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Reference: 10HS ECHO - 5Mts
Reference: BASE-U-4
Reference: UA-002-64
Brand: ONSET
Reference: VH400-2M
Brand: VEGETRONIX
Reference: DS1922E-F5
Brand: iBUTTON MAXIM INTEGRATED
LPTPC-V Total Earth Pressure Cell
Total Earth pressure cells are designed to measure stress acting on flat surfaces.
Product Features
Overview
Total Earth Pressure Cells are designed to measure stress acting on plane surfaces. Total Earth Pressure Cells are constructed from two circular stainless steel plates, welded together around their periphery. The annular space between these plates is filled with deaired glycol. The cell is connected via a stainless steel tube to a transducer forming a closed hydraulic system. The stress is then converted to a signal and may be remotely read on a variety of portable readout units or data loggers.
RST Total Earth Pressure Cells are calibrated as a complete assembly (rather than just the sensor) to capture the calibration of the complete cell for highest quality of data.
ITEM | MODEL LPTPC-V | MODEL LPTPC-S |
Transducer Type | Vibrating Wire | Silicon Strain Gauge |
Range – Standard Calibration | Up to 2.0 MPa (300 psi) | Up to 2.0 MPa (300 psi) |
Range – Max Available | 20 MPa (3000 psi) | 20 MPa (3000 psi) |
Calibrated Accuracy | 0.15% F.S. | 0.15% F.S. |
Resolution | 0.025% F.S. minimum | Infinite |
Excitation Voltage | 5 V sq. Wave | Dependent on sensor |
Signal Output | 1200 – 2000 HZ | 4-20 mA |
0-5 VDC | ||
0-10 VDC | ||
4-20 mA + | ||
RS485 | ||
0-5 VDC + | ||
RS485 | ||
Thermistor | Yes (standard) | Optional (can be added) |
Conductor | 4 X #22 (2 for VW, 2 for Thermistor) | 4 X #22 | 2 X #22 |
Operating Temperature | -20 °C to +80 °C / -4°F to +176 °F | -20 °C to +80 °C / -4°F to +176 °F |
Total earth pressure cells are commonly used for:
See illustrations of how total earth pressure cells are used for:
TRANSDUCER | STANDARD CELL DIA. | STANDARD PRESSURES | HIGH PRESSURES | LOW PRESSURES |
(0.35 MPA – 3 MPa) | (>3 MPa – 20 MPa) | (<0.35 MPa) | ||
Vibrating Wire | 24.1 cm (9.5 in.) | LPTPC09-V | LPTPC09-V-HP | LPTPC09-V-LP |
Vibrating Wire | 31.7 cm (12.5 in.) | LPTPC12-V | LPTPC12-V-HP | LPTPC12-V-LP |
Silicon Strain Gauge | 24.1 cm (9.5 in.) | LPTPC09-S | LPTPC09-S-HP | LPTPC09-S |
Silicon Strain Gauge | 31.7 cm (12.5 in.) | LPTPC12-S | LPTPC12-S-HP | LPTPC12-S |
ITEM | PART # |
Standard Cable | EL380004 |
Heavy Duty Cable | EL380004HDL |
Cable with HDPE Jacket | EL342202 |
Mounting Ears (4 tabs) | LPTPC-4EARS |
Mounting Ears (3 tabs) | LPTPC-3EARS |
Other Ordering Info
Model Type.
Pressure range requirements.
Cable length and Type.
Ear option.
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LPTPC-V Total Earth Pressure Cell
Total Earth pressure cells are designed to measure stress acting on flat surfaces.
Product Features
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