Appendix A.Specifications

A.14500 Specifications

Model

4500S

4500AL1

4500AR

4500B

4500C

4500DP

4580

Available
Ranges2 (psi)

0-50, 0-100,
0-150, 0-250,
0-500, 0-750,
0-1000
0-1500
0-3000
0-5000
0-10000
0-15000

0-10
0-25

 

0-50
0-100
0-250

0-50
0-100
0-250

0-10, 0-25,
0-50, 0-150,
0-250, 0-500,
0-750, 0-1000,
0-1500
0-3000
0-5000
0-10000

0-1
0-2.5
0-5

Resolution

0.025% F.S.

0.025% F.S.

0.025% F.S.

0.025% F.S.

0.05% F.S.

0.025% F.S.

0.01% F.S.

Linearity3

< 0.5% F.S.

Accuracy4

0.1% F.S.

Overrange

1.5 × Rated Pressure

Thermal Coefficient

<0.025%
F.S./°C

<0.1%
F.S./°C

<0.05%
F.S./°C

<0.025%
F.S./°C

<0.05%
F.S./°C

<0.025%
F.S./°C

<0.025%
F.S./°C

Temperature Range

-20 °C to + 80 °C

Frequency Range

1400-3500 Hz

OD

.75"
19.05 mm

1"
25.40 mm

.75"
19.05 mm

.687"
17.45 mm

.437"
11.10 mm

1.3"
33.3 mm

1.5 / 2.5"
38.10 / 63.5 mm

Length

5.25"
133 mm

5.25"
133 mm

10"
254 mm

5.25"
133 mm

6.5"
165 mm

7.36"
187 mm

6.5"
165 mm

table 3: 4500 Vibrating Wire Piezometer Specifications

Notes:

Accuracy of test apparatus: 0.1%

Contact geokon for specific application information.

1 Accuracy of test apparatus: 0.05%

2 Other ranges available upon request

3 0.1% F.S. linearity available upon request

4 Derived using second order polynomial

A.24500CR Specifications

Model

4500S / 4500INCO / 4500TI

4500SH / 450INCOH / 4500TIH

4500AL / 4500INCOAL / 4500TIAL

Available Ranges (kPa)

−100 to 350, 700 kPa; 1, 2, 3 MPa

0-100 to 5, 7.5, 10 20MPa

0-70 & 125KPa

Resolution

0.025% F.S.

Linearity

< 0.5% F.S.

Accuracy1

0.1% F.S.

Overrange

1.5 × Rated Pressure

Thermal Coefficient

<0.025% F.S./°C

Temperature Range

−20 °C to + 80 °C

Frequency Range

1400-3500 Hz

Length x Diameter

133 x 19.05 mm / 5.25 x .75"

194 x 25.4 mm / 7.64 x 1"

194 x 25.4 mm / 7.64 x 1"

table 4: 4500CR Vibrating Wire Piezometer Specifications

Notes:

1 Derived using second order polynomial

A.3Thermistor

(See Appendix B also)
Range: –80 to +150 °C
Accuracy: ±0.5 °C

A.4Standard Piezometer Wiring

Pin

Function

Wire Color

A

Vibrating Wire Gauge +

Red

B

Vibrating Wire Gauge –

Black

C

Thermistor +

White

D

Thermistor –

Green

E

Cable Shield

Shield

F-K

Not Used

 

table 5: Standard Piezometer Wiring