Kobold DON-05, Operating Instructions Manual

Page: 24 / 48

DON-H
page 24 DON-H
01/0721
H0/HA electronics options: Supply voltage: 8 to 30 V
DC
(Hall reed switch Supply current: max. 5 mA (without load)
pulse output) Hall pulse output: active push-pull, max.
100 mA, short-circuit-
proof
HIGH level:
Min. +Vs – 1.3 V
LOW level: max. 1.3 V
Reed switch pulse output:
max. switching voltage: 30 V
DC
max. switching current: 20 mA
max. switching capacity: 0,6 W
Electronics options Z1… Z5: see operating instructions ZOK-
Electronics options 1A… 5A: see operating instructions supplement ZOK-Ex
Maximum Pressure (threaded version)
DON-H05...-20: 400 bar
Max. Flowrate Multiplier (for higher viscosities)
Viscosities
(cP)
Standard rotor Special cut rotor
≤ 1000 1 1
≤ 2000 0,5 1
≤ 4000 0,42 0,84
≤ 6000 0,33 0,66
≤ 8000 0,25 0,5
≤ 30000 0,15 0,3
≤ 60000 0,12 0,25
≤ 150000 0,1 0,2
≤ 250000 0,05 0,1
≤1000000 0,025 0,05
Special cut rotors for higher viscosities
For viscosity > 1000 cP, special cut rotors option „S“ should
be used to reduce pressure drop. This applies to DON-H15
and larger sizes. For higher viscosities, the flowmeter
max. flowrate is de-rated according to the attached chart.
Example: DON-H20 measuring oil at 8000 cP, max. flow
150 LPM x 0.5 = 75 LPM new maximum flow rate.