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DAT-33b-TF-vibrating-fork-level-switch

DAT-33b-TF-vibrating-fork-level-switch

Product catalog summary

Overview
The TF Series Vibrating Fork Level Switch is a robust and versatile device used across various process industries. It features no mechanical moving parts, requires no maintenance, and is simple to install without adjustments. The switch is unaffected by environmental changes, dust clouds, and agitation, making it a low-cost and reliable solution.

Key Features

No mechanical moving parts
No maintenance required
Simple installation
Unaffected by environmental changes
Low cost and versatile

Specifications

Construction: Glass-filled Nylon housing, Aluminium for EEx d
Wetside Materials: 316 Stainless Steel, Hastelloy, or Halar
Safety Integrity Level: SIL2
Electrical Connection: 2 x M20 / ½” NPT / ¾ “ NPT
Extended Length: Up to 3m

Operating Conditions

Process Temperature: -40°C to +150°C
Ambient Temperature: -40°C to +80°C (derated to 50°C if 150°C Wetside)
Process Pressure: -0.25 bar to 100 bar at 50°C
Liquid Specific Gravity: 0.6 to 2.0
Liquid Viscosity: 0.2 to 10,000 cps

Electrical Specifications

Direct load switch: 24 – 264 V AC 50/60Hz or 24 to 60 V DC
PNP: 26 – 60 V DC
Maximum switch load: 500mA
Maximum peak load: 5A

Protection and Approvals

Mechanical Housing: IP 66
Electrical: Reverse polarity and short circuit protected
EMC Directive: EN50081-1 & EN50082-2
Hazardous Area: ATEX II 1GD EEx ia IIC T5, ATEX II 1GD EEx d IIC T5
LV Directive: EN61010

Additional Features

Visual indication of on/off status with a 'PULSE' LED
Mode switch for wet to dry or dry to wet settings
Selectable time delay to prevent false switching
Magnetic test point for functional testing
Compatible with standard NAMUR isolation amplifiers

Catalog excerpts

DAT-33b-TF-vibrating-fork-level-switch-1

TF Series Vibrating Fork Level No mechanical moving parts to wear Simple to install - no adjustments Unaffected by environmental changes Unaffected by dust clouds and PSM Instrumentation Ltd, Unit3 Burrell Road, Haywards Heath, West Sussex, RH16 1TW. UK Subject to change without notice

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DAT-33b-TF-vibrating-fork-level-switch-2

The TF Series Vibrating Fork Level This rugged design of switch is used throughout many process industries. It is available with a wide range of flanged or screwed process connections and can have extensions, enabling the probe to reach 3 metres into a tank if required. The wetted parts of standard switches are 316 stainless steel but special Halar coated and Hastelloy switches are used for extremely corrosive applications and hygienic probes are available for the food industry. The switch has visual indication of its on / off status and a magnetic test point on the side of the housing to allow...

Open the catalog to page 2

DAT-33b-TF-vibrating-fork-level-switch-3

PSM Instrumentation Ltd, Unit3 Burrell Road, Haywards Heath, West Sussex, RH16 1TW. UK Subject to change without notice

Open the catalog to page 3

DAT-33b-TF-vibrating-fork-level-switch-4

T: +44 (0)1444 410040 E: [email protected] www.psmmarine.com GA drawings Standard Standard Extended Extended 90 Flanged Flanged 90 dia 102 90 dia 102 120 142 dia 102 160 40mm A/F hex 126 Cable gland supplied Cable gland supplied 40mm A/F hex E 44 90 dia 102 Cable gland supplied 69 Hygienic Hygienic Cable gland supplied 64 44 dia 23 E dia 23 44 dia 28 dia 28 © PSM INSTRUMENTATION LTD Data Sheet Ref: DAT 33b 21/11/2011 PSM Instrumentation Ltd, Unit 3 Burrell Road, Haywards Heath, West Sussex, RH16 1TW. UK Subject to change without notice

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DAT-33b-TF-vibrating-fork-level-switch

DAT-33b-TF-vibrating-fork-level-switch

Catalog excerpts

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