Loop Powered LCD Digital
Panel Meters

DK790-XEC SERIES

4 1/2 Digit LCD with Loop Power Board

DM0-4X-XEC.jpg

Features and Benefits:
◊ Low-cost, high-performance replacement for many OEM DPMs
◊ Optional RED, GREEN, AMBER or POS GREEN backlit LCD
◊ Snap-in bezel mount eliminates mounting hardware
◊ Resistant to RF and EMI
◊ 4½ digits with high-contrast LCD
◊ 4-20 mA loop powered input
◊ User-selectable decimal points
◊ User-selectable, displayed engineering units
◊ Clamp and gasket for NEMA applications
Specifications:
Display: Digits: 4 ½ digits (±19999 counts)
  Type: 0.45" (11.4 mm) 7 segment LCD
  Backlighting: Optional Red Negative (red numbers/black background)
Optional Green Negative (green numbers/black background)
Optional Amber Negative (amber numbers/black background)
Optional Green Positive (black numbers/green background)
  Polarity:
automatic, “-” displayed
  Annunciators:
°F, °C, PSI, % , user-selectable
  Decimal Points:
4 position, user-selectable
  Overrange:
four lower order digits blank for inputs >19999 & < --19999
Inputs: Ranges: 4-20 mA DC
  Configuration:
bipolar differential
  Impedance: 300Ω nominal @ 20 mA
Performance: Accuracy:
±(0.1% fs + 2 count)
  Conversion Rate: 3 per second
  Normal Mode Rejection: >30 dB @ 60 Hz
  Common Mode Range: ±1 VDC max
  Common Mode Rej.:
>86 dB
  Adjustments: span (gain) and zero (offset)
  Warmup: 10 minutes typical
  Temperature Coefficient:
±100 ppm per °C typical
Environment: Operating Range: 0 to 50 °C
  Storage Range: -10 to 70 °C
Power Supply:   powered by the milliamp control loop

Optional Backlight: 24 VDC at 35 mA typical
Mounting:   snap-in bezel mount or clamp and gasket
Connection:   2 screw terminal (4 with backlight)
     



Ordering Information:
PART NUMBER INFO
DK790-XEC
No Backlight LCD, RANGE: 4-20mA, MOUNTING: Snap in or clamp and gasket
DK791-XEC
Negative Amber LCD, RANGE: 4-20mA, MOUNTING: Snap in or clamp and gasket
DK793-XEC
Negative Green LCD, RANGE: 4-20mA, MOUNTING: Snap in or clamp and gasket
DK794-XEC
Negative Red LCD, RANGE: 4-20mA, MOUNTING: Snap in or clamp and gasket
DK795-XEC
Positive Green LCD, RANGE: 4-20mA, MOUNTING: Snap in or clamp and gasket
PW2-24
DC Power Supply, 120 AC Input, 24 VDC @ 100mA Output
PW1.0
Regulated 0.5 amp power supply that accepts 24 VAC at the input and provides 24 VDC at the output.
PW1.5
Regulated 1.5 amp power supply that accepts 24 VDC/VAC and provides an adjustable 1.5 to 29VDC output.
CVC
Compact Current & Voltage Calibrator


DATA SHEET
WIRING DIAGRAM
HOW TO BUY

DK790-XEC Series

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