Description
LEO3-700BAR-1/4BSP Digital Manometer with scaleable 4-20mA output, RS485 interface and free Keller software. The LEO3 displays both the current pressure reading and the output signal value. Pressure range 0 to 700 Bar, accuracy of 0.1%. Pressure connection ¼” BSP male connection and IP65 casing. Manometer is loop powered with a 8-28vDC power supply range on the 2 wire 4-20mA output. Units are supplied with a 5 pin Binder mating connector.
Features
- High accuracy
- Insulated and encapsulated piezoresistive pressure sensor
- Licence-free KELLER software available to download
- Analog output signal via RS485 interface and scaleable using buttons (turn-down)
- RS485 bus interface for communication with up to 128 devices
- Wide range of pressure units to choose from
- Zero point calibration via buttons
- Min/max display
- Additional display for the analogue 4-20mA output
- User-defined units of pressure can be configured
Specifications
| Pressure Range | 0 to 700 Bar |
| Over Pressure | 1,200 Bar |
| Display Resolution | 0.2 Bar |
| Units of Pressure Options | Bar, mBar, hPa, kPa, MPa, PSI, kp/cm² |
| Accuracy | ±0.1 %FS (including non-linearity, repeatability and hysteresis) ±0.2 %FS (including compensated pressure and temperature range) |
| Storage/Operating Temperature | -20…70°C / -10…60°C |
| Compensated Temperature Range | 0…50°C |
| Protection | IP65 |
Electrical Specifications
Power Supply: 8-32vDC @ 3.5-22.5mA
Analogue Interface: 4-20mA (Note: unstable when Serial Comms are active)
Digital Interface: RS485
Start-up Time: Less than 300ms after Power Supply On.
LC Display
Digits: 7-Segment 4½ Digit Display
Display Mode: Pressure and Min/Max or Analogue Output Signal
Display Interval: Twice per second
PressureSuite Software
‘PressureSuite Desktop’ Windows software for reading and configuring the LEO 3 manometers. With ‘live data’, a connected device can record directly to the PC. Selected measurement data can be graphically displayed and exported.
Features
- Auto-connection of supported KELLER devices
- Read Recorded data from connected device
- Measure live from a connected device, supports Series 30 devices
- Read/Write configuration from/to a connected device
- Visualise the chosen record(s) in a chart
- Generate a Word document with the selected measurement data chart
- Export the chosen measurement data to an Excel or CSV file
The full range of LEO3 Digital Manometers can be found on the product list below.

