Technical data
Promag 50
96
Hauser
10
Technical data
10.1
Technical data at a glance
10.1.1
Application
10.1.2
Function and system design
Measuring principle
Electromagnetic flow measurement on the basis of Faraday’s Law.
Measuring system
10.1.3
Input
Measured variable
Flow velocity (proportional to induced voltage)
Measuring range
Typically v = 0.01 to 10 m/s (0.033 to 33 ft/s) with the specified accuracy
Operable flow range
Over 1000 : 1
Input signal
Status input (auxiliary input)
• Galvanically isolated
• U = 3 to 30 V DC
• Ri = 5 k
• Can be configured for: totalizer reset, positive zero return, error message reset.
10.1.4
Output
Output signal
Current output
• Galvanically isolated
• Active/passive can be selected:
– Active: 0/4 to 20 mA, R
L
< 700
(HART: R
L
250
)
– Passive: 4 to 20 mA, supply voltage V
S
18 to 30 V DC, R
i
150
)
• Time constant can be selected (0.01 to 100s)
• Full scale value adjustable
• Temperature coefficient: typ. 0.005% o.f.s./°C, resolution: 0.5
μ
A
o.f.s. = of full scale value
Pulse/frequency output
• Galvanically isolated
• Passive: 30 V DC / 250 mA
• Open collector
• Can be configured as:
– Pulse output
Pulse value and pulse polarity can be selected, max. pulse width adjustable (0.5 to 2000 ms)
– Frequency output
Full scale frequency 2 to 1000 Hz (f
max
= 1.25 Hz), on/off ratio 1:1, pulse width max. 10 s
Содержание Proline Promag 50
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