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Loop Powered LCD Digital Panel Meters

DK790 EPIC SERIES

4 1/2 Digit LCD with Loop Power Board

DK790LOOP

Features and Benefits:
◊ Low-cost, high-performance DPMs or many OEM DPMs
◊ Optional RED, GREEN or AMBER backlighting
◊ Snap-in bezel mount eliminates mounting hardware
◊ Resistant to RF and EMI
◊ 4 digits with high-contrast LCD
◊ 4-20 mA loop powered input
◊ User-selectable, displayed engineering units
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 or V, A, KW, PF
  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
  Protection:
±350 VDC, (±100 VDC on 200 mV range)
  Impedance:
300Ω nominal @ 20 mA
Performance: Accuracy: ±(0.1% fs + 2 count)
  Conversion Rate:
3 per second
  Normal Mode Rejection:
>30 dB @ 60 Hz
  Adjustments:
span (gain) and zero (offset) with course setting
  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
Connection:   2 screw terminal (4 with backlight)



Ordering Information:
PART NUMBER INFO
DK790
NO BACKLIGHT LCD, RANGE: 4-20mA, MOUNTING: SNAP IN
DK790P
NO BACKLIGHT LCD, RANGE: 4-20mA, MOUNTING: SNAP IN, WITH POWER ENGINEERING UNITS
DK791
NEGATIVE AMBER LCD, RANGE: 4-20mA, MOUNTING: SNAP IN
DK791P
NEGATIVE AMBER LCD, RANGE: 4-20mA, MOUNTING: SNAP IN, WITH POWER ENGINEERING UNITS
DK793
NEGATIVE GREEN LCD, RANGE: 4-20mA, MOUNTING: SNAP IN
DK793P
NEGATIVE GREEN LCD, RANGE: 4-20mA, MOUNTING: SNAP IN, WITH POWER ENGINEERING UNITS
DK794
NEGATIVE RED LCD, RANGE: 4-20mA, MOUNTING: SNAP IN
DK794P
NEGATIVE RED LCD, RANGE: 4-20mA, MOUNTING: SNAP IN, WITH POWER ENGINEERING UNITS
DK795
POSITIVE GREEN LCD, RANGE: 4-20mA, MOUNTING: SNAP IN
DK795P
POSITIVE GREEN LCD, RANGE: 4-20mA, MOUNTING: SNAP IN, WITH POWER ENGINEERING UNITS
PW2-24
DC Power Supply, 120 AC Input, 24 VDC @ 100mA Output


DATA SHEET
WIRING DIAGRAM
HOW TO BUY

DK790 Loop

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