Libratherm Instruments Private Limited
Libratherm Instruments Private Limited
Dahisar East, Mumbai, Maharashtra
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Signal Converter Isolator

Libratherm offers AC / DC Signal Convertor cum Isolator (Model: ISM-10), designed in 35 mm. DIN Rail compatible modules. These modules accepts AC/DC input signal and provides optically / galvanically isolated output in the form of (4-20)mA or (0-5)V or (0-10)V proportional to the input signal. Both the input and output levels have their grounds optically / galvanically isolated. Thus the process signals received from the Transducers or transmitters or Sensors can be directly connected through ISM-10 to the PLC, DCS or to any other electronics in the process industry accepting such signals, without any signal loss or ground line interference. The ZERO and SPAN presets are accessible to the user for on site calibration and matching.

Single Input And Single Output Signal Convertor Isolator

Single Input And Single Output Signal Convertor Isolator
  • Single Input And Single Output Signal Convertor Isolator
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Approx. Price: Rs 4,500 / Unit

Product Details:

Minimum Order Quantity1 Unit
Input VoltageAC/DC input
Output Voltage(4-20) mA, (0-20) mA, (0-1) VDC, (0-5) VDC, (0-10) VDC, Frequency (0-1)KHz, (0-5)KHz, (0-10)KHz etc
ApplicationInterface of low-level signals coming from the sensors or transducers from the plant to DCS, SCADA
Mounting TypeDIN RAIL

Libratherm offers AC / DC Signal Convertor cum Isolator (Model: ISM-10), designed in 35 mm. DIN Rail compatible modules. These modules accepts AC/DC input signal and provides optically / galvanically isolated output in the form of (4-20)mA or (0-5)V or (0-10)V proportional to the input signal. Both the input and output levels have their grounds optically / galvanically isolated. Thus the process signals received from the Transducers or transmitters or Sensors can be directly connected through ISM-10 to the PLC, DCS or to any other electronics in the process industry accepting such signals, without any signal loss or ground line interference. The ZERO and SPAN presets are accessible to the user for onsite calibration and matching.

These modules operate on 230 VAC or 110 VAC supply or 24VDC. The module with single input and multiple parallel outputs (Model ISM-10-X and ISM-12-X) can also be provided to meet the process control requirement requiring simultaneous change of 2 to 4 outputs proportional to the single input variation. These modules are rugged, reliable, field proven and economically priced.

New model ISM-12-2-X for two input and two/four output is also available for V to V, V to I, I to I or I to V conversion.
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Additional Information:

  • Item Code: ISM-10
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
  • Production Capacity: 10
  • Delivery Time: Ex-Stock
  • Packaging Details: Paper Corrugated Box
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Four Input Output Signal Convertor Isolator ISM-400

Four Input Output Signal Convertor Isolator  ISM-400
  • Four Input Output Signal Convertor Isolator  ISM-400
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Approx. Price: Rs 12,500 / Unit

Product Details:

Minimum Order Quantity1 Unit
Input DC voltage of 0-5V/0-10V, DC current of 0-20mA/4-20mA
No. of Inputs4 maximum.
Outputs(4-20) mA, (0-20) mA, (0-5) VDC, (0-10) VDC proportional to the specified input range.
Isolation VoltageMaximum 2.5KV for 60 seconds
LinearityBetter than +/-0.1% of the range
AccuracyBetter than +/-0.5% over the entire calibration range.
Input Voltage0-5V/0-10V

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Additional Information:

  • Item Code: ISM-400
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
  • Production Capacity: 1000
  • Delivery Time: Ex-Stock
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Load Cell to 4-20 mA Converter LCC-04

Load Cell to 4-20 mA Converter LCC-04
  • Load Cell to 4-20 mA Converter LCC-04
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Approx. Price: Rs 15,000 / Unit

Product Details:

Minimum Order Quantity1 Unit
Input1 to 4 load cells
OutputAverage output of all connected load cells in the form of 4-20mA proportional to calibrated range.
SupplyAC Supply: 230VAC +/-10%, 50/60Hz
Excitation Voltage5 to 12VDC
IsolationInput and Output are optically isolated - (3 - way isolation)

Libratherm offers these two models LCC-04 to convert the load cell input to equivalent 4-20 mA output. Both the models can accept either single or up to four load cells – internally looped for parallel connections to give resultant and proportional 4-20mA signal as the summation / average of all the connected load cells. Since (4-20)mA signal being less susceptible to electrical noise, it can be taken to the long distance over ordinary copper wires, which can be fed to the Digital Indicator, PLC, Computer or other host of interfacing devices in the control room.

The stable and sufficiently rated adjustable or fixed excitation voltage of 5 to 12VDC is generated internally to power the load cells. Internal ZERO and SPAN presets are available to tare the dead weight and also for onsite calibration of 4-20mA to improve the measurement range and resolution. The high input impendence instrumentation amplifier with ultra low drift gives stable output to maintain long term accuracy and stability of weight measurement in the batch weighing process industry. LCC-04 is available in IP65 field mount ABS enclosure and LCC-10 is available in DIN rail mount ABS enclosure. They operate on 230VAC +/-20% supply.
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Additional Information:

  • Item Code: LCC-04
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
  • Delivery Time: Normally Ex-Stock
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Load Cell to 4-20 mA Converter LCC-10

Load Cell to 4-20 mA Converter LCC-10
  • Load Cell to 4-20 mA Converter LCC-10
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Approx. Price: Rs 5,000 / Unit

Product Details:

Minimum Order Quantity1 Unit
Input1 to 4 load cells
Excitation Voltage5 to 12VDC @ max.200mA (Suitable for 1 to 4 load cells)
OutputAverage output of all connected load cells in the form of 4-20mA proportional to calibrated range.
MountingSurface mount or wall mount
AccuracyAbsolute to the input

Libratherm offers these two models LCC-04 and LCC-10 to convert the load cell input to equivalent 4-20 mA output. Both the models can accept either single or up to four load cells – internally looped for parallel connections to give resultant and proportional 4-20mA signal as the summation / average of all the connected load cells. Since (4-20)mA signal being less susceptible to electrical noise, it can be taken to the long distance over ordinary copper wires, which can be fed to the Digital Indicator, PLC, Computer or other host of interfacing devices in the control room.

The stable and sufficiently rated adjustable or fixed excitation voltage of 5 to 12VDC is generated internally to power the load cells. Internal ZERO and SPAN presets are available to tare the dead weight and also for onsite calibration of 4-20mA to improve the measurement range and resolution. The high input impendence instrumentation amplifier with ultra low drift gives stable output to maintain long term accuracy and stability of weight measurement in the batch weighing process industry. LCC-04 is available in IP65 field mount ABS enclosure and LCC-10 is available in DIN rail mount ABS enclosure. They operate on 230VAC +/-20% supply.
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Additional Information:

  • Item Code: LCC-10
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
  • Delivery Time: Normally Ex-Stock
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Vacuum and Pressure Sensor / Transmitter VPX-3000

Vacuum and Pressure Sensor / Transmitter VPX-3000
  • Vacuum and Pressure Sensor / Transmitter VPX-3000
  • Vacuum and Pressure Sensor / Transmitter VPX-3000
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Approx. Price: Rs 12,500 / Unit

Product Details:

Minimum Order Quantity1 Unit
BrandLIBRATHERM
Model Number/NameVPX-3000

Vacuum / Pressure Transmitter model VPX-3000 and DPX-3000 are designed using the temperature compensated, piezo -resistive silicon pressure sensor packaged in a dual-inline configuration and intended for cost sensitive applications where excellent performance and long-term stability are required. Integral temperature compensation is provided over a range of 0-50°C using laser-trimmed resistors. The differential signal generated by the pressure sensor is converted to equivalent 4-20mA retransmission signal in the desired calibration range, for long distance transmission. The 4-20mA signal is isolated from the DC power supply. The pressure transmitters VPX-3000 and DPX-3000 are available in absolute or differential pressure ranges from 0-1 to 0-300 psi.

Features:
  • Built-in Vacuum and Pressure absolute / differential sensor.
  • 4-20mA proportional output for each sensor.
  • IP 65 ABS plastic enclosure.
  • Lockable fixture for standard 4 mm PVC pipes.
  • Operates on 18 to 36VDC.
  • Measurement range of 0 to 300 PSI (differential or absolute)

Applications:
  • Medical and Pharmaceutical test equipment.
  • Altitude and Air speed measurement.
  • Process control and Factory Automation.
  • Leak Detection etc…
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Additional Information:

  • Item Code: VPX-3000
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
  • Delivery Time: Ex-Stock
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Signal Convertor Isolator Module with Digital display TSC-05

Signal Convertor Isolator Module with Digital display TSC-05
  • Signal Convertor Isolator Module with Digital display TSC-05
  • Signal Convertor Isolator Module with Digital display TSC-05
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Approx. Price: Rs 17,500 / Number

Product Details:

Minimum Order Quantity1 Number
Supply 24VDC +/- 10%
Isolation VoltageGreater than 2KV AC/DC
Response TimeLess than 50 mS
Isolation Input and Output are optically isolated for DC inputs
Serial InterfaceRS485-MODBUS RTU protocol-Optional
Mounting TypeDIN RAIL

ModelProduct Description
TSC-05Microcontroller based Signal Convertor / Isolator Module with 5 digit display

Description:
Libratherm offers microcontroller based Signal Convertor cum Isolator (Model TSC-05) in 35 mm. DIN Rail compatible modules. This model accepts user selectable universal input from Thermocouple, RTDs, (4-20)mA DC current and Resistance signal and provides single or dual optically isolated output in the form of (4-20)mA or (0-5)V or (0-10)V, which is proportional and linearized to the input signal. The input signal is processed by 16-bit ADC and the same is indicated on 5 digit LED display. The display also allows user to select the input type. LED indications on the front - shows the status of selected input type.

The input and output signals have their grounds optically isolated. Thus the process signals received from the Transducers or transmitters or Sensors can be directly connected through TSC-05 to the PLC, DCS or to any other electronics in the process industry accepting such signals, without any signal loss or ground line interference. Front panel keyboard is provided for Input type selection and calibration. TSC-05 operates on 24VDC supply.

Features:
  • Accepts universal DC signal inputs and provides single or dual optically isolated,
  • Proportional and linearized analogue output.
  • Bright red 7 segment LED display
  • On site calibration and input selection facility-using front panel key board.
  • Operates on 24VDC power supply.
  • DIN rail mounting.
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Additional Information:

  • Item Code: TSC-05
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
  • Delivery Time: Ex-Stock
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Single Input and Multi Output ISM-10-2 Signal Isolator

Single Input and Multi Output ISM-10-2 Signal Isolator
  • Single Input and Multi Output ISM-10-2 Signal Isolator
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Approx. Price: Rs 5,000 / Unit

Product Details:

Minimum Order Quantity1 Unit
InputAC/DC input signal
Outputoptically / galvanically isolated output
No. Of OutputsMaximum 4 parallel independent outputs can be provided for single input.
Size45 x75 x 100

Libratherm offers AC / DC Signal Convertor cum Isolator (Model: ISM-10), designed in 35 mm. DIN Rail compatible modules. These modules accepts AC/DC input signal and provides optically / galvanically isolated output in the form of (4-20)mA or (0-5)V or (0-10)V proportional to the input signal. Both the input and output levels have their grounds optically / galvanically isolated. Thus the process signals received from the Transducers or transmitters or Sensors can be directly connected through ISM-10 to the PLC, DCS or to any other electronics in the process industry accepting such signals, without any signal loss or ground line interference. The ZERO and SPAN presets are accessible to the user for onsite calibration and matching.

These modules operate on 230 VAC or 110 VAC supply or 24VDC. The module with single input and multiple parallel outputs (Model ISM-10-X and ISM-12-X) can also be provided to meet the process control requirement requiring simultaneous change of 2 to 4 outputs proportional to the single input variation. These modules are rugged, reliable, field proven and economically priced.

New model ISM-12-2-X for two input and two/four output is also available for V to V, V to I, I to I or I to V conversion.
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Additional Information:

  • Item Code: ISM-10-2
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
  • Delivery Time: Normally Ex-Stock
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Single Input And Single Output ISM-12 Signal Isolator

Single Input And Single Output ISM-12 Signal Isolator
  • Single Input And Single Output ISM-12 Signal Isolator
  • Single Input And Single Output ISM-12 Signal Isolator
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Approx. Price: Rs 3,500 / Unit

Product Details:

Minimum Order Quantity1 Unit
MakeLibratherm
Supply24 VDC
Size22 x 75 x 100
Mounting TypeDIN RAIL

Libratherm offers AC / DC Signal Convertor cum Isolator (Model: ISM-10), designed in 35 mm. DIN Rail compatible modules. These modules accepts AC/DC input signal and provides optically / galvanically isolated output in the form of (4-20)mA or (0-5)V or (0-10)V proportional to the input signal. Both the input and output levels have their grounds optically / galvanically isolated. Thus the process signals received from the Transducers or transmitters or Sensors can be directly connected through ISM-10 to the PLC, DCS or to any other electronics in the process industry accepting such signals, without any signal loss or ground line interference. The ZERO and SPAN presets are accessible to the user for onsite calibration and matching.

These modules operate on 230 VAC or 110 VAC supply or 24VDC. The module with single input and multiple parallel outputs (Model ISM-10-X and ISM-12-X) can also be provided to meet the process control requirement requiring simultaneous change of 2 to 4 outputs proportional to the single input variation. These modules are rugged, reliable, field proven and economically priced.

New model ISM-12-2-X for two input and two/four output is also available for V to V, V to I, I to I or I to V conversion.
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Additional Information:

  • Item Code: ISM-12
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
  • Delivery Time: Normally Ex-Stock
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Differential Pressure Transmitter (Single/dual ch.) DPX-3000

Differential Pressure Transmitter (Single/dual ch.) DPX-3000
  • Differential Pressure Transmitter (Single/dual ch.) DPX-3000
  • Differential Pressure Transmitter (Single/dual ch.) DPX-3000
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Approx. Price: Rs 8,500 / Number

Product Details:

Minimum Order Quantity1 Number
Output4-20mA RL Max 400 Ohm
Input Pressure (Pascal)0 to 700 Pascal / 0.0 to 71.4 mmWC
BrandLIBRATHERM
Model Number/NameDPX-3000-1

Differential Pressure Transmitter model DPX-3000 are designed using the temperature compensated, piezo -resistive silicon pressure sensor packaged in a dual-inline configuration and intended for cost sensitive applications where excellent performance and long-term stability are required. Integral temperature compensation is provided over a range of 0-50°C using laser-trimmed resistors. The differential signal generated by the pressure sensor is converted to equivalent 4-20mA retransmission signal in the desired calibration range, for long distance transmission. The 4-20mA signal is isolated from the DC power supply. The pressure transmitters DPX-3000 are available in absolute or differential pressure ranges from 0-1 to 0-300 psi.

Features:
  • Built-in Vacuum and Pressure absolute / differential sensor.
  • 4-20mA proportional output for each sensor.
  • IP 65 ABS plastic enclosure.
  • Lockable fixture for standard 4 mm PVC pipes.
  • Operates on 18 to 36VDC.
  • Measurement range of 0 to 300 PSI (differential or absolute)

Applications:
  • Medical and Pharmaceutical test equipment.
  • Altitude and Air speed measurement.
  • Process control and Factory Automation.
  • Leak Detection etc…
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Additional Information:

  • Item Code: DPX-3000-1
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
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Differential Pressure Transmitter for HVAC DPX-220

Differential Pressure Transmitter for HVAC DPX-220
  • Differential Pressure Transmitter for HVAC DPX-220
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Approx. Price: Rs 5,500 / Number

Product Details:

Minimum Order Quantity1 Number
ModelDPX-220
Pressure Linearity+/-0.25%
Process Input SS NozzlesSelf lockable nozzle for Industrial standard 4 mm pvc tube.
DP RangeAs per table given below
Output4-20 mA or 0-10VDC proportional to the specified range
Isolation4-20mA / 0-10V signal is galvanically isolated from the supply.
Load ResistanceRLmax = 400 Ohms @ 24VDC
Supply Voltage18 - 36VDC @ 100mA max
EnclosureABS plastic IP-65 with suitable wall mounting clamps.
Enclosure Size70 x 75 x 40 (w x h x d) mm. with mounting holes
Sensor MakeModel 4425 from Measurement Specialties - France
Standard signal Cable1 meter long

Features:
  • Built-in differential Pressure sensor.
  • 4-20mA or 0 to 10VDC proportional to DP range
  • IP 65 ABS plastic enclosure.
  • Lockable fixture for standard 4 mm PVC pipes.
  • Operates on 18 to 36VDC.
  • Max. Measurement range of 0 to 1000 Pascal


Applications:
  • Medical and Pharmaceutical test equipment
  • Altitude and Air speed measurement
  • Process control and Factory Automation
  • Air Humidifier / Dehumidifier
  • Leak Detection etc…

Product Description:

Differential Pressure Transmitter model DPX-220 is designed using the temperature compensated, piezo -resistive silicon pressure sensor packaged in a dual-inline configuration and intended for cost sensitive applications where excellent performance and long-term stability are required. Integral temperature compensation is provided over a range of 0-50°C using laser-trimmed resistors. The differential signal generated by the pressure sensor is converted to equivalent 4-20mA/0-10VDC retransmission signal in the desired calibration range. The 4-20mA/0-10VDC signal is isolated from the DC power supply. The pressure transmitters DPX-220 is available in differential pressure ranges from 0-125 pascal and 0 to 500 pascal.

ORDERING MODEL- CODEDP IN PASCALDP IN mmWCOUTPUT
DPX-220-15C0 to 1500 to 164-20mA
DPX-220-15V0 to 1500 to 160-10V
DPX-220-30C0 to 3000 to 304-20mA
DPX-220-30V0 to 3000 to 300-10V
DPX-220-60C0 to 6000 to 604-20mA
DPX-220-60V0 to 6000 to 600-10V
DPX-220-100C0 to 10000 to 1024-20mA
DPX-220-100V0 to 10000 to 1020-10V
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Additional Information:

  • Item Code: DPX-220
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
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