Keller

Keller America Inc is the North American subsidiary of Keller AG Switzerland, a leader in level and pressure sensing. Keller has grown from a manufacturer of inexpensive, miniaturized microprocessors to fully packaged pressure transmitters with Total Error Band performance. Read more...

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Questions? Call one of our engineers at 1-800-884-4967.
Keller Acculevel Submersible Level Transmitter
Keller Acculevel Submersible Level Transmitter
Level transmitter submersible to 900 feet of water with RS485 and choice of 4-20mA, 5VDC, 10VDC or SDI-12 ouput.
Starting at $541.50
Keller LEO Record Digital Manometer
Keller LEO Record Digital Manometer
High accuracy and resolution pressure and temperature gauge with record function.
Some Models in Stock
Starting at $757.00
Keller LevelRat Submersible Level Transmitter
Keller LevelRat Submersible Level Transmitter
Non-fouling level transmitter specifically designed for sewage lift stations for depths up to 100 feet of water.
Some Models in Stock
Starting at $611.50
Keller LEO2 Digital Pressure Gauge
Keller LEO2 Digital Pressure Gauge
Digital pressure gauge, 0.1% accuracy, micro-processor controlled.
Some Models in Stock
Starting at $299.00
Keller Valueline High Accuracy Pressure Transmitter
Keller Valueline High Accuracy Pressure Transmitter
Up to 15,000 PSI precision pressure transmitter with choice of 4-20mA, 5VDC, or 10VDC ouput.
Some Models in Stock
Starting at $400.00
Keller LEO1 Pressure Gauges
Keller LEO1 Pressure Gauges
Compact digital pressure gauges range from vacuum to 15,000 psi with 0.1% FS accuracy at room temperature.
Some Models in Stock
Starting at $334.00
Keller Levelgage Submersible Level Transmitter
Keller Levelgage Submersible Level Transmitter
Level transmitter submersible to 900 feet of water with choice of 4-20mA, 5VDC, or 10VDC ouput.
Some Models in Stock
Starting at $401.50
Keller Preciseline High Accuracy Pressure Transmitter
Keller Preciseline High Accuracy Pressure Transmitter
Up to 15,000 PSI precision pressure transmitter with RS485 and choice of 4-20mA, 5VDC, 10VDC or SDI-12 output.
Starting at $525.00
Keller Pressure Calibrators
Keller Pressure Calibrators
Highly accurate, portable pressure calibrators for ranges from vacuum to 700 bar.
Starting at $1,289.00
Keller Econoline General Purpose Pressure Transmitter
Keller Econoline General Purpose Pressure Transmitter
Up to 10,000 PSI pressure transmitter with 1/4in-18NPT male process connection and 4-20mA output.
Some Models in Stock
Starting at $135.00
Keller Microlevel Submersible Level Transmitter
Keller Microlevel Submersible Level Transmitter
Small diameter level transmitter submersible to 900 feet of water with RS485 and 4-20mA ouputs.
Some Models in Stock
Starting at $711.50
Keller LEX1 Digital Pressure Gauge
Keller LEX1 Digital Pressure Gauge
Micro-processor controlled high precision digital pressure gauge.
Starting at $831.00
Keller ECO2 Digital Pressure Gauge
Keller ECO2 Digital Pressure Gauge
Compact and economical digital pressure gauge providing medium accuracy at high resolution and repeatability.
Starting at $178.00
Keller LEO5 Digital Pressure Transmitter
Keller LEO5 Digital Pressure Transmitter
High resolution manometer with peak and recording functions, stainless steel housing, pressure ranges up to 1000 bar.
Starting at $859.00
Keller 33 X Ed / 35 X Ed Pressure Transmitter
Keller 33 X Ed / 35 X Ed Pressure Transmitter
Pressure proof housing for hazardous locations, microcontroller-based electronic evaluation to ensure maximum accuracy.
Select options for pricing
Keller LEO3 Digital Pressure Transmitter
Keller LEO3 Digital Pressure Transmitter
Micro-processor based transmitter displays both pressure and output signal.
Starting at $519.00
Keller Nanolevel Submersible Level Transmitter
Keller Nanolevel Submersible Level Transmitter
Low pressure level transmitter submersible to 10 feet of water with RS485 and 4-20mA ouputs.
Starting at $783.25
Keller 35X HTC Pressure Transmitter
Keller 35X HTC Pressure Transmitter
Piezoresistive high temperature transmitter for temperatures up to 572°F (300°C).
Select options for pricing
Keller Digital Pressure Calibrator Kits
Keller Digital Pressure Calibrator Kits
Economical hydraulic and pneumatic calibration kits.
Some Models in Stock
Starting at $1,500.00
Keller 35X HT / 35X HTT Pressure Transmitters
Keller 35X HT / 35X HTT Pressure Transmitters
Piezoresistive pressure transmitter for applications in bio-reactors or autoclaves, pressure ranges of -1 up to 30 bar.
Select options for pricing
Keller 23 Ed / 25 Ed Pressure Transmitters
Keller 23 Ed / 25 Ed Pressure Transmitters
Piezoresistive pressure transmitters with pressure proof housing are approved for use in explosion risk areas of group II.
Call for pricing
Keller Series M5 Pressure Transducer
Keller Series M5 Pressure Transducer
Pressure ranges up to 30 bar absolute, M5 x 0.5 fine thread pressure connection, up to 50 kHz bandwidth.
Starting at $1,214.00
Keller Series M5 HB Pressure Transmitter
Keller Series M5 HB Pressure Transmitter
Pressure ranges up to 30 bar absolute, up to 50 kHz bandwidth, insensitive to shock and vibration, compact design.
Select options for pricing
Keller Castello Tank Contents Measurement System
Keller Castello Tank Contents Measurement System
Flexible, modular tank contents measurement system for liquids in ventilated or pressurized tanks.
Call for pricing
Keller DCX-22 Level Logger
Keller DCX-22 Level Logger
High accuracy, autonomous level loggers with rechargeable battery.
Starting at $794.00
Keller DCX-16 Level Logger
Keller DCX-16 Level Logger
Autonomous, battery powered level logger, designed to record water depth (pressure) and temperature over long periods.
Call for pricing
Keller DCX-38 VG Level Logger
Keller DCX-38 VG Level Logger
Autonomous, gold-plated ceramic diaphragm, ranges as low as 50 mbar and as high as 300 mbar.
Call for pricing
Keller DCX-25 PVDF Autonomous Data Logger
Keller DCX-25 PVDF Autonomous Data Logger
Autonomous, rechargeable battery powered level loggers are designed for water depth and temperature over long periods.
Call for pricing
Keller 900001.0009 Bellows Assembly
Keller 900001.0009 Bellows Assembly
Aneroid bellows attaches to cable vent, alternative to the drying tube.
In Stock
$45.00
Keller K-114A USB Converter
Keller K-114A USB Converter
Interface converter with Fischer-plug / 5-pin, software CD and USB connection cable.
$179.00
Keller 900001.0002 Drying Tube Assembly
Keller 900001.0002 Drying Tube Assembly
Attaches directly to cable vent tube and intercepts water vapor.
In Stock
$28.50
Keller K-114B USB Converter
Keller K-114B USB Converter
Interface converter with binder socket 680 / 5-pin, software CD and USB connection cable.
$185.00
Keller K-114 USB Converter
Keller K-114 USB Converter
Interface converter with screw-type terminal, connections for +Vcc, GND, RS485A, RS485B.
In Stock
$170.00
Keller 900001.0034 Termination Enclosure
Keller 900001.0034 Termination Enclosure
NEMA 4X clear front enclosure with liquid-tight cable fittings & a terminal strip, allows for mounting a drying tube or bellows assembly.
In Stock
$240.00
Keller HU02216001 Cable Hanger
Keller HU02216001 Cable Hanger
In Stock
$30.50
Keller 1820-28-A3 External Surge Protector
Keller 1820-28-A3 External Surge Protector
Lightning/surge protection of power supplies, readouts, and PLCs.
In Stock
$149.00
Keller K-103A Serial Converter
Keller K-103A Serial Converter
2 meter cable serial converter to fischer socket.
$141.00
Keller K-107 Serial Converter
Keller K-107 Serial Converter
Screw type terminal serial converter with transmitter supply from integrated 9V battery or external power supply.
$236.00
Keller 309030.0003 Carrying Case
Keller 309030.0003 Carrying Case
Soft carrying case (fanny pack) for digital pressure gauges.
Call for pricing
Keller 900001.0033 Stabilizing Weight
Keller 900001.0033 Stabilizing Weight
Zinc prop shaft anode .
In Stock
$28.00
Keller 900001.0014 Pressure Test Adapter
Keller 900001.0014 Pressure Test Adapter
Pressure test adapter for the Levelgage and Acculevel.
$280.00
Keller Protective Rubber Boot
Keller Protective Rubber Boot
Keller Protective Rubber Boot for ECO1, LEO2 and LEO Record Pressure Gauges.
$15.00
Keller 900001.0100 Protective Spacer
Keller 900001.0100 Protective Spacer
Additional stability and protection for use with LevelRat submersible level transmitter in wastewater installations.
$175.00
Keller Protective Rubber Boot
Keller Protective Rubber Boot
Protective rubber boot for LEO1, LEO3 and LEX1 pressure gauges.
$16.00
Keller K-114M USB Converter
Keller K-114M USB Converter
Interface converter with M12 socket / 5-pin, software CD, power supply and USB connection cable.
Starting at $182.00
Keller Sour Gas Trap
Keller Sour Gas Trap
Effectively prevents any H2S vapor from migrating down the atmospheric vent of the level transmitter.
$26.00
Keller 900001.0051 Pressure Test Adapter
Keller 900001.0051 Pressure Test Adapter
Pressure test adapter for the Microlevel.
$390.00