Models 2B30 2B31 FEATURES Cost Complete Signal Conditioning Funct

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Models 2B30 2B31 FEATURES Cost Complete Signal Conditioning Funct

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High Performance, Economy Strain Gage/RTD Conditioners
Models 2B30 2B31
FEATURES Cost Complete Signal Conditioning Function Drift: 0.5µ/°C ("L"); Noise: Wide Gain Range: 2000V/V Nonlinearity: 0.0025% ("L") High CMR: 140dB (60Hz, =1000V/V) Input Protected 130V Adjustable Pass Filter: 60dB/Decade Roll-Off (from 2Hz) Programmable Transducer Excitation: Voltage 100mA) Current (100µA 10mA) APPLICATIONS Measurement Control Pressure, Temperature, Strain/Stress, Force, Torque Instrumentation: Indicators, Recorders, Controllers Data Acquisition Systems Microcomputer Analog
harsh industrial environments, such characteristics high CMR, input protection, noise, excellent temperature stability make 2B30/2B31 ideally suited indicators, recorders, controllers. combination cost, small size high performance 2B30/2B31 offers also exceptional quality value data acquisition system designer, allowing assign conditioner each transducer channel. advantages this approach over level multiplexers include significant improvements system noise resolution, elimination crosstalk aliasing errors. DESIGN FEATURES USER BENEFITS High Noise Rejection: true differential input circuitry with high (140dB) eliminating common-mode noise pickup errors, input filtering minimizing RFI/EMI effects, output pass filtering (fc=2Hz) rejecting 50/60Hz line frequency pickup series-mode noise. Input Output Protection: input protected shorts power lines (130V rms), output protected shorts ground either supply. Ease Use: Direct transducer interface with minimum external parts required, convenient offset span adjustment capability. Programmable Transducer Excitation: User-programmable adjustable excitation source-constant voltage l00mA) constant current (100µA l0mA) optimize transducer performance. Adjustable Pass Filter: three-pole active filter (fc=2Hz) reducing noise bandwidth aliasing errors with provisions external adjustment cutoff frequency.
GENERAL DESCRIPTION Models 2B30 2B31 high performance, cost, pact signal conditioning modules designed specifically high accuracy interface strain gage-type transducers RTD's (resistance temperature detectors). 2B31 consists three basic sections: high quality instrumentation amplifier; three-pole pass filter, adjustable transducer excitation. same amplifier filter 2B31, excitation capability. Available with offset drift 0.5µV/°C (RTI, 1000V/V) excellent linearity 0.0025% max, both models feature guaranteed noise performance (1µV max), outstanding l40dB common mode rejection (60Hz, ±10V, 1000V/V) enabling 2B30/2B31 maintain total amplifier errors below 0.1% over 20°C temperature range. pass filter offers 60dB/decade roll-off from reduce normal-mode noise bandwidth improve system signal-to-noise ratio. 2B31's regulated transducer excitation stage features output drift (0.01 5%/°C max) capability either constant voltage constant current operation. Gain, filter cutoff frequency, output offset level bridge excitation (2B31) adjustable, making 2B30/2B31 industry's most versatile high-accuracy transducer-interface modules. Both models offered three accuracy selections, J/K/L, differing only maximum nonlinearity offset drift specifications. APPLICATIONS 2B30/2B31 easily directly interfaced wide variety transducers precise measurement control pressure, temperature, stress, force torque. applications
Information furnished Intronics believed accurate reliable. However, responsibility assumed Intronics use; infringements patents other rights third parties which result from use. license granted implication otherwise under patent patent rights Intronics.
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Models 2B30 2B31 FEATURES Cost Complete Signal Conditioning Funct

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