Libratherm Instruments Private Limited
Libratherm Instruments Private Limited
Dahisar East, Mumbai, Maharashtra
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Multizone PID Ramp And Soak Programmable

Microprocessor Ramp & Soak Programmable

Six Zone PWHT/SR Temperature Control Panel

Six Zone PWHT/SR Temperature Control Panel
  • Six Zone PWHT/SR Temperature Control Panel
  • Six Zone PWHT/SR Temperature Control Panel
  • Six Zone PWHT/SR Temperature Control Panel
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Approx. Price: Rs 95,000 / Number

Product Details:

Minimum Order Quantity1 Number
Input SensorK type thermocouple
Number of InputsSix
Range1 to 1200 oC
Resolution1oC for thermocouples
Display ScreenGraphical LCD (Blue colour) with 6 windows for 6 zones
Output IndicationAvailable on the display screen

Libratherm offers ready to use customized control panel for PWHT/SR cycle - duly wired with A) per zone zero cross over single phase thyristor rated for max. 80A load @ 40 to 240VAC B) Thermocouple plug sockets for controller as well as for external recorder C) Aux. supply mains cord D) Indicating lamps E) heavy duty plug socket for external heater contactor.

Features:
  • Accepts six K type (Cr/Al) of thermocouple.
  • Blue colour graphical LCD screen for clear visibility
  • Six independent control Relay.
  • Servo start from the current process temperature.
  • 1 to 4 programmable ramp/soak steps with rate programming facility
  • (common for all 6 zones or independent per zone)
Applications:
  • Furnace / oven control
  • PWHT and SR heat treatment cycle
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Additional Information:

  • Item Code: PRC-6000-Panel-Six-Zone
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
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Six Zone Temperature Programmer PRC-6000 for PWHT / SR

Six Zone Temperature Programmer PRC-6000 for PWHT / SR
  • Six Zone Temperature Programmer PRC-6000 for PWHT / SR
  • Six Zone Temperature Programmer PRC-6000 for PWHT / SR
  • Six Zone Temperature Programmer PRC-6000 for PWHT / SR
Get Best Quote
Approx. Price: Rs 50,000 / Number

Product Details:

Minimum Order Quantity1 Number
Input SensorK type thermocouple
SettingsUsing front panel feather touch key board to set various parameters.
Control Output6 relay (C+NO1 to NO6) Contacts are rated for 5A @ 230VAC
Master or Slave optionalUser programmable as Master or Slave for multi-zone control
Ramp or Soak Profile1 to 4 Steps (Pre heating + Ramp heating + soaking + cooling)
Ramp rate Pr1oC/hour to 1200oC/hour
Soak Temperature PLProgrammable for each steps in the full range of the specified input
Soaking Time Pd0.1 to 100Hour. (Resolution of 0.1 hour 6 minutes)
Program Hold Facility dHLdManual Hold or Auto Hold (Hold back feature for guaranteed Ramp/Soak facility).
Serial Communication Port One OptionalGalvanic isolated 2 wire RS485 -Modbus RTU protocol - for both master and slave
Number of InputsSix
Range1 to 1200 oC
Serial Communication Port Two OptionalGalvanic isolated 2 wire RS485 -Modbus RTU protocol - for interface to computer
Supply230VAC /115VAC +/-10% (Any one to be specified), 50/60 Hz. @ 15VA
Size96w x 96h x 170d mm.
Panel Cutout92 x 92 mm. +/- 0.5 mm.
EnclosureMS Powder coated with polycarbonate front graphic
Resolution1oC for thermocouples
TuningManual tuning of PID values.
Indicating Accuracy+/- 1 oC for Thermocouple throughout the range
Display ScreenGraphical LCD (Blue colour) with 6 windows for 6 zones
Output IndicationAvailable on the display screen
Control AlgorithmPID or ON/OFF (user selectable).
Open sensor indicationOPEn flashes on the display and control action is turned off for that zone.
BrandLIBRATHERM

Model Wise Description:
ModelDescriptionSize w x h x d (mm.)
PRC-6000Six input/output and Six independent 4 steps profile programmer cum temperature controller96 x 96 x 160

Description:

Libratherm manufactures Six zone Microcontroller based multiple Ramp / Soak programmable PID / On-Off temperature controller cum profile programmer Model PRC-6000 which is designed to improve reliability, accuracy and control of six independent heating zones. It features Ramp and Soak functions (the capability to control the temperature and its rate of change over a predetermined time span). Single and common pattern of 4 ramp/soak steps – (Fixed pattern of 1st pre-heating ramp, 2nd heating ramp, 3rd soaking and 4th cooling ramp) for all six zones or each of the six zone can be independently programmed and stored in the memory. PRC-6000 can also be used as single set point control when the ramp/soak profile control is not desired. PRC-6000 accepts six K type thermocouples and provides outputs in the form of 6 relay contacts in PID or ON/OFF control mode. An extra relay contact is provided to indicate the thermocouple fault condition.

PRC-6000 offers blue colour graphical LCD screen to display temperature of all six zones simultaneously on a single screen. The programmed and running ramp/soak profile can be easily monitored. The front panel keyboard allows programing of ramp/soak profile, PID values, deviation hold values and viewing of various status parameters for all six zones under control. Through keyboard, user can operate each heating zone either in Auto mode or Manual mode.

To monitor the online temperature profile of the heating system, RS 485 serial communication interface can be optionally provided, the same can be connected to the computer. Libratherm provides the window based software to program the controller and to view the online behavior of the heating cycle in both graphical and tabular format. Extra RS485 port can be provided for Master/Slave programming with single master and maximum 10 slaves.

Features:
  • Accepts six K type (Cr/Al) of thermocouple.
  • Blue colour graphical LCD screen for clear visibility
  • Six independent control Relay.
  • Servo start from the current process temperature.
  • 1 to 4 programmable ramp/soak steps with rate programming facility
(common for all 6 zones or independent per zone)

Applications:
  • Furnace / oven control
  • PWHT and SR heat treatment cycle
Request
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Additional Information:

  • Item Code: PRC-6000
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
Yes! I am interested

Microprocessor Based Multi-zone Ramp Controller

Microprocessor Based Multi-zone Ramp Controller
  • Microprocessor Based Multi-zone Ramp Controller
  • Microprocessor Based Multi-zone Ramp Controller
  • Microprocessor Based Multi-zone Ramp Controller
Get Best Quote
Approx. Price: Rs 75,000 / Unit

Product Details:

Minimum Order Quantity1 Unit
EnclosureMetal enclosure with ABS front
Supply230VAC / 110 VAC +- 10% (10VA), 50/60Hz
InterfaceSerial (RS232/RS485) on Modbus ASCII Protocol
Control OutputDC pulses, Triac, (4-20)mA or (0-5)VDC.
BrandLibratherm
Size48*48 mm

Model Wise Description:
ModelDescription
PRC-8000-44 input and 4 zone  Ramp / Soak Programmable Profile PID Temperature Controller 
PRC-8000-66 input and 6 zone  Ramp / Soak Programmable Profile PID Temperature Controller 
PRC-8000-88 input and 8 zone  Ramp / Soak Programmable Profile PID Temperature Controller 

Description:
Libratherm offers Microprocessor based Eight Zone PID Temperature indicator / Controller (Model PRC-8000) for accurate temperature control of multiple zone Gradual Heating and Cooling is required. PRC 8000 is ideally suitable and is most economical as it eliminates the need for number of individual PID or ON/OFF Temperature Controllers required per zone. Each zone can be independently programmed for 16 steps of Ramp/Soak profile. Each loop parameters like PID, Hysteresis, Deviation Hold, Facility to skip unused channel etc… can be programmed from the user-friendly front panel membrane keyboard. The programmed profile and other parameters are retained in the non-volatile memory in the event of power failure.

PRC 8000 can accept 8 Thermocouples or RTD(Pt-100)3 wire inputs and can provide switching PID or ON/OFF Control output in the form of DC Pulses or SSR or relay to drive external load contactor drivers for heating and cooling. It can simultaneously provide 8 analog PID control outputs in the form of (4-20)mA or (0-5)volt, which can be used to control heater power through Thyristor power pack (for electrical heating system) or to control the position of a modulating motor valve (for oil or gas fired heating systems). The analog outputs can be directly connected to Libratherm make single phase / three phase SCR phase angle fired power controller which is ideally suitable for both resistive and inductive heating load

With the facility of copying Ramp/Soak profiles parameters of the single zone temperature controller to the all other available zones. Based on eight zone temperature controller is programed for Temperature Controller.

Features:
  • Microprocessor based design.
  • Eight zone - independent, uniform or average control
  • Highly accurate and sturdy in operation.
  • Accuracy better than ± 0.1 % of the full scale.
  • Accepts standard type of thermocouple or RTD(Pt-100)/2 or 3-wire input.
  • Control output of Relay or TRAIC or DC pulse or (4-20)mA or (0-5)Volt or any other.
  • Servo start from the process temperature
  • Deviation hold back facility (common or individual)
  • Copying facility
  • Facility to use as PID and / or ON / Off controller
  • Hardware security locks for unauthorized tempering of the set values.
  • 3 separate displays to display channel no, process temp. & Set temp.
  • (Extra 6 digit display for real time clock – for PC/Printer interface)
  • Models with 2, 4, 6 & 8 inputs are available.
  • 1 to 16 Ramp / Soak steps individually programmable per zone.

Application:
  • Heat Treatment
  • Large ovens and furnace with multiple sensors
  • Environmental Chambers
  • Multi zone Stress relieving furnace
  • Pre and Post welding heat treatment
  • Tunnel furnace
  • Normalizing furnace


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Additional Information:

  • Item Code: PRC-8000
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
Yes! I am interested
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Kamlesh Panchal (Managing Director)
No. 401-403, Diamond Industrial Estate, Ketki Pada Road Dahisar East
Mumbai- 400068, Maharashtra, India



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