Operating Instructions for Helical Flow Meters Type SRZ
10
KEM
6 Listings
6.1 Warranty
KEM warrants material and production for a period of 18 months after installation and start up, max.
24 months from delivery date.
6.2 Declaration of conformity
See separate sheet
6.3 Technical
Data
6.3.1 General
SRZ 40 HR
SRZ 40
SRZ 100
SRZ 400
0,40
0,40
1,00
4,00
33,000
3,500
850
214
5,000
1,740
1,750
1,800
Type
size
Measuring Range
ltr./min
K-Factor
pulses/ltr.
Frequency Range
in Hz
up to
up to
up to
up to
8
40
100
400
20
20
8
14
up to
up to
up to
up to
Measuring media:
fluids free of ferro-magnetic particles
Linearity:
±0.5% of actual flow at 30 mm²/s or higher
±0.25% of actual flow at 100 mm²/s or higher
Repeatability: ±0.1%
Operating temperature:
–20 up to +70°C
Materials:
SS 303 or SS316Ti/SS316L
Ingress protection:
IP67
Measuring ranges and accuracy are valid for viscosities of 30 mm²/s of higher. K-factors and
frequencies are average values – individual values are included in calibration records.
6.3.2 Electrical
Data
Nominal supply voltage:
15 VDC and 24 VDC
Supply voltage range:
12 up to 30 VDC
Supply current:
typically < 20 mA at no load
Output type:
Push pull
Max output current:
> 10 mA max. (typically 20 mA)
Output short circuit
to GND: infinite
to +UB < 1 s
