Geokon 3400H Manuals

Manuals and User Guides for Geokon 3400H. We have 1 Geokon 3400H manual available for free PDF download: Instruction Manual

Geokon 3400H Instruction Manual

Geokon 3400H Instruction Manual (29 pages)

Semiconductor Piezometer

Brand: Geokon | Category: Measuring Instruments | Size: 1.22 MB

Table of Contents

Table of Contents
5
1 Theory of Operation

7
- Figure 1 - Model 3400 P
  7
2 Preliminary Tests

8
3 Saturating Filter Tips

9
4 Installation

11
- Establishing a Zero Pressure Reading
  11
- Installation in Boreholes
  11
- Figure 2 - Typical Borehole
  12
- Installation in Fills and Embankments
  13
- Table 1 - Cement /Bentonite
  13
- Figure 3 - High Air Entryf
  14
- Figure 4 - Low Air Entryf
  14
- Installation by Pushing or Driving into Soft Soils
  15
- Figure 5 - Typical Softs
  15
- Installation in Standpipes or Wells
  16
- Figure 6 - Typical Levelm
  16
- Model 3400H Transducer
  17
- Splicing and Junction Boxes
  17
- Figure 7 - Typical Multi -P
  17
- Electrical Noise
  18
- Freezing Protection
  18
- Lightning Protection
  18
- Figure 8 - Recommendedl
  19
5 Readout Procedures

20
- Initial Readings
  20
- Input Voltage
  20
- Converting to Pressures
  20
- Measuring Temperatures
  20
- Calibration
  21
- Figure 9 - Typicalc
  21
- Figure 10 - Typicalc
  22
- Figure 11 - Typicalc
  23
6 Data Reduction

24
- Pressure Calculation
  24
- Table 2 - Engineering Units
  24
- Equation 1 - Convertd
  24
  - Temperature Correction
    25
  - Barometric Corrections
    25
7 Troubleshooting

25
Appendix A. Specifications

26
Appendix B. Thermistor Temperature Derivation

28
- Table 5 - Thermistorr
  28
- Equation 2 - Resistance to
  28
Appendix C. Wiring Charts

29
- Millivolts Per Volt Output
  29
- Zero to Five Volt DC Output
  29
- Four to 20 Milliamp Output
  29
- Table 6 - M V/V Outputw
  29
- Table 8 - 4-20 M a Outputw
  29

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