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Frontline Controls
336 Boundary Road, Walkers Fruit Farms, De Deur
Core business offering: Supplier of products used for the measurement and control of flow, level, pressure, temperature, pH, conductivity, density, open-channel flow, as well as products used for safety gas monitoring and on-line stack dust and gas monitoring. The company now also provide a range of dataloggers and signal conditioners.
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| GSR - Gas Fluid Handling Systems |
Nelspruit
tel: +27 13 752 6779
fax: +27 13 752 7057
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| Sumarka Instrumentation |
Welkom
tel: +27 57 352 9845
fax: +27 57 352 3613
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Section - Data Acquisition & Remote Control
-PC based data acquisition
- A-D conversion boards
- data acquisition cards
- presentation/analysis software
-Recorders
- chart paper
- circular chart
- disposable pens
- events
- paperless
- strip chart
- videographic
-Standalone data loggers
-Anemometers
-Monitors
- air quality
- chlorine
- dust
- effluent
- flame
- gas
- moisture
- radiation
- vibration
- water quality
-Radio telemetry
-Remote sensing & control
- cellular
- radio link
Section - Miscellaneous Hardware
-Power
- Armoured
- PVC
-Signal
- Armoured
- Coaxial
- High temperature
- Multiwire
- Screened
- Single conductor panel wires
- Temperature compensated cable
- Twisted pair
-Circular DIN, control
-Circular, power
-D-subminiature
-Rectangular, control, signal
-19" racking
-Boxes - electronics
- Metal construction
- Plastic construction
-Cabinets
- Free-standing
- Wall mount
-Canopies
-Enclosures (special)
- Corrosion proof
-Reed relays
- Dry-contact
-Relays
- DIN-rail mount
- General purpose, control
- Plug-in
- Solid state (photo MOS)
- Time delay
-Switches
- Cam-operated
- Foot-operated
- Key-lock
- Magnetic
- Pushbutton-control
- Rocker
- Rotary selector
-Cable glands
-Cable grommets
-Cable jointing kits
-Cable sleeving
-Cable tie installing tools
-Cable ties
-Cable/terminal marking systems
-Cabling conduit
-Ducting, trunking
-Heat-shrink guns
-Heat-shrink tubing
-Insulating tape, coloured
-Lacing cord/ribbon
-Mounting clips, clamps
-Audible alarms
- Bells
- Horns, sirens
-CBE (circuit breakers for equipment)
-Emergency stop switches
-EMI suppression filters
- Power-line
- Signal line
-Hazardous gas detection
-Intrusion alarms
-Key-lock switches
-Light curtains
-Protection relays
- Over/under voltage
- Over-current
- Phase balance
- Phase sequence
- Pump protection
- Thermal overload, motor protection
-Rope-pull switches
-Safety limit switches
-Smoke/fire detection
-Surge protection/suppression
- Lightning arrestors
- Varistor (MOV)
-Visible alarms
- Annunciator displays
- Indicator lights
- Industrial beacons
- LED
- LED for traffic lights
-DIN rail-mount
-Fuse terminal blocks
Section - Networks for Communication & Control
Section - Process Control & Manufacturing Technologies
-Electric
-Limit switches
-Pneumatic
-Valve position transmitters
- Valve positioners
-Control valves (applications)
- Slurry control
-Control valves (type)
- Ball
- Butterfly
-Globe
- split-body
- three-way
-Manifolds
-Solenoid
-Weir-type diaphragm
-Communications
- RS232
- RS422/RS485
-Functionality
- Adaptive gain
- Auto/self tuning
- Cascade control
- Maths/calculations
- PID/PD
- Ratio control
- Scaling of I/O
-Inputs
- 0/4-20mA
- mV/V
- RTD
- Strain gauge
- Thermocouple
-Number of loops
- 1-16
-Outputs
- 0/4-20 mA
- 0-5V
-Panel size (mm)
- 24x48
- 48x48
- 48x96
- 72x72
- 96x96
-Visual display
-Flowmeters (application)
- Batching
- Partially filled pipes/channels
-Flowmeters (type)
- Clamp-on, non-invasive
- Coriolis
- Differential pressure (DP)
- Doppler ultrasonic
- Magnetic/electromagnetic
- Mass
- Open channel, flume, weir
- Orifice plate, flow nozzle
- Pelton wheel
- Pitot tube
- Positive displacement
- Solids
- Thermal dispersion/calorific
- Turbine
- Variable area
- Venturi tube
- Vortex
-Monitors/indicators
-Potable water meters
-Regulators
-Switches
-Totalisers and correlators
-Gas detection
-Intrinsic safety
- Batch controllers
- Flashing beacons
- Shunt diode safety barriers
- Totalisers
- Transmitters - flow
- Transmitters - level
- Transmitters - pressure
- Transmitters - temperature
-Capacitive & conductive
-Float-operated
-Loadcell
-Microwave, guided & radar
-Nucleonic
-Optical, laser
-Pressure/hydrostatic
-Rotary paddle
-Thermistor / thermal
-Tilt switch
-Ultrasonic
-Vibrating fork
-Automatic dispensing systems
-Batching
-Belt scales
-Coriolis
-Density
-Drum filling
-Impact plate
-Loadcell
-Alarm indicators
-Analog panel meters
-Annunciator panels
-Digital panel meters
-Digital process indicators
-Displays
- Bar graphs
- Characters
-HMI
-Actuators
- Linear
- Rotary
-Air dryers
-Cylinders
- Double acting
- Positioners
- Single acting
-Filters
-Pressure/vacuum switches
-Tubes & fittings
-Valves
- Check
- Flow
- Gauge
- Isolation
- Manifolds
- Pressure
-Control transducers
- Displacement/position transducers
- Tilt transducers
-Rotary encoders
-Differential pressure transducers
-Instrument manifolds
-Manometers
-Pressure gauges/indicators
-Pressure switches
-Pressure-electrical transducers
-Regulators
- Pilot operated pressure reducing
- Self-acting back pressure
- Self-acting pressure reducing
-Capacitive
-Hot metal
-Inductive
-Infrared
-Laser
-Limit switch
-Photoelectric
-Ultrasonic
-Acoustic
-Anemometers
-Current
-Density
-Displacement
-Flow
-Gas
-Hall-effect
-Humidity
-Interface in solids/liquids
-Level
-Light intensity
-Loadcell
-Mass
-Metal detectors
-Moisture
-Presence
-Radiation
-Strain gauges
-Thickness
-Vibration
-Converters
- I-P, P-I
- mV/current
- Power (VAR, F, kWh, etc.)
- Programmable
-Isolators
-Root extractors
-Heat flow monitors
-IR non-contact
-IR thermal imaging
-Panel-mount indicators
-Pyrometers (IR non-contact)
-RTDs (Pt 100, Ni)
-Temperature switches
-Thermocouple extension cables
-Thermocouples (Type S, T, etc)
-Thermowells
-Counters
- Batch
- Mechanical
- Panel mount
- Rail mount
-Timers
- Analog
- Digital
- Panel mount
- Rail mount
-Conductivity
-Control signal
-Differential pressure
-Electrical power
-Flow
-Frequency
-Gas
-Humidity
-Level
-pH
-Pneumatic
-Pressure
-Resistance
-Temperature
-Universal, programmable
-Vibration
Section - Services & Systems
-Compressed air
-Water & waste water
Section - Test, Measurement & Calibration
-Analysers
- Boiler feed water
- Chlorine
- Colorimetric
- Combustion
- Dissolved oxygen
- Flue gas
- Gas
- Gas chromatograph
- Hydrocarbon
- On-line process
- Oxygen
- Particles
- Single element
- Suspended solids
-Conductivity
-ORP
-pH
-pH handheld
-Pyrometers
-Redox measurement
-Reference materials
-Turbidity meters
-0/4-20 mA loop simulators/calibrators
-Deadweight testers
-Decade boxes, R/I/C
-Documenting process calibrators
-Flow calibrators
-mV simulators/calibrators
-Pressure simulators/calibrators
-RTD simulators/calibrators
-Thermocouple simulators
-Clampmeters
-Insulation testers
-Mains power analysers
-Multimeters
-Ohmmeters
-Oscilloscopes
-Phase rotation
-Pipe & cable locators
-Portable power meters
-Scope & DMM combinations
-X/Y, Y/t chart recorders
-Balances, mass
-Density
-Dust level
-Geiger-Müller counters
-Humidity
-Leak detection
-Oil in water
-Pyrometers
-Strain gauging
-Temperature
-Velocity
-Vibration/machine health
- Physical contact
-Water-in-oil
| News from Frontline Controls: |
Pressure measurement and control
January 2001, Pressure Measurement & Control, Frontline Controls
Before a decision can be taken as to the type of transmitter to use, the measurement needs to be clearly understood and defined |
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