Biospherical Instruments - This is a QSP-2300, a Scalar PAR Sensor which outputs an analog voltage signal on a logarithmic scale, typically used with a CTD or data-logger. The QSP has a
Hardware User's Manual
BIOSPHERICAL INSTRUMENTS DIGITAL SCALAR IRRADIANCE METER QSP-170B | eBay
QSR-2000 Quantum Scalar Reference
Specifications - Biospherical Instruments Inc.
Biospherical Instruments Environmental Radiometer Model DAS 186 Ser.3322 | eBay
Adaptisense - parent company of BRO - acquires Biospherical Instruments, Inc. - Breault Research Organization
Optical measurements
LOGGER2100
Biospherical Instruments | San Diego CA
GUV-measurements from Marambio since 2017
Biospherical Instruments Inc. (BSI) Profile
PUV-2500 Ultraviolet Radiometer
Biosphere (musician) - Wikipedia
Sales - Sea Technology Services
Biospherical Instruments - This is a QCP-2200, a Cosine PAR Sensor with an analog voltage output signal, typically used with a CTD or data-logger. Other outputs are available including ASCII. Versions with
PUV-2500 A wide-dynamic range profiling radiometer for measuring downwelling UV irradiance.