Endress+Hauser Deltabar S FMD 77 - Thermal Change of the Zero Output and the Output Span; Total Performance - the Total Performance Specification Comprises the Non-Linearity Including Hysteresis, Non-Reproducibility, the; Warm-Up Period - 5.4 S; Performance Characteristics - Ceramic Diaphragms

Deltabar S
Endress+Hauser 19
Thermal change of the zero
output and the output span –
PMD 75
+14 to +140°F (–10 to +60°C):
• 4, 12 inH
2
O (10 mbar, 30 mbar) measuring cell: ±(0.31 • TD + 0.06)% of URV
• 40 inH
2
O (100 mbar) measuring cell: ±(0.18 • TD + 0.02)% of URV
• 200 inH
2
O, 45 psi (500 mbar, 3 bar) measuring cell: ±(0.08 • TD + 0.05)% of URV
• 230 psi (16 bar) measuring cell: ±(0.1 • TD + 0.1)% of URV
• 600 psi (40 bar) measuring cell: ±(0.025 • TD + 0.05)% of URV
–40 to +14°F, +140 to +185°F (–40 to –10°C, +60 to +85°C):
• 4, 12 inH
2
O (10 mbar, 30 mbar) measuring cell: ±(0.45 • TD + 0.1)% of URV
• 40 inH
2
O (100 mbar) measuring cell: ±(0.3 • TD + 0.15)% of URV
• 200 inH
2
O, 45 psi (500 mbar, 3 bar) measuring cell: ±(0.12 • TD + 0.1)% of URV
• 230 psi (16 bar) measuring cell: ±(0.15 • TD + 0.2)% of URV
• 600 psi (40 bar) measuring cell: ±(0.37 • TD + 0.1)% of URV
Performance characteristics – ceramic diaphragms
Reference accuracy –
PMD 70, FMD 76
The reference accuracy comprises the non-linearity including hysteresis and non-reproducibility in accordance
with the limit point method as per IEC 60770.
10 inH
2
O (25 mbar) measuring cell:
• TD 1:1: ±0.15% of URV
• TD > 1:1: ±0.15% of URV x TD
40 inH
2
O (100 mbar) measuring cell:
• TD 1:1 to TD 4:1: ±0.075% [±0.05%] of URV
• TD > 4:1: ±(0.012 • TD + 0.027)% of URV
200 inH
2
O, 43 psi (500 mbar, 3 bar) measuring cell:
• TD 1:1 to TD 15:1: ±0.075% [±0.05%] of URV
• TD > 15:1: ±(0.0015 • TD + 0.05252)% of URV
Total performance –
PMD 70, FMD 76
The "Total performance" specification comprises the non-linearity including hysteresis, non-reproducibility, the
thermal change of the zero point as well as the influence of the line pressure (p
st
= 1015 psi / 70 bar).
• ±0.15% of URV
1, 2
Warm-up period –
PMD 70, FMD 76
5.4 s
– Values in brackets [ ] for devices with improved reference accuracy (PLATINUM version)
– The following applies for the root-extracting characteristic curve:
The accuracy data of the Deltabar S is taken into the accuracy calculation of the flow rate with a factor of 0.5.
1. For measuring ranges ≥ 200 inH
2
O (500 mbar), TD 1:1
2. All specifications apply to the temperature range +14 to +140°F (–10 to +60°C).