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3 1/2 digit LCD, Green Positive, 5 Vdc B/L power

The DPL-3 provides a loop powered 3 1/2 digit LCD (standard black numerals) with optional 24Vdc powered red, blue, amber, or green negative backlight. It is compatible with virtually any 4 to 20mA dc process loop. Large 1/2" numerals. User selectable " °F", "° C", "PSI", and "%" engineering units can be displayed. Fully loop compatible. Separate zero and span adjustments. Decimal point user selectable. Factory calibration available.


  • Low-cost, high-performance replacement for many OEM DPMs
  • Optional Red, Blue, Green or Amber backlighting
  • Snap-in bezel mount eliminates mounting hardware
  • Resistant to RF and EMI


Width 2.54" (64.6 mm)
Height 1.14" (29.0 mm)
Depth 1.74" (44.2 mm)
Width 2.4" (61.0 mm)
Height 1.0" (25.4 mm)


PolarityAutomatic, "-" Displayed.
Connection2 screw terminal (4 with backlight)
AdjustmentsSpan (gain) and Zero (offset)
Optional Backlight24V DC at 35 mA typical, 5V at 130 mA typical
Common Mode Rangeu00b11V DC max
Digits3u00bd Digits (u00b11999 counts)
Power SupplyPowered by the Milliamp Control Loop
OverloadThree lower order digits blank for inputs >1999 & <-1999
Common Mode Rejection>86dB
Type0.45" (11.4 mm) 7-Segment LCD
Order Info3u00bd digit LCD, Green Positive, 5 Vdc B/L power
Operating Range0 to 50 u00baC
Warmup10 Minutes Typical
ColorGreen Positive
Storage Range-20 to 70u00baC
Ranges4-20mA DC
Decimal Points3 Position, User Selectable
Normal Mode Rejection>30 db @ 60 Hz
Annunciatorsu00b0F, u00b0C, PSI, %, user selectable
Conversion Rate3 per Second
MountingSnap-in bezel mount
Temperature Coeffu00b1100 ppm per u00baC Typical
Impedance300 ? nominal
ConfigurationBipolar Differential
Accuracyu00b1(0.1% fs + 2 counts)