| DPL-4 |
| 4 to 20 mA Loop Powered 4 1/2 Digit LCD Digital Panel Meters |
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The DPL-4 provides a loop powered 4 1/2 digit LCD (standard black numerals) with optional 24V dc or 5V dc powered red, blue, amber, or green backlight. It is compatible with virtually any 4 to 20 mA dc process loop. Large 1/2" numerals. User selectable "°F", "°C", "PSI", and "%" engineering units can be displayed. Separate zero and span adjustments. Decimal point user selectable. Factory calibration available.
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Specifications |
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Display: |
Digits: |
4 ½ digits (±19999 counts)
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Type: |
0.45" (11.4 mm) 7 segment LCD
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Backlighting: |
Optional Red Negative (red numbers/black background)
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Optional Blue Negative (blue numbers/black background)
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Optional Green Negative (green numbers/black background)
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Optional Amber Negative (amber numbers/black background)
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Optional Green Positive (black numbers/green background)
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Polarity: |
Automatic, “-” displayed
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Annuciators: |
°F, °C, PSI, %
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Decimal Points: |
4 position, user selectable
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Overload: |
Four lower order digits blank for inputs >19999 & <-19999
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Inputs: |
Ranges: |
4 to 20mA DC
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Impedance*: |
300 ohms nominal
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Performance: |
Accuracy: |
±(0.1% fs + 2 count)
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Conversion Rate: |
3 per second
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Normal Mode Rejection: |
>30 db @ 60 Hz
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Adjustments: |
Using 25-turn potentiometers |
Span (gain) and Zero (offset) with 3 coarse setting
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ZERO (offset) |
0 to ±19999 counts |
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SPAN (gain) |
0 to 19999 counts above adjusted zero
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Warmup: |
10 minutes typical
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Temperature Coeff.: |
± 100 ppm per °C typical
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Environment: |
Operating Range: |
0 to 50 °C
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Storage Range: |
-20 to 70 °C
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Power Supply: |
Powered by the Milliamp Control Loop
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Optional Backlight: |
24V DC at 35 mA typical
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5V DC at 130 mA typical
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Mounting: |
Snap-in Bezel mount
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Connection: |
2 screw terminals (4 with backlight) |
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*Impedance is rated at 20mA. Exercise caution to avoid too much impedance in the current loop. Most transmitters are rated 500 to 1000 ohms maximum.
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Negative backlighting is lighted numerals.
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Positive backlighting is lighted background. |
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Ordering Information (
Click here for pricing
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| DPL-4 |
4 1/2 digit LCD, NO Backlight |
| DPL-4A |
4 1/2 digit LCD, Amber Negative, 24 Vdc B/L power |
| DPL-4G |
4 1/2 digit LCD, Green Negative, 24 Vdc B/L power |
| DPL-4R |
4 1/2 digit LCD, Red Negative, 24 Vdc B/L power |
| DPL-4B |
4 1/2 digit LCD, Blue Negative, 24 Vdc B/L power |
| DPL-4EGP |
4 1/2 digit LCD, Green Positive, 24 Vdc B/L power |
| APS-24 |
120V AC to 24V DC Power Supply |
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Features |
• 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
• 4 1/2 digits LCD Display
• 4 to 20 mA loop powered input
• User selectable, displayed engineering units |
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Dimensions |
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Width |
2.54" (64.6 mm)
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Height |
1.14" (29.0 mm)
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Depth |
1.74" (44.2 mm)
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Cutout
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Width |
2.4" (61.0 mm)
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Height |
1.0" (25.4 mm)
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