Sigma Controls
Ring Road, Ahmedabad, Gujarat
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Temperature Controller

We are reputed supplier of Temperature Controller. Also offering Compensating Cables, DataLogger, Temperature Calibration, Industrial Oven & Furnace etc.

Temperature Controller

Temperature Controller
  • Temperature Controller
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Approx. Price: Rs 5,500 / Piece(s)

To fit the needs of our patrons, we are engaged in manufacturing, supplying, trading and exporting Temperature Controller. Used for temperature control purposes, these controllers are available in different sizes and models to meet the variegated demands of customers. High in accuracy and power potential, these controllers are manufactured at our state-of-the-art infrastructure unit with the aid of sophisticated technologies and techniques. Durable in nature, the Temperature Controller offered by us is rigorously tested before delivering to the customers' premises.

Features :

 

  • Micro-controller based cost-effective indicator/controller

  • High performance

  • Digital calibration

  • Large, 20mm (0.8") Red LED display

  • Two relay output

  • Dust protected IP54 front

  • On-site configurable and universal

  • Large easy-to-view 5-digit display

  • Outstanding controllability

  • Operability inheriting previous models

  • High-precision transmission signal output

  • 24V power supply voltage type provided

  • Maximum 19 steps per pattern and maximum 19 sets of patterns

  • Easily identifiable pattern progress display

  • Universal input

  • 2 colors of casing available

  • Conforming to international safety standards and European directives (CE)

  • Conforming to RoHS

Options:

  • Transmitter power supply

  • Retransmission output (Isolated)

  • RS 485 serial communication

  • Weather proof/ flame proof enclosure

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Hot Runner Temperature Controllers

Hot Runner Temperature Controllers
  • Hot Runner Temperature Controllers
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Approx. Price: Rs 8,500 / Piece(s)

We are also instrumental in supplying Hot Runner Temperature Controller for Plastic Industries. Engineered by experienced engineers, these are practical, plug-in interchangeable modular systems that are powered with a microprocessor based self-tuning temp. controller. Based on latest technologies, these energy efficient devices are powered with many advance features like reverse, open, shorted thermocouple alarm; ground fault, open heater, loop break alarm, etc.

 

Technical Specifications:


  • J, K thermocouple selectable
  • Compu-step soft start
  • 30 amp. capability
  • Heater current indication in Amp.
  • Shorted triac safety relay
  • Auto/manual control
  • Bumpless auto/manual transfer
  • Automatic power hold if thermocouple breaks
  • Self regulating manual power control
  • Switch to manual %, off or last% of output when thermocouple open
  • Designed to prevent burning or hardening power of mains optional accessories
  • Upto 48 modules can be monitored and controller, communication module provides information and control capabilities to a remote system operator
  • Current/voltage monitor
  • Terminal mounting boxes
  • Customized connectors and cables
  • Floor stands
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Additional Information:

  • Item Code: h-r-002
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RS-485 Temperature Controllers

RS-485 Temperature Controllers
  • RS-485 Temperature Controllers
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Approx. Price: Rs 8,000 / Piece
We are a well-reckoned name in the market, engaged in offering high range of RS-485 Temperature Controllers that is used in the market for various purposes. These products are made by our dexterous professionals in compliance with set worldwide quality standards using supreme quality raw material and advanced technology. Our esteemed customers can avail these products from us in different specifications at pocket-friendly prices.

Features:

  • Trouble-free functionality
  • Easy to use
  • Low maintenance
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Flame Proof Temperature Indicator

Flame Proof Temperature Indicator
  • Flame Proof Temperature Indicator
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Approx. Price: Rs 1,800 / Piece

Product Details:

Minimum Order Quantity1 Piece
Power230vac
Brandsigma

By keeping track with contemporary market developments, we are offering Flame Proof Temperature Controller. These products are developed from top grade components and advanced technology at our well-resourced manufacturing unit in conformity to the worldwide standards of quality. Owing to lightweight, finest functionality, easy to use, and high performance, the offered product is highly praised in the market. Moreover, we provide this product at nominal prices.

Features:

  • Advanced technology used
  • Easy to use
  • Longer service life
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Master Slave Temperature Controllers

Master Slave Temperature Controllers
  • Master Slave Temperature Controllers
Approx. Rs 5,000 / Piece(s)
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SCR Power Controller

SCR Power Controller
  • SCR Power Controller
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Approx. Price: Rs 2,500 / Piece(s)

We take pride in introducing ourselves as one of the renowned suppliers of SCR Power Controller that are fabricated using high grade raw material. These are engineered following well defined industrial procedures and are appreciated for their robust construction and excellent finish standards. They are available at competitive prices.

 

Technical Specifications:


  • Single pole, Normally open switching device for control of resistive heating loads
  • zero voltage or phase angle fired
  • Extends Heater life-eliminates thermal shocks
  • Convection cooled
  • Supply voltage-120/240/440.Vac, 50-60 Hz, single, two or three phase for star/delta connected resistive load up to 15Amps to 200Amps
  • I2T fuse protection options
  • Soft start, voltage limit and manual pot available
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Thyristor Power Controller

Thyristor Power Controller
  • Thyristor Power Controller
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Approx. Price: Rs 2,500 / Piece(s)

From the day of commencement, we are engaged in manufacturing, supplying, trading and exporting Thyristor Power Controller. A thyristor is a semiconductor device which acts as a switch, which passes current in one direction, when it is switched on and to switch on the alternative current, two devices should be connected in inverse parallel. To meet the variegated demands of customers, these controllers are available in different specifications as per the needs and requirements of customers. The Thyristor Power Controller offered by us is available at market leading prices.

 

Other details:


  • Thyristor units start at 3A

  • Sizes up to 2600A and 690Vac


Products Variety:


  • Three Phase (2PH) 2-leg:


Single Phase Thyristor Power Controllers:


  • A range of thyristor power controllers to switch single phase loads.

  • Ideally suited for normal or variable resistive loads and transformer & inductive load types

  • Each device is turned on at the appropiate time by a trigger pulse applied to the gate

  • The device will remain on until the instantaneous load current through it drops to zero

  • The trigger pulses are generated by a driver, which times the pulse

  • Ensures the thyristor unit output is a function of the input demand signal firing mode


The Basic Firing Modes:


Zero Crossing (ZC):


  • Used with the logic output from a temperature controller

  • The cycle time is determined by the temperature controller

  • ZC minimizes interference due to the fact that the thyristor unit switches ON and OFF at zero volts


Burst Firing (BF):


  • This firing is performed digitally within the thyristor unit at zero volts, producing no EMC interference

  • Analogue input is necessary for BF and the number of complete cycles must be specified for 50% power demand

  • This value can be between 1 and 255 complete cycles, determining the speed of firing

  • When 1 is specified, the firing mode becomes Single Cycle (SC)


Single Cycle (SC):


  • SC is the fastest zero crossing switching method

  • At 50% input signal, one cycle is ON and one cycle is OFF

  • At 75%, 3 cycles are ON and one cycle is OFF

  • If power demand is 76% the unit performs the same as for 75% but every time the unit switches ON the microprocessor divides 76/75 and memorizes the ratio

  • When the sum is one the unit delivers one cycle more to the load

  • With this firing it is necessary to have an analogue input

  • SC is ideal for simple resistance loads

  • Thermal mass of the load is small or as a low noise alternative to PA firing with some applications


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Pressure Transmitter

Pressure Transmitter
  • Pressure Transmitter
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Approx. Price: Rs 3,500 / Piece(s)

We offer an extensive range of Pressure Transmitter & Switches. These transmitters can be easily mounted on relevant machines that are used in various industrial applications. Our pressure and temperature transmitters are fabricated in accordance with current industrial requirements and can be bought at competitive prices from us.

 

Pressure Transmitters & Switches :


Our Pressure Transmitters & Switches come with various advanced functions which are as follows.


Specifications :

  • Oxygen version
  • Ship approval
  • Flush Diaphragm
  • Field adjustable set point high resolution/ high accuracy field adjustment mechanism
  • Adjustable set points from 0.1” to 100.0” H2O
  • Variety of options for ports and mounting
  • Gold Inlay contacts

 

Accuracy0.25 up to ±1.0% of span
Pressure Range

0...0.1 up to 0...1000 Bar

-1...0 up to -0.1...0 bar

 

Temperature Transmitters:


Our Temperature Transmitters are well known for providing quick & accurate reading and equipped with many advance functions.

 

Specifications:

  • Configurable measuring ranges
  • For industrial applications
  • Input: Pt100, Pt1000, thermocouples
  • Analogue signal processing
  • Features Universal, versions for pt100 and thermocouples
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PID Temperature Controllers

PID Temperature Controllers
  • PID Temperature Controllers
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Approx. Price: Rs 3,500 / Piece(s)

We have in offer precision engineered Low Cost PID Temperature Controllers that has dust and splash proof front panel, which is equivalent to IP66 / NEMA4X. These are engineered from the best quality raw material and are acknowledged for their sturdy construction and durable service life.

 

Technical Specifications:


  • CE approved
  • Auto tune pid
  • Outputs relay, 4-20mA, 0-10Vdc, SSR Drive
  • Sizes- 48 x 48 mm., 48 x 96 mm., 96 x 96 mm.
  • Dual outputs with dual alarms
  • Multi inputs (T/C: J,K,R,S,T,B,E,N; RTD: Pt100/JPt100; mV, volt, current
  • Accuracy ±0.2% of FS ON/OFF temperature controller/ indicator
  • Accepts thermocouple (J,K,R,S), RTD(Pt100) & linear
  • Options RS232/RS485 communication, process variable retransmission, remote analog set point, transducer excitation
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PID Temperature Controller

PID Temperature Controller
  • PID Temperature Controller
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Approx. Price: Rs 8,000 / Piece(s)

We have in offer precision engineered Low Cost PID Temperature Controller that has dust and splash proof front panel, which is equivalent to IP66 / NEMA4X. These are engineered from the best quality raw material and are acknowledged for their sturdy construction and durable service life.

 

Technical Specifications:


  • CE approved
  • Auto tune pid
  • Outputs relay, 4-20mA, 0-10Vdc, SSR Drive
  • Sizes- 48 x 48 mm., 48 x 96 mm., 96 x 96 mm.
  • Dual outputs with dual alarms
  • Multi inputs (T/C: J,K,R,S,T,B,E,N; RTD: Pt100/JPt100; mV, volt, current
  • Accuracy ±0.2% of FS ON/OFF temperature controller/ indicator
  • Accepts thermocouple (J,K,R,S), RTD(Pt100) & linear
  • Options RS232/RS485 communication, process variable retransmission, remote analog set point, transducer excitation
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Interface Converters

Interface Converters
  • Interface Converters
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Approx. Price: Rs 300 / Piece
We deal in manufacture and supply of various Hi-tech electric and electronic instruments, which include, RS232 to RS485 converter units. We will here not go into the specifics of how the RS232 or RS485 protocol works, but if you are interested in this then there is lots of RS232 and RS485 information on Wikipedia, including how a USB to serial adapter works. We will however demonstrate the most common ways of connecting a RS232 to RS485 converter. RS232 to RS485 converters are mostly used in industrial and commercial environments. The reason is that the RS485 converter can be used for multi-drop networks, meaning that you for example can connect multiple RS485 devices to one computer. Up to 32 devices can be connected in one network to communicate on a single pair of wires (plus a ground wire), and the number can even be increased by using RS485 repeaters. This type of communication is called half-duplex communication. Most quality RS485 converters can communicate in this manner of up to 4000 feet (1200 meters). The RS485 converter is also fairly resistant to noise which is one more reason why it is favored in industrial environments.
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Additional Information:

  • Item Code: RS232-RS485
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Rajesh Bhavsar (Partner)
15, Jahnvi Industrial Estate, S. P Ring Road Circle Near Safari Hotel, Odhav
Ahmedabad- 382415, Gujarat, India


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