Bridge/Strain Gage Signal Conditioner |
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Bridge/Strain Gage Signal Conditioner
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¥
4,355.00
DMD4059
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Standard DIN Rail Mounting
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Non-Interactive Zero and Span
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Fast Setup - Over 100 I/O Ranges
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Removable Connectors
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Full 3-Way Isolation
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Output Test Button
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Adjustable Excitation, 1 to 10 Vdc
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Zero Offset
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Applications: Load Cell Weighing, Scales, and Strain Gage Pressure Transducers
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Both Models AC or DC Powered
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View related products - Accessories for Pressure Measurement
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The DMD4059 accepts an input from full Wheatstone strain bridge sensors, pressure transducers or load cells. It provides filtering, amplifies, and converts the millivolt input signal into the selected dc voltage or current output that is linear to the input. The 3-way 1200V isolation eliminates ground loops, common mode voltages and greatly reduces noise pick-up. Sense wire connections are available to give maximum accuracy. Input, output, excitation and zero offset are field configurable via external rotary and slide switches. Offsets of up to ±100% of span can be used to cancel sensor offsets or tare fixed loads. Features such as red and green LEDs vary in intensity to show input and output activity and an output test button helps with set-up and troubleshooting.
SPECIFICATIONS
Input Range (unipolar): Minimum: 0 to 5 mV range, 0.5 mV/V sensitivity
Maximum: 0 to 400 mV range, 40 mV/V sensitivity
Input Impedance: 200 kΩ typical
Excitation Voltage: Switch selectable 0 to 10 Vdc in 1V increments
Maximum Output: 10 Vdc @ 120 mA
Fine Adjustment: ±5% via multi-turn potentiometer
Stability: ±0.01% per °C
Sense Lead Compensation: Better than ±0.01% per 1Ω change in leadwire resistance
Maximum Lead Wire Resistance: 10Ω with 350Ω @ 10 Vdc
Zero Offset (Tare): ±100% of span in 15% increments
Output Ranges:
Voltage (10 mA max): 0-1 to 0-10 Vdc
Bipolar Voltage (10 mA max): ±5 or ±10 Vdc
Current: 0-2 mA to 0-25 mA
Compliance, Drive @ 20 mA: 20V, 1000&937; drive; current output can be selectively wired for sink or source.
Output Linearity, Ripple and Noise: Better than ±0.1% of span, <10 mV rms ripple and noise
Output Zero and Span (Fine Adjustment): Multi-turn potentiometers to compensate for load and lead variations, ±15% of span adjustment range typical
Function Test Button: Sets output to test level when pressed. Adjustable 0 to 100% of span via potentiometer. Factory default is approx 50% of span.
Response Time: 70 ms typical
Common Mode Rejection: 100 db min
Isolation: 1200 Vrms min, 3-way isolation, power to input, power to output and input to output
Operating Temp Range: -10 to 60 °C (14 to 140 °F)
Thermal Stability: Better than ±0.02% of span per °C
Standard Power: 80 to 265 Vac, 50/60 Hz or 85 to 300 Vdc
Low Voltage "DC" Option: 9 to 30 Vdc or 10 to 32 Vac
Power Consumption: 2 to 5 W depending upon number of load cells
Mounting: Mounts to standard 35 mm DIN rail
Environmental Protection: IP40
Connections: Four 4-terminal removable connectors 14 AWG max wire size
Dimensions: 22.5 W x 117 H x 122 mm D (0.89 x 4.62 x 4.81"), height includes connectors
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† Price are shown in RMB.
Note: Comes complete with operator’s manual.
Ordering Example: (1) DMD4059 standard power, isolated strain gage signal conditioner, ¥4,355.00
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