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8177 Ultrasonic Level Measuring Device
Brand: Burkert Fluid Control Systems
The Type 8177 is a non-contact ultrasonic level measuring device designed for continuous level measurement in open or closed vessels.
The unit is suitable for liquids, but also for solids, in virtually all industries, particularly in water and waste water management.
Features- For level measurement up to 8 meters
- 4-20 mA/HART - 2-Wires
- Suitable for solids
- ATEX certification
1 - 9 of 9 Part Numbers
551 782
- Product - Accessories
- Specifications - Set with 2 Reductions M20 x 1.5 / 1/2” NPT + 2 Neoprene Flat Seals for Cable Gland + 2 Screw-Plugs M20 x 1.5
558 224
- Product - Compact Measuring Device
- Mounting Thread - G 2” Mounting Thread
- Operating Voltage - 14-36 Vdc
- Display - With Display
558 225
- Product - Compact Measuring Device
- Mounting Thread - 2” NPT Mounting Thread
- Operating Voltage - 14-36 Vdc
- Display - With Display
558 226
- Product - Compact Measuring Device
- Mounting Thread - Ex Version - ATEX Certification G 2” Mounting Thread
- Operating Voltage - 14-30 Vdc
- Display - With Display
559 243
- Product - Compact Measuring Device
- Mounting Thread - G 2” Mounting Thread
- Operating Voltage - 14-36 Vdc
- Display - Without Display
559 244
- Product - Compact Measuring Device
- Mounting Thread - 2” NPT Mounting Thread
- Operating Voltage - 14-36 Vdc
- Display - Without Display
559 245
- Product - Compact Measuring Device
- Mounting Thread - Ex Version - ATEX Certification G 2” Mounting Thread
- Operating Voltage - 14-30 Vdc
- Display - Without Display
559 279
- Product - Accessories
- Specifications - Set with a Display/Configuration Module, a Transparent Cover & a Seal Ring
561 006
- Product - Accessories
- Specifications - Set with a Transparent Cover & a Seal Ring
1 - 9 of 9 Part Numbers
Specifications
Adjustment
- > 3 seconds
Ambient Temperature Range
- Conformity Specification: -20° to 41° C (-4° to 105.8° F)
- With Display, Adjustment Elements: -20° to 70° C (-4° to 158° F) (Operation & Storage)
Applications
- Continuous Level Measuring for Fluids & Solids
- Distance Measuring
- Open Basins
- Sludge Container
Approvals & Certifications
- ATEX: EN 50014, EN 50020, EN 50284
- CE
- EEx ia IIC T6
- EU
- NAMUR: NE 21, NE 43
- PTB
BSP Connection
- G 2” Male
Class
- Protection: Class II
Cover Material
- Polycarbonate (PC)
Current
- Fault Signal: < 3.6 mA (Adjustable)
- Fault Signal: 20.5 mA Output Unchanged
- Fault Signal: 22 mA (Adjustable)
Damping Adjustment
- 63 % of the Input Variable: 0 to 999 seconds
Deadband
- Dead Zone: 1.3 feet (0.4 metres)
Display
- LCD in Full Dot Matrix
Electrical Connectors
- Cable Glands M20 x 1.5
Electrical Rating
- Short Circuit Rating: 131 mA
Enclosure, Body Material
- 316L Stainless Steel, 1.4404
- Polybutylene Terephthalate (PBT)
Environmental Protection
- IP66
- IP67
Frequency
- 55 kHz
Humidity
- Operation: 75 % Relative Humidity, Max.
- Storage: 85 % Relative Humidity, Max.
Interval Time
- > 2 seconds
Load Resistance
- 1,000 ohms
Materials of Construction
- Ground Terminal: 316L Stainless Steel 1.4435
- Ground Terminal: 316Ti Stainless Steel 1.4571
Measuring Error
- < 0.2 % or ± 4 mm
Measuring Range
- Liquids: 0.4 to 8 metres
- Solids: 0.4 to 3.5 metres
NPT Connection
- 1/2” NPT Male
- 2” NPT Male
Operating Voltages
- 14-30 Vdc (Ex ia Instrument)
- 14-36 Vdc
- Conformity Specification: 30 V
Output
- 4-20 mA / HART (2-Wire)
Power
- 983 mW
Pressure Range
- bar: -0.2 to 2
- kPa: -20 to 200
- psi: -2.9 to 29.02
Principle of Operation
- Ultrasonic
Process Connection Material
- PVDF
Process Temperature
- -40° to 80° C (-40° to 176° F)
Resolution
- 1 mm, Max.
- 1.6 µA
Ring Material
- Seal Ring: EPDM
Seat / Seal Material
- Process Seal: EPDM
Temperature Coefficient
- 0.06 % / 10K (Average Temperature Coefficient of the Zero Signal - Temperature Error)
Torque
- Torque Mounting Boss: 25 Nm, Max.
Vibration
- Vibration Resistance: Mechanical Vibrations with 4 G at 5 to 100 Hz
Wetted Materials
- Transducer: PVDF
- Continuous Level Measuring for Fluids & Solids
- Open basins
- Distance measuring
- Sludge container