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4-1-2 Digit DC-PoweredSrain-Microvoltmeter
DP3520-PA
PLACE ORDER - ±19,999 Count Display Span
- True-Differential Input
- 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
Description
Description
The DP3520-PA is an economical 5-volt powered,high-resolution, high-accuracy 4-1/2 digit dcmicrovoltmeter in a compact 1/16 DIN case. The heightof the panel cutout is 22 mm (0.88"), and the depthrequired behind the panel is only 72 mm (2.83").
Low cost, small size, low power consumption at5 Vdc and exceptional power-supply noise rejectionmake the DP3520-PA ideal for demanding OEM andportable-instrument applications.
MICROVOLT PREAMPLIFIER
The DP3520-PA incorporates a preamplifier, whichcan be programmed for resolution from 1 to 25 µV/count and for a zero offset up to ±0.6 mV (RTI) ±21%of full-scale readout (RTO).
The DP3520-PA can be configured for use with loadcells and pressure gauges, which require zero andspan adjustment for readout in engineering units.Bridge excitation may be provided by the same5 Vdc supply that powers the meter, or by an external,isolated 10 or 15 Vdc power supply.
The DP3520-PA can also be configured as amicrovoltmeter using an internal reference, or in aratiometric mode using an external reference.
SERIAL BCD
Non-isolated, character-serial BCD output is standardto allow the DP3520-PA to be interfaced to otherinstrumentation.
Model DP3520-PA provides a differentialprogrammable preamplifier for use with low-levelbridge circuits. Bridge excitation can be provided bythe same 5 Vdc power supply that powers the meter.
SPECIFICATIONS
Noise Rejection
NMR, SIG HI to SIG LO: 60 dB, 50/60 Hz
CMR, SIG GND to SIG LO: 86 dB, DC to 60 Hz
CMV, SIG GND to SIG LO: -1 to 2.5 Vdc
Power Supply Rejection: 86 dB at 50/60 Hz
Conversion
Technique: Dual-slope, average-value
Signal Integration Period: 100 msec
Read Rate: 2.5/sec
Analog Input
Input Configuration: Differential, ratiometric
Coarse-Span Adjustment: Jumper-selectable gain ranges
Fine-Span Adjustment: Front-panel accessible precision potentiometer
Zero Adjustment (RTI or Deadload): ±0.6 mV
Zero Adjustment (RTO or Tare): ±20.9% of full-scale display
Bias Current: 10 nA typ, 20 nA max
Accuracy At 25°C Error
Max: ±0.01% of reading ±2 counts
Span Tempco, Typ: ±0.003% of reading/°C
Zero Tempco, Typ: ±0.3 µV/°C
Step Response: 2 sec to 99.9% of span
Warmup to Rated Accuracy: 30 min
Digital Signals
Output Signals: TTL-compatible
HOLD Input: TTL or 5V CMOS compatible
BLANKING Input: Open-collector compatible
Power
Voltage: 5 to 5.25 Vdc
Current: 170 to 230 mA
Power Consumption: 1 W (nominal)
Environmental
Operating Temperature: 0 to 55°C (32 to 122°F)
Storage Temperature: -40 to 85°C (-40 to 184°F)
Relative Humidity: 95% at 40°C (104°F) (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: 145 g (5 oz)
Case Material: 94 V-0 UL-rated polycarbonate Anemometer | Automation | Accelerometers | Calibrator | Cartridge Heaters | Chart Recorders | Cryogenics | Custom Pressure Transducers | Data Loggers | Data Acquisition | Dial Thermometers | Fiber Optics | Fiber Optic Temperature Measurement | Flexible Heaters | Flow Meters | Glass Bulb Thermometers | Grippers | Heaters | Humidity Measurement | Integrated Circuit Sensors | Immersion Heaters | Infrared Thermometers | Level Measurement | Load Cells | M12 Temperature Connectors | Magnetic Flow Meter | Panel Meter | PID Controllers | pH meter | Pressure Gauges | Pressure Transducers | Pressure Transmitters | Rotameters | RTD | Remote Process Monitoring | Sanitary Sensors | Signal Conditioners | Stepper Motors | Strain Gages | Strip Heaters | Temperature Controllers | Temperature Labels | Temperature Measurement | Temperature Sensor Manufacturing | Temperature Sensors | Temperature Transmitters | Thermal Imagers | Thermistors | Thermocouple | Thermocouple Wire | Thermowell | Ultrasonic Flow Meters | Vortex Flow Meter | Wireless Sensors
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