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Model DSS19T High Quality Pressure Sensor with Mounted Diaphragm Seal
Brand: WIKA Alexander Wiegand SE & Co. KGDiaphragm seal systems are used to protect the pressure measuring instrument from aggressive, adhesive, crystallising, corrosive, highly viscous, environmentally hazardous or toxic media.
The diaphragm made of stainless steel provides for the separation from the medium. The pressure is transmitted to the measuring instrument via the system fill fluid which is inside the diaphragm seal system.
Features- Quick cleaning, without residue.
- Threaded connection per SMS standard (SS 3352).
- Suitable for cleaning out of place (COP).
Specifications
Design
- High-Quality Pressure Sensor, welded to Diaphragm Seal
Current Output
- 4 ... 20 mA (2-Wire)
Power Supply
- DC 8 ... 35 V
Accuracy at Reference Conditions
- ≤ ± 0.5 % of Span
Permissible Load in Ω
- Current output ≤ (Power Supply - 7.5 V) / 0.023 A
Current Supply
- Maximum 25 mA
Dissipation Loss
- 828 mW
Reference Conditions (per IEC 61298-1)
- Mounting Position: Calibrated in vertical mounting position with pressure connection facing downwards
- Power Supply: DC 24 V
- Humidity: 45 ... 75 % Relative Humidity
- Atmospheric Pressure: 860 ... 1,060 mbar [12.5 ... 15.4 psi]
- Temperature: 15 ... 25° C [59 ... 77° F]
Pressure Limitation
- ≥ 10 bar [150 psi]: 2 times
- < 10 bar [150 psi]: 3 times
Permissible Temperature Range
- Storage: 10° to 60° C [50° to 140° F]
- Ambient: 10° to 40° C [50° to 104° F]
- Medium: 10° to 80° C [50° to 176° F], for CIP and SIP Max. 130° C [266° F]
Wetted Material
- Diaphragm Seal: Stainless Steel 1.4404 (316L)
- Diaphragm: Stainless Steel 1.4435 [316L]
Non-Wetted Material
- Angular Connector: PBT/PET GF30
- Zero Adjustment Ring: PBT/PET GF30
- Case: Stainless Steel 1.4571 [316Ti]
Surface Roughness of Wetted Parts
- Ra ≤ 0,76 μm [30 μin] per ASME BPE SF3 (Except for weld seam)
Level of Cleanliness of Wetted Parts
- Oil and grease free per ASTM G93-03 level F WIKA Standard (< 1,000 mg/m²)
System Fill Fluid
- Medicinal White Mineral Oil KN 92 (FDA 21 CFR 172.878, 21 CFR 178.3620(a), USP, EP, JP), recommendation for pharmaceutical and cosmetics applications
Permissible Humidity (per IEC 68-2-78)
- ≤ 67 % Relative Humidity at 40° C [104° F] (In accordance with 4K4H per EN 60721-3-4)
- Hygienic pressure measurement in sanitary applications for the food and beverage industry
- Mounting to pipelines and vessels with 4 ... 20 mA output signal
- For gases, compressed air, vapour; liquid, pasty, powdery and crystallising media