AMBRA SISTEMI -

Features

Local and remote monitoring of cryogenic tank (vertical and horizontal) for level and pressure monitoring
Integrated and patented differential and relative pressure transducers
Large LCD display for level and pressure visualization with backlight activated by low light sensor
Level to % conversion pushbutton (if another unit of measurement is configured) present on the front panel
Minimum level, low pressure and high pressure/high level set-points with additional output switches programmable by user
Low temperature alarm for detecting leakages of cryogenic media
Additional alarm inputs for external switch sensors (e.g. pressure switches)
Repeater signals 4…20 mA or 0…20 mA outputs for level and pressure measures
Output signals for low level, low pressure, high pressure or high level
Proprietary network protocol CRIONet
Programming by rotary encoder with button integrated
Remote programming and reception of update messages through CrioSystemSupervisor platform (MOD-COM modem required)
Easy, fast and inexpensive installation for setup and startup

Technical Specs

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Power supply
24 Vdc ±5 %, max 0.2 A / 230 Vac, max 100mA (optional)

Pressure and level (DRT transducer)
Relative pressure: Range: 0...20 bar (standard); 0...50 bar (optional) Resolution: 0.1 bar Combined error (0...50 °C): < ±0,2 bar Breaking overpressure: 35 bar (80 bar for range 0...50 bar) Differential pressure (level): Range: 0-2 bar Resolution: --- (programmable by user) Combined error (0...50°C): < ±2 % of F.S @ F.S. ≥150 mbar Differential overpressure: ± 4 bar limited by integrated protection system

Pressure and level (DRT transducer)

Relative pressure:
Range: 0...20 bar (standard); 0...50 bar (optional)
Resolution: 0.1 bar
Combined error (0...50 °C): < ±0,2 bar
Breaking overpressure: 35 bar (80 bar for range 0...50 bar)

Differential pressure (level):
Range: 0-2 bar
Resolution: --- (programmable by user)
Combined error (0...50°C): < ±2 % of F.S @ F.S. ≥150 mbar
Differential overpressure: ± 4 bar limited by integrated protection system

Additional alarm inputs
3 digital inputs, 9-48 Vdc, Imax 5 mA, insulation >4 kV

Output signals
2 independent 4...20 mA sourcing outputs for level and pressure, open circuit voltage >16V, maximum load 500 Ω, adjustable range to 0...20 mA or 4...20 mA 3 Polarized output signals, solid state, Vmax 48 Vcc, Imax 100 mA, insulation >4 kV

Visual indications
4 digits LCD display for level H18 mm 4 digits LCD display for pressure H18 mm 3 red led Ø 5 mm for additional alarms 1 yellow led Ø 5 mm for data communication, 1 red led Ø 5 mm for unit fail