Hydrostatic level sensors

• For continuous level measurement in non-pressure tanks, vessels and pipes
• Output: 4...20 mA / 0...10 V
• Measuring range up to 100 m (H2O)
• High long-term stability
• Accuracy: 0,5 % within the total range
• LED indication
• Operating temperature: -20...+70 °C
• Supply: 12...34 VDC
• Protection class: IP67 / IP68

• Suitable for thick and viscous media
• Different materials for optimum media compatibility
• EMC protection class is IEC 61000 (lightning, electrical discharge)
• Range: 0...0,1 bar to 0...6 bar
• Accuracy: +/- 0.3 %
• Output: 4...20 mA
• Ambient temperature: -25°C...+70 °C
• Process temperature: -25°C...+70 °C
• Supply: 9...32 VDC
• Protection class: IP68
• Material: Stainless steel (1.4404 (316L) / 1.4462 (318LN))
• Sensor technology: Thick film on ceramic
• Sensor material: Ceramics, Al2O3 96%
• Cable insulation: PUR / Radox / PE

Hydrostatic pressure transmitter HLM-25S is designed for level measurement in non-aggressive fluids in non-pressure tanks, boring holes, wells. Measuring range is up to 100 m in water. Current or voltage output.

Sensor SKU: 5905309603240

Efento NB-IoT sensors transmit the data over cellular network (Narrowband IoT) and do not require any additional devices (router, gateway, etc.). Sensors are also equipped with Bluetooth Low Energy interface, which allows quick and easy configuration with a smartphone. Efento NB-IoT sensors can be integrated with Efento Cloud platform or any other third party systems.

• Probe cable length: 15 m (0,1…200 m lengths available on request)
• Accuracy: 0,2 % or 0,5 % (FSO)
• Measuring environment: water (well, sea), high temperature liquids (up to 100 °C and corrosive liquids (available upon custom request)
• Communication NB-IoT bands: default B8 and B20 (others on request)
• Measurement period: 5 seconds to 18 hours (configurable by the user)
• Measurement sending interval: 1 minute to 7 days (configurable by the user)
• Battery ensures up to 5 years of maintenance-free operation, 6300 mAh battery
• The device stores 40,000 measurements in its memory, when the memory is full, the oldest measurements are overwritten
• Possibility to integrate sensor to other third-party systems
• Case IP67 protection / Probe enclosure IP68 protection
• Sensor housing material: Stainless Steel (304 SST)