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You are here > Product Range >> Panel Indication >> Temperature/Process Indicators >> Indicators with Alarms/on-off Controllers

 
 
 
 

TEMPERATURE / PROCESS INDICATORS

   
     

INDICATORS WITH ALARMS / ON-OFF CONTROLLERS

LOOP POWERED INDICATORS

PID CONTROLLERS AND ACCESSORIES

MOLTEN TEMPERATURE INDICATORS for FOUNDRY/CAST HOUSE/SMS ETC.
 
 

INDICATORS WITH ALARMS / ON-OFF CONTROLLERS

 
 
 

Model - LTRON 48

 
Model  LTRON 48
 

LTRON-48 is Microprocessor based 1/8 DIN Indicator/ On-Off controller with Single display. The instruments are innovative in terms of compact size. It has full key-board based operation for programming inputs, ranges, decimal point, linear or square-root input selection and calibration.

The instrument’s compact and highly functional fascia consists of a 4-digit 7-segment LED display and 4-key membrane keyboard for programming / parameter selection purposes.

FEATURES

Microprocessor based, universal inputs
High accuracy ADC (0.1% FS +/- 1 digit)
Site Programmable inputs (4-20 mA and 0-1VDC)
90-270 VAC (24VDC option)
Compact - 96 x 48 x 110 (WHD), DIN cutout 92 x 46 mm
Upto 4 on-off relay outputs with potential-free C/O contacts
4-key membrane key board for programming, calibration
24V, 30mA DC output to power transmitters.
4-20 mA DC input retransmission-isolated output.
Optional RS-485 communication port, Modbus-RTU protocol
       

SPECIFICATIONS

Description : 1/8 DIN Indicator/ On-Off Controller Single display
Type : Microprocessor-based, Programmable
Inputs : Pt-100 RTD
T/C J,K,R,S,T
4-20 mA, 0-5V DC
Power Supply : 90-270V AC, 50 Hz
Ranges : Programmable
Display Size : 4-digits
Display Size, Color : 14.3 mm, Red
Alarm/trip function : On-off, 2 or 4 relays
Setpoint change : Programmable from keyboard
Relay hysterisis : Programmable from keyboard
Retransmission :

Isolated 4-20 mA Te-TX O/P proportional to input (OPTION)

Com Port :

Isolated RS-485 Port with Modbus-RTU protocol (OPTION)

Dimensions (WHD) : 96 x 48 x 110 mm
Panel cutout : 92 x 46 mm

 

Model - LTRON 48

Datasheet

       
 

Model - LTRON 40

 
Model LTRON 40
  LTRON-40 Indicators and On-Off Controllers are part of Lectrotek’s LTRON-series MICROPROCESSOR-based Process Measurement and Control products. The instruments are innovative in terms of compact size (1/4 DIN & 1/8 DIN versions) and cost-effective, yet full-featured in terms of ease of use, programmability, optional communication port and re-transmission signal output. It has full keyboard based operation for programming inputs, ranges, decimal point, linear or square root input selection and calibration.
  The instrument’s compact and highly functional fascia consists of a 4 digit 7-segment LED display and 4-key membrane keyboard for programming/parameter selection purposes. RS-232 or Rs-485 ports are optional for communication with DAS/SCADA systems. A 4-20 mA re-transmission signal is also optional, and can be used for recording purposes or remote signal transmission to DAS/PLC/DCS systems.

FEATURES

Microprocessor based, Site Programmable-Program it, Fit it, Forget it!
Compact Size- 96 x 96 x 100 mm
Optional Size – 96 x 48 mm (indicator & 2 relays)
RTD/Thermocouple/mA inputs (linear/sq. rt)
Up to 4 on-off relay outputs with C/O contacts
4-key membrane key board for programming
4 VDC output to Power Transmitters
Isolated RS-485 serial port Option
Isolated 4-20 mA Re- Transmission output option

SPECIFICATIONS

Description : 1/4 DIN Indicator/ On-Off Controller Single display
Type : Microprocessor-based, Programmable
Inputs : Pt-100 RTD
T/C J,K,R,S,T
4-20 mA, 0-5V DC
Power Supply : 90-270V AC, 50 Hz
Ranges : Programmable
Display Size : 4-digits
Display Size, Color : 14.3 mm, Red
Alarm/trip function : On-off, 2 or 4 relays
Setpoint change : Programmable from keyboard
Relay hysterisis : Programmable from keyboard
Retransmission :

Isolated 4-20 mA Te-TX O/P proportional to input (OPTION)

Com Port :

Isolated RS-485 Port with Modbus-RTU protocol (OPTION)

Dimensions (WHD) : 96 x 48 x 110 mm
Panel cutout : 92 x 46 mm

Model - LTRON 40

 

Datasheets

   
 
 

Model - LTRON 80

 
 
Model LTRON 80

FEATURES

Microprocessor based, Site Programmable-Program it, Fit it, Forget it!
Compact Size- 96 x 96 x 100 mm
Optional Size – 96 x 48 mm (indicator & 2 relays)
RTD/Thermocouple/mA inputs (linear/sq. rt)
Up to 4 on-off relay outputs with C/O contacts
4-key membrane key board for programming
4 VDC output to Power Transmitters
Isolated RS-485 serial port Option
Isolated 4-20 mA Re- Transmission output option

SPECIFICATIONS

Description :

1/4 DIN Indicator/On-Off Controller Dual Display

Type : Microprocessor-based, Programmable
Inputs : Pt-100 RTD
T/C J,K,R,S,T
4-20 mA, 0-5V DC
Power Supply : 90-270V AC, 50 Hz
Ranges : Programmable
Display Size : 4-digits
Display Size, Color : 14.3 mm, Red
Alarm/trip function : On-off, 2 or 4 relays
Setpoint change : Programmable from keyboard
Relay hysterisis : Programmable from keyboard
Retransmission :

Isolated 4-20 mA Te-TX O/P proportional to input (OPTION)

Com Port :

Isolated RS-485 Port with Modbus-RTU protocol (OPTION)

Dimensions (WHD) : 96 x 48 x 110 mm
Panel cutout : 92 x 46 mm

 Model - LTRON 80

Datasheet

     

 

 

Model - Lectronic 151

 
 
  Model   Lectronic 151
Lectrotek Digital Indicators & Indicating controllers are Electronic Instruments intended for continuous process control applications.
These accurate reliable & stable instruments are available with various inputs like thermocouple, RTD, DC mA, and DC mV.
These features are achieved by using ultra precision amplifiers, high resolution & stable ZERO/SPAN potentiometers, wave soldered/glass epoxy, and solder masked/lacquer coated PCBs.
Multistage quality control & Inspections at various stages are salient features of these instruments.
 

SPECIFICATIONS

Description : 1/8 DIN Indicator
Type : Electronic, fixed input/range
Inputs : Pt-100 RTD
T/C J,K,R,S,T
4-20 mA, 0-5V DC
Power Supply : 240/110V/24V
Ranges : Fixed input/range
Display Size : 3 ˝ digits
Display Size, Color : 14.3 mm, Red
Alarm/trip function : Indicator only
Setpoint change : Adjustable by potentiometer
Relay hysterisis : Adjustable by potentiometer
Retransmission : Non-isolated Retx
Com Port : Not available
Dimensions (WHD) : 96 x 48 x 160 mm
Panel cutout : 92 x 46 mm

      Model - Lectronic 151

 

Datasheet

       
 
 

Model - Lectronic 151 12SS

 
 
  Model   Lectronic 151 12SS
Lectrotek Digital Indicators & Indicating controllers are Electronic Instruments intended for continuous process control applications.
These accurate reliable & stable instruments are available with various inputs like thermocouple, RTD, DC mA, and DC mV.
  These features are achieved by using ultra precision amplifiers, high resolution & stable ZERO/SPAN potentiometers, wave soldered/glass epoxy, and solder masked/lacquer coated PCBs.
  Multistage quality control & Inspections at various stages are salient features of these instruments.
   

SPECIFICATIONS

Description : 12-point Indicator with rotary switch
Type : Electronic, fixed input/range
Inputs : Pt-100 RTD
T/C J,K,R,S,T
4-20 mA, 0-5V DC
Power Supply : 240/110V/24V
Ranges : Fixed input/range
Display Size : 3 ˝ digits
Display Size, Color : 14.3 mm, Red
Alarm/trip function : Indicator only
Setpoint change : Adjustable by potentiometer
Relay hysterisis : Adjustable by potentiometer
Retransmission : Not available
Com Port : Not available
Dimensions (WHD) : 96 x 96 x 160 mm
Panel cutout : 92 x 92 mm
  Datasheet
   

Model - Lectronic 151 12SS

 

 
 
   
   
   
   
   
 

 

   
   
 

Model - Lectronic 157

 
 
  Model   Lectronic 157
  Lectrotek Digital Indicators & Indicating controllers are Electronic Instruments intended for continuous process control applications.
These accurate reliable & stable instruments are available with various inputs like thermocouple, RTD, DC mA, and DC mV.
  These features are achieved by using ultra precision amplifiers, high resolution & stable ZERO/SPAN potentiometers, wave soldered/glass epoxy, and solder masked/lacquer coated PCBs.
  Multistage quality control & Inspections at various stages are salient features of these instruments.
       

SPECIFICATIONS

Description : Digital Indicator/ On-Off controller
Type : Electronic, fixed input/range
Inputs : 2 nos. Pt-100 RTDs
Indicates A,B, A-B Controls
Power Supply : 240/110V/24V
Ranges : Fixed input/range
Display Size : 3 ˝ digits
Display Size, Color : 14.3 mm, Red
Alarm/trip function : On-off, 1 or 2 relays
Setpoint change : By potentiometer, sets A-B differential
Relay hysterisis : By potentiometer, sets A-B differential
Retransmission : Non-isolated Retx
Com Port : Non-isolated Retx
Dimensions (WHD) : 96 x 96 x 160 mm
Panel cutout : 92 x 92 mm
  Datasheet

      Model - Lectronic 157

 
 
     
   
 

Model - Lectronic 157-DD

 
 
  Model   Lectronic 157-DD
Description : Differential Temperature Controller
Type : Electronic, fixed input/range
Inputs : 2 nos. Pt-100 RTDs
Indicates A,B, A-B Controls
Power Supply : 240/110V/24V
Ranges : Fixed input/range
Display Size : 3 ˝ digits
Display Size, Color : 14.3 mm, Red
Alarm/trip function : On-off, 1 or 2 relays
Setpoint change : Adjustable by potentiometer
Relay hysterisis : Adjustable by potentiometer
Retransmission : Not available
Com Port : Not available
Dimensions (WHD) : 96 x 96 x 160 mm
Panel cutout : 92 x 92 mm
  Datasheet

 Model - Lectronic 157-DD

 

   
   
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