Measuring ranges
| See data sheet |
Constructional design / case
| Ausführung: | Two-chamber case, continously rotatable by ± 170° Case surface blasted |
| Material case: | - Stainless steel mat.no. 1.4301/1.4305 (304/303) - Stainless steel mat.no. 1.4404 (316L) |
| Material front cover: | - Stainless steel mat.no. 1.4305 (303) - Stainless steel mat.no. 1.4404 (316L) - Polypropylene, black |
| Gaskets: | Silikon / NBR |
| Degree of protection per EN 60529: | - IP 65 / IP 67 - IP 69K |
| Climatic category per EN 60721 3-4: | 4K4H |
| Vibration resistance per EN 61298-3: | 10…60 Hz: ± 0.35 mm 60…1000 Hz: 5 g |
| Material window: | - Macrolon - Non-splintering glass (requires front cover of stainless steel) |
| Elec. connection: | - Circular connector M12 - Cable gland M16x1.5, PA black - Cable gland M16x1.5, stainless steel - Cable gland M20x1.5, PA black - Cable gland M20x1.5, stainless steel - 1/2" NPT, PA black |
| Further connections upon request | |
| Terminal blocks: | - FSpring clamp terminals up to 1.5 mm2 - Pole terminals up to 2.5 mm2 - Screw terminals up to 2.5 mm2 |
| Weight: | approx. 2.9 kg |
| Type plate: | Laser marking |
Process connection plus-sided
| Design: | - Diaphragm seal direct with distance tube - Diaphragm seal with stainless steel capillary and stainless steel protective tube |
Design of diaphragm seals see order code.
Process connection minus-sided
| Design: Process flange | with connection dimension per EN 61518 and with mounting thread 7/16 – 20 UNF - Process connection 1/4 – 18 NPT - Process connection 1/2 – 14 NPT via oval flange (see accessories) |
| Material: Stainless steel mat.-no. 1.4404 (316L) | |
| Ventilation: - without ventilation, with sealing plug 1/4" NPT - with ventilation valve 1/4" NPT |
|
| Gasket: - EPDM, FDA compliant (standard) temperature range -40...85 °C - FKM (Viton) temperature range -20...85 °C |
|
| Diaphragm material: Stainless steel mat.-no. 1.4404 (316L) | |
| Further connections and materials upon request. | |
| Design: Diaphragm seal | with stainless steel capillary and stainless steel protective tube |
| Design of diaphragm seals see order code. |
Material wetted parts
| - Stainless steel mat.-no. 1.4404/1.4435 (316L) - Hastelloy C276 - Tantal - PTFE coating, vacuum-resistant |
| Further materials upon request. |
Measuring system
| Sensor: | Piezoresistive measuring element |
| System filling: | - Silicone oil - Halocarbon oil upon request |
Pressure transmission fluids
| - Synthetic oil, free of silicon - High temperature oil - Halocarbon oil |
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 |
| Calibration position: | Diaphragm seal on same height |
| Reference accuracy: | See data sheet |
| Long-term drift: | Refer to nominal range ≤ 0.1 % within 5 years |
| Temperature influence of ambient temperature: | See data sheet |
| Temperature influence output (-40...80 °C): | ≤ ±(0.04 % / 10 K) |
| Influence static pressure (per EN 61298-3): | Refer to nominal range: ≤ ±(0.1 % + 0.1 % x TD) |
| Temperature influence diaphragm seal: | Depends on design and profile of requirements. |
| We provide a detailed error analysis upon request. |
Indication
| Display: | - High-resolution graphic display with backlight - 4-button operation - Freely configurable display modes - continuously rotatable by ± 170 (detent every 90°) - Optional: Remote display and control unit, can be used up to 10 m away from measuring point |
| Configuration memory: | All parameterisation data can be copied from the device into the configuration memory in the display module. The data is permanently stored there, even in the event of power failure. |
| The parameters can be transferred simply and quickly to other devices. |
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 Operational availability < 12 s Response time t90 at current output: typically 200 ms Digitale communication: HART®-protocol, version 7 |
| Communication via: - Siemens PDM - Pactware or compatible systems (FDT/DTM) - 375 / 475 Field Communicator |
|
| Funktion: | - linear - inverse response - by square root - table function with up to 64 support points |
| Turndown: | max. 100:1 |
| Damping: | 0…999.9 s selectable in steps of 0.1 s |
| Measuring rate: | 50 Hz |
| Resolution: | 0,5 µA |
| Current sensing func.: | 3.55…21.5 mA selectable in steps of 0.001 mA |
| Load R: | R ≤ (UV-12V DC)/0.022 A [Ω] U = Versorgungsspannung |
| for HART communication: R ≥ 230 Ω |
Supply voltage
| Functional range: | 12…30 V DC, protected against polarity reversal |
| Ripple: | < 5 % |
Temperature ranges
| Ambient: | -40…80 °C (Display visibility is limited at temperatures below - 30 °C) |
| Measuring cell: | -40...85 °C |
| Media: | -90…400 °C The temperature range of the pressure transmission fluid has to be observed. |
| Storage: | -40…80 °C |
Tests and certificates
| See documents. |
Type series
| CI4350 |
