Loop Power Indicator Flameproof

Loop Power Indicator Flameproof
Product Description

General :


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


LPI - 350 -FLP :(-1999 to 9999) with AL1& AL2 indication


0001, 000.1, 00.01,0.001


Adjustable upto +/-10Percent of range


0.39 inch 5 Digit Red LED Display

Display Update Rate

Linear mode- 1 sec;Square root mode- 1sec


Display shows UndEr/Undr , when I/P current falls below set UNDER value (from 3.6mA to 3mA,settable)

Display showsouEr, when I/P current goes above set OVER value (from 20.5mA to 21mA,settable)

Operational Mode

Linear & square root; programmable by user

Calibration S/W




Linear +/-0.1Percent of span ; Square root : +/-0.2 Percent of span

Temperature coefficient of accuracy

0.005 PercentFS/Deg.C

Warm up Time

10 Sec

Electrical Loop voltage drop

< 4.8V DC

Environmental Operating Temperature

-10 to 50 Deg.C

Relative Humidity

Below 95 Percent non condensing

Flameproof Housing:-

Protection Class

IP- 65


CMRI approved for IIA & IIB Gas Group

Cabinet Material

Cast Aluminum alloy, LM-6 / C.I.Enclosure

Cable Entry

1No., Double compression cable gland(EX-proof), 3/4 inch ET-Type


155(H) x 190(W) x 100(D) in mm


Wall Mounting / Stand Mounting


Approx. 1 Kg


  • Minimum loop voltage drop
  • Option of range locking and unlocking
  • High level of accuracy
  • 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 +/- 1 percent Of Full Scale Value.
  • 0.5 inch, 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.


Contact Us

17-B, Tarun Industrial Estate, Mogra Pada, New Nagardas Road, Andheri (East), Mumbai, Maharashtra, 400069, India
Phone :+918068090472