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Process signal Loop Powered Digital Panel Meters

These loop powered digital panel meter need no power supply, because they derive their power from the 4-20mA input signal.

88-PRO Loop powered digital panel meter

88-PRO loop powered digital panel meter 4-20mA input

The 88-PRO is a simple, low cost digital panel meter for use with 4-20mA signals.

loop powered digital panel meter operating manual handbook download

Precise ...
This digital panel meter is easy to use and has high precision and stability. You can set the display to have 3 1/2 digits (+/- 1999) or pseudo 4 1/2 digits (+/- 19990) or pseudo 5 1/2 digits (+/- 199900)

Flexible ...
This panel meter can be widely scaled to suit most 4-20mA signals and can have a units-of-measure label added to the front.

INT4 digital panel meter pricing

Functions in the digital panel meter range ...

 :: 0-10V input panel meters
 :: 1-5V input panel meters
 :: 4-20mA input panel meters
 :: Ampere hour meters
 :: ASCII and T24 input displays
 :: BCD Input, 1/8 DIN, 2 digits
 :: BCD Input, 72x24mm, 4 digits
 :: Check Weigher displays
 :: Clock HH:MM:SS
 :: Counter / totalisers
 :: Depth panel meters
 :: Electro Plating meters
 :: Load Cell panel meters
 :: Loop-Powered panel meters
 :: LVDT panel meters
 :: Plating panel meters
 :: PNP/NPN input meters
 :: Pressure digital displays
 :: Process signal panel meters
 :: Rate panel meters
 :: Resistance panel meters
 :: RPM panel meters
 :: RS232, RS485 input panel meters
 :: Serial data input displays
 :: Speed panel meters
 :: Temperature Sensor displays
 :: Torque Sensor meters
 :: Timer displays - UP or DOWN
 :: Totaliser panel meters
 :: Weighing displays

New: Ex nR Atex Displays

Exd atex certified large digital displays

For hazardous areas we can offer the following explosion proof options on most models. Tell us what you need and we will be pleased to quote for Atex certified systems
  • Zone 1 ii 2 G Ex px iiC T6/T5/T4 Gb *
  • Zone 2 ii 3 G Ex nR iiC T6/T5/T4 Gc **
  • EXD Zone 2 on request - POA

* - Requires pressurised air system
** - any product

Ex nR certified large digital displays

The London Electronics ATEX certified products are supplied certified for use in the condition in which they are supplied. No liability will be assumed for any loss or damages of any nature, direct or indirect, including any loss of profits or consequential damages, injury or death suffered or incurred by the buyer as a consequence of failure to install, use and/or apply the product within the scope of the installation document and certification supplied.

88-PRO Loop powered panel meter Specifications
Input connectionsDetachable screw terminal
Input Signal3 1/2 digit LSI converter
Current input 4-20mA
Accuracy+/-0.1% of range
Thermal stability - range+/- 100ppm/oC
Thermal stability - offset+/- 100ppm/oC
Digit colourBlack on Grey
Digits3 1/2 digits LCD, 12mm high. 6 metres max. viewing distance. 3 readings per second.
SealingIP54 standard, IP67 with optional SPC4 cover
ScalingZero and span screwdriver adjusted, with coarse range push-on jumper switches. Units of measure label window.
For example oC, oF, kg, psi etc.
EnvironmentalStorage -20 to +70C
Operating 0 to 50C
Non condensing.
Optional IP67 cover SPC4

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