Measuring ranges
| See data sheet |
Constructional design / case
| Design: | Hygienic case of stainless steel, continuously rotatable by ± 170°° |
| Material case and front cover: | Process connection back: Stainless steel mat.-no. 1.4305 (303); Option: stainless steel mat.-no. 1.4404 (316L) |
| Process connection bottom:´Stainless steel mat.-no. 1.4301 (304); Option: stainless steel mat.-no. 1.4404 (316L) | |
| Gaskets: | Silicone / NBR EPDM / FKM (if degree of protection IP 69K) |
| Degree of protection per EN 60529: | IP 65 / IP 67 Option: IP 69K |
| Climatic category per EN 60721 3-4: | 4K4H |
| Material window: | Macrolon hardened Option: Non-splintering glass |
| Electrical connection: | Circular connector M12 |
| Optional: - M16x1.5, PA black - M16 x 1,5 brass nickel-plated - M16x1.5, stainless steel - M20x1.5, PA black - M20 x 1,5 brass nickel-plated - M20x1.5, stainless steel - 1/2" NPT, PA black |
|
| Further connections upon request | |
| Terminal blocks: | Spring clamp terminals up to 2 mm2 |
| Type plate: | Adhesive label Option: Laser marking |
Process connection
| Position: | Back |
| Design: | See order details |
Material wetted parts
| Material: | See order details |
Hygienic design
| The surface roughness of the wetted parts made of stain-less steel are executed according to EHEDG Doc.8 and ASME BPE SF3. |
| In case of choosing the additional feature HY, we guarantee the following surface roughness values: |
| Diaphragm foil: Ra ≤ 0.38 µm Laser welds: Ra ≤ 0.76 µm Turned parts: Ra ≤ 0.76 µm |
| Further versions of hygienic design upon request. |
Measuring system
| Sensor: | Piezoresistive measuring element |
| System filling: | Synthetic oil, free of silicone FD1, FDA listed |
Accuracy
| Reference cond. per EN 61298-1: | TU = const. (15…25) °C φ = const. (45...75) % r.F. pU = const. (860...1060) mbar UB = 24 V DC (± 3 V DC) RB = 50 Ω, HART: 250 Ω Ground connected Lower range value = 0 bar |
| Deviation of characteristic: | Refer to the adjusted measuring span (Limit point method per DIN 16086) Up to Turndown 5:1 ≤ ± 0.15 % Turndown > 5:1 ≤ ± 0.03 % x TD |
| Option (not for NB 250 mbar): Up to Turndown 5:1 ≤ ± 0.1 % Turndown > 5:1 ≤ ± 0.02 % x TD |
|
| Long-term drift: | Refer to nominal range ≤ 0.1 %/year |
| Calibration position: | Vertical |
| Temperature influence process connection: | Refer to nominal range |
| Ambient temperature -20…80 °C: 0.15 %/10K , max. 0.4 % |
|
| Ambient temperature -40…-20 °C: Typical ± 0.2 %/10K |
|
| Temperature influence process connection: | Depending on type of diaphragm seal. |
| Detailed error analysis upon request. |
Indication
| Display: | - High-resolution graphic display with backlight - 4-button operation - Freely configurable display modes - Continuously rotatable - Removable under voltage |
Output
| Signal: | 2-wire technology 4…20 mA |
| Lower limit 3.8…4 mA | |
| Upper limit 20...21 mA | |
| Lower alarm current < 3.6 mA | |
| Upper alarm current > 21 mA | |
| Current limitation 22 mA | |
| Digital communication: HART®-protocol, version 7 |
|
| Device driver: - EDD for SIMATIC PDM - DTM for PACTware or compatible systems (FDT compliance) |
| Funktion: | - Linear - Invers - Table function with up to 32 support points |
| Turndown: | Up to 20:1 |
| Damping | 0…999.9 s |
| Measuring rate: | 20 Hz |
| Resolution: | ≤ 1 µA |
| Current sensing func. | 3.55…21.5 mA selectable in steps of 0.001 mA |
| Load RB: | RB ≤ (UV-12V DC)/0.022 A [Ω] UV = supply voltage |
| for HART communication RB ≥ 230 Ω |
Supply voltage
| Functional range: | 12…30 V DC, protected against polarity reversal |
| Ripple: | < 5 % |
Temperature ranges
| Ambient: | -20…80 °C |
| Option: -40…80 °C (Display visibility is limited at temperatures below - 30 °C) |
|
| Media: | -10...140 °C at Tu ≤ 70 °C , P > 400 mbar abs Tu = ambient temperature |
| Option: -20…160 °C at Tu ≤ 70 °C , P > 500 mbar abs Tu = ambient temperature |
|
| Vacuum application: 10…500 mbar abs: -20…120 °C < 10 mbar abs upon request |
|
| Storage: | -40…80 °C |
Tests and certificates
| See documents |
Type series
| CV4110 |
