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NIVOCONT R Vibrating Rod Level Switch
Brand: Nivelco Process Control Co.The NIVOCONT R series of vibrating rod level switches are robust instruments designed for low and high level indication of granules and powders with a minimum of 0.05 kg/dm³ (50 oz/ft³) density.
Mounted on tanks, silos or hopper bins it can control filling / emptying, or give fail-safe alarm signals. The highly polished version is recommended to use for abrasive mediums.
The operation principle is based on that the electronic circuit excites the vibration in the rod probe. When the medium reaches and covers the rod vibration stops, when the medium leaves the rod it returns to vibrate freely.
The electronics senses the change of vibration and gives output signal after a selected delay.
Features- Adjustable sensitivity
- Universal supply voltage
- Dust explosion protection
- Fine polished probe
Specifications
Ambient Temperature Range
- -30° to 60° C (-22° to 140° F)
Approvals & Certifications
- ATEX Ex II 1/2 D D A20/A21 IP67 T° C (-30° C ≤ TA ≤ 60° C)
- BKI
- CE 1418
- IECEx - Ex IIIC T Da/Db IP67 (-30° C ≤ TA ≤ 60° C)
BSP Connection
- 1-1/2” BSP Male
Cable Material
- Extended Cable Cover: Polyethylene Cover
Class
- Electrical Protection: Class I
Consumption
- Power: ≤ 2.5 VA / 2 W
Current
- Residual Current (Switched Off): < 10 µA
Electrical Connectors
- M20 x 1.5 Plastic Cable Glands
- Terminal Block, Max.
Electrical Contacts
- Normally Closed
- Normally Open
Electrical Protection
- Output: over Current & Overload Protection
- Output: Overvoltage
Electrical Rating
- Output (SPDT): 8 A at 250 Vac
- Output (SPST): 350 mA at 50 V
Enclosure, Body Material
- Paint Coated Aluminum
- Plastic PBT
Environmental Protection
- IP67
Indication
- Relay Output: Status LED
Length
- Insertion: 1 to 33 feet (0.3 to 3 metres) - Pipe Extended
- Insertion: 3.3 to 65.5 feet (1 to 20 metres) - Cable Extended
- Insertion: 8.15” (207 mm) - Standard
Mounting
- Bottom Mounting - Standard
- Side Mounting - Standard
- Top Mounting - Pipe Extended, Cable Extended
NPT Connection
- 1-1/2” NPT Male
Operation
- Fail-safe
Power Supply
- 20-255 Vac/dc
- 20-50 Vdc
- Ex Typical: 20-250 Vac (50/60 Hz)
Pressure Range
- psig: 0 to 363 (kPa: 0 to 2,500, bar: 0 to 25) - Standard, Pipe Extended
- psig: 0 to 87 (kPa: 0 to 600, bar: 0 to 6) - Max.
Pressure Type
- Gauge
Process Temperature
- -30° to 160° C (-22° to 320° F)
Response Time
- Selectable: < 2 seconds ± 1.5 seconds
- Selectable: 5 seconds ± 1.5 seconds
Switch Type
- SPDT
- SPST
Temperature Range
- -30° to 110° C (-22° to 230° F)
- High Temperature Version: -30° to 160° C (-22° to 320° F)
Torque
- Maximum
Voltage Drop
- Switched on (Electric): < 2.7 V at 350 mA
Wetted Materials
- 316Ti Stainless Steel, 1.4542
- Granules and Powders With min. 0.05 kg/dm³ Bulk Density
- Agriculture
- Construction Materials
- Chemical Industry
- Food and Beverage
- Mining Industry
- Power Plants
- Paper Mill
- Recycling
- Plastic Industry