Siemens SITRANS FMS500 - Page 47

Version FMS500
Corrosive category C4 (C5 optional) according to ISO 12944-2
Pressure drop DN 15 and 25 (½" and 1"):
• Max. 20 mbar (0.29 psi) at 1 m/s (3 ft/s)
DN 40 to 300 (1½" to 12"):
• Max. 25 mbar (0.36 psi) at 3 m/s (10ft/s)
DN 350 to 1200 (14" to 48"):
• Insigni󹪝cant
Test pressure 1.5 x PN (where applicable)
Mechanical load (vibration) - compact version 
 With compact transmitter FMT020
• Vibration, sinusoidal according to IEC 60068-2-6: 1 g peak
• Vibration broad-band random, according to IEC
60068-2-64: 1.54 g rms
Mechanical load (vibration) - remote version 
 Sensor
• Vibration, sinusoidal according to IEC 60068-2-6: 2 g peak
• Vibration broad-band random, according to IEC
60068-2-64: 1.54 g rms
 Transmitter FMT020
• Vibration, sinusoidal according to IEC 60068-2-6: 0.7 g
peak
• Vibration broad-band random, according to IEC
60068-2-64: 1.54 g rms
Process 󹪞uid temperature 
 NBR -10 to +70 °C (14 to 158 °F)
 EPDM -10 to +70 °C (14 to 158 °F)
EMC EMC 2014/30/EU
1
Maximum operating pressure decreases with increasing operating temperature
2
For PTB K7.2 DN 15 to 1200
Table 8-4 Design
Version FMS500
Housing and 󹪞ange material Carbon steel, with corrosion resistant coating of corrosive cat‐
egory C4 or C5, according to ISO 12944-2
Measuring pipe AISI 304 (1.4301)
Electrodes Hastelloy
Grounding electrodes (standard) Hastelloy
Terminal box Polycarbonate
Technical speci󹪝cations
8.1FMS500
SITRANS FMS500
Operating Instructions, 01/2024, A5E52677520-AA 47