Section 5
5.1
TECHNICAL CHARACTERISTICS
Functional Specifications
Process Fluid
Liquid, gas or steam.
Output
Two-wire, 4-20 mA controlled according to NAMUR NE43 Specification. See the figure below.
Output Current
Satured
Satured
Failure
Set Range
Pressure (%)
Failure
21.0
20.5
20.0
4.0
3.6
3.8
-1.25% 0%
-1.25%
100% 103.25%
Maximum Detected
Pressure
Minimum Detected
Pressure
Power Supply
12 to 45 Vdc.
Load Limitation
Max. Impedance
(V power supply - 12VDC) / 0.02
.
Indicator
Optional 4½-digit numerical and 5-character alphanumerical LCD indicator.
Hazardous Area
Certifications
See appendix A
European
Directive
Information
See appendix A
Zero and Span
Adjustments
Non interactive, via magnet tool.
Temperature
Limits
By Local Adjustment from 0 to 0.975 URL, URL = Upper Range Limit.
Temperature Limits
Ambient
-40
to
85 ºC
-40
to
185 ºF
-15
to
85 ºC
-59
to
185 ºF
LD290I
Process
-40
to
100 ºC
-40
to
212 ºF
Silicone Oil
0
to
85 ºC
32
to
185 ºF
Fluorolube Oil
-25
to
85 ºC
-13
to
185 ºF
Viton ‘Ring
-40
to
150 ºC
-40
to
302 ºF
LD290L
-15
to
150 ºC
-59
to
302 ºF
LD290I
Storage
40
to
100 ºC
-40
to
212 ºF
Digital Display
-20
to
80 ºC
-4
to
176 ºF
Operation
-40
to
85 ºC
-40
to
185 ºF
without damage
Failure Alarm
In case of sensor or circuit failure, the self-diagnostics drives the output to 3.6 or 21.0 mA, according to the user's
choice.
Turn-on Time
Performs within specifications in less than 5 seconds after power is applied to the transmitter.
Содержание LD290
Страница 1: ......
Страница 2: ......
Страница 6: ...LD290 Operation and Maintenance Instruction Manual VI...
Страница 9: ...Installation 1 3 Figure 1 1 b Dimensional Drawing and Mounting Position for LD290 Sanitary...
Страница 11: ...Installation 1 5 Figure 1 1 d Dimensional Drawing and Mounting Position for LD290 Level...
Страница 18: ...LD290 Operation and Maintenance Instruction Manual 1 12...
Страница 32: ...LD290 Operation and Maintenance Instruction Manual 3 10...
Страница 37: ...Maintenance Procedure 4 5 16 18 6 8 9 10 11 12 13 14 15 17 5 1 2 3 4 7 19 Figure 4 1 Exploded View...
Страница 42: ...LD290 Operation and Maintenance Instruction Manual 4 10...
Страница 61: ...Appendix A A 7 CEPEL Centro de Pesquisa de Energia El trica...
Страница 62: ...LD290 Certifications Information A 8...
Страница 63: ...Appendix A A 9 FM Approvals...
Страница 64: ...LD290 Certifications Information A 10...
Страница 66: ...LD290 Appendix B B 2...
