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

Keller remains at the leading edge of the development and innovation of state-of-the-art pressure sensors, transducers, and transmitters. Keller has an annual sensor production, combining OEMs with their own transmitter products, of over 1 million pieces.

Keller is committed to continuing development of existing technologies as well as pioneering innovations that enable them to break into new markets. Full scale ranges from only 4 inches of water Full Scale up to 29,000 PSI are all within the Keller capabilities. Operating temperatures from -55 to 200°C are also possible with Keller.

No matter what your market, Keller can offer a tailored solution.

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Keller LEO Record Digital Manometer
High accuracy and resolution pressure and temperature gauge with record function
$781.00
Keller LEO2 Digital Pressure Gauge
Digital pressure gauge, 0.1% accuracy, micro-processor controlled
$288.00
In Stock
Keller LEO1 Pressure Gauges
Compact digital pressure gauges range from vacuum to 15,000 psi with 0.1% FS accuracy at room temperature
$318.00
In Stock
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
$502.50
In Stock
Keller Pressure Calibrators
Highly accurate, portable pressure calibrators for ranges from vacuum to 700 bar
$1,368.00
Keller Econoline General Purpose Pressure Transmitter
Up to 10,000 PSI pressure transmitter with 1/4in-18NPT male process connection and choice of 4-20mA or 0.5 to 4.5VDC ouput
$155.00
In Stock
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 ouput
$495.00
In Stock
Keller LevelRat Submersible Level Transmitter
Non-fouling level transmitter specifically designed for sewage lift stations for depths up to 100 feet of water
$537.50
Keller LEX1 Digital Pressure Gauge
Micro-processor controlled high precision digital pressure gauge
$872.00
Keller Valueline High Accuracy Pressure Transmitter
Up to 15,000 PSI precision pressure transmitter with choice of 4-20mA, 5VDC, or 10VDC ouput
$330.00
Keller Levelgage Submersible Level Transmitter
Level transmitter submersible to 900 feet of water with choice of 4-20mA, 5VDC, or 10VDC ouput
$337.50
Keller ECO2 Digital Pressure Gauge
Compact and economical digital pressure gauge providing medium accuracy at high resolution and repeatability
$177.00
Digital Pressure Calibrator Kits
Economical hydraulic and pneumatic calibration kits
$1,403.00
In Stock
Keller 35X HTC Pressure Transmitter
Piezoresistive high temperature transmitter for temperatures up to 572°F (300°C)
Call for pricing
Keller LEO5 Digital Pressure Transmitter
High resolution manometer with peak and recording functions, stainless steel housing, pressure ranges up to 1000 bar
$881.00
Keller Nanolevel Submersible Level Transmitter
Low pressure level transmitter submersible to 10 feet of water with RS485 and 4-20mA ouputs
$602.50
Keller 33 X Ed / 35 X Ed Pressure Transmitter
Pressure proof housing for hazardous locations, microcontroller-based electronic evaluation to ensure maximum accuracy
Call for pricing
Keller LEO3 Digital Pressure Transmitter
Micro-processor based transmitter displays both pressure and output signal
$466.00
Keller Microlevel Submersible Level Transmitter
Small diameter level transmitter submersible to 900 feet of water with RS485 and 4-20mA ouputs
$602.50
Keller DCX-18 ECO Level Logger
Autonomous, rechargeable battery powered level loggers for shallow or deep well water logging applications
$395.00
Keller DCX-22 Level Logger
High accuracy, autonomous level loggers with rechargeable battery
$1,050.00
Keller Castello Tank Contents Measurement System
Flexible, modular tank contents measurement system for liquids in ventilated or pressurized tanks
$881.00
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
Call for pricing
Keller 25 HT Pressure Transmitter
Fits 19 mm (3/4”) manifold pressure ports for applications in bio-reactors or autoclaves
Call for pricing
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 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 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
Autonomous, gold-plated ceramic diaphragm, ranges as low as 50 mbar and as high as 300 mbar
Call for pricing
Keller K-114B USB Converter
Interface converter with binder socket 680 / 5-pin, software CD and USB connection cable
$188.00
Keller K-114 USB Converter
Interface converter with screw-type terminal, connections for +Vcc, GND, RS485A, RS485B
$172.00
Keller K-114A USB Converter
Interface converter with Fischer-plug / 5-pin, software CD and USB connection cable
$188.00
Keller 900001.0009 Bellows Assembly
Aneroid bellows attaches to cable vent
$50.00
In Stock
Keller 900001.0002 Drying Tube Assembly
Attaches directly to cable vent tube and intercepts water vapor
$17.00
In Stock
Keller K-107 Serial Converter
Screw type terminal serial converter with transmitter supply from integrated 9V battery or external power supply
$233.00
Keller 1820-28-A3 External Surge Protector
Lightning/surge protection of power supplies, readouts, and PLCs
$112.00
Keller 900001.0034 Termination Enclosure
Allows for mounting a drying tube or bellows assembly
$240.00
Keller 309030.0003 Carrying Case
Soft carrying case (fanny pack) for digital pressure gauges
Call for pricing
In Stock
Keller Protective Rubber Boot
Keller Protective Rubber Boot for ECO1, LEO2 and LEO Record Pressure Gauges
Call for pricing
Keller Protective Rubber Boot
Protective rubber boot for LEO1, LEO3 and LEX1 pressure gauges
Call for pricing
Keller K-101 Serial Cable
2 meter serial cable with 2-pin binder connector
$140.00
Keller K-103A Serial Converter
2 meter cable serial converter to fischer socket
$140.00
Keller K-114M USB Converter
Interface converter with M12 socket / 5-pin, software CD, power supply and USB connection cable
$188.00
Keller 900001.0014 Pressure Test Adapter
Pressure test adapter for the Levelgage and Acculevel
$280.00
Keller 900001.0051 Pressure Test Adapter
Pressure test adapter for the Microlevel
$390.00