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ELIT Flow-through
Systems
Controlled, flow-through cells are the most accurate and
efficient way of continuously monitoring sensor signals because the
electrodes remain immersed throughout the calibration and measurement
cycle. This avoids errors due to variable liquid-junction potentials
which occur whenever a reference electrode is immersed in a new
solution.
- Samples are extracted from the source with a smooth-flow peristaltic
pump and after measurement can be recycled or led to drain.
- In-situ calibration is achieved by switching the inflow tube to a
standard solution. The electrodes need not be moved - saving time and
avoiding contamination. The more frequent the calibration the greater
the accuracy.
- The robust, modular cells have special air-tight glands for 1-4
electrodes each and can be linked together - Max. 12 sensors, including
reference electrode.
- Suitable for Ion Concentrations, pH, ORP, DO, Conductivity and
Temperature.
- Can be used with any ELIT Analyser or Monitor with the required
channels.
- For dirty industrial environments or outdoor working, all equipment
can be housed in a specially-designed, weather-proof, lockable,
wall-mountable cabinet which can be up to 20 metres from the computer
and 30 metres from the sampling point.
Prices on
Application
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ELIT Monitor/Meter
Systems
Continuous, Real-time Monitoring, Measurement and Display
of
pH, Ions, ORP, Temperature
- 2 and 4-channel versions are designed for easy viewing of data.
- Instant data display in meter and table mode.
- Sensor electrodes are connected to a Windows-based PC (laptop or
desktop) via a USB port.
- Compatible with all standard pH, Ion, ORP electrodes and temperature
sensors
Prices: £500 (2-chan.) and £700 (4-chan.) (not
including sensors) |
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ELECTRODES |
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Ion-Selective
Electrodes
ISEs Measure the concentration of Ions in aqueous solutions.
- Robust and durable 8mm diameter PVC body with all-solid-state
interior.
- No filling solutions, maintenance-free, long shelf and analytical
life.
- Use with separate gel-filled 8mm Reference Electrodes (RE) in
the unique ELIT Electrode Head System for maximum flexibility and
economy.
- Can be used with any conventional Ion/pH/mV meter as well as ELIT
computer interfaces.
Typical Price from: £320 for basic
assembly
(ISE £180 + RE £95 + Electrode Head £45)
Other
Sensors:
pH electrodes (£50};
Redox (ORP) electrodes
(£55-90);
Dissolved Oxygen (DO) sensors (£160 -165);
Conductivity
Cells (£50-90);
Temperature sensors (£50) |
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ANALYSERS |
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ISE/pH Ion
Analyser
A sophisticated alternative to conventional ion/pH/mV meters.
- Requires connection to an existing Lap-Top or Desk-top PC.
- Measures Ions, pH, Redox(ORP), Temperature.
- Enables computer-controlled data acquisition, processing, recording
and display.
- Software guides the user reliably through the calibration and
measurement procedures and eliminates operator error during data
transfer.
- Records the measured calibration and sample data automatically.
- Displays the measured data in graphs and tables.
- Simplifies Standard Addition & Sample Addition methods.
- Ideal for routine analysis or for student training and
education.
Price: Computer Interface and Software £540
Complete system as shown (excluding computer) from
£915
(Interface + ISE + RE + Head + pH electrode + Temp
Probe) |
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4 & 8 Channel Ion
Analysers
Permit automatic, continuous measuring or individual manual
measurement of up to eight sensors simultaneously.
- Real-time on-line graphical display.
- Measure several different sensors in one solution or same type of
sensor in several different solutions.
4-channel unit
£755. 8-channel unit £1000 (not including
sensors).
Total cost of analytical system depends on type and number
of sensors required. |
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Aqualyser Systems
Measure important parameters of natural waters and aqueous
solutions such as Dissolved Oxygen, pH, ORP, Ion Concentration,
Conductivity and Temperature.
- Available in 2 versions, with different combinations of sensors.
- Dedicated software enables the user to calibrate, display and store
the sensor signals and the resulting parameter values.
- Data Acquisition Rate can be selected over a wide range.
- Data are stored in text form and can be viewed, edited or exported
to MS Excel or any other software.
Prices: £650 (9705b) and
£985 (9705c) (not including sensors)
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MONITORS |
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Multi-channel pH/ORP
monitor
Permits automatic,
simultaneous, continuous monitoring of up to 24 pH or ORP
electrodes.
- Data displayed in real-time table and exportable to other software.
- Compact, cost-effective, bench-top design.
Price on
Application |
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'Multisens' Measuring
System
Connect any number of any type of sensor directly to one desk-top
or lap-top PC.
- Modular, Multi-function, Multi-channel, Multi-site units.
- Rack-mounted or Free-standing.
- For continuous monitoring of ISE, pH, Temperature, Redox, Dissolved
Oxygen, Biosensors.
Price on Application |
| SIGNAL TRANSMITTERS AND
AMPLIFIERS |
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Signal
Transmitters
Convert Ion Selective or pH electrode output mV signals
into 4
- 20 mA format.
- Allows connection to a variety of Data-Acquisition devices (eg
dataloggers, PLC etc) instead of a PC.
- Signals can be used to activate alarms or process-control equipment.
- Allows data transmission over longer distances - up to 250m.
- Rugged dust and splash proof enclosures.
- Suitable for industrial, field or laboratory applications.
- One model for Ion Selective electrodes (£235).
- Six models for pH: Wide range (pH 0 to 14) or narrow (pH 3.5 to
10.5); with or without temperature channel; wall or DIN rail mounted.
(Price range: £115 to £180)
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Amplifiers
Amplify ISE, pH or Redox
electrode mV signals to allow longer cables between electrode and
computer interface or data-acquisition system - up to 50m.
- Three types:
- TRA-IS1-B, For one electrode, either as combination or with a
separate reference electrode. Battery-powered - particularly for field
use. (£125).
- LAB-EA4-C. For four electrodes simultaneously with a common
reference system in one vessel or in four separate vessels each with own
reference (£300).
- LAB-EA4-CI As above but with four, separate, isolated channels to
avoid ground loops (£400).
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