AMBETRONICS ENGINEERS PVT. LTD.
Loop Power Indicator

Loop Power Indicator

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LPI - 350 Loop Power Indicator Flame Proof

FEATURES

  • 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.

APPLICATIONS

  • 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.

TECHNICAL SPECIFICATIONS

Input 

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

Range

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

Resolution

 0.001, 0.01, 0.1, 1; programmable by user

Accuracy 

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

Operational Mode

 Linear & Square root; programmable by user

Loop Voltage Drop 

 < 5 VDC

Display

 0.5", 3 1/2 digit L.C.D Display

Display Update Rate

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

Monitor

 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

 PANEL MOUNTING

WEATHERPROOF (WP)

FLAMEPROOF (FLP)

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

Dimension

96(H)X96(W)X75(D) in mm  

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

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

Cutout

92 (H) x 92 (W) in mm

- - - - - -

- - - - - -

Mounting

Panel mounting

Wall Mounting / Stand Mounting

Wall Mounting / Stand Mounting

Weight

Approx 250 Grams                    

Approx. 250 Grams

Approx. 1.0 Kg