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Description
The Alfa 77-PI is a compact three stage low pressure pressostat for panel mounting with a neutral zone and a 0/+10Vdc P(I) output.
The Alfa 77-PI has a default program with the function minimum/ maximum alarm.
The pressostat can also be programmed with the function: 2x minimum or 2x maximum alarm.
The Alfa 77-PI has a range of -100/+1000 Pa with a read-out per 1 Pa. The required range can be programmed.
To the Alfa 77-PI, pressure sensors from the PX 25-2 range can be connected. These sensors are not included.
The Alfa 77-PI is supplied with 12Vac. A special transformer can be delivered.
The Alfa 77-PI has a default program with the function minimum/ maximum alarm.
The pressostat can also be programmed with the function: 2x minimum or 2x maximum alarm.
The Alfa 77-PI has a range of -100/+1000 Pa with a read-out per 1 Pa. The required range can be programmed.
To the Alfa 77-PI, pressure sensors from the PX 25-2 range can be connected. These sensors are not included.
The Alfa 77-PI is supplied with 12Vac. A special transformer can be delivered.
Alfa 77-PI/2 Pa 24Vac/dc
Price on Request
Serienummer: 904.000950
Technical specifications
Type:
Alfa(net) 77
Housing:
Black ABS plastic
Dimensions:
144 x 72 x 50 mm (hwd)
Front:
Polyester
Front connection:
Screw terminals on the back
Power input:
24Vac/dc
Measure range:
-1/+99 Bar, read-out per 0,1 Bar
Controls:
By push buttons on the front
Sensor:
0/+1 Vdc for sensors from the PX range
Relay:
Pressure increase SPST contact 250V/5A (NO) Pressure decrease SPST contact 250V/5A (NO) Alarm SPDT contact 250V/5A (NO/NC) (all relays one common, non inductive)
Accuracy:
± 0.5% of the range
Functions:
druk verhogen/druk verlagen of 3xdruk verhogen of 3x druk verlagen(intern programmeerbaar) minimum/maximum alarm
Description
The Alfa 77-PI is a compact three stage low pressure pressostat for panel mounting with a neutral zone and a 0/+10Vdc P(I) output.
The Alfa 77-PI has a default program with the function minimum/ maximum alarm.
The pressostat can also be programmed with the function: 2x minimum or 2x maximum alarm.
The Alfa 77-PI has a range of -100/+1000 Pa with a read-out per 1 Pa. The required range can be programmed.
To the Alfa 77-PI, pressure sensors from the PX 25-2 range can be connected. These sensors are not included.
The Alfa 77-PI is supplied with 12Vac. A special transformer can be delivered.
The Alfa 77-PI has a default program with the function minimum/ maximum alarm.
The pressostat can also be programmed with the function: 2x minimum or 2x maximum alarm.
The Alfa 77-PI has a range of -100/+1000 Pa with a read-out per 1 Pa. The required range can be programmed.
To the Alfa 77-PI, pressure sensors from the PX 25-2 range can be connected. These sensors are not included.
The Alfa 77-PI is supplied with 12Vac. A special transformer can be delivered.
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