Bio-reflectance sensor

Optura Spy

A highly flexible, continuous online biomass monitor. Collect real-time data with a non-contact sensor.

Last updated: October 1, 2022

Technical Specifications*
*Subject to change without notice
Wavelength1330 nm
Cell concentration rangeMinimum cell concentration -
>0.01 g/l DCW S. cerevisiae (Type A & B) ~0.03 Abs OD600
>0.05 g/l DCW S. cerevisiae (Type C & D) ~0.127 Abs OD600

Maximum cell concentration-
>175 g/l DCW S. cerevisiae (all sensors)
ResolutionBest case: 8.45Exp-10 % reflectivity
Stability0.24% @ 100 g/l yeast solution over a 35 minute period.
Typical performance of 6 base units.
Power supplyDesktop Mains PSU supplied by ABER
(Part number: 2885-35, AC Input 110 to 240 volts AC 50/60 Hz).
Installation Category II. Output - 24 V DC is typically supplied to the hub
SPY sensor cable length2m
Operating temperatureSensor: 5 to 70 °C (40 to 160 °F)
OPTURA HUB: 15 to 40 °C (59 to 104 °F)
Humidity35-65 %
Performance verificationReflectance standard (Low and high)
Laser product classificationClass 1M
Communications2 x 4-20mA (Reflectance and Growth Rate)

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