DP3520-3详细介绍

DP3520-3

4-1/2数字直流电压表，1/16 DIN外壳，使用电压为5 Vdc
DP3520
1年保修 CE
4-1/2数字直流电压表，1/16 DIN外壳，使用电压为5 Vdc
DP3520:4-1/2数字直流电压表，1/16 DIN外壳，使用电压为5 Vdc

DP3520-5
±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



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
±0.001%/°C Span Tempco
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: (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

产品型号说明
(1) (2) (3) (4) (5) (6)
选项描述
(1) Model
选择
DP3520 代表 4-1/2 digit 5 Vdc powered voltmeter
(2) Input Range
选择
-3 代表 ±1.9999 Vdc
-4 代表 ±19.999 Vdc
-5 代表 ±199.99 Vdc
(3) Span Tempco (Temperature Coefficient)
选择
Nothing(leave field blank) 代表 Standard (±0.005% of reading/°C) span tempco
-LT 代表 High-stability (±0.001% of reading/°C) span tempco
(4) Upper Board Output Options
选择
Nothing(leave field blank) 代表 Standard serial BCD output non-isolated
-F2M 代表 Parallel BCD output three-state (mutually exclusive with PA) Includes PCB edge connector
(5) Case Mounting
选择
Nothing(leave field blank) 代表 spring clamp case mounting
-UC 代表 U-shaped mounting clamp
(6) Add-On Option
选择
Nothing(leave field blank) 代表 red LED display
-G 代表 Green LED display

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