Endress+Hauser Deltabar S FMD 77 - Storage Temperature Range; Degree of Protection; Climate Class; Vibration Resistance

Deltabar S
24 Endress+Hauser
Storage temperature range • –40 to +212°F (–40 to +100°C)
• Display module: –40 to +185°F (–40 to +85°C)
Degree of protection → See page 53 ff, feature 30 "Housing, Cable entry, Protection".
Climate class Class 4K4H (air temperature:–4 to +131°F/ –20 to 55°C , relative humidity: 4 to 100%) fulfilled as per
DIN EN 60721-3-4 (condensation possible)
Vibration resistance PMD 70, PMD 75: guaranteed for 15 to 25 Hz: 1.6 mm; 25 to 1000 Hz: 4 g in all 3 planes
Electromagnetic
compatibility
Interference emission as per EN 61326 electrical device B, Interference immunity as per EN 61326 appendix
A (industrial use) and NAMUR EMC recommendation (NE 21).
With increased interference immunity against electromagnetic fields as per EN 61000-4-3: 30 V/m
Overvoltage protection Protective diodes: gas discharger 230 V, nominal discharge current 10 kA
→ See also page 53 ff, feature 100 "Additional options 1" and feature 110 "Additional options 2".
Operating conditions (Process)
Process temperature limits • PMD 70: –40 to +185°F (–40 to +85°C)
• FMD 76: –40 to +185°F (–40 to +85°C)
• PMD 75: –40 to +248°F (–40 to +120°C),
with side flanges C22.8: 14 to +248°F (–10 to +120°C)
• FMD 77 and FMD 78, depending on the diaphragm seal and filling oil: up to +662°F (+ 350°C)
Note!
• For oxygen applications, observe page 23 "Oxygen applications" section.
• PMD 70, FMD 76, PMD 75 and FMD 78: Observe the temperature operating range of the seal.
→ See also the following section "Temperature operating range, seals".
• FMD 77 and FMD 78: Observe the temperature application limits of the diaphragm seal oil.
→ See also page 46, sections "Diaphragm seal filling oils".
• FMD 77 and FMD 78: Do not use diaphragm seals with 0.09 mm PTFE foil on AISI 316L (1.4435/1.4405)
for vacuum applications; upper temperature limit +400°F (+205°C).
Temperature operating range,
seals
PMD 70 (with ceramic measuring diaphragms)
Versions in the order code Seal Temperature operating range
1
1) Seal for lower temperatures on request
A FKM Viton, Compound VC601 –4 to +185°F (–20 to +85°C)
B EPDM, Compound E 7502 –4 to +185°F (–20 to +85°C)
C Kalrez, Compound 6375 +41 to +185°F (+5 to +85°C)
1 FKM Viton, degreased,
Compound V 80G2
+14 to +185°F (–10 to +85°C)
2 FKM Viton, cleaned for oxygen service,
Compound V80G2
+14 to +140°F (–10 to +60°C)