AMBETRONICS ENGINEERS PVT. LTD.
Weatherproof Loop Power Indicator

Weatherproof Loop Power Indicator

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LPI 400 Loop Power Indicator Weather 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
  • 4 Digit L.E.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

-999 To 9999 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 

0.4", 4 digit Red L.E.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 85 Degree Centigrade 

Relative Humidity 

Below 95% non condensing

Warm up Time

10 Sec

Enclosure Detail

 PANEL MOUNTING

WEATHERPROOF(WP)

FLAMEPROOF (FLP)

Protection Class

IP-40

IP- 65

IP -65 for Gas Gr.IIA & IIB

Cabinet Material 

ABS Plastic, Black/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) X 96 (W) X 75 (D) in mm 

120(H) X 80 (W) X 55 (D) in mm

150 (H) X 185 (W) X 100 (D) in mm

Cutout

92(H) x92(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