Limit Controller Dealers in Dahisar, Mumbai

Features : Microcontroller based design. Elegant appearance, easy to operate and compact in size. Highly accurate and sturdy in operation. Dual display for simultaneous indication of T and RH. Field proven Algorithm, tested successfully for various HVAC control applications.

Libratherm offers various models of Digital and Microprocessor based Temperature and Humidity Indicator / controller. The model HTC-3000 and HTC-3003 are specially designed for Environmental test chambers, however, they can be used for any HVAC applications, where simultaneous and accurate control of desired temperature and humidity is required.The controller accepts input signal from direct RH sensor for humidity control and / or RTD (Pt-100) sensor for temperature control. The controller gives three dc pulse outputs for controlling Air heater for dry heat, Boiler heater for humidity and Compressor for low temperature control. The 4th output is also optionally available for dehumidification. The control action is PID or On/Off for heaters and On/Off with built in programmable time delay for compressor. The compressor can be operated in Auto, On or Off mode as per control temperature requirement - above ambient, below ambient or below zero. Each channel loop parameters like PID, Set and hysterisis can be programmed from the front keyboard. The additional facility of built in real time clock, RS-485 or RS-232 PC interface, data storage and printer output for 80-column dot matrix printer (CENTRONIX output - suitable for EPSON model LX-300+ or equivalent ) is also provided for analysis of temperature and humidity behaviour date and time wise.The Controller has the built in non-volatile memory for the retention of the programmed values in case of power failure and on resumption of power the control will resume from the last value. To suit the control system, the special interlocking of the compressors and heaters are incorporated to enhance the performance and safety of the entire control system, which is achieved by switching off the compressor, if the air heater temperature exceeds certain preset value.The model DTH-100 is a digital temperature/humidity indicator. The single and two set point on/off control outputs in the form of relay contacts are also available for simple control applications.

Libratherm offers Microprocessor based one to eight loop PID Temperature Controller (Model PID- 8000) for processes requiring multiple zones heating or heating plus cooling control. It is most suitable for difficult process, which results in frequent system disturbances, and applications where simultaneous and accurate temperature control of number of heatingcooling zone is required. It also eliminates the need for number of individual PID or ONOFF Temperature Controllers thereby saves on cost. PID-8000 can accept 8 similar type of Thermocouples or RTD (Pt-100) inputs and can provide switching PID or ONOFF Control output in the form of DC Pulses or SSR Drivers for heating and cooling. It can also simultaneously provide 8 analog PID control Outputs in the form of (4-20mA) or (0-5) volt, which can be used to drive external SCR Heater Power Controller or other actuators. Open or Faulty sensor indications for each zone is also displayed with the respective Zone No. Each zone loop parameters like PID, SET, Hysterisis, Power Limit and Ramp Time values can be independently programmed from the user-friendly front panel membrane keyboard. Features:  Microprocessor based design.  Elegant looks and Very easy to operate.  Accepts all types of maximum 8 inputs.  PID or ON Off heat and cool action per channel.  All zones are individually configurable for Heat or Cool.  Compact in size – ½ DIN (192 x 96 x 200 mm).

Specifications Accurate control of Torch to work distance be it Cutting of Welding, plays very important role for the quality of the end result Torch Height Controller (THC) is also known as Arc Voltage Controller (AVC) it is the device which maintains the arc gap between the torch & the work piece. Stepper motor driven vertical slide with motor driver & the controller allows the torch to move up or down depending upon the parameters set. Arc voltage which acts as a Feedback to the controller as reference voltage, allows operator to set the Torch to Job gap as per the process & the quality requirement. Arcraft Plasma has introduced Digital model DigiTHC100 Features of the DigiTHC100 are.......... Suitable for welding processes like TIG, Plasma welding, PTA or Powder plasma welding. Suitable for Plasma Arc cutting. Wide range of Arc voltage acceptability. Well protected from the High Frequency interference. Piercing program for plasma cutting. Programmability in terms of Arc Voltage or Arc Gap distance. Independently adaptable to any Plasma cutting or Welding power source Independently adaptable to CNC profile cutting machine. Independently adaptable to Welding Automation. Initial Height Sensing (IHS) comes in handy to pre-adjust the required gap before start of process. Advantages of DigiTHC100 Plasma Cutting Improvement in cut quality Improvement in consumable life upto 20% High productivity at high dimensional accuracy of cut components. Elimination of near collision condition of Torch & job. Welding Uniformity of weld beads Controlled weld heat input eliminates chances of higher percentage of dilution, lack of penetration, undercut etc. Easy adjustment of weld pool fluidity depending upon the application of weld & welding process by maintaining the constant gap & hence the heat input. Dramatic improvement in weld aesthetics.

Built-In Programmable Limit, Proportional (Pulse Length or Pulse Frequency) - ideal for precision process control applications :: User-Customization through Advanced Setup Menu offers flexibility in matching the controllers functions to suit individuals specific requirement :: Automatic Calibration with Auto-Buffer Recognition eliminates mistakes during calibration :: Symmetrical Mode Operation eliminates electronic noise problems when used with solution ground :: One-Point Online Calibration without shutting down the line :: Hold Relay for use with float switchesflow switches and other controllers as a failsafe function :: Two Level Password Protection prevents un authorized tampering with settings :: 0 to 2000 Second Time Delay Adjustment on control and alarm delays :: Galvanically Isolated Scaleable 0-204-20 mA Outputs for pHORP :: Wash Contact Relay controls electrodes cleaning systems at desired duration and frequency :: Choice of Glass or Antimony Electrode for general purpose or hydrofluoric acid applications :: Adjustable Hysteresis (Dead Band) prevents rapid contact switching near set point :: Non-Volatile Memory retains all stored parameters and calibration data even if power fails

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