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S7M A.C. Powered LVDT Signal Conditioning Amplifier |
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The RDP Electronics S7M, ac powered LVDT signal conditioning amplifier is specifically designed for use with LVDT and inductive transducers.
The tough aluminium case encloses a fully adjustable and configurable LVDT signal conditioning amplifier which can be matched with a displacement transducer to give output in voltage or 4-20mA. The selection between 4-20mA is made using PCB controls.
The high level of environmental protection allows the LVDT signal conditioning amplifier to be situated close to the transducer, even if the transducer is located on a dirty or wet machine. Cables are securely fastened using screw terminal blocks and seal through compression glands.
The S7M amplifier is compatible with all RDP Electronics LVDT transducers as well as most of those manufactured by other companies.
| Dimensions | A | B | C | D | E | Height |
| 220mm | 204mm | 120mm | 82mm | 6mm | 81mm | |
| Supply Requirements | 115 or 230Vac (selectable) (+10% -20%), 50/60Hz, 2.5VA typical. | |||||
| Transducer Excitation | 5V rms at 5kHz, 10mA. (1-10kHz selectable), 100mA max | |||||
| Amplifier output. | Voltage :- ±10V, 50mA max Current :- 4-20mA into 600 Ohms max. |
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| LVDT Amplifier Gain | x0.13 to x200 in 10 ranges with fine interpolation. (includes all RDP LVDTs) | |||||
| LVDT Amplifier Linearity | ±0.1% F.S. | |||||
| LVDT Amplifier Bandwidth | Flat to 500Hz | |||||
| Noise Output | 5mV pk to pk typical at 5kHz | |||||
| Input Impedance | 100k Ohms differential | |||||
| Zero Stability (typical) | ±0.002% F.S./°C | |||||
| Gain Stability (typical) | ±0.004% F.S./°C | |||||
| Zero Adjustment Range | ±10V (or ±8mA) minimum | |||||
| Working temperature range | -10°C to +50°C | |||||
| Weight | 1800gms | |||||
| Cable Gland size | 3mm to 6.5mm (for signals), 5mm to 10mm (for supply) | |||||
| Environmental Protection | IP65 | |||||
| Options available | Option T:- Twin trips with voltage free relays | |||||
| Option E:- Peak and trough store facility | ||||||
Due to the RDP Electronics policy of on-going development, specifications may change without notice.
Any modification may affect the specification of our equipment.