설명
Pressure transducers for RELATIVE, ABSOLUTE and VACUUM measures Nominal pressures from 10 bar to 1000 bar Output 2mV/V Linearity and hysteresis 0,50% PROTRUDING DIAPHRAGM HIGH TEMPERATURE max. 150 ° C
Pressure transmitters belonging to TP7DN series, born to solve problems in food industrial sectors, are now commonly used in those productive processes where pressure or level measurements of dense substances are required.
DN20 standard coupling enables easy-to-perform mounting and cleaning of the sensor, to prevent from formation of residuals of the measuring diaphragm.
The sensitive part, in contact with pressure, is entirely made of 17-4 PH corrosion-proof stainless steel.
High vacuum thermal treatments which stainless steel is subjected to, ensure the correct functioning even when highly dynamic stresses are involved. Monolithic execution of measuring element, without any assembling via tight rings or gaskets, guarantees a high long-term stability, with negligible hysteresis and zero drift. Pressure is internally detected by a full bridge strain gauge, which assures the maintenance of performances even in presence of peaks.
Every pressure transmitter is entirely LASER welded and completely resin-encapsulated, to ensure insensitivity and a high degree of hermetic tight.
During production cycle, pressure transmitters are thermally compensated, tested and individually calibrated with the use of completely automated stations that analyse and record data.
Dimensions
Technical Data
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| RELATIVE PRESSURE (R) Zero at atmospheric pressure |
1 – 2.5 – 5 – 10 – 20 – 50 bar |
| LINEARITY and HYSTERESIS | ≤ ± 0.25 % |
| TEMPERATURE EFFECT (1°C) a) on zero b) on sensitivity |
≤ ± 0.015% ≤ ± 0.015% |
| NOMINAL SENSITIVITY | 4-20 mA (2 or 3 wires) 0-5 V, 0-10 V |
| CALIBRATION TOLERANCE | ≤ ± 0.1% |
| NOMINAL POWER SUPPLY | 4-20 mA and 0-5 V 🠒 12-24 Vdc 0-10 V 🠒 15-24 Vdc |
| MAX. POWER SUPPLY MAX. ABSORPTION a) 3 wires b) 2 wires LOADING RESISTANCE a) tension b) current INSULATION RESISTANCE ZERO BALANCE RESPONSE FREQUENCY |
28 Vdc
30 mA (3 wires) min. 3 kΩ (tension) |
| LIMIT MECHANICAL VALUES REFERRED TO NOMINAL PRESSURE a) service pressure b) max. permissible pressure c) breaking pressure d) highly dynamic pressure |
100% 150% >300% 75% |
| REFERENCE TEMPERATURE / WORKING TEMPERATURE RANGE / STORAGE TEMPERATURE RANGE | +23°C -10/+70°C -20/+80°C |
| PROCESS COUPLING | DN 20 |
| PROTECTION CLASS (EN 60529) / SENSOR EXECUTION MATERIAL / ELECTRICAL CONNECTION | IP65 INOX 17-4 PH DIN 43650 Connector – A/ISO 4400 |
OPTIONS
| VACUUM (V) range | (-1/0), (-1/+1), (-1/+2.5), (-1/+5) bar |
| ELECTRICAL CONNECTION | 5 m Cable / Cavo |
| ELECTRICAL CONNECTION | M12X1 Connector |
| MOCA certification for food applications (pressure ≥ 20 bar) | – |
Electrical connections
Connected to body of the pressure transmitter
(1)ZERO ADJUSTMENT is accessible by unscrewing the nut
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