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DMD-465WB Strain Amplifier/Conditioner for Bridge, Load Cell, Transducer

Strain Amplifier/Signal Conditioners Modules for Strain Gages, Load Cells and Transducers

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DMD 465 WB Strain Amplifier Conditioner for Bridge Load Cell Transducer 12913

 The DMD-460 Series bridge amplifiers are self contained, ac or dc powered signal conditioning modules for strain gages, load cells and bridge-type sensors. The DMD 465 contains a precision differential instrumentation amplifier with voltage output. The DMD 465WB is similar, but has a frequency response to 2 kHz. The DMD 466 is similar to the above units, but with a 4 to 20 mA output instead of a voltage output.

• Bridge Excitation 4 to 15 Vdc up to 120 mA
• Works with Bridge Circuits of 120 Ohms or Higher
• Adjustable Gain and Offset
• 6-Wire Bridge Connections
Common
PowerStandard 115 Vac or optional 220 Vac ±10% 50/60 Hz or 10 to 36 Vdc 0.7 A @ 10V, 0.17 A @ 36V at maximum excitation load
Operating Temperature0 to 70°C (32 to 158°F)
Storage Temperature-25 to 85°C (-13 to 185°F)
Weight510 g (18 oz)
Size96 L x 51 W x 73 mm H (3.75 x 2 x 2.87")
Bridge Supply
Excitation Voltage Range4 to 15 Vdc
Current Output120 mA max
Line and Load Regulation(0 to 100 mA) 0.05% max
Output Noise0.5 mVrms
Voltage Output. DMD-465 and DMD-465WB
Gain Range40 to 250 (up to 1000 with external resistor on DMD-465 only)
Dynamic Response
DMD-4665DC to -3 dB = 3 Hz
DMD-465WBDC to -3 dB = 2 kHz
Max Output (2 kΩ Load)±10 Vdc
Output Impedance0.01 to 1 Ω
Output Offset-5 to 2V (DMD-465WB only)
300 msto 99.9% of final value, typical
200 msto 99% of final value, typical
Response Time
Dynamic ResponseDC to -3 dB = 3 Hz
Output Noise1 µA rms @ gain 0.2 mA/mV, 1 to 100 Hz
Compliance Voltage10 Vdc
Common-Mode Input Voltage±15V
Common-Mode Rejection90 dB
Input Impedance1000 MΩ
Temperature Stability200 ppm/°C
Linearity±0.05% FS
Zero Adjust0 to ±12 mA
Input Range for 20 mA utput10 mV min, 50 mV max
Output4 to 20 mA, 0 to 20 mA
4 to 20 mA Transmitter DMD-466
Common-Mode Input Voltage±15V
Common-Mode Rejection90 dB @ gain 40, 100 dB @ gain 250
Input Noise Line Frequency15 µV p-p
DMD-465WB1 Hz to 2 kHz = 2 mV
DMD-465120 µVrms
Output Noise (RTO)@ gain = 100
Input Impedance3000 MΩ
Input Bias Current30 nA
Gain Temp Coefficient200 ppm/°C
  • Thumbnail of document Data Sheet - DMD-465WB Strain Amplifier/Conditioner for Bridge, Load Cell, Transducer
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    Data Sheet - DMD-465WB Strain Amplifier/Conditioner for Bridge, Load Cell, Transducer

    Download

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