Japan, Kyowa Electronic Instruments Co., Ltd.
Kyowa BPB-A-500KP-T BPB-A-T Pore Pressure Transducer
Made in Japan
Manufacturer: Kyowa Electronic Instruments Co., Ltd.
Model: BPB-A-500KP-T
Embedded in a boring or together with a pile or steel sheet pile. These transducers measure pore water pressure Recommendable Excitation Voltage. Embedded in a boring or together with a pile or steel sheet pile, BPB-A/BPB-A-T series transducers measure pore water pressures or pore pressures. If desired, they can be used as pressure-based underground water level transducers by installing in a well. Recommendable Excitation Voltage. The BPB-A-T series is provided with temperature measuring function for simultaneous measurement of pore pressure and temperature. The cable length may be changed as specified.
Features
Small-sized design, 30 mm in outer diameter, enables installation in boring of small diameters. Flat filter (10μm mesh standard) is provided to prevent the sensing part from clogging. Stainless steel case (including flat filter FB-10SUS)
Specifications
Performance
Pore Pressure Measurement
| Rated Capacity | 500 kPa |
|---|---|
| Nonlinearity | Within ±1% RO |
| Hysteresis | Within ±1% RO |
| Rated Output | 1.0 mV/V or more |
Temperature Measurement
| Rated Capacity | -30 to 70ºC |
|---|---|
| Measurement Error | ±0.5°C (-30 to 70°C) (When measuring temperatures by using Kyowa’s civil engineering transducers with a thermal sensor.) |
Environmental Characteristics
| Safe Temperature | -30 to 80ºC (Non-freezing) |
|---|---|
| Compensated Temperature | 0 to 60ºC (Non-freezing) |
| Temperature Effect on Zero | Within ±0.1% RO/ºC |
| Temperature Effect on Output | Within ±0.1%/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 ±0.8% (At 0ºC) |
| Cable | 4-conductor (0.5 mm2) chloroprene cable, 11.5 mm diameter by 1 m long, bared at the tip |
Mechanical Properties
| Safe Overloads | 150% |
|---|---|
| Weight | Approx. 320 g (Excluding cable) |
Dimensions
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