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100 Series, 741-743, 801, 802
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Flanged Chamber Level Switches
Brochures: Form 912 Mechanical Level Switches
I/O Manuals: Form 425 Electronic Level Switches
Serviceable flanged chamber
Pressure from vacuum to 3000+ psi, temperature from -65°F to 1200°F
Stainless steel switching mechanism for harsh atmospheres
Constructed to ANSI/ASME industry standards
All ASTM materials construction
UL, CSA, ATEX, SAA
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200 Series, 740-803 |
Sealed Chamber Level Switches
Brochures: Form 912 Mechanical Level Switches
I/O Manuals: Form 425 Electronic Level Switches
Low-cost sealed chamber
Pressure from vacuum to 3000+ psi, temperature from -65°F to 1200°F
Stainless steel switching mechanism for harsh atmospheres
Constructed to ANSI/ASME industry standards
All ASTM materials construction
UL, CSA, ATEX, SAA |
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700 Series, 730-750 |
Top Mounted Displacer Switches
Brochures: Form 912 Mechanical Level Switches
I/O Manuals: Form 425 Electronic Level Switches
Available in 1- or 2-stage switching
Narrow and wide differential
Pressure from vacuum to 1000 psi, temperature from -65°F to 450°F
Stainless Steel switching mechanism for harsh atmospheres
All ASTM materials construction
UL, CSA, ATEX, SAA |
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300 Series |
Top Mounted Float Level Switches
Brochures: Form 912 Mechanical Level Switches
I/O Manuals: Form 425 Electronic Level Switches
Available in 1- or 2-stage switching
Pressure from vacuum to 750 psi, temperature from -65°F to 1000°F
Stainless steel switching mechanism for harsh atmospheres
All ASTM materials construction
UL, CSA, ATEX, SAA |
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400 Series
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Side Mounted Level Switches
Brochures: Form 912 Mechanical Level Switches
I/O Manuals: Form 634 SOR Level Switches
Serviceable flanged chamber
Pressure from vacuum to 1250 psi, temperature from -65°F to 450°F
Stainless steel switching mechanism for harsh atmospheres
All ASTM materials construction
UL, CSA, ATEX, SAA |
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108, 208
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Steam Trap Level Switches
Brochures: Form 912 Mechanical Level Switches
I/O Manuals: Form 634 SOR Level Switches
Serviceable flanged or sealed chamber
Pressure from vacuum to 5000 psi, temperature from -65°F to 1200°F
Stainless steel switching mechanism for harsh atmospheres
Constructed to ANSI/ASME industry standards
All ASTM materials construction
UL, CSA, ATEX, SAA |
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1500 Series |
1500 Series Level Switches
Brochures: Form 498 Type 1510 Electric Level Switch, Form 500 Type 1530 Pneumatic Level Switch, Form 1337 Type 1540 Side-Mount Pneumatic Level Switch, Form 850 Type 1550 Vertical Electric Level Switch
I/O Manuals: Form 451 Type 1510 Side-Mount Electric Level Switch, Form 439 Type 1530 Side-Mount Pneumatic Level Switch, Form 1306 Type 1540 Side-Mount Pneumatic Level Switch, Form 865 Type 1550 Top-Mount Electric Level Switch
Economical side- and top-mounted versions available
Pressure from vacuum to 1500 psi, temperature from -40°F to 400°F
All ASTM materials construction
CSA Approved
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1710
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Type 1710 Horizontal Electric Level Switch
Brochures: Form 864 Type 1710 Horizontal Electric Level Switch
I/O Manuals: Form 916 Type 1710 Side-Mount Electric Level Switch
Economical side-mounted version available
pressure to 1000 psi, temperature from -40°F to 400°F
All ASTM materials construction |
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701
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Single Point Ultrasonic Switch
Brochures: Form 1145 Electronic Level Switches
I/O Manuals:
Form 712 Series 701 Ultrasonic Point Level Switch,
Form 841 Two-wire Ultrasonic Point Level Control with Tip-type Sensor
Low cost
No calibration required
Pressure from vacuum to 2000 psi, temperature from -40°F to 250°F
Relay and Current Shift (8/16mA) output available
316SS sensor
FM, CSA |
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721
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Single Point Ultrasonic Switch with Self Test
Brochures: Form 1145 Electronic Level Switches
I/O Manuals:
Form 829 Ultrasonic Point Level Switch (One and Two Point),
Form 771 Two-wire Ultrasonic Point Level Control
No calibration required
Pressure from vacuum to 2000 psi, temperature from -40°F to 250°F
Relay and current shift (8/16mA) output available
316SS sensor
FM, CSA |
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722
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Dual Point Ultrasonic Switch with Self Test
Brochures: Form 1145 Electronic Level Switches
I/O Manuals: Form 829 Ultrasonic Point Level Switch (One and Two Point)
No calibration required
Set points can be linked to provide "pump-logic"
Pressure from vacuum to 2000 psi, temperature from -40°F to 250°F
Relay and current shift (8/16mA) output available
316SS, Alloy 20, and Hastelloy-C sensors
FM, CSA |
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651
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Single Point RF Switch
Brochures: Form 1100 Electronic Level Switches
I/O Manuals:
Form 830 Series S 651 RF Admittance Single Point Level Switch,
Form 759 Series S 651 K9 RF Admittance Two-wire Point Level Control
Low cost
Single-point switch for alarm applications
Pressure from vacuum to 4000 psi, temperature from -40°F to 1000°F
Relay and current shift (8/16mA) output available
A variety of probe configurations are available to meet most application conditions
FM, CSA |
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681 |
Single Point RF Switch with Self Test
Brochures: Form 1100 Electronic Level Switches
I/O Manuals:
Form 924 RF Point Level Control With Sensor Monitor,
Form 925 RF Two-wire Level Control With Sensor Monitor
Adjustable differential feature provides for pump control
Pressure from vacuum to 1500 psi, temperature from -40°F to 350°F
Relay and current shift (8/16mA) output available
A variety of probe configurations are available to meet most application conditions
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660 Series
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Multipoint RF Switch
Brochures: Form 1100 Electronic Level Switches
I/O Manuals: Form 677 Series 660 Multipoint Electronic Level Switch
Up to four points level indication for pump control Adjustable differential feature provides for pump control
Pressure from vacuum to 4000 psi, temperature from -40°F to 350 °F
A variety of probe configurations are available to meet most application conditions
FM, CSA |
