910 datasheet(6/8 Pages) MAGNETROL

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Level Switches

When you add-up the features, these all new

single and dual point switches are superior to any

ultrasonic or tuning fork level switch on the market.

Innovative Transducer Design

The tip-sensitive transducers have a pressure

rating (up to 2000 psig, 138 bar) higher than

any other ultrasonic gap or tuning fork level

switch. The dual gap transducer has a unique

flow-through upper gap that allows over 100"

(254 cm) between upper and lower gaps.

Combine these features with powerful pulsed

signal technology for superior performance in

difficult process conditions and you have the most

capable ultrasonic level switch available today.

Advanced Self-Test Technology

New self-test technology not only tests the

electronics, transducer, and piezoelectric crystals,

but also checks for the presence of electromag-

netic noise interference. Should the diagnostic

data indicate a problem with the unit, an alarm

signal alerts the user to the malfunction.

Adjustable Time Delay

Turbulence and splashing can cause many

switches with fixed time response to produce

false level alarms. Model 961/962 switches

overcome this nuisance with an adjustable

time delay. A potentiometer sets a 1⁄2 to 45

second delay to disregard waves or splashes

so the unit reliably detects true liquid level.

CONTROL FUNCTIONS:

• High or Low level alarm

• Pump and Overfill protection

• Single-point 3-A sanitary

• Seal Pot level

OF SPECIAL INTEREST TO:

• Chemical, Petrochemical

• Water and Wastewater

• Food and Pharmaceutical

• Pulp and Paper

• Power Generation

Liquid Level Applications

Model 962

961/962

Engineered Smart

Designed for wiring and

configuration ease, the

ergonomic housing contains

electronics, relays, time

delay potentiometer, push-

buttons for level and for

malfunction alarm testing,

high/low level DIP switch,

and independent/joint

DIP switch (line-powered

Model 961 shown).

Electronics

Transducer

Crystals

Interference

Model 961

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