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EL 31/1, Electronic Zone, MIDC, Bhosari

Pune, Maharashtra- 411 026, (India)

Indicating and Controlling Instruments

We offer sleek, reliable and cost effective Indicating and Controllling Instruments that includes digital timers, electronic digital timers, digital indicators, digital process indicators. These instruments come in variety of models and are the best in the market. They are long-lasting and perform well.

Temperature Scanner - Process Scanners   Send Enquiry

Indicating and Controlling Instruments

We offer variety of models of Temperature Scanners to suit every need. Right from simple indicating scanner to microcontroller based scanner with PC interface and customer friendly data acquisition software.

  • Winding Bearing Temperature Scanner
  • WTI for Dry Cast Resin Transformers
  • Thermistor Units with Thermistor
  • Process Scanners
  • Temperature Scanners with retransmission outputs
  • Software for communication, SCADA / Ethernet and wireless communication.

Fully programmable versatile design.

Standard features

  • μ Controller based with / without Password provision for setting.
  • With / without control action.
  • Setting by front keys by means of increment, decrement, program, enter keys.
  • Channel no. indication, Group no, temperature indication on digital display.
  • Separate Scan rate
    a) Internal for control action. & b) External for display.
  • Control action is independent of channel being scanned.
  • Channel Skip / channel bypass facility.
  • Alarm trip status by Individual LED per channel.
  • Built in CJC for TC. Built in cable compensation for RTD.
  • Linearised Circuit with accuracy < 0.5 % guaranteed.
  • Settable hysterisis. (0.1 to 9.9° C )
  • Resolution 0.1 Deg. C. for RTD & 1 Deg. C. for Thermocouple input.
  • Can accept any one type of sensor / Transmitter input.
  • Available sizes mm.: 96x96.(upto 6 channel), 96 x 192, 72x144,144x144, 192x192. Panel mounting.
  • Enclosure :M.S. fabricated/ Cast Al. / flameproof with IP55 / IP65 protection.

Optional features

  • Fan relay output for cooling action.
  • RS232, RS485 output port provision for PC interface with Std. Protocol (modbus) and with other Protocol on request RS 232 is to be used when 'PC' is located very near to instrument (< 10 ft.) RS485 is to be used when 'PC' is located away from instrument or if “multidrop's communication with other instrument is required.
  • 4-20mA / 0-10 V DC Isolated output.
    Following options are available Output proportional to process vaue (temp.) of
    1. Channel being scanned.
    2. Any one channel selected.
    3. Max. temperature of any one channel.
    4. Max. temperature in memory at any instant for any channel.
  • Built in memory for Max. temperature recorded (channel wise)
  • Built in LED fault annunciation / accept / reset facility.
  • Any channel can be connected to any group & any group can be connected to any relay.
  • Sensor brake / short (or not connected at all) indication by LED's or RELAY
  • Special model with all inputs isolated from each other.
  • For universal input model unit can accept
    a ) PT-100 (3 WIRE) , 2 WIRE, RTD.
    b ) Thermocouple:- J,K,R, S,T (B, E optional)
    c ) mV, Voltage input : range : 0-100mV / 1-5 V DC / 0-5 V/0-10V DC
    d) mAInput:4-20mA,0-20mwithexternal resistance.(typical value 250 Ohms MFR)
  • Input sensors as per group / common for all channels/ same but universal / different but universal options.
  • Special models for other parameters like pressure, level, flows, current (AC or DC) battery voltage. etc..
  • RS 485/ 232 Output with / optional SCADA software specially developed for Process industry. (PROSOFT)
  • Individual relay output (per channel One / Two relays) for all channels.
  • Relay status programmable. Any relay can be kept energized or de-energized below/ above set point.
  • If Number of channels / relays are more external back connector facility for extra relays. With special external “Patch panel / Relay board to be mounted separately in panel.
  • For very high speed applications PROTOCONTROL offers special hardware And software package with suitable signal conditioning / electrical panel with all Built in hardware and suitable programmable software / automation package.
  • Built in instant relay output and time delayed relay output forTRIP action to avoid Unnecessary tripping with advance emergency warning relay for external hooters, PLC / DCS signal etc.
  • Built in SMPS for supply voltage. Variation from 90-270 V AC/ DC models.
  • Calibration facility on front keys for field calibration without opening cover. Additional calibration facility “internal” for fine calibration once in month/ year.
  • Customised / user defined models.

Digital design. Economical series.
Standard & optional features are as listed below.

Standard features

  • It can accept only one type of input.
  • No channel skip facility.
  • Standard accuracy < 1 %. Optional accuracy < 0.5 %for mA, mV, RTD
  • Channel no. indication by LED or special model with digital display for channel number.
  • Scan rate : 1- 10 Secs adjustable by potentiometer.
  • Control action : Is possible for channel being scanned at any instant
  • Setting : Potentiometric (multiturn) for alarm , trip and scan rate.
  • Auto/ Manual Alarm, trip, scan rate by
    a) Toggle switch. & b) Front keys
  • Internal calibration facility.
  • Alarm relay normally ON & Trip relay normally OFF below set point to achieve fail safe operation .
  • Alarm and trip latch reset facilities on front key.
  • Available size 96 x 96 (upto 6 channels) 96x192, 72x144mm
  • Enlosure : M.S. fabricated / Cast Al./ Flameproof with IP 55 / IP 65 versions protection.

Optional features

  • Group wise setting with 2 Nos. relays per group. (max. two groups available)
  • 4-20 mA. Output.
    I. Proportional to any one internally selected channel process value.
    II. Proportional to channel Process value, being scanned at any instant.
  • 'Fan' relay output with separate Temp.setting by front potentiometer.