RST Instruments VW2100, Инструкция по эксплуатации, Страница: 4 / 34

VW2100 Vibrating Wire Piezometer
Instruction Manual
ELM0005P RST Instruments Ltd. Page iv
A
PPENDIX
B : C
ASAGRANDE
S
TYLE
F
ILTER
A
SSEMBLY
.................................................... 30
A
PPENDIX
C : VW2100-DP (D
RIVE
P
OINT
) P
IEZOMETER
................................................... 31
A
PPENDIX
D : U
SING THE
S
ECOND
O
RDER
P
OLYNOMIAL TO
I
MPROVE THE
A
CCURACY OF THE
C
ALCULATED
P
RESSURE
........................................................................................... 32
A
PPENDIX
E : T
HERMISTOR
T
EMPERATURE
D
ERIVATION
................................................... 33
A
PPENDIX
F R
EFERENCES
............................................................................................... 34
L
IST OF
F
IGURES
Figure 1-1 Vibrating Wire Piezometer (0.7 MPa) .................................................................. 5
Figure E-1 Thermistor Resistance versus Temperature ....................................................... 33
L
IST OF
E
QUATIONS
Equation 1 Linear equation ...................................................................................................... 11
Equation 2 Second order polynomial equation ......................................................................... 12
Equation E-1 Convert Thermistor Resistance to Temperature ................................................. 33
L
IST OF
T
ABLES
Table 7-1 General Specifications for All Models ................................................................. 27
Table 7-2 Specifications for Individual Models ................................................................... 28