BEC-A,BED-A
A pressure-sensing surface 23mm in diameter.Suitable for measurement fo soil pressure distribution in short-term or model experiment
The BEC-A and BED-A series are small-sized soil pressure transducers having an outer diameter of 30 mm and a pressure-sensing surface diameter of 27 mm. They are used for measurement of soil pressure distribution in short-term or model experiments
?? Suitable for short-term experiments
Model |
Rated Capacity |
Use |
BEC-A -200KP |
200kPa |
Underground soil pressure measurement |
BEC-A -500KP |
500kPa |
BEC-A -1MP |
1Mpa |
BED-A -200KP |
200kPa |
Wall surface soil pressure measurement |
BED-A -500KP |
500kPa |
BED-A -1MP |
1Mpa |
Nonlinearity |
Within ??2% RO |
Hysteresis |
Within ??1% RO |
Rated Output |
0.25 mV/V (500??m/m) or more |
0.25 mV/V (500??m/m) or more |
Safe Temperature Range |
-10 to 60??C |
Temperature Effect on Zero Balance |
Within ??0.4% RO/??C |
Temperature Effect on Output |
Within ??0.4%/??C |
Electrical Characteristics |
Recommended Excitation Voltage |
2 to 4V AC or DC |
Input Resistance |
120?? ??1.7% |
Output Resistance |
120?? ??1.7% |
Cable |
4-conductor (0.08 mm
2
) chloroprene shielded cable, |
4 mm diameter by 3 m long, |
bared at the tip (Shield is not connected to the chassis) |
Mechanical Properties |
Safe Overload Rating |
120% |
Weight |
Approx. 120 g |