S7DC In-Line Strain Gauge Signal Conditioning Amplifier Module
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S7DC In-Line Strain Gauge Signal Conditioning Amplifier Module |
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The RDP Electronics S7DC strain gauge amplifier is specifically designed for use with Strain Gauge transducers and, with external bridge completion can be used with 1/4, 1/2 and full bridge strain gauges.
The tough aluminium case encloses a fully adjustable and configurable signal conditioning amplifier which can be matched with the strain gauge transducer to give output in voltage or 4-20mA. Although both voltage and 4-20mA outputs are available in parallel, they have common calibration controls.
The high level of environmental protection allows the amplifier to be situated close to the transducer, even if the transducer is located on a dirty or wet machine.
The S7DC signal conditioning amplifier unit has variable excitation and includes a shunt calibration facility. The shunt calibration facility can also be activated remotely allowing a calibration check as part of a machine self-check facility for example. Many RDP Electronics strain gauge type transducers have this facility.
| Dimensions | A | B | C | D | E | Height |
| 98mm | 86mm | 64mm | 36mm | 4mm | 34mm | |
| Supply Requirements | ±5V to ±18V dc or 10V to 36V, 30mA + load max. | |||||
| Transducer Excitation | 3-10V (at 13V to 36V supply) | |||||
| Strain gauge amplifier output. | Voltage :-±10V max Current :- 4-20mA 3 wire,(depending on supply and load) |
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| Signal input range | 5mV to 10V input for 0 to 5V output (6 ranges + fine) | |||||
| Strain gauge amplifier Linearity | ±0.02% F.S. | |||||
| Strain gauge amplifier Bandwidth | Flat to 5kHz (Typ), 20Hz with filter on. Others by capacitor change. | |||||
| Noise Output | 10mV or 30µA pk to pk with filter OFF | |||||
| Input Impedance | >10M Ohms | |||||
| Zero Stability (typical) | ±0.001% F.S./°C | |||||
| Gain Stability (typical) | ±0.003% F.S./°C | |||||
| Zero Adjustment Range | ±2V typical (depends on fine gain setting) | |||||
| Working temperature range | -10°C to +60°C | |||||
| Shunt calibration resistor value | 59k ohms standard, can be changed by customer. | |||||
| Weight | 260gms | |||||
| Cable Gland size | 2mm to 5mm | |||||
| Environmental Protection | IP65 | |||||
Due to the RDP Electronics policy of on-going development, specifications may change without notice.
Any modification may affect the specification of our equipment.