The calibratable, compact pressure sensors of the PREMASGARD® 121x - Modbus series with Modbus connection are optionally equipped with a display and are used to measure positive, negative or differential air pressures. The piezoresistive measuring element is temperature-compensated and guarantees high reliability and accuracy. The pressure transmitters have a button for manual zero point adjustment and an adjustable offset. The pressure sensors are used in clean room, medical and filter technology, in ventilation and air conditioning ducts, in spray booths and commercial kitchens, for filter monitoring and level measurement or for controlling frequency converters. The measuring media of the pressure transmitter are clean air (non-condensing) or gaseous, non-aggressive, non-flammable media. The differential pressure sensors are supplied including the ASD-06 connection set (2 m connection hose, two pressure connection nipples, screws).
| Measurement | Pressure, differential pressure, Pressure (air) |
| Power supply | 24 V AC (± 20 %) and 15…36 V DC |
| Output | Modbus |
| Pressure range | ±1000 Pa |
| Display | Yes |
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