Japan, Kyowa Electronic Instruments Co., Ltd.
Kyowa BS-8FT Small-sized Strain Transducer
Made in Japan
Manufacturer: Kyowa Electronic Instruments Co., Ltd.
Model: BS-8FT
This transducer is designed to measure strain in the inside or on the surface of thin concrete wall or on the surface of steel such as a wide flange beam.
The BS-8FT strain transducer is designed to measure strain in the inside or on the surface of a thin concrete wall or on the surface of steel such as a wide-flange beam. A temperature measuring function enables it to simultaneously measure strain and temperature. Since the compact design measures only 80 mm in length, embedment applications are limited to concrete with comparatively small aggregates.
Features
●Self-temperature compensation type designed with a linear expansion coefficient approximated to that of concrete
●Wide application range including measurement of strain on an earth retaining strut, steel sheet-pile and tunnel support
●Usable for long-term measurement in place of a directly bonded strain gage
Specifications
Performance
Strain Measurement
| Rated Capacity | ±1000 ×10-6 strain |
|---|---|
| Nonlinearity | Within ±2% RO |
| Hysteresis | Within ±3% RO |
| Rated Output | 2.6 mV/V or more (From minus to plus rated output) |
Temperature Measurement
| Rated Capacity | -30 to 70ºC |
|---|---|
| Measurement Error | ±0.5ºC (-30 to 70ºC) |
Environmental Characteristics
| Safe Temperature | -30 to 80ºC |
|---|---|
| Compensated Temperature | -20 to 70ºC |
| Temperature Effect on Output | Within ±0.05%/ºC |
Electrical Characteristics
| Safe Excitation | 10 V AC or DC |
|---|---|
| Recommended Excitation | 2 to 10 V AC or DC |
| Input Resistance | 350 Ω ±1% at 0ºC |
| Output Resistance | 450 Ω ±1.6% at 0ºC |
| Cable | 4-conductor (0.3 mm2) chloroprene cable, 6 mm diameter by 1 m long, bared at the tip |
Mechanical Properties
| Instrument Length | 80 mm |
|---|---|
| Safe Overloads | 120% |
| Apparent Linear Expansion Coefficient | (11 ±1)×10-6/ºC |
| Weight | Approx. 120 g |
Dimensions
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