Deltabar S
Hauser
19
Performance characteristics – general
Reference operating
conditions
• As per IEC 60770
• Ambient temperature T
U
= constant, in the range of: +21...+33°C (+69.8...+91.4°F)
• Humidity
= constant, in the range of: 5...80 % r.H
• Ambient pressure p
U
= constant, in the range of: 860...1060 mbar
• Position of the measuring cell: constant, in the range of:
1°
• Input of LOW SENSOR TRIM and HIGH SENSOR TRIM for lower range value and upper range value
• Zero based span
• Material of the process isolating diaphragm
– PMD75: AISI 316L/1.4435, Alloy C276, Gold-Rhodium coated, Monel
– FMD77, FMD78: AISI 316L/1.4435
– PMD70, FMD76: Al
2
O
3
(Aluminium-oxide-ceramic)
• Filling oil: silicone oil
• Side flanges material PMD75: AISI 316L/1.4435
• Supply voltage: 24 V DC ± 3 V DC
• Load with HART: 250
Long-term stability
Influence of the installation
position
• PMD70, FMD76:
3 mbar
1, 3
• PMD75:
4 mbar
1, 3
• FMD77:
32 mbar
2, 3
Note!
Position-dependent zero shift can be corrected.
23, section "General installation instructions" and
62 ff, section "Response time".
Vibration effects
1 year
5 years
10 year
Measuring range [mbar]
% of URL
10
±0.150
--
--
100
±0.180
--
--
500
±0.025
±0.050
±0.075
3000
±0.038
±0.075
±0.150
16000
±0.025
±0.110
±0.210
1)
Device is rotated vertically to the axis of the process isolating diaphragm.
2)
Device rotated vertically to the process isolating diaphragm of the flange .
3)
The value is doubled for devices with inert oil.
Device
Housing
Test standard
Vibration effects
PMD70/
FMD76
optional on-site display on
the side (T14)
GL
reference accuracy to
10...18 Hz: ±4 mm;
18...500 Hz: 5 g
PMD75
optional on-site display on
the side (T14)
IEC 61298-3
reference accuracy to
10...38 Hz: ±0.35 mm;
38...2000 Hz: 2 g
PMD75
optional on-site display on
the top (T15)
reference accuracy to
10...60 Hz: ±0.35 mm;
60...2000 Hz: 5 g