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DRC-4710_DRC-4720導(dǎo)軌安裝式電橋輸入信號調(diào)節(jié)器OMEGA歐米茄

DIN導(dǎo)軌安裝

電橋輸入（稱重傳感器、應(yīng)變計）或電壓輸入

0至10 Vdc（DRC-4710）或4至20 mA（DRC-4720）輸出

經(jīng)濟型

DRC-4710和DRC-4720 DIN軌道安裝信號調(diào)節(jié)器是獨立的直流供電模塊，設(shè)計用于電橋輸入（稱重傳感器、應(yīng)變計）或電壓輸入（不連接電橋，不使用勵磁電源）。這些信號調(diào)節(jié)器包括精密儀表放大器、濾波輸出和內(nèi)置10V勵磁電源，能夠驅(qū)動350Ω電橋。

DRC-4710_DRC-4720導(dǎo)軌安裝式電橋輸入信號調(diào)節(jié)器OMEGA歐米茄

輸入

輸入范圍：0至10 mV、0至20 mV、0至30 mV（DIP開關(guān)可選）

線性度：±0.01%

溫度系數(shù)：0.05%/°C

輸入偏移電壓：±70微伏

輸入偏移電壓溫度系數(shù)：0.7微伏/攝氏度

共模電壓：0至5V

共模抑制（DC）：100 dB

輸入噪聲：0.3μV pp典型值（0.1至10 Hz）

產(chǎn)量

輸出范圍：DRC-4710:0至10 Vdc

DRC-4720:4至20 mA

負載電流（DRC-4710）：最大5 mA

合規(guī)電壓（DRC-4720）：最大5.5 V

回路電阻（DRC-4720）：最大250Ω

頻率響應(yīng)（2極濾波器）：直流至10Hz

總均方根增益溫度系數(shù)：0.007%/°C

橋勵磁電源

固定輸出：10V±1.5%

溫度系數(shù)：0.05%/°C

負載電流：最大30 mA

總功率：18至26 Vdc

功耗（一個350Ω電橋）：

DRC-4710:0.96 W（40 mA@24 Vdc）

DRC-4720:1.32 W（55 mA@24 Vdc）

工作環(huán)境：0至55°C（32至131°F）

儲存溫度：-40至80°C（-40至176°F）

尺寸：96 H x 27 W x 42 mm D（3.78 x 1.06 x 1.65“）

重量：85克（3盎司）

DRC-4710_DRC-4720導(dǎo)軌安裝式電橋輸入信號調(diào)節(jié)器OMEGA歐米茄

DIN Rail Mount

Bridge Input (Load Cell, Strain Gage) or Voltage Input

0 to 10 Vdc (DRC-4710) or 4 to 20 mA (DRC-4720) Output

Economical

The DRC-4710 and DRC-4720 DIN rail mount signal conditioners are self-contained DC powered modules designed for bridge input (load cell, strain gage) or voltage input (not connected to a bridge, excitation supply not used). These signal conditioners contain a precision instrumentation amplifier, filtered output and a built-in 10V excitation supply capable of driving a 350 Ω bridge. 

The 0 to 30 mV input range makes the DRC-4710 and DRC-4720 compatible with most strain gage based load cell or pressure transducer outputs. Two models are available, one with 0 to 10 Vdc output (DRC-4710), and the other with 4 to 20 mA output (DRC-4720). Connections are made via easily accessible screw terminal blocks. Zero and Span adjustment potentiometers are located externally as well for easy access. 

Specifications

INPUT

Input Range: 0 to 10 mV, 0 to 20 mV, 0 to 30 mV (dip switch selectable)

Linearity: ±0.01%

Temperature Coefficient: 0.05%/°C

Input Offset Voltage: ±70 μV

Input Offset Voltage Temperature Coefficient: 0.7 μV/°C

Common Mode Voltage: 0 to 5V

Common Mode Rejection (DC): 100 dB

Input Noise: 0.3 μV pp typ (0.1 to 10 Hz) 

OUTPUT

Output Range: DRC-4710: 0 to 10 Vdc

DRC-4720: 4 to 20 mA

Load Current (DRC-4710): 5 mA max

Compliance Voltage (DRC-4720): 5.5V max

Loop Resistance (DRC-4720): 250 Ω max

Frequency Response (2-Pole Filter): DC to 10 Hz

Total RMS Gain Temperature Coefficient: 0.007%/°C 

BRIDGE EXCITATION SUPPLY

Fixed Output: 10V ±1.5%

Temperature Coefficient: 0.05%/°C

Load Current: 30 mA max 

GENERAL Power: 18 to 26 Vdc

Power Consumption (One 350 Ω Bridge): 

DRC-4710: 0.96 W (40 mA @ 24 Vdc)

DRC-4720: 1.32 W (55 mA @ 24 Vdc)

Operating Ambient: 0 to 55°C (32 to 131°F)

Storage Temperature: -40 to 80°C (-40 to 176°F)

Dimensions: 96 H x 27 W x 42 mm D (3.78 x 1.06 x 1.65")

Weight: 85 g (3 oz)