Suitable for surface-of-a-wall soil pressure measurement of a small shield machine. This is the small and lightweight wall-surface soil pressure transducers which harnessed the feature of BER-A-12. Since the 2-model (15, 17) 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 φ3.
Products table
All display
BER-A-500KP15S 500 kPa
Specifications
Performance
Rated Capacity
500 kPa
Nonlinearity
Within ±2% RO
Hysteresis
Within ±2% 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 ±0.3% 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 (0.3 mm2) chloroprene shielded cable, 7.6 mm diameter by 30 m long, bared at the tip (Shield wire is not connected to the case.)
Mechanical Properties
Safe Overloads
120%
Exterior
Stainless steel metallic finish
Water Resistance (Cable outlet)
600 kPa
Weight
Approx. 400 g (Excluding cable)
Dimensions
BER-A-1MP15S 1 MPa
Specifications
Performance
Rated Capacity
1 MPa
Nonlinearity
Within ±2% RO
Hysteresis
Within ±2% 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 (0.3 mm2) chloroprene shielded cable, 7.6 mm diameter by 30 m long, bared at the tip (Shield wire is not connected to the case.)
Mechanical Properties
Safe Overloads
120%
Exterior
Stainless steel metallic finish
Water Resistance (Cable outlet)
600 kPa
Weight
Approx. 400 g (Excluding cable)
Dimensions
BER-A-2MP15S 2 MPa
Specifications
Performance
Rated Capacity
2 MPa
Nonlinearity
Within ±2% RO
Hysteresis
Within ±2% 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 (0.3 mm2) chloroprene shielded cable, 7.6 mm diameter by 30 m long, bared at the tip (Shield wire is not connected to the case.)
Mechanical Properties
Safe Overloads
120%
Exterior
Stainless steel metallic finish
Water Resistance (Cable outlet)
600 kPa
Weight
Approx. 400 g (Excluding cable)
Dimensions
BER-A-5MP15S 5 MPa
Specifications
Performance
Rated Capacity
5 MPa
Nonlinearity
Within ±2% RO
Hysteresis
Within ±2% 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 (0.3 mm2) chloroprene shielded cable, 7.6 mm diameter by 30 m long, bared at the tip (Shield wire is not connected to the case.)
Mechanical Properties
Safe Overloads
120%* *Safe overload of pore pressure (Liquid and gas pressure) is 3MPa.
