The 304B Level-Tek is a self-contained, RF capacitance actuated, on/off control instrument for detecting predetermined product level changes.

The 310 Level-Tek is a remotely mounted, RF capacitance sensing, on/off control and display instrument.

The 318A Level-Tek is a special bridge-type, on/off, all solid state RF control instrument.

The 5100 Level-Lance is a microprocessor-based, advanced technology, on/off level detection instrument.

Micro-Processor based RF Level control

The 314B Duplex Level-Tek is an all solid state RF control instrument providing on/off control with two independently adjustable set points, each with its own output control relay.

The 5400A Level-Lance is a microprocessor-based on/off level control system that provides economical 1 to 4 point control using only one sensing element.

The 352 Conductivity Switch is an on/off control unit that is completely self-contained and activates when reaching the calibrated setpoint on the probe.

Features include:

On/off, solid state RF point level control

Field selectable high or low level failsafe

DPDT 5 amp alarm relay

NEMA 4 and explosion-proof enclosure

The 740A/C-A (bare) or 740A/C-B (Teflon insulated) is a medium pressure, general purpose, rigid probe for level measurement involving liquids or dry materials.

The 729A flexible probe is a general purpose probe designed for use in applications where non-rigid probes are either required or desired.

The 750 is an economical, low pressure, general purpose, rigid probe for level measurement involving liquids or dry materials.

The 728B capacitance probe is designed for heavy duty service wherever a rugged probe is required.

The 738A ceramic-insulated, rigid probe is designed for use with Robertshaw capacitance-type level and bulk measuring instruments. It is offered for use in special and corrosive material measurement applications involving high temperature and pressure conditions.

These 150KB285 (rigid) or 150KB284 (flexible) bare, non-insulated probes are for extremely high pressure/temperature applications. The flexible probe is designed for use where long probe lengths are required.

The 741A/C is a general purpose, high gain, rigid probe for use with lower dielectric materials or where increased sensitivity/gain is needed.

The 727A high pressure, high temperature, “shortstop” probe is designed for use in applications where product build-up or conductive coatings typically cause erroneous control actions.

The 732A “shortstop” probe is designed for those tricky and difficult applications where conductive coatings or product build-up typically cause erroneous control action.

The 739B sanitary, flanged probes are for use in applications where ease of cleaning and/or removal are a requirement.

The 736B probe is available in both a general and heavy duty design, each with a Teflon-faced flange for highly corrosive applications.

The 702A rigid probe allows installation of a bent probe in cases where internal vessel obstacles would otherwise interfere and prevent the use of a standard one-piece gland probe.

Robertshaw control valve

Robertshaw control valves  Reliable control valves Robertshaw control valves are built to be rugged and reliable in light industrial applications. Their versatile and proven designs are widely used by process industries, manufacturers, utilities and the military
Robertshaw Model VC-210     The Mini-Max VC-210 valves, noted for their bellows-sealed stems, are built with stainless steel investment castings and are specially designed for the control of water, steam, gas and vacuum.         Robertshaw Model VC-210 B     Compact, constructed for rugged environments and designed for control of water, gas, vacuum and more. This is the economical brass version of the VC-210 valve series.         Robertshaw Models VC-230A and VC231A     The VC-230A and VC-231A are spring-opposed diaphragm actuators. They are designed to provide dependable on/off or throttling operation of control valves.

Robertshaw pneumatic control

Tried and True Control System Components

For reliable protection, companies have been depending on Robertshaw pneumatic control system components for years. Our versatile line of pneumatic components include temperature sensors, pressure sensors and relays, temperature regulators, fuel gas/starting air valves and engine saftey controls

Pneumatic relays

Robertshaw offers a selection of dependable pneumatic controls for a wide variety of applications. Each model offers unsurpassed quality and protection

Indicating Ralays
Robertshaw Model 82059     The 82059 is a receiver indicator relay that is used to indicate safe or unsafe conditions of a measured variable. It exhausts actuating pressure from a control system when this variable exceeds its set point.
Logic Relays
Robertshaw Model 83939     The 83939 logic relays are two-position, three-ported, and three-way. They can be manually or manually/pneumatically actuated. These multi-function, field-selectable logic relays are the basic building blocks for pneumatic logic circuits.
Ratio Relays
Robertshaw CR100 Series     The CR100 series ratio relays comprise a group of proportioning units designed for use in industrial pneumatic control systems where the application requires amplifying the volume of control air in a predetermined ratio.

Robertshaw Vibration Control

Robertshaw  Dependable vibration switches and monitors

Robertshaw vibration switches and monitors minimize production shut down time and repair costs by measuring the total accelerated force (shock) present on a machine. Individual acceleration measurements are summed to yield the total destructive force acting on a machine. This information enables you to proactively and stategically maintain equipment. Our vibration models range from the standard traditional to new technologically enhanced models. All provide unsurpassed dependability

Vibraswitch  Malfunction Detectors Robertshaw Vibration Switches and Monitors protect machinery against unnecessary shut down and repair costs, so businesses can maximize their productivity. Our wide variety of models can meet any protection need
Robertshaw Model 368     The 368 pneumatically operated Vibraswitch constitutes the most effective known method of avoiding costly damage due to mechanical malfunction of rotating and reciprocating machinery where air is the operating control medium.         Robertshaw EURO366   The EURO366 Vibraswitch malfunction detector provides maximum protection from rotating and reciprocating of large motors, pumps or compressors. It is intended for indoor or outdoor use in hazardous or non-hazardous areas with ATEX and CE certifications.       Robertshaw EURO366G   The EURO366G Vibraswitch malfunction detector provides maximum protection from rotating and reciprocating of large motors, pumps or compressors. It is intended for indoor or outdoor use in hazardous or non-hazardous areas with ATEX and CE certifications.       Robertshaw Models 365A and 366     The 365A and 366 Vibraswitch malfunction detectors provide maximum protection for large motors, pumps, compressors and other rotating or reciprocating equipment by responding to mechanical malfunctions the instant they occur. The 365A is UL and c-UL certified Explosion-proof, and Type 4/4X & IP66 Weatherproof, E365A is ATEX certified,. The 366 is NEMA 4 and CSA certified.         Robertshaw Models 375A and 376A     The 375A and 376A Vibraswitches are identical to the 365/366 models, except that they incorporate built-in electronic starting, monitoring or combination starting and monitoring time delay circuits. The 375A is FM approved. The 376A has a NEMA 4 enclosure. Both require 120 VAC power

 Robertshaw   Vibration Controls / Velocity Acceleration Monitor

Model 566

The 566 velocity acceleration vibration monitor employs totally solid state circuitry. Sensing mode, whether velocity or acceleration, is field selectable without loss of accuracy

 Other features include:

Optional internal or remote mounted

sensor

Velocity: 0 to1.5 in./sec or 0 to 3 in./sec

Acceleration: 0G to 5G or 0G to 10G

Output 4-20 mADC

Two adjustable trip points

Two solid state triax, NC or NO

(2 amp at 120/240 VAC)

Adjustable monitor time delay for

one set point

LED set point indicators

FM/CSA certified, NEMA 4 and

explosion-proof enclosure

Robertshaw   Vibration Controls / Vibraswitch monitor

Model 563A

The 563A Vibraswitch monitor is a microprocessor-based supervisory control system designed for use with Robertshaw model 365 or 366 Vibraswitch malfunction detectors

Other features include:

Monitors up to eight 365 or 366

Vibraswitches

Adjustable start delay, 0 to 999 seconds

Adjustable monitor delay, 0 to 99 seconds

NEMA 4 or explosion-proof enclosures

Eight LED indicators

5 amp SPDT alarm/shut down contacts

Integral manual reset push button

Optional remote reset PB and/or alarm

indicators

Optional 120 or 240 VAC, or 24 or 48 VDC

power

Robertshaw   Vibration Controls

Robertshaw stud mount vibration transmitters

Robertshaw stud mount vibration transmitters protect your rotating or reciprocating machinery from excessive vibration and tell you when preventative maintenance is needed. These compact units provide continuous monitoring of machine vibration for trending, alarm and shutdown, keeping you constantly informed of machinery condition

Model 570B     The 570B loop-powered, stud mount, vibration transmitter provides a 4-20 mADC output proportionate to vibration. This unit, known for its compact size, has a two-pin connector that mates with a splash-proof connector/cable assembly.         Model 571A     The 571A loop-powered, stud mount, vibration transmitter provides a 4-20 mADC output proportionate to vibration. This unit measures acceleration or velocity in three different ranges and is reverse polarity protected. It is compact in size and a 1/4-28 tapped hole and stud are provided for mounting. The two-pin connector mates with a standard MIL-C-5015 two-socket connector with a boot that provides weatherproof and splash-proof connection   Cross index to new Vibraswitch Models:     Vibraswitch Model Enclosure Range Contacts Replace With   61A – S – R Black anodized aluminum alloy 0 – 2G SPDT 366 – A8   61B – S – R Black anodized aluminum alloy 0 – 2G SCNC 366 – D8   61C – S – R Black anodized aluminum alloy 0 – 2G SCNO 366 – D8   61A – OT – R Oil tight 0 – 2G SPDT 366 – A8   61B – OT – R Oil tight 0 – 2G SCNC 366 – D8   61C – OT – R Oil tight 0 – 2G SCNO 366 – D8   61A – EP Explosion-proof 0 – 2G SPDT 365 – A8   61B – EP Explosion-proof 0 – 2G SCNC 365 – D8   61C – EP Explosion-proof 0 – 2G SCNO 365 – D8   65A – EP – ( ) – ( ) Explosion-proof 0 – 4.5G SPDT 365 – A( )   65A – EP – 6 Explosion-proof 0 – 4.5G SPDT NONE   65A – EP – 12 Explosion-proof 0 – 4.5G SPDT NONE   65A – EP – 24 Explosion-proof 0 – 4.5G SPDT 365 – A2   65A – EP – 48 Explosion-proof 0 – 4.5G SPDT 365 – A4   65A – EP – 115 Explosion-proof 0 – 4.5G SPDT 365 – A8   65A – EP – ( ) – LS Explosion-proof 0 – 2G SPDT 365 – A (2,4,8)   66A – WT – ( ) Weather-tight 0 – 4.5G SPDT 366 – A( )   66A – WT – 6 Weather-tight 0 – 4.5G SPDT NONE   66A – WT – 12 Weather-tight 0 – 4.5G SPDT NONE   66A – WT – 24 Weather-tight 0 – 4.5G SPDT 366 – A2   66A – WT – 48 Weather-tight 0 – 4.5G SPDT 366 – A4   66A – WT – 115 Weather-tight 0 – 4.5G SPDT 366 – A8   68 Weather-tight, pneumatic 0 – 4.5G Pneu. 368 – R   361 Explosion-proof 0 – 4.5G SPDT 365 – A8     Monitor Model Supply Power General Description Max No. Of V/S Replace With   561 AC Start & monitor time 5 563   562 Pneumatic Start & monitor time 5 None   565 AC 2-speed start & monitor time 1 None   631 AC Start time delay only 1 563A   632 DC Start time delay only 1 563A   633 AC Start time delay only 5 563A   634 DC Start time delay only 5 563A   641 AC Monitor time delay only 1 563A   642 DC Monitor time delay 1 563A   643 AC Monitor time delay 5 563A   651 AC Start & monitor time 1 563A   652 DC Start & monitor time 5 563A   653 AC Start & monitor time 5 563A     Monitor Model Supply Power General Description Replace With   367 AC Vibration Monitor with up to 6 accelerometer pick ups and up to 2 alarms. Vibration Range of 0 to 50G None   190 18-40 VDC 2 wire Acceleration to Current Transducer,  0 to 2G, 0 to 10G, 4-20 mADC output No direct replacement. Consider Model 570B-A or 570B-B