BPA-F-SA1
Small-sized Pore Pressure Transducer

Summary
Suitable for indoor model experiments such as liquefaction tests.
Featuring an outer diameter of 10 mm, the BPA-F-SA1 series are suitable for indoor model experiments such as liquefaction tests. Cone or flat tip type can properly be used according to the test condition.
Features
●Small-sized, 10 mm in diameter
●Watertight design enabling embedment applications for short-term experiments
●Suitable for indoor experiments such as liquefaction tests
●Cone or flat tip type can be used properly.
Products table
All display
BPA-F-200KPSA1
200 kPa

Specifications
Performance
Rated Capacity | 200 kPa |
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Nonlinearity | Within ±1% RO |
Hysteresis | Within ±1% RO |
Rated Output | 0.85 mV/V ±30% |
Environmental Characteristics
Safe Temperature | 0 to 70ºC (Non-freezing) |
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Compensated Temperature | 0 to 50ºC (Non-freezing) |
Temperature Effect on Zero | Within ±0.3% RO/ºC |
Temperature Effect on Output | Within ±0.3%/ºC |
Electrical Characteristics
Safe Excitation | 3 V AC or DC |
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Input Resistance | 350 Ω ±10% |
Output Resistance | 350 Ω ±10% |
Cable | 4-conductor (0.08 mm2) FTFE shielded cable, 4 mm diameter by 3 m long, bared at the tip (Shield wire is not connected to the case.) |
Mechanical Properties
Safe Overloads | 120% |
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Water Resistance | 240 kPa |
Wrapping | Stainless steel (Filter sintered brass metallic finish) |
Degree of Protection | IP67 (IEC 60529) |
Weight | Approx. 40 g |
Standard Accessories | Filters Cone type, 40 μm (Attached with BPA-F) and 100 μm Flat type, 40 μm and 100 μm Cone filter fixture (Attached with main body) Flat filter fixture |
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Dimensions

BPA-F-500KPSA1
500 kPa

Specifications
Performance
Rated Capacity | 500 kPa |
---|---|
Nonlinearity | Within ±1% RO |
Hysteresis | Within ±1% RO |
Rated Output | 1 mV/V ±20% |
Environmental Characteristics
Safe Temperature | 0 to 70ºC (Non-freezing) |
---|---|
Compensated Temperature | 0 to 50ºC (Non-freezing) |
Temperature Effect on Zero | Within ±0.3% RO/ºC |
Temperature Effect on Output | Within ±0.3%/ºC |
Electrical Characteristics
Safe Excitation | 3 V AC or DC |
---|---|
Input Resistance | 350 Ω ±10% |
Output Resistance | 350 Ω ±10% |
Cable | 4-conductor (0.08 mm2) FTFE shielded cable, 4 mm diameter by 3 m long, bared at the tip (Shield wire is not connected to the case.) |
Mechanical Properties
Safe Overloads | 100% |
---|---|
Water Resistance | 500 kPa |
Wrapping | Stainless steel (Filter sintered brass metallic finish) |
Degree of Protection | IP67 (IEC 60529) |
Weight | Approx. 40 g |
Standard Accessories | Filters Cone type, 40 μm (Attached with main body) and 100 μm Flat type, 40 μm and 100 μm Cone filter fixture (Attached with main body), Flat filter fixture |
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Dimensions

To Ensure Safe Usage
For long-term measurement, it is recommended to separately measure temperature and atmospheric pressure for compensation of measur ed values.