Libratherm Instruments Private Limited
Libratherm Instruments Private Limited
Dahisar East, Mumbai, Maharashtra
GST No. 27AABCL1732A1Z5
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On-Off Temperature Process Controller

On-Off Temperature Process Controller
  • On-Off Temperature Process Controller
  • On-Off Temperature Process Controller
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Approx. Price: Rs 5,000 / PieceGet Latest Price

Product Details:

Minimum Order Quantity1 Piece
BrandLibratherm
Model No.HTC-966
Size96 x 96 mm
Control TypeOn-Off
Input TypeRTD, Thermocouple
Temperature RangeSubject to the full range of the specified input
Display Type4 Digit/7 Segment
Voltage110-230 VAC
Frequency50/60 Hz
TypeDigital

Two To Six Set Point On-off Temperature Process Controller

Libratherm 
offers New version HTC-966 which are designed and developed using the latest micro-controller. The specification incorporated serves the every simple and critical process control applications of the industry. It accepts input from temperature sensors like thermocouple, RTD (Pt-100), Infrared thermocouple, or pyrometers generating mV or mA signals or from the level/flow/pressure/pH transmitters in the form of (4-20) mA. The input signals from thermocouples and RTD (Pt-100) are software Linearized for 1oC/0.1oC indicating accuracy. It can also be used for other process control applications like pressure control, level control etc. accepting input signals from the respective transmitter or transducers.

HTC-723 / HTC-966 accepts universal input. User can select one of 8 different types of input using back panel DIP switch. This is the added advantage over the fixed type of input.

The controller HTC-723 and HTC-966 has respectively 2 to 4 and 2 to 6 programmable set points. Each can be configured as either High Alarm or Low Alarm or Deviation Alarm or for Off state with programmable ON/OFF hysterisis through user friendly membrane key board. Dual 4 digits display allows simultaneous indications of the process value and the set value. In addition these models can give two nos. retransmission output of 4-20mA proportional to process value, for remote indication of the process value.

Features:
• Highly accurate and sturdy in operation.
• Elegant looks, Very easy to operate.
• Accepts standard type of thermocouple or RTD (Pt-100) 2 or 3-wire input.
• Control output of Relay or DC pulse or TRAIC.
• Programmable Hysterisis.
• User configurable output up to 4 or 6 set points.
• Models available in 2, 3 and 4 configurable set points
• High quality membrane keypad.
• Operates on Universal supply of 90 to 250 VAC, 50/60 Hz.

Application:
• Pressure control
• Heater bank selection
• Star delta changeover
• Level control
• Process industry
• Plastic / Packaging industry
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Additional Information:

  • Item Code: HTC-966
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
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DC Power Supply For Sensor / Loop Powered Transmitter LPS-24

DC Power Supply For Sensor / Loop Powered Transmitter LPS-24
  • DC Power Supply For Sensor / Loop Powered Transmitter LPS-24
  • DC Power Supply For Sensor / Loop Powered Transmitter LPS-24
  • DC Power Supply For Sensor / Loop Powered Transmitter LPS-24
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Approx. Price: Rs 1,250 / eachGet Latest Price
Product Brochure

Product Details:

Minimum Order Quantity1 each
Output Voltage24VDC @ max.300mA,(7.5watt max)
BrandLibratherm
ModelLPS-24
Input Supply90-240VAC, 50/60Hz
TerminalsScrew-on type plug and socket for Input and Output termination.
Size or Mounting90 h x 60 w x 35 d mm. / Centre to Centre 72 mm using 2 x M3 screws.
Power ON IndicationRed LED turns ON and visible from front.
EnclosureSheet metal MS powder coated

Features:
  • Latest SMPS design
  • Stable and regulated 24VDC
  • Protected against Industrial RFI/EMI interferences.
  • Wide input supply of 90 to 240VAC
  • Built in overload protection.

Description:

Libratherm offers industrially proven and time tested 24VDC switch mode power supply to meet various industrial requirements. It is compact, sufficienly rated useful power source to power extenal devices like 24vdc operated solenoid valves, Sensors, 2 or 4 wire process transmitters like Pressure transmitters, temperature transmitters, flow transmitters. 24vdc operated signal isolators/convertors/instruments/actuator valves/lamps etc. To generate 24VDC logic pulse or level as Digital input to PLC, HMI, thyristor switch module or other such devices. This economical and low rating power supply often serves most of the applications where high power / bigger size 24VDC power supply is not required and hence user will have advantage of saving on cost and panel space.
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Additional Information:

  • Item Code: LPS-24
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
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Three Phase Heater Fail / Over Load Detection Module HFM-3

Three Phase Heater Fail / Over Load Detection Module HFM-3
  • Three Phase Heater Fail / Over Load Detection Module HFM-3
  • Three Phase Heater Fail / Over Load Detection Module HFM-3
  • Three Phase Heater Fail / Over Load Detection Module HFM-3
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Approx. Price: Rs 3,500 / NumberGet Latest Price
Product Brochure

Product Details:

Minimum Order Quantity1 Number
ApplicationHFM-3-OVL (for over load detection) or HFM-3-OPL (for open load detection)
Model NumberHFM-3
Size110 x 110 x 50 mm
BrandLIBRATHERM
Available ConfigurationThree phase single heating zone or single phase 3 independent heating zone.
Reference SignalTo be derived from the external temperature controller in the form of 4-20mA/0-5V/DC pulse/Potential
Current FeedbackMax. 20A for each heater through built in CT or using external CT of 5A ratio.
Fault OutputRelay changeover contacts - 3 nos. of NO-C-NC contacts for 3 sets of heater loads, with LED indicati
Load TypeSuitable for resistive heating load single phase x 3 or three phase x 1
Aux Supply Voltage230VAC +/-10%, 50/60Hz @ max.4A
MountingDIN rail or stud mount.

DESCRIPTION:

In the heating process, it is very important to ensure that the electrical heaters remain healthy, however over a period of time, practically heaters do have tendency to either go open due to break in the heating element or two close elements likely to get short with each other and comes in parallel thereby effective resistance drops and tend to draw current more than the normal rated current. When the heater goes open, it reduces the heating capacity and increases the burden on other healthy heating elements to achieve desired set temperature. When the heater shorts the current drawn increases and may lead to burning of contacts and connecting leads and wires and it may lead to fire hazard. To safeguard the process operation against such heater behavior, it is indispensable to monitor the status of heaters on continuous basis. The only way to detect the heater status is to monitor the current flowing through it.

HFM-3 is designed to detect the failure (open or short/over load) of any of the 3 independent or 3 phase heater load. Heater current per phase of max.20A can be allowed to pass through the individual in-built CTs (for higher load current external CT with 5A CT ratio can be used). User can pass the 3 individual load cable of max. 4 square mm through each of the 3 nos. of built-in CT.  The heater failure either open or short circuiting is detected by comparing Reference input command and the maximum current through each heater under normal condition with the desired set current, adjustable using on card presets marked P1, P2 and P3. When the current through the heater exceeds the set level of current, the respective on card relay energizes and respective LED will glow. This condition will remain true till the current through the heater falls below the set level of current and then relay will de-energize and LED will go off. HFM-3 works on single phase AC supply of 230VAC+/10% @ max. 4VA. It can be mounted on 35mm C rail or G rail.  While placing the order, user may specify the requirement type HFM-3-OVL (for over load detection) or HFM-3-OPL (for open load detection), based on the likelihood of heater fail condition, since, HFM-3 can detect any one condition at a time.
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Additional Information:

  • Item Code: HFM-3
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
  • Production Capacity: 1
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Kamlesh Panchal (Managing Director)
Libratherm Instruments Private Limited
No. 401-403, Diamond Industrial Estate, Ketki Pada Road
Dahisar East, Mumbai - 400068, Maharashtra, India
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