Loop Power Indicator Panel

Loop Power Indicator Panel

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For our industrial clients and their varied requirements regarding process control, we are duly manufacturing and exporting an excellent range of Loop Power Indicator Panel.  These devices are do not generate any voltage and thus can be directly used in any hazardous area, housed in an enclosure. With hi- tech technology, the offered Loop Power Indicator Panel is considered as the best alternative to analog meter.


  • Minimum loop voltage drop
  • Option of range locking and unlocking
  • High level of accuracy

LPI - 350 Loop Power Indicator Panel


  • User Programmable With Password Protection
  • Easy Programming With Push Buttons
  • Software Calibration - No Trim pots
  • Reverse Polarity Protection
  • Loop Voltage Drop < 5 VDC
  • 4~20 mA Loop Current Input from Transmitters
  • Accuracy+ 0.1% Of Full Scale Value
  • 0.5", 3 1/2 Digit L.C.D Display
  • Range Locking / Unlocking Facility
  • Offset Facility To Compensate Field Error
  • Operational Mode Linear / Square Root; Programmable by user.


  • Provides Process value Indicator in various Industrial Control & Measurement Application such as Pressure, Flow, Level, Temp., Humidity etc.
  • Remote Indicator at point of measurement or at control end especially where there is no power source
  • Being Non Voltage Producing Device can be directly used in Hazardous Area with Suitable Enclosure
  • Replaces an Analog Meter with no additional wiring and power connection
  • Can be inserted at any point in signal loop as a standalone as it requires no external power
  • Remote Indication location on tank taps as used in liquid level sensing & control.



 4 - 20 mA Loop Current Input from any 2 / 3 Wire Process Transmitter


 -1999 To 1999 with Range Lock / Unlock; programmable by user


 0.001, 0.01, 0.1, 1; programmable by user


 Linear : + 0.1% of span; Square root : + 0.2% of span 

Operational Mode

 Linear & Square root; programmable by user

Loop Voltage Drop 

 < 5 VDC


 0.5", 3 1/2 digit L.C.D Display

Display Update Rate

 Linear mode : 0.8 sec; Square root mode : 0.8 sec


 i) Display shows 'Und', when I/P current falls below 3.6 mA
 ii) Display shows 'our', when I/P current goes above 20.5 mA

Operating Temperature

 - 40 To 85oCentigrade

Relative Humidity 

 Below 95% non condensing

Warm up Time

 10 Sec

Enclosure Details




Protection Class

IP - 40

IP- 65

IP - 65 CMRI Approved for Gas Gr. IIA & IIB

Cabinet Material 

ABS Plastic, White Colour    

Polycarbonate Grey Colour

Cast Aluminium Alloy, LM-6,/C.I. Enclosure

Cable Entry

Terminal connector for connection

1 No. Thermoplastic cable gland (IP- 68)

1 Double compression cable gland (Ex-Proof) 3/4" ET-type


96(H)X96(W)X75(D) in mm  

120(H)X80(W)X55(D) in mm

145(H)X185(W)X100(D)in mm


92 (H) x 92 (W) in mm

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Panel mounting

Wall Mounting / Stand Mounting

Wall Mounting / Stand Mounting


Approx 250 Grams                    

Approx. 250 Grams

Approx. 1.0 Kg