2280 Vibrating Fork Level Switch
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- Maintenance free
- Selectable sensitivity
- Relay or electronic output
The Type 2280 +GF+ Tuning Forks are a vibrating fork level switch suitable for level detection of liquids or granular, powdered solids. Mounted on tanks filling / emptying can be controlled using these devices just as well they can generate fail-safe alarms providing overfill- or dry run protection. The operation principle is based on the electronic circuit exciting the fork probe making it vibrate. As the medium reaches and covers the fork its vibration changes. The electronics senses the change of vibration and gives output signal after a selected delay.
Features of the Signet 2280 vibrating fork level switch include:
- Maintenance free vibrating principle
- Independent of the liquid conductivity, dielectric constant, viscosity, pressure, and temperature
- Selectable sensitivity
- Relay or electronic output
- Temperatures up to 130 degrees
- ATEX and WHG approvals
- IP67, 65/68 protection
Typical Applications:
- River water
- Water/Glycol Solutions
- Potable water
- Demineralized water
- Cooling Water
- Chemicals
Specs
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Product Specification
The Type 2280 +GF+ Tuning Forks are a vibrating fork level switch suitable for level detection of liquids or granular powdered solids.
Specification Detail of the Signet 2280 vibrating fork level switch:
Type
2260-x-xxC-x / 2260-x-xxO-x / 2260-x-xxT-x
Probe Length
69 mm or 125 mm (2.7 in. or 4.9 in.)
Operation mode indicator
Bi-colour LED
Process Temperature
–40 °C to +130 °C (-40 °F to +266 °F)
Process Pressure (absolute)
4 MPa (40 bar) 580 psi
Min Medium Density
≥ 0.7 kg/dm3
Max Medium Viscosity
≤10’000 mm2 /s (cSt)
Housing
Stainless Steel DIN 1.4571/ PBT
Process Pressure (absolute)
0.03 to 0.3 MPa (0.3 to 3 bar)
Ingress Protection
IP 67
Process Connection
1” BSP / NPT
Outputs
AC 9 mA free, 14 mA immersed.
3-wire max. 350mA, <4.5V (on) / 250V AC, 8A AC1
Power Supply
12…55 V DC or 20 / 20 … 255 V AC and 20 … 60 V DC
General Approvals
CE, (Optional – ATEX II 1 G EEx ia IIC T6, IP68,)
