Modular analyser automating multi-parameter monitoring in aquaculture

AMS Instrumentation and Calibration introduces a new modular analyser system
designed to automate and simplify monitoring of various parameters in
aquaculture operations.

The new modular plug-n-play T80-S80 analyser system from
Electro-Chemical Devices (ECD) helps aquaculture operators automate testing for
dissolved oxygen (DO), pH and ammonia levels among other parameters, simplifying
operations and lowering total operating costs.

Reliable detection of dissolved oxygen, pH and ammonia is a critical
part of aquaculture operations and essential to maintaining fish health.
Failure to do so can take them to toxic levels quickly and facilitate
conditions that lead to disease or death.

Many operators rely on portable sensors with their staff manually taking
the readings on a fixed schedule that can be hard to maintain consistently
during their busy workday. The challenge and expense of dedicating staff time
to testing becomes incrementally problematic in larger or remote operations.

However, installing fixed analyser systems such as the rack-mount ECD
T80 universal transmitter with S80 intelligent sensors can automate the measurement
process. The T80-S80 analyser system is seamlessly integrated with popular
control system communication protocols to provide a closed loop water
monitoring and treatment system that maintains water quality for optimum fish-growing

The T80’s highly intelligent digital protocol simplifies installation
set-up and process measurements, and also reduces maintenance costs.

Key features of ECD T80 universal transmitters include single- and two-channel
models offering membrane switch navigation; simple menu structure with soft key
menu choices displayed on an easy-to-read 2¾ x 1_-inch LCD screen; three
different power modes – a loop powered transmitter, a 24 VDC line powered transmitter
or a 110/220 VAC line powered transmitter having one or two 4-20 mA outputs
with MODBUS RTU and optional alarm relays; and optional HART 7 communication
protocol for configuring the transmitter.

The T80 transmitter digitally communicates with any S80 sensor,
automatically uploading the sensor’s calibration data and configuring the
transmitter’s menus and display screens to the desired parameter. S80 sensors are
available in a choice of two universal sensor designs – insertion/submersion or
valve retractable with flared end to prevent blowout. The sensors have a rugged
¾-inch OD 316 stainless steel body with a 10-foot cable or an optional
waterproof detachable cable assembly.

The versatile DO80 dissolved oxygen sensor features a measurement range of
0.00-20.00 ppm (mg/l) over a temperature range from -10¡C to +60¡C. For pH, the
S80 features a measurement range of 0.00-14.00 pH with a temperature range of
-10¡C to +90¡C. Ammonia monitoring requires a two-channel instrument, pH and
NH3. The S80 NH3 sensor has a measurement range of 0.1 ppm to 17,000 ppm NH3
over a temperature range from 0¡ to 40¡C.

The auto clean option available for S80 sensors includes a solenoid
actuated spray cleaner using either 30 psi process water or air. An easily
adjusted timer controls the period and duration of the cleaning cycle. The auto
clean option reduces time-consuming manual maintenance routines, freeing the
operator’s staff for more productive activities.

Combining ease of set-up, modular design, low maintenance and ability to
monitor multiple parameters, the T80-S80 analyser system provides an affordable
automation tool for economical aquaculture production operations.

For further
information, please visit the AMS Instrumentation and Calibration website or call 03-9017 8225, or
Freecall (NZ) 0800 442 743.

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