OMEGA – DP3520

///OMEGA – DP3520
  • OMEGA - DP3520

OMEGA – DP3520

  • ±19,999 Count Display Span
  • ±2 V to ±200 Vdc Ranges
  • True-Differential Input
  • 86 dB CMR
  • 1 GΩ Input Impedance
  • 1 pA Input Bias Current
  • 3-Wire Ratio Measurement
  • Serial BCD Output
  • Bright, 14 mm (0.56″)
  • LED Display
  • Automatic Zero and Polarity
  • Display Hold and Test
  • 5 Vdc Power
  • Low-Profile 1⁄16 DIN Case
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Product Description

The DP3520 is an economical 5-volt powered, high-resolution, high-accuracy 4-1/2 digit DC voltmeter in a compact 1/16 DIN case. The height of the panel cutout is only 22 mm (0.88″). The depth behind the panel is only 72 mm (2.83″).

Low cost, small size, low power consumption and exceptional power-supply noise rejection make the DP3520 ideal for demanding OEM and portableinstrument applications. Non-isolated character-serial BCD output is standard to allow the DP3520 to be interfaced to other instrumentation.

PARALLEL BCD OPTION F2M
The F2M option is an upper board which converts the meter’s serial BCD output to non-isolated, three-state parallel BCD. An address decoder on the board permits the meter’s parallel BCD outputs to be enabled by a 4-bit binary address signal for three-state data-busing applications.

Options:

Three-State Parallel BCD Output
High-Impedance 3-Wire Ratio Input

SPECIFICATIONS
Noise Rejection
NMR: 60 dB at 50/60 Hz
CMR: 86 dB, DC to 60 Hz
CMV: SIG LO to DIG GND ±1 Vp
Accuracy at 25°C
Maximum Error: ±0.01% of reading ±2 counts
Span Tempco, Standard: (2 V) ±0.005% of reading/°C, (20/200 V) ±0.0025 of reading/°C
Span Tempco, Optional -LT discontinued: (2 V) ±0.001% of reading/°C, (20/200 V) ±0.002% of reading/°C
Step Response: 2 s
Warmup to Rated Accuracy: 0.5 hr
Signal Input
Configuration: Bipolar, true-differential
Zero: Automatic
Analog-To-Digital Conversion
Technique: Dual-slope, average-value
Polarity: Automatic
Signal Integration Period: 100 ms
Read Rate: 2.5/s
3-Wire Ratio Reference
Reference Voltage: 0.5 to 3.0V
Load on Reference, Std: 40 kΩ
Load on Reference, Opt: 1 GΩ
Display
Type: 7-segment, red LED
Height: 14 mm (0.56″)
Symbols: -1.8.8.8.8
Decimal Points: Four positions programmable internally or at connector
Overrange Indication: Display flashes
Digital Signals
Output Signals: TTL-compatible
Hold Input: TTL or 5V CMOS compatible
Blanking Input: Open-collector compatible
Power
Voltage: 5 Vdc ±5%
Current: 170 to 230 mA
Power Consumption: 1 W (nominal)
Environmental Operating Temperature: 0 to 55°C
Storage Temperature: -40 to 85°C
Relative Humidity: 95% at 40°C(non-condensing)
Mechanical
Dimensions: 24 H x 96 W x 72 mm D (0.94 x 3.77 x 2.82″)
Panel Cutout: 22.2 x 92 mm (0.874 x 3.622″)
Weight: 5 oz (145 g)
Case Material: 94V-0 UL-rated polycarbonate

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