Types of Capacitive Proximity Switches
Transmitters
Non-Isolated, Two-wire Head Mounted Transmitters
SERIES ST-N2 :
The two-wire transmitter allows signal and power to be supplied through single wire pair by modulating the power supply current with input signal source. These transmitters find extensive use in industrial process control applications.
Temperature Transmitters :
- It accepts temperature sensor input
- Two-wire 4-20 mA output
- It operates on 10-60 V DC typically 24 V DC
- Output is not temperature value linearised but is proportional to sensors electrical output
- Calibrated to the desired range
- INDEPENDENT zero and span adjustment is provided for periodic recalibration
- Spare card without transducer is available
SERIES ST-N2 :
TYPE INPUT OUTPUT
ST-N2 P/I RTD : PT 100 4-20 mA
ST-N2 TC/I THERMOCOUPLE 4-20 mA
Specify the type of thermocouple sensor :
J Iron/Constantan thermocouple.
S Platinum 10% Rhod./Plat. thermocouple.
T Copper Constantan thermocouple
Non-Isolated, Four-wire Head Mounted Transmitters
SERIES ST-N4 :
TYPE INPUT OUTPUT
PST-N4 P/I RTD : PT 100 4-20 mA
ST-N4 TC/I THERMOCOUPLE 4-20 mA
Loop Powered Isolators : Isolated versions of all the transmitter models are also available on request.
Isolaters
- It is a unit that accepts most common high level process signals ( current and voltage),isolates them electrically and galvanically without changing the output parameters
- Input and output are thus same and isolation is provided by the circuitry.
- Isolates field signals from control room instruments. Eliminates ground loop problems
- Makes weak field signals immune to level drop due to long run and noise
- Optional facility provided to measure loop current. This special facility is useful to calibrate the instrument on line without disturbing the loop and thus the process
- Multiple outputs models available for independent processing
- NDEPENDENT zero and span adjustment is provided for periodic recalibration
- OPTIONAL FEATURE : Transmitter power supply 24V DC 50 mA is available on request
- ISOLATION VOLTAGE : 500 V DC for Din Rail, 1KV for Din Rail/ Back Panel/ Cast Al Field Mounting
- Solators are available in several versions depending upon the nature of input and No. of outputs :
SI-1 : It provides single output from a single input
SI-2 : It provides two isolated outputs from a single input
SI-3 : It provides three isolated outputs from a single input
SI-4 : It provides four isolated outputs from a single input
* PLEASE REFER ORDERING PROFORMA ON NEXT PAGE
Special versions for use in flame proof area are available
Non-Isolated, Four-wire Signal Converters: Series : SC-N4 :
- Converters are basically used for converting one type of parameter into another
- Converts various field signal like current, voltage , frequency, resistance compatible to central signal processing equipment
- INDEPENDENT zero and span adjustment is provided for periodic recalibration
- This device is equipped with state of the art digital circuit
- Available in both DC and AC power versions
- Mounting : D(DIN RAIL) / BP(BACK PANEL)/Al (Field mounting in cast Al)
- Supply voltage : 10-60V DC/230 V DC/AC/110 V DC as per requirement
Frequency To Current Converter : SC-N4 F/I :
- It is used for the conversion of an input frequency into an impressed direct current
- Input frequency range and output current range as per customer specifications
- Maximum load resistance 600 Ohm and can be extended upto 1K on special request.
Frequency To Voltage Converter : SC-N4 F/V :
- It is used for the conversion of an input frequency into an impressed direct voltage
- Input frequency range and output voltage range as percustomer specifications
- Buffered Output
- Maximum current available at the output is 15-20 mA
Voltage To Current Converter : SC - N 4 V/I:
- This unit provides an current output from a voltage input
- Input voltage range as per customer specifications
- Maximum load resistance 600 Ohm and can be extended up to 1K on special request
Current To Voltage Converter : SC - N 4 I/V :
- This unit provides an voltage output from a current input. Input current range and output voltage range as per customer specifications
- Buffered Output
- Maximum current available at the output is 15-20 mA
Isolated Converters Isolated Transmitter
- It is an isolating converter that accepts most common high level process signals (current & voltage),
isolates them and converts them into any other process signals - The output is normally not the same as input
- Available in DC & AC power versions
- INDEPENDENT zero and span adjustment facility is provided on the front panel
Isolated Frequency To Current Converter : SC- I F/I
- It is used for the conversion of an input frequency into an impressed direct current 0-20 mA or 4-20 mA with optical as well as galvanic isolation
- Maximum load resistance 600 Ohm and can be extended upto 1K on special request
Isolated Frequency To Voltage Converter : SC-I F/V :
- It is used for the conversion of an input frequency into an impressed direct voltage with optical as well as galvanic isolation
- Buffered Output
- Maximum current available at the output is 15-20 mA
Isolated Voltage To Current Converter : SC-I V/I :
- This unit provides an isolated current output from a voltage input
- Maximum load resistance 600 Ohm and can be extended upto 1K on special request
Isolated Current To Voltage Converter : SC - I I / V
- This unit provides an isolated voltage output from a current input
- Buffered Output
- Maximum current available at the output is 15-20 mA
Power Converters : SP
- These are used in power industries
- These provide with an isolated 4 - 20mA output
- Auxiliary voltage supply : 230 V DC/AC 110 V DC/AC
Type | Input |
---|---|
SCP-VA | : POWER(VA) |
SCP-V | : VOLTAGE |
SCP- A | : CURRENT |
SCP- PF | : POWER FACTOR |
SCP- KW | : Kilo Watts |
SCP- MW | : Mega Watts |
SCP- KWH | : Kilo Watt Hour (Energy ) |
SCP-MWH | : Mega Watt Hour |
Other Products :
- Process Indicators
- Field Indicators
- Flow Totalisers
- Bar Graph Indicators
- Signal Isolaters
- Digital Instruments with built-in Isolated output
Ordering Proforma
