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傳感器信號放大器是將傳感器輸出信號進行精密放大，線路內部進行穩壓、恒流供橋、電壓電流轉換，阻抗適配，線性補償，溫度補償等，將力學量轉換成標準電流、電壓信號輸出。
美國Transducer Techniques TMO-2集成放大器和信號調理儀功能，用于信號源和讀出設備之間的信號調理器件，如衰減器、前置放大器、電荷放大器以及對傳感器或放大器進行非線性補償的電平轉換器件。
Transducer TMO-2傳感器模塊是一款差分放大器/信號調節器，價格好，性價比高。并提供激勵，結算和滿刻度校準功能。
The TMO-2 Transducer Modules is a complete differential amplifier/signal conditioners with self contained power. The units provide excitation, balance and span adjustment via precision 10 turn pots, and shunt calibration necessary to couple a user supplied bridge type transducer to an indicating instrument. Full scale output is specified at plus or minus 10 VDC. The TMO-2 provides a floating shunt calibration circuit which applies calibration at the transducer, thereby eliminating errors due to line losses. The excitation supply incorporates a Wagner Ground to greatly improve Common Mode Rejection. The factory set bandwidth of the module is narrow to improve stability for applications such as weighing scales. The removal of a single capacitor will increase the frequency response DC to 60K Hz for dynamic data applications.
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SIGNAL CONDITIONER
Type: Full external bridge
Sensor Resistance: 120 to 1000 ohm
Balance Range: ±30% of output (350 ohm
bridge)
Shunt Calibration: Single point momentary
Calibration Value: 1 mV/V resistor provided
BRIDGE AMPLIFIER
Type: Bipolar differential
Gain Range: 67 to 737
Input Sensitivity: 1 mV/V to 10 mV/V
Input Impedance: 10 Megohm minimum
Output Voltage: 0 to 10 Volts (2 mV/Vspecs)
Output Current: 0 to 10 mA
Output Impedance: 75 ohm
CMR: 110 db minimum, DC to 60 Hz
Noise and Ripple: Less than 3 mVP-P
Nonlinearity: .01% maximum
Accuracy: ± .05% of FS
Type: Low pass, 6 db, octave
Frequency: 16 Hz standard (160 and
1600 Hz available)
EXCITATION SUPPLY
Type: Constant voltage
Output: 8 VDC ± .25V
Output Current: 0 to 120 mA
Current Limit: Factory set at 65 mA
Load Regulation: .1% maximum for 99%
load change
GENERAL
Balance Stability: .2% for 8 hours
Gain Stability: .01% for 8 hours
Tempco: .02% full scale/°C
Isolation: 1000 Megohm, output to AC
Operating Temp: 0 to 50°C
Size: 3 x 3.75 x 6.25 inches
Weight: Less than 2 lb approx.
Fuse: 250 mA internal
Power: 115 VAC 10% 60 Hz 3 Watts
訂貨型號
Order Code Model Capacity Range Calibration Description
TM0-2 N/A 120 VAC Conditioner Module 16 Hz Filter
TM0-2-160 N/A 120 VAC Conditioner Module 160 Hz Filter
TM0-2-1600 N/A 120 VAC Conditioner Module 1600 Hz Filter
相關型號
TMO-2A
LCA-9PC
LCA-RTC
DPM-2
3