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LM Pressure DataLogger

Data Loggers | LM-P Pressure

LM-P-PRO Series Differential Pressure Indicator / Data logger

The LM-P-PRO series of differential pressure data logger / indicator is very helpful in monitoring differential pressure especially for clean rooms. Large 0.56” LED digital display eliminates the human error in reading the data. The device is field programmable for most common of the eight measuring units. The decimal point gets selected automatically for displaying with best resolution.

It also has a feature to set the high and low alarm limit. Whenever the limit is crossed, appropriate LED indicates the alarm condition. Display also starts blinking, for better attention.

Programming of various parameters like, unit, alarm limits, calibration parameters (zero and span), communication parameters etc. are all settable through 4 keys. Data is scanned every second. It has RS485 2/4 wire communication port to connect to any SCADA using MODBUS RTU/ASCII protocol. User can get the current data and device identification information over protocol.

Device also has an optional memory to store the data. It is possible to store the data at an interval between 1 second to 18 hours interval. The stored data can only be retrieved through our web- based data acquisition software gtekNetTM.  It is also possible to configure the entire device from this software. gtekNetTM enables the user to see, modify, generate report with 21CFRPart 11 compliance using any standard browser from anywhere over network connected device.

Category:

Features

  • Differential Pressure
  • 8 engineering units of measure → Pascal, KPA, mBar, mmWC, inWC, mmHg, InHg, PSI
  • Digital Display
  • Alarm set point high / low
  • Alarm Indicator
  • Wide power supply 5-30V DC
  • RS 485 MODBUS compatible
  • SS 314 Front facia

Specification

Specifications For LM-P Pro RS485
Model No LM-P Pro RS485
Display Details
Display Digital, 4 digits ultra-bright 0.54” LED Numeric/semi alphabetic display
Status Indicator Unit Indication, High and Low Alarm Indication, and storage on Indication
Display Refresh rate 1 reading / second
Analog Input Details
Input Media Air and non-combustible and non-corrosive gases.

For Wetted Materials, consult factory.

Pressure Sensor MEMS sensor either Differential or Absolute pressure
Measurement parameters

[ 8 units]

Pascal (PA) ,Kilo pascal (KPA), milibar (mbar), psi (PSI), mm of Water Column (mmWC), inch of Water Column (INWC), mm of Hg (mmHG), inch of Hg (INHG)
Measuring range Pressure -500 to +500 pascal; others available on request
Pressure Accuracy ± 1.5 %FSD
Pressure Input port Quick Connect/Disconnect port 4 mm tube ID
Environmental conditions
Temperature (Operating) 5 to +50 oC

(Storage)    -40 to +125 oC

Relative Humidity (Operating) 10 to 80 % RH Noncondensing

(Storage) 5 to 90 % RH Noncondensing

Altitude <2000 meter
Batch Storage Data/Memory Details
Start / Stop Batch Remote Start – Stop through gtekNetTM
Store Interval 0 To 240 min in Step of 1 Sec
Memory Size 4000 records totals; Rollover
Power Requirements
Supply Voltage 5 – 30 V DC,1 A (DC Adapter Operated)
Communication Details
Communication EIA 4 wire RS 485
Protocol Modbus RTU / ASCII Protocol
Baud rate User settable – 4.8k, 9.6k, 19.2k & 38.4k bps
Parity User settable – None, Even & Odd
Device Address 1 to 240 – User settable
Alarm Details
Alarm Set-point High/Low individually settable
Buzzer Audible alarm on high/low condition
Alarm high/low status High/low individual status LEDs
Mechanical Dimensions and Mounting
Housing Material ABS Plastic
Mounting Orientation Mounting unit in vertical plane
Size ( L x W x D) mm 190 x 190 x 40
Panel Cutout (Diameter) mm 115
Housing (Diameter) mm 112
Weight 500gms approx

 

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