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Dissolved Oxygen, Flow, pH/ORP, Salinity
The line of GF Signet Aquatic sensors, allow a fast and accurate way to measure key parameters
in the aquatic environment to maintain a healthy environment.
このカタログについて
ドキュメント名 | Aquarium Environment Monitoring Solutions |
---|---|
ドキュメント種別 | 製品カタログ |
ファイルサイズ | 512.4Kb |
取り扱い企業 | ジョージフィッシャー株式会社 (この企業の取り扱いカタログ一覧) |
この企業の関連カタログ
このカタログの内容
Page1
GF Piping Systems
Aquarium Environment
Monitoring Solutions
Dissolved Oxygen, Flow, pH/ORP, Salinity
Page2
Environmental
Monitoring
Water chemistry is considered to be the most important part of an aquarium. The worlds oceans,
freshwater lakes, and rivers provides all the proper elements to ensure a healthy environment.
The water quality conditions are maintained by natural tides, currents and fl ow.
An aquarium is an unnatural environment for aquatic organisms, as they are in intimate contact with
their environment, the changing composition of the water has a major eff ect on their well-being.
The line of GF Signet Aquatic sensors, allow a fast and accurate way to measure key parameters in
the aquatic environment to maintain a healthy environment.
Product Off ering
Dissolved Oxygen
In an aquarium, the average oxygen saturation is about 70%. The level of dissolved oxygen varies throughout the day;
it is higher during the lighting period and has the lowest concentration in the early morning hours.
A dissolved oxygen content of 5-7 ppm is suffi cient for most aquatic life.
The fi rst signs of stress to the animals will show if the oxygen content drops below 4 ppm, fatalities can be expected
at 2 ppm. Oxygen enters the water by diff usion from the atmosphere or through plant photosynthesis. The dissolved
oxygen level in water is constantly changing and represents a balance between respiration and decomposition that
deplete oxygen and the photosynthetic activity that increases it.
3-2610-41 DO Sensor
Dissolved Oxygen
- Compatible with 8900, 9900, and 9950
- 0 to 20 ppm
- 4 to 20 mA output
- Modbus output (RS 485)
- 2% accuracy - No calibration
- Fresh or Salt Water applications
- In-line applications 2 in. to 8 in.
- In-line or submersible/Suspend
2 www.gfsignet.com
Page3
Product Off ering
Salinity
Salinity is a measure of how much salt is in the water. The preferred method to make water for marine and reef tanks
starts with RO/DI water which is mixed with commercial aquarium salt mix that contains all the salts and minerals
needed. Salinity describes the content of total dissolved salts and minerals in the water and is measured in parts per
thousand (ppt). Salinity of natural sea water varies by ocean, sea and reef, but is usually near 1.026 specifi c gravity (s.g.)
or ~35 ppt salinity.
Conductivity sensors are necessary in various locations throughout an aquarium, including the measurement of ultra-
pure water, wastewater discharge, and to determine the level of salts in aquatic water; whether being measured as
Salinity, TDS (total dissolved solids), or conductivity.
Conductivity Sensor Family
Conductivity Sensor Family
- ¾“ NPT process connectors for in-line pipe
monitoring
- Submersible sensors for tanks
- M aterial available, Titanium, Hastelloy-C, Monel
or 316 SS
- Cell constant 0.01, 0.1, 1.0, 10 and 20 are available
- Wet-Tap sensors available
Flow
Flow is critical to the health of an aquarium. Maintaining proper fl ow throughout aquariums ensures stable
chemistry and biological fi ltration. Plants, micro-organisms, fi sh and all aquatic animals require oxygen to live.
As oxygen is used by the aquatic life, it is replaced by carbon dioxide which can reduce the overall pH of the water.
Flow sensors deployed throughout an Aquarium ensures that fi lters, pumps, the denitrifi cation process and
disinfection are working effi ciently to maintain a good, healthy environment. Flow monitoring is an excellent way to
determine if the fi lter requires maintenance, and also to monitor proper back-wash process.
Flow Family
Flow
- Fully serviceable
- Paddlewheel and Magmeter available
- Various wetted materials available for corrosion
resistant Titanium, Hastelloy-C
- Wet-Tap assembles
• Installs and removes sensors from piping
systems for service without flow interruption
- NPT or ISO process connections available
www.gfsignet.com 3
Page4
Product Off ering
pH and ORP
All fi sh have diff erent preferences to water pH. Almost no fi sh prefer completely neutral water, due to imbalances in the wild.
Fresh water fi sh adapt to a wide pH range. They might be happiest at pH 7.2, but they would be just as happy at 6.8 or 7.6.
The pH of natural sea water varies throughout diff erent marine environments, but is generally around 8.2 pH. Reef tank pH
should be maintained between 8.0 and 8.6. pH will be at its lowest point at night and will rise throughout the day as dissolved
oxygen levels rise.
Nature’s immense buff ering and fi ltering capacity maintains a healthy water system required for life support. Water must
be disinfected in aquariums or the ecosystem will be destroyed by a surge in bacterial growth and/or algae blooms, which
consume oxygen and spread disease. Disinfection of the water as it is re-circulated and fi ltered is needed to kill bacteria
levels and maintain a healthy system. For marine mammals, chlorine, sodium hypochlorite, calcium chlorite or ozone may
be used to provide a residual disinfecting agent. An ORP (oxidation-reduction potential) or “redox“ sensor measures, and
monitors the oxidizing capacity of the water to ensure disinfectant levels are properly maintained.
3-3719 pH/ORP Wet-Tap Assembly
Wet-Tap Assembly
- Electrode removal without process shutdown
- Protects electrode from breakage available
with NPT or ISO process connector
- Fully serviceable
- S ealed pneumatic dampening for smooth and
safe operation
- Automatic locking mechanism
3-2724, 3-2726 and 3-2756
pH Electrodes Series
pH
- Designed for both tank and in-line measurements
- 272X family sensors available with NPT or
ISO process
- Mounts in any angle of the pipe for easy installation
- Wet-Tap assembly available
ORP
- Designed for both tank and in-line measurements
- 2725 sensor available with NPT or ISO process
- Mounts in any angle of the pipe for easy installation
- Wet-Tap assembly available
- W et-Tap sensor 3-2757-HDPE specifically designed
for aquatic use.
4 www.gfsignet.com
Page5
Product Off ering
Pressure, Temperature and Level
Ocean and fresh water temperature varies globally. In order to sustain stable healthy fi sh and animal populations,
temperature control of the aquatic environment is important. The amount of oxygen that can be dissolved (saturated) in the
water is also dependent on the water temperature and salinity levels.
Filtering of aquarium water is vital to a healthy aquarium by removing biogrowth, suspended matter and fi sh/animal waste.
A pressure sensor measures the diff erence in pressure between the inlet and outlet, and allows proper warning when fi lter
maintenance is required.
Monitoring water level and managing tank farms in Aquariums is made easy with the wide range of GF level products.
Level monitoring ensures a stable environment to the aquatic life, and is a key measurement in tanks that hold process
water, makeup water, wastewater and chemicals to guarantee an adequate supply is available.
2350 Temperature Sensor
Temperature
- 4 to 20 mA or digital (S3L) output
- Standard 3/4 in. NPT process connection
- One-piece injection molded PVDF body
- PT1000 platinum
- Easy installation
- Threaded for in-line or submersible installation
2450 Pressure Sensor
Pressure
- 4 to 20 mA or digital (S3L) output
- 1/2 in. male union process connection
- One-piece injection molded PVDF body
- Flush ceramic diaphragm
- Easy installation
- Choice of three pressure ranges
- Pressure or level measurement
Level Family
Level
- Easy settings - Ultrasonic level sensors
- Large displays - Hydrostatic level sensors
- Foreign object recognition - Tuning forks
- High resistance and long - Ultrasonic gap switch
life despite contact with - Conductive multipoint switch
corrosive liquid - Float switches
- Low maintenance costs
www.gfsignet.com 5
Page6
Product Off ering
Multi-Parameter Transmitters
The 9900 Multi-Parameter Transmitter off ers the ease and fl exibility to be used with any GF Signet sensor.
This allows a single transmitter to be used throughout the Aquarium, reducing the need for cross training to other
brands of meters, and also the need for inventorying multiple spare transmitters.
The 9950 allows two sensor to be displayed and controlled by a single transmitter. The 9950 can be used with
two diff erent sensors to monitor two parameters or be used with two like sensors such as conductivity, fl ow and
pressure sensor to monitor independent monitoring points or calculate the diff erence between two measuring
points to support RO systems and media fi lter maintenance
9900 Transmitter
Multi-Parameter
- Multiple sensor types supported with one instrument
- “Dial-type” digital bar graph
- Optional Relay Module for addition of two dry
contact relays
- One 4 to 20 mA output in base unit. One additional
4 to 20 mA available with optional module
- NEW! Rear Enclosure kits for panel, wall or
pipe mounting
- Warning and Relay LED indicators for
“at a glance” visibility
- Customizable features including digital label
for custom identifi cation
9950 Transmitter
Multi-Parameter
- One instrument for multiple sensor types
- T wo diff erent sensor types can be combined in
one instrument
- Confi gurable display
- Derived measurements
- Advanced boolean logic
- Optional modules can be added for additional capabilities
6 www.gfsignet.com
Page7
Compatibility
Multi-Parameter Transmitters
Flow, pH/ORP, Conductivity/Resistivity, Temperature, Pressure, Level,
Salinity, 4 to 20 mA Signals, Batch, Dissolved Oxygen
Paddlewheel and Magmeter
Flow sensors
ssure
– Flow
Temperature and – Ult
Pressure sensors re ra
– P se or nu ict
pH / ORP fl at, bulb and
diff erential electrodes
with 2750
Conductivity /
Resistivity
Sensors Dissolved Oxygen
sensor
2850
Universal 4 to 20 to S3L
Mount i-GO® Signal
Converter
8058-1
*
8058-3
Ultrasonic, Radar, Hydrostatic and
Point Level (*Note: requires 8058-3)
www.gfsignet.com 7
tivity/Resistic vitu y d – n Tem
C
o p
y –
era
nel Ln eva eh l – S
le
C alin
ing it
RP – DissoO lved H/ Oxyg
– p ew n –
Flo S
Page8
GF Piping Systems
Worldwide at home
Our sales companies and representatives
ensure local customer support in over 100 countries.
www.gfsignet.com
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Buenos Aires, Argentina Phone +33 (0) 1 41 84 68 84 CP66636 Mexico 528 872 Singapore
Phone +54 11 4512 02 90 fr.ps@georgfi scher.com Phone +52 (81) 1340 8586 Phone +65 6747 0611
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Phone +61 (0) 2 9502 8000 info.de.ps@georgfi scher.com Piping Systems (Switzerland) Ltd 28046 Madrid
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The technical data is not binding. They neither constitute expressly
warranted characteristics nor guaranteed properties nor a guaranteed durability.
They are subject to modification. Our General Terms of Sale apply.
3-0000.732 (A- 03/17)
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