meteorological, solar energy, agricultural and botanical applications.  Measures solar irradiance from 360 to 1120 nanometers.

SRS-200 Specifications

Sensor Type Silicon Cell Pyranometer
Operating Environment

-40° to 70°C (-40° to 158°F)

0 - 100% relative humidity

Submersible in water to 30 meters

Measurement Range 0 to 1250 Watts per Square Meter (W/m2)
Calibration Uncertainty ±5%
Measurement Repeatability Less than 1%
Long-term Drift Less than 2% per year
Non-linearity Less than 1%

Directional Error
(Cosine Response)

Less than ±2% at solar zenith angle of 45°

Less than ±5% at solar zenith angle of 75°

Temperature Coefficient 0.04 ±0.04% per °C

0.3 W/m2 with XR5 Data Logger

0.6 W/m2 with XR440 or XR450 Data Logger

Spectral Range (10% points) 360 to 1120 nanometers
Response Time Less than 1 ms
Signal Output 0-2.5 Vdc; 2.0 mV per W/m2
Power requirement 5 Vdc (0.3 ma typical current draw)

Field of View

Cable Length 5 meters (16.4 ft)
Cable Type 3 conductor, Santoprene rubber jacket
Suggested Maximum Extension Cable Length 50 meters (164 ft)
Housing Material Black anodized aluminum
Construction Potted housing (prevents moisture ingress)
Dimensions (excluding cable) 24 mm diameter, 28 mm height
(0.94" diameter, 1.10" height)
Weight (including cable) 90 g (3.2 oz.)
Mounting Sensor base is threaded to accept a 10-32 screw (Nylon 10-32 x 3/8" flat head screw included)

Also mounts to optional Combination Leveling Plate and Mounting Bracket (see below)

pdf icon  SRS-200 Installation Guide

SRS-200 Solar Radiation Sensor - Pace Scientific

SRS-200 Solar Radiation Sensor

Price: SRS-200
North America: $298.  Export: $328.


SRS-200 Combination Bracket and Leveling Plate

Combination Mounting Bracket and Leveling Plate

Price: SRS-LB
North America: $79.  Export: $87.

XR450 Data Logger

pdf icon  XR450 Catalog

XR5-SE Data Logger

pdf icon  XR5-SE User's Guide

Discontinued SRS-100 Solar Radiation Sensor