WALZ Photosynthesis Instruments
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Field of use
  • Laboratory
  • Field
  • Water
Metrics
  • Photosynthetic Light Reactions
  • Gas Exchange
  • Light Measurement
Application
  • Corals
  • Algae
  • Surfaces
  • Leaves, Fruits & Branches
  • Lichen & Mosses
  • Suspensions (High Conc.)
  • Suspensions (Low Conc.)
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MQS-B Mini Quantum Sensor

Version

Cosine Corrected Mini Quantum Sensor

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MQS-B

The MQS-B consists of the cosine corrected sensor with a 3 m cable and BNC connector that can directly be connected to the ULM-500 or other data loggers.

MQS-B

No accessories for version MQS-B found

MQS-B Mini Quantum Sensor (MQS-B)

Design of sensor

Mini quantum sensor for selective PAR (photosynthetically active radiation) measurement, cosine corrected for PPFD (photosynthetical photon flux density) measurement.

Sensor housing

Black anodized aluminum housing

Diffuser material

Perspex

Signal detection

High stability silicone photovoltaic detector with filter set for PAR correction (to learn more about the typical sensitivity see “General Features”). Signal output typically -2 μA / (1000 μmol m-2 s-1)

Temperature coefficient of photodiode

0.01 %/K

Absolute calibration

± 5 %

Angular dependence

error < 4 % between angles from -80° to +80° from normal axis

Immersion coefficient

Typically 1.32

Operating temperature

- 5 °C … + 45 °C

Cable length

3 m

Connector

BNC

Power supply

Not required

Size

Height: 16 mm
Diameter: 14 mm
Diffuser diameter: 5.5 mm

Weight

32 g

Design

Plastic cover with crease protection

Dimensions

23 x 32 cm

Usage

Field
Laboratory
Light Measurement

Highlights

  • Standard field sensor
  • Responsive only to PAR wavelengths
  • Full cosine response

Downloads

  • Manuals & Documentation: MQS-BA Manual
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Innovation and tradition: These are the driving forces which have made of Heinz Walz GmbH one of the world’s top producers of highly sophisticated photosynthesis measuring systems.

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