In-situ and flow through instrument

• real time alarm

• stand alone

• portable

• remote operation

• continuous monitoring (7 d/w, 24 h/d)

• low maintenance

applicable for monitoring of:

• industrial effluents

• effectiveness of waste water treatment plants

• water quality

• drinking water inlets

• inlets of (public) aquaria

• aquaculture inlets

also:

• testing for residual anti-fouling agents

• guarding of chemical processes

• physiological studies

 Biological

• uses mussels, clams, oysters, etc.

• 8 bivalves per system (fresh water or marine)

• 16 bivalves optional

 Electrical

• multiplexed HF-sensors (250 kHz)

• up to 3 days battery back up

• Siemens 8051 computer system

• watchdog

• real time clock

• 12 bits A/D conversion

• alarm logging

• alarm contact switch

• interface for external PC (RS 232c + RS 485)

• external power connector

• electronics mounted on removable frame

 Mechanical (in situ version)

• hd-pe container dimensions h=420, O 320 mm

• easily replaceable mussels

• maximum depth: 15 m

• weight 22 kg

 Mechanical (flow through version)

• PVC container l´ w´ h = 760´ 420´ 350 mm

• volume 35 litres

• inlet pvc 20 mm O, outlet pvc 40 mm O

 Options

• solar panels

• transmitter/receiver set (30 km range)

• data presentation/logging software "Present IT"

• incorporation of other sensors (pH, DO, …)

• installation (optimisation) taken care of by our staff

• on-site demonstration and training

• data evaluation by our experts

• expert biological and technical advise

 Leasing possibilities for

• short period monitoring

• feasibility studies