User interface
Operation
• On-site operation with three optical keypads (E, –, +)
• Operation via HART protocol or RS 485 interface
• E+H operating matrix for all instrument functions
Display
• LC display: illuminated, double-spaced with 16 characters each
• Damping of flow display can be adjusted: 0...99 s
Communication
• Rackbus RS 485 interface (Rackbus protocol)
• SMART protocol (HART protocol via current output)
• PROFIBUS-PA / PROFIBUS-DP
Power supply
Supply voltage /
Frequency
85...260 V AC, 45...65 Hz
20... 55 V AC, 45...65 Hz
16... 62 V DC
Power consumption
AC: <15 VA (incl. sensor)
DC: <15 W (incl. sensor)
Current at make (Promag 33 X / 24 V DC):
– max. 13.5 A (< 100 µs)
– max. 6 A (< 5 ms)
Power supply failure
Bridges minimum 1 power cycle (22 ms)
• EEPROM saves measuring system data on power failure
(no batteries required).
• DAT = replaceable data memory in which basic data of the sensor
are stored: nominal diameter, SAPS (actual values), serial number,
calibration factor, zero point, status EPD (yes/no), EPD calibration
values.
Certificates and approvals
Ex approvals
Information on Ex versions (e.g. ATEX/CENELEC, FM, CSA) can be
supplied by your E+H sales center on request. All explosion protection
data are given in separate documentation available on request.
Sanitary version
– Sensor Promag A: 3A approval
– Sensor Promag H (hygienic version): 3A approval and EHEDG tested
CE mark
By attaching the CE mark, Endress+Hauser confirms that the Promag 33
measurement system has been successfully tested and fulfils all legal
requirements of the relevant CE directives.
Order information
Accessories
• Post mounting set for transmitter (remote version):
Order No. 50076905
• Wall mounting kit for Promag A sensor:
Order No. 50064550
• Spare parts: see page 97
Supplementary
documentation
System Information Promag (SI 010D/06/en)
Technical Information Promag 33 (TI 027D/06/en)
Supplementary Ex documentation: ATEX/CENELEC, FM, CSA
Other standards and guidelines
EN 60529 Degree of protection by housing (IP code)
EN 61010 Protection Measures for Electronic Equipment for Measurement, Control, Regulation and
Laboratory Procedures
EN 50081 Part 1 and 2 (interference emission)
EN 50082 Part 1 and 2 (interference immunity)
NAMUR Association of Standards for Control and Regulation in the Chemical Industry
Promag 33 9 Technical Data
Endress+Hauser 113
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