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INTRODUCTION Proximity Controls was started in 1965 out of a garage in Fergus Falls, MN. The first product line was the Ultra-MagTM Series of diaphragm level controls. The Ultra-MagTM offers a unique and patented magnetic drive that seals the switch compartment. Building on their experience with magnetic drives, Proximity expanded into position indicators in 1977 with the invention of the Mark Series. Like the Ultra-MagTM, the Mark Series offers a patented magnetic drive that completely seals the switch compartment. Proximity Controls was acquired in 1989 by Dwyer Instruments of Michigan...

CUSTOMER SERVICE FRIENDLY AND FAST REAL PEOPLE Courteous and professional customer service representatives are available via phone and email to process and provide assistance with your order. Dwyer provides industry leading response time to answer your call quickly without making you wait. PRICING Contact us for formal quotes, Dwyer offers bids and project quotes. Discounts are available for particular customer types based on quantities purchased. PRODUCT DELIVERY PROMPT AND ACCURATE LARGE INVENTORY LOCATED CENTRALLY IN THE U.S. Dwyer is committed to get you your order quickly with more...

Dwyer Instruments, Inc. - Discount Schedule Dwyer Instruments, Inc. - Standard Terms and Conditions of Sale 1. Prices and Specifications are subject to change without notice. 2. Shipping dates are approximate. They are dependent upon credit approval and subject to delays beyond our control. 3. Terms: Net 30 days to companies with established credit rating. In the event Buyer fails to fulfill previous terms of payment, or in case Seller shall have any doubt at any time as to Buyer’s financial responsibility, Seller may decline to make further deliveries except upon receipt of cash in advance...

MARK SERIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-12 OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6 MARK 1, ROTARY POSITION INDICATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 MARK 3, ROTARY POSITION INDICATOR . . . . . . . . . . . . . . ....

Position Indicators/Switches/ Transmitters The Proximity™ Mark Series is a line of position indicators with a selection of various output options. Three model styles make up the Mark series to cover almost any application. Standard models in the Mark Series have visual position indicators and are weatherproof, explosion-proof, and submersible. A large variety of outputs are available to fit specific applications. There is a choice of 1 to 6 switch outputs of 16 varieties including inductive sensors, high temperature switches, gold contact switches, hermetically sealed switches, and high...

POSITION INDICATORS/SWITCHES/TRANSMITTERS Series Mark Position Indicators/Switches/ Transmitters ® HART Communications • Available on Mark 1, 3, and 4 model indicators • 4 to 20 mA analog position transmitter with HART® communications • HART® features include: • Digital indication of position • 4 digital programmable position switches • Calibration of zero and span at the device from pushbuttons or through HART® master • Indication of sensor failure, programmable to 3.8 or 21 mA • Programmable dampening • Self test Junction Package Complete factory assembled packages combine visual...

Rotary Position Indicator Magnetically Coupled Switches and Transmitters Ideal for Corrosive Environments 5-5/16 POSITION INDICATORS/SWITCHES/TRANSMITTERS 01/8 [3.18] PIN TYP 2 PLACES '1/2 NPT CONDUIT CONNECTION (OPTIONAL) OR OPTIONAL M20 2 PLACES -1/4-20 UNC THREAD X 7/16 [11.11] DP TYP 2 PLACES BENEFITS • The switch compartment is completely isolated from atmosphere. • A magnetic coupling completely seals the switch compartment for maximum hazard and leak protection, (IP68 and submersible to 50 feet indefinitely). • Set screw cams provide infinite adjustment, and user-friendly manual cams...

Rotary Position Indicator Multi-Turn Switches and Transmitters Ideal for Corrosive Environments © ® El £ £ CLEARANCE REQUIRED FOR COVER REMOVAL DIRECT DRIVE 3/4 NPT CONDUIT CONNECTION OR OPTIONAL M25 01/8 [3.18] PIN TYP 2 PLACES '1/2 NPT CONDUIT CONNECTION (OPTIONAL) OR OPTIONAL M20 2 PLACES BENEFITS • The switch compartment is completely isolated from atmosphere. • A magnetic coupling completely seals the switch compartment for maximum hazard and leak protection, (IP68 and submersible to 50 feet indefinitely). • Switch signals are provided between 1 and 25 revolutions. Transmitter output...

Rotary Position Indicator Thru-Shaft Switches and Transmitters Ideal for Corrosive Environments [115.89] | POSITION INDICATORS/SWITCHES/TRANSMITTERS 01/8 [3.18] PIN TYP 2 PLACES 1/2 NPT CONDUIT CONNECTION (OPTIONAL) OR OPTIONAL M20 2 PLACES -1/4-20 UNC THREAD X 7/16 [11.11] DP TYP 2 PLACES BENEFITS • A shaft through a 1" bushing and O-ring seals the switch compartment for hazard, corrosion and leak protection, (IP68 submersible). • Set screw cams provide infinite adjustment, and user-friendly manual cams provide single-step rotational adjustment and locking set screw. • Flexible design...

POSITION INDICATORS/SWITCHES/TRANSMITTERS Series Mark Position Indicators/Switches/ Transmitters The Proximity™ Mark Series is a line of position indicators with a selection of various output options. Three model styles make up the Mark series to cover almost any application. Standard models in the Mark Series have visual position indicators and are weatherproof, explosion-proof, and submersible. A large variety of outputs are available to fit specific applications. There is a choice of 1 to 6 switch outputs of 14 varieties including inductive sensors, high temperature switches, gold...