KELLER Pressure Japan Product Lineup

The KELLER Pressure LEO Ultimate is a high-precision digital pressure gauge that combines the latest piezoresistive measurement technology with advanced analytical capabilities. It achieves excellent measurement accuracy of up to ±0.01% FS, meeting the high demands in calibration, industrial applications, and service fields. It supports measurements of both absolute pressure and gauge pressure. With a built-in barometer, it does not require additional sensors and allows for easy switching between the two pressure modes at any time. It flexibly accommodates a wide range of measurement applications, providing maximum operability. 【Features】 - Capable of measuring both absolute and gauge pressure with one device: two pressure modes can be used with a simple switch. - High accuracy and excellent long-term stability: up to ±0.01% FS accuracy. - Diverse measurement modes: minimum/maximum, leak, rate, peak, alarm functions. - Large-capacity data logger: records up to 800,000 measurement data points. - Freely configurable measurement intervals: high-speed sampling up to 50 times per second. - USB-C and Bluetooth interfaces: easy setup and efficient data management. - Large backlit display: intuitive confirmation of measurement values with bar graph display. - Robust IP67 compliant housing.

Keller's digital pressure gauges offer a variety of models, combining high-precision measurement performance, robust design, and practical features. 【Outstanding Accuracy】 Each model achieves optimal accuracy and high reproducibility. They are suitable not only for high-precision reference applications but also for various measurement tasks in industrial maintenance, inspection, and service. 【Excellent Long-term Stability】 Keller's piezoresistive measurement technology ensures excellent long-term stability, providing reliable measurement results over many years. With a robust structure, high pressure resistance, and proven sensor technology, they can be used confidently even in harsh measurement environments. 【High Compatibility】 They support a variety of pressure connections, pressure units, and digital communication interfaces, allowing for a wide range of applications when used with software. You can select the optimal model based on the measurement target, usage environment, and connection conditions with existing equipment, enabling flexible integration into various systems. 【Calibration Certificates and Test Reports】 Keller conducts pressure and temperature calibration for all pressure gauges. The calibration certificate included with the product details high accuracy and low error ranges across the specified temperature range, objectively demonstrating measurement performance.

The high-precision digital pressure gauge LEX1 is suitable for use in calibration and testing applications. The minimum/maximum values can be displayed simultaneously with the current pressure value, and multiple pressure units can be selected. The power supply is a standard CR2430 battery (included). 【Features】 〇 High precision 0.05 %FS (optional: 0.01 %FS, consultation required) 〇 Piezo-resistive pressure sensor 〇 RS485 communication allows connection of up to 128 sensors to a BUS system 〇 Battery life of 2000 hours with continuous use 〇 Can also be used with an external power supply 〇 Downloadable license-free/free KELLER Pressure software 〇 Option: Intrinsically safe explosion-proof type (LEX-Ei) 【Functions】 〇 Various pressure units can be selected (bar, mbar, hPa, kPa, MPa, PSI, kp/cm2, etc.) 〇 Zero point calibration via button 〇 Automatic shutdown 〇 Maximum/minimum value display 〇 User-defined pressure units 〇 Digital calibration (zero point, full scale point)

The digital manometer LEO1 can record high-speed pressure peaks with a measurement interval of 1000 times per second in addition to standard measurements. The minimum/maximum values can be displayed simultaneously with the current pressure value, and the pressure units can be selected from multiple options. The power supply is a standard CR2430 battery (included). 【Features】 〇 High precision of ±0.1FS 〇 Piezo-resistive pressure sensor 〇 Battery life of up to 1000 hours 〇 Capable of high-speed pressure peak detection 〇 Available in intrinsically safe explosion-proof type (LEO1-Ei) 【Functions】 〇 Selectable pressure units (bar, mbar, hPa, kPa, MPa, PSI, kp/cm2) 〇 Zero point calibration via button 〇 Automatic shutdown 〇 Minimum/maximum value display 〇 Switching between standard measurement mode (2 Hz) and high-speed measurement mode 〇 High-speed measurement mode is ≥ 1 kHz

The compact digital pressure gauge LEO2 offers high precision measurements at a reasonable price. The minimum/maximum values can be displayed simultaneously with the current pressure value, and multiple pressure units can be selected. It can be mounted in your desired position using a swivel adapter. The power supply uses a standard CR2430 battery (included). An intrinsically safe explosion-proof type is also available. 【Features】 〇 High precision: ±0.1%FS 〇 Various pressure units available (bar, mbar, hPa, kPa, MPa, PSI, kg/cm2) 〇 Zero point calibration via button 〇 Automatic shutdown 〇 Minimum/maximum value display 〇 Compact design 〇 Battery life up to 1000 hours 〇 Intrinsically safe explosion-proof type available (LEO2-Ei)

The digital pressure gauge LEO3 outputs the pressure value as an analog signal for display. With an RS485 interface, it can be integrated into a BUS system and communicate with a computer. Current measurements of 4-20 mA are displayed simultaneously with the pressure value. Minimum and maximum values can be displayed with just a button operation. Power is supplied directly through the 4-20 mA circuit. 【Main Features】 - Various pressure units can be selected (e.g., bar, hPa, kPa, MPa, etc.) - Zero point calibration via button - Minimum/maximum value display - Analog 4-20 mA output - High accuracy: ±0.1% FS @ 20-25℃ - Power supply voltage: 8-32 VDC - RS485 digital signals are also output, allowing connection to a PC (license-free/free software is also available).

The digital pressure gauge LEO5 consolidates the wide range of features of Keller pressure gauges into a waterproof stainless steel housing. It can detect pressure peaks at measurement intervals of ≥ 1 kHz and record all measurement values. Current measurements and stored data can be read via a USB connection. Pressure values are displayed clearly on a large display, with multiple units available for selection. Display settings can be pre-programmed or specified by the user. 【Features】 〇 High accuracy of ±0.05% FS 〇 Built-in piezoresistive pressure sensor 〇 Waterproof stainless housing and safety glass 〇 Excellent visibility with a 5-digit LCD display 〇 Rechargeable built-in battery (USB charging) 〇 License-free/free dedicated software 【Functions】 〇 High-resolution pressure measurement 〇 1 kHz peak detection function 〇 Data logger 〇 Capacitive touch keys 〇 Bar graph display 〇 Temperature display 〇 Minimum/maximum value display

The high-precision digital pressure gauge LEO Record can record pressure and temperature for extended periods thanks to its memory function. The data logger can be connected to a computer via an RS485 interface for reading the recorded data. The current pressure value can be displayed in multiple pressure units. It is powered by a 3.6V lithium battery. An intrinsically safe explosion-proof type is also available. 【Features】 - Can record pressure and temperature for long periods - High precision (±0.05%FS @ 20–25 °C) - Ultra-low power consumption, long battery life - Can display in various pressure units (bar, mbar, hPa, kPa, MPa, PSI, kg/cm2, cmH2O, mH2O, etc.) - Zero point calibration via button - Intrinsically safe explosion-proof type available

The high-precision digital pressure gauge LEO Record H2 is a digital pressure gauge that can record pressure and temperature over long periods. By increasing the nickel content in stainless steel, it ensures a low embrittlement rate and a long service life. Additionally, the gold-plated diaphragm minimizes the diffusion of H2. With the RS485 interface, the pressure gauge can be easily connected to a PC for settings and data retrieval. Its high accuracy and safety allow the LEO Record H2 to meet the requirements for measuring instruments in the hydrogen field. 【Features】 • Use of stainless steel with increased nickel content to counter hydrogen embrittlement • Gold-plated diaphragm to minimize hydrogen diffusion • Records pressure and temperature • High data security with non-volatile memory • Ultra-low power consumption / long battery life • Various pressure units selectable (bar, mbar, hPa, kPa, MPa, PSI, kg/cm2, etc.) • Zero point calibration via button • Recording function can be manually started and stopped • Various recording function settings available • Available in intrinsically safe explosion-proof type (LEO-Record-Ei-H2)

The compact digital pressure gauge ECO2 is affordable yet offers excellent resolution. The minimum/maximum values can be displayed simultaneously with the current pressure value, and the pressure units can be selected from multiple options. It can be installed in the desired position using a swivel adapter. The power supply is a standard CR2430 battery (included). 【Features】 〇 Accuracy 0.5 %FS 〇 Compact size 〇 Piezo-resistive pressure sensor 〇 Battery life of up to 1000 hours 〇 Available in intrinsically safe explosion-proof type (ECO2-Ei) 【Functions】 〇 Selectable pressure units (bar, mbar, hPa, kPa, MPa, PSI, kp/cm2) 〇 Zero point calibration via button 〇 Automatic shutdown 〇 Minimum/maximum value display

The K-114 series converter is an interface converter for communicating between Keller devices (such as pressure sensors and level gauges) equipped with RS485 communication and a PC via USB. 【Features】 〇 RS485 (Keller device side) ⇔ USB communication (half-duplex communication) 〇 Power supply to connected devices from the PC 〇 Easy connection to devices and PC using the included cable 〇 Dedicated software is available in Japanese, license-free, and provided at no cost * K-114 series K-114, K-114-A, K-114-B, K-114-M, K-114-V