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Rosemount 2120

Vibrating Fork Level Switch

The Rosemount 2120 is designed using the principle of a tuning fork. A piezo-electric crystal oscillates the forks at their natural frequency. Changes to this frequency are continuously monitored. The frequency of the vibrating fork sensor changes depending on the medium in which it is immersed. The denser the liquid, the lower the frequency. When used as a low level alarm, the liquid in the tank or pipe drains down past the fork, causing a change of natural frequency that is detected by the electronics and switches the output state. When the 2120 is used as a high level alarm, the liquid rises in the tank or pipe, making contact with the fork which then causes the output state to switch.

Order #: 2120DXXV1E5YE0080Q4R2105

Mfg Part #: 2120DXXV1E5YE0080Q4R2105

$1,465.00 USD
 
 

Usually ships in 7-10 days

Free shipping over $250

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Product
Image
NAME, DESCRIPTION
AND ORDER #
Stock
Status
UNIT PRICE QTY
Rosemount 120D0DR1E5YC Rosemount 120D0DR1E5YC

Vibrating Fork Level Switch

Order #: 2120D0DR1E5YC

Usually ships in 7-10 days

$498.00 USD
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Rosemount 2120D0DV1NADA0000 Rosemount 2120D0DV1NADA0000

Vibrating Fork Level Switch

Order #: 2120D0DV1NADA0000

Usually ships in 7-10 days

$521.00 USD
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Rosemount 2120D1DR1E5YA Rosemount 2120D1DR1E5YA

Vibrating Fork Level Switch

Order #: 2120D1DR1E5YA

Usually ships in 7-10 days

$639.00 USD
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Rosemount 2120D0DR1E5YA Rosemount 2120D0DR1E5YA

Vibrating Fork Level Switch

Order #: 2120D0DR1E5YA

Usually ships in 7-10 days

$641.00 USD
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Rosemount 2120D1DV1E5YA0000 Rosemount 2120D1DV1E5YA0000

Vibrating Fork Level Switch

Order #: 2120D1DV1E5YA0000

Usually ships in 7-10 days

$670.00 USD
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Rosemount 2120D0DR1E5YAQ4 Rosemount 2120D0DR1E5YAQ4

Vibrating Fork Level Switch

Order #: 2120D0DR1E5YAQ4

Usually ships in 7-10 days

$716.00 USD
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Rosemount 2120D0DV1E5YA0000 Rosemount 2120D0DV1E5YA0000

Vibrating Fork Level Switch

Order #: 2120D0DV1E5YA0000

Usually ships in 7-10 days

$737.00 USD
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Rosemount 2120D0DR1NADD Rosemount 2120D0DR1NADD

Vibrating Fork Level Switch

Order #: 2120D0DR1NADD

Usually ships in 7-10 days

$897.00 USD
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Rosemount 2120D0DV1NADE0140Q4 Rosemount 2120D0DV1NADE0140Q4

Vibrating Fork Level Switch

Order #: 2120D0DV1NADE0140Q4

Usually ships in 7-10 days

$981.00 USD
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Rosemount 2120D0DR1E5YB Rosemount 2120D0DR1E5YB

Vibrating Fork Level Switch

Order #: 2120D0DR1E5YB

Usually ships in 7-10 days

$987.14 USD
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Overview :

Product Highlights

  • Function virtually unaffected by flow, bubbles, turbulence, foam, vibration, solids content, coating products, liquid properties, and product variations
  • The 2120 is designed for operation in process temperatures from –40 to 302 °F (–40 to 150 °C)
  • A ‘heartbeat' LED indicates its operating state. The LED also flashes when the switch output is ‘off' and is constantly lit when 'on'
  • Adjustable switching delay prevents false switching in turbulent or splashing applications
  • ‘Fast Drip' fork design gives quicker response time, especially with viscous liquids. Rapid wet-to-dry and dry-to-wet time setting for highly responsive switching
  • Fork shape is optimized for hand polishing to meet hygienic requirements
  • Magnetic test point makes functional test easy
  • No moving parts or crevices for virtually no maintenance
  • 316/316L Stainless Steel (1.4401/1.4404) dual certified
  • Customer Specific process connection
  • Relay DPCO 20 to 264 Vac 50/60Hz, 20 to 60 Vdc
  • Standard surface finish
  • FM Explosion-proof
  • Housing: Aluminum Alloy, 3/4-in. ANPT conduits/cable threads
  • Extended Length: Extended, customer specified length in tenths of inches
  • Certificate of functional test