Performance Characteristics; Installation - Endress+Hauser Dosimass Modbus RS485 Operating Instructions Manual

Technical data
Current consumption
Power supply failure
Electrical connection
Potential equalization
Cable specification
Reference operating
conditions
Maximum measurement
error
60
Order code for "Output, input"
Option MD: Modbus RS485, 2 switch outputs (batch), 1 status output, 1
status input
1) Per switch output used (batch) 500 mA, status output 100 mA
Switch-on current
Option MD: Modbus RS485, 2 switch outputs (batch), 1 status output, 1 status input
Max. 1.2 A (< 15 ms)
• Totalizers stop at the last value measured.
• Configuration is retained in the device memory.
• Error messages (incl. total operated hours) are stored.
→  29
→  30
→  26
16.6

Performance characteristics

• Error limits based on ISO 11631
• Water
• +15 to +45 °C (+59 to +113 °F)
• 2 to 6 bar (29 to 87 psi)
• Data as indicated in the calibration protocol
• Accuracy based on accredited calibration rigs according to ISO 17025

Installation

• Measuring device is grounded.
• The sensor is centered in the pipe.
To obtain measured errors, use the Applicator sizing tool →  55
o.r. = of reading; 1 g/cm³ = 1 kg/l; T = medium temperature
Base accuracy
Bases for calculation →  62
Mass flow and volume flow (liquids)
±0.15 %
Density (liquids)
Under reference conditions
[g/cm³]
±0.0005 g/cm³
Field density adjustment
[g/cm³]
±0.0005 g/cm³
Dosimass Modbus RS485
Maximum
current consumption
1)
100 mA + 1 100 mA
Standard density calibration
[g/cm³]
±0.0025 g/cm³
Endress+Hauser