Japan, Kyowa Electronic Instruments Co., Ltd.
Kyowa BER-A-500KP12S BER-A-12S Wall-surface Soil Pressure Transducer
Made in Japan
Manufacturer: Kyowa Electronic Instruments Co., Ltd.
Model: BER-A-500KP12S
Suitable for the chamber soil pressure of a shield machine, or backfill pressure measurement.
BER-A-12S/58S is an soil pressure transducers of the load cell type designed not to be subject to the influence of a structure bending.These are suitable for surface-of-a-wall soil pressure measurement.ince the 2-model (12, 58) preparations of these are made, they can choose the model united in the installation direction.
Features
●Wear of the pressure sensing surface does not affect output or initial values.
●Load cell-based design is less affected by bending effects.
●This is for granular material pressure measurement whose particle diameter is about φ10.
Specifications
Performance
Rated Capacity | 500 kPa |
---|---|
Nonlinearity | Within ±1% RO |
Hysteresis | Within ±1% RO |
Repeatability | 1% RO or less |
Rated Output | 1 mV/V (2000 ×10-6 strain) or more |
Environmental Characteristics
Safe Temperature | -30 to 80ºC |
---|---|
Compensated Temperature | 0 to 70ºC |
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 5 V AC or DC |
Input Resistance | 350 Ω ±2% |
Output Resistance | 350 Ω ±2% |
Cable | 4-conductor (0.5 mm2) chloroprene shielded cable, 9.7 mm diameter by 30 m long, bared at the tip (Shield wire is not connected to the case.) |
Mechanical Properties
Safe Overloads | 120% |
---|---|
Exterior | Pressure sensing surface: Stainless steel metallic finish Flange and Cable outlet: ZnC-plated MF |
Water Resistance (Cable outlet) | 600 kPa |
Weight | Approx. 3.2 kg (Excluding cable) |
Dimensions
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