DP-650A Backlit
Large, low-cost 3 1/2 Digit Backlit Bezel Mount LCD Digital Panel Meters
Specifications
Display:
Digits:
3½ digits (±1999 counts)
Type:
0.5" (12mm) high-contrast backlit LCD
Backlighting:
Optional Red Negative (red numbers/black background)
Optional Green Negative (green numbers/black background)
Optional Green Positive (black numbers/green background)
Polarity:
Automatic, “-” displayed
Decimal Points:
3 position, user selectable
Overload:
Three lower order digits blank for inputs >1999 & <-1999
Hold:
Available OEM option, contact factory
Inputs:
Ranges:
±200.0mV, ±2.000V, ±20.00V DC
Configuration:
Bipolar & Differential
Protection:
±350V DC, (±100V DC on 200mV range)
Impedance:
>10 Mohms, (>1 Mohm on 20V range)
Performance:
Accuracy:
±(0.1% +1 count) typical
±(0.1% + 2 counts) maximum
Conversion Rate:
2.5 per second
Normal Mode Rejection:
>30 db @ 60 Hz
Common Mode Range:
±1V DC
Common Mode Rej.:
>86 dB
Zero Adjustment:
Automatic
Warmup:
10 minutes typical
Temperature Coeff.:
± 100 ppm per °C typical
Environment:
Operating Range:
0 to 50 °C
Storage Range:
-20 to 70 °C
Power Supply:
5V powered DPM:
+5V DC (±5%) at 2.5 mA
Backlight:
+5V DC at 100 mA
Mounting:
Bezel Mount with retaining clips
Connection:
13 pins, 0.025" square on 0.1" centers - pin 3 missing
Features
• Low-cost, high-performance replacement for many OEM DPMs
Connections
Pin No.
Pin Name
Description
1
V+
+5V power supply
2
V-
Internal negative supply output
3
NC
No pin
4
TST
Power supply ground
5
COM
Analog Common
6
INLO
Negative input signal
7
INHI
Positive input signal
8
RFL
Negative reference input
9
RFH
Positive reference input
10
ROH
Internal reference output
11
D3
1.XXX decimal point
12
D2
1X.XX decimal point
13
D1
1XX.X decimal point
Dimensions
Width
2.54" (62.2 mm)
Height
1.03" (26.2 mm)
Depth
1.0" (26.2 mm)
Cutout
Width
2.39" (60.7 mm)
Height
0.98" (24.9 mm)
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