bbe moldaenke
 
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 Specifications of the bbe DaphTox II

Measurands

Toxicity detection due to video analysis of daphnia behaviour with regard to the following:

  • average swim speed
  • speed distribution
  • swim height
  • average distance
  • fractal dimension of paths: curviness, turns
  • no. of daphnia
  • distribution in chamber
  • size of daphnia

Measurement procedure                     

video image analysis

Housing material

varnished steel plate

Weight

60 kg *

Dimensions (H x W x D)

800 x 800 x 500 m

Protection class

IP54

Mains supply

110/240V 50/60Hz

Power consumption

600W

Sample temperature

0 - 30 °C

Sample volume

200 l /h

Maintenance interval

> 7 days

Sample inflow

free inflow/tube pump

Hardware

integrated touchscreen PC, Windows XP Prof.
splash-proof, flexible USB keyboard

Outputs

  • modem
  • LAN
  • analogue output 4-20 mA (2 X) (optional)
  • relay output (2 X)
  • RS232
  • USB

Subject to alteration!

 

 Sensitivity to toxins

 Substance

EC50 in μg/L

Daphnia Toximeter alarm at μg/L

Aldrin

28

27

Carbaryl

19

22

Chlorpyrifos

344

15

Cyclosarin (GF)

60

10

Cypermethrin

1.2

1

Dichlorvos

170

0.5

Dimethoat

1900

2100

Endosulfan

200 - 900

100

Lindane

800 - 6500

30

Malathion

54

10

Parathionethyl

8.5

10

Sarin

10

6.4

Tabun

30

36

Terbuthylazin

3400

250

Trichlorfon

80

2

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