Field Instruments

General

The Siemens pressure sensors are suitable for the measurement of static and dynamic positive pressure in HVAC plant, particularly in hydraulic and refrigeration systems using liquid or gaseous media.  

Features

• High-precision measuring
• Measuring range -1 to 60 bar relative
• Supply voltage AC 24 V / DC 12…33 V or DC 7…33 V
• DC 0 ...10 V or DC 4…20 mA output signal
• Seal free, fully welded
• Measurement unaffected by changes in temperature
• High temperature stability
• Internal thread 7/16-20 UNF
• High overload resistance
• Suitable for all media, including ammonia
• Maintenance free thanks to outstanding long-term stability
• Robust and compact construction

Specifications

• Make: Siemens
• Model: QBE2004-P25U
• Analog output, signal: DC 0...10 V
• Operating voltage: AC 24 V, DC 16...33 V
• Current consumption: <4 mA
• Sensing element: Piezo
• Time constant: <2 s
• Pressure connection: Internal thread UNF7/16-20
• Connection cable: 3-wire
• Cable length: 1.5 m
• Connection, electrical: Cable
• Medium temperature: -40…135 °C
• Max. permissible pressure: 3 x scale end value (FS)
• Mounting position: Any
• Measuring range, pressure: -1…24 bar, -100…2400 kPa
• Degree of protection: IP67
• Dimensions (W x H x D): 24 x 24 x 68 mm
• Dimensions (Ø x L): 24 x 68 mm

Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk