NANO Electronic Unit Specification

Single Point Steam / Water Level Detection SMPS power supply Economic float level replacement Relay output and LED indication Fault relay output Adjustable time delay on output IP65 enclosure   Full specification

The NANO unit is designed as a single point switch. It is ideal for replacing mechanical float level switches whilst offering far more benefits and greater reliability.

Pressure Parts:
Type 801 Probe, rating 150 bar @ 340°C, requires Insert Assembly Type 701.
Type 802 Probe, rating 207 bar @ 370°C, requires Insert Assembly Type 702.
Versions of the above Probes with non-wetting PTFE insulators are available for low and high water conductivity. Rating 50 bar @ 220 °C.

Electronic Unit Specification:
Enclosure: Wall mounted glass-fibre reinforced polyester. Protection IP65/NEMA 4X.
Dims: 190H x 150W x 75D.

Inputs:
Discrimination between water and steam for a single channel. Switching threshold selected for water conductivities of 0.5, 1 or 2mS/cm.

Outputs:
Selection for Relays energised in the Safe plant condition. Two pole changeover relay. Single pole Changeover contact for System Fault. A time delay of 0,2,4, or 6 seconds is available. Relay switch off function 0-63 seconds.
Contact Rating: Max Voltage - 250Vac, 220Vdc
Max Current - 8Amps
Load Switching - 240W / 2000 VA.
Display: LED indication on channel with flashing indication of fault.

Supply Requirements:
Single AC Power Supply
92 - 127V @ 15VA, 48 - 63Hz
184 - 254V @ 15VA, 48 - 63Hz
Temperature Rating: -10 to 65 °C Amb.
-50 to 100 °C Storage.