Low Volume – variable area flow meter
with glass measuring cone
Type: K09, K09-R, K12, K17, K32

Measure low volume accurate and safe

The K-Series meters are suitable for flow measurement of liquid or gaseous products in pipelines.

Indication of momentary volume- or mass flow per time unit.

For process monitoring and regulation, the units are available with additional electrical equipment.

  • A variety of sealing materials
  • Wall mounting possibility (KDS-C)
  • Version c/w inlet/outlet pressure regulator (optional).
  • Limit switches

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Details

K09, K12, K17

Applications

Measuring the volume flow rate of extremely low flow rates of liquids and gases

Technical data

Measuring ranges

  • K09 / K09-R:
    • Air: 2…20 – 300…3.000 Nl/h
    • Water: 0,02..0,25 – 10…100 l/h
  • K12 / K12-R
    • Air: 0,5…5 – 500…5.000 Nl/h
    • Water: 0,25…2,5 – 16…160 l/h
  • K17 / K17-R
    • Air: 2…20 – 300…3.000 Nl/h
    • Water: 0,02…0,25 l/h – 10…100 l/h

Output signal

1 or 2 limit switches (mono- or bistable)

Accuracy

  • K09: ±3 % (qG=50 % acc. VDE/VDI 3513)
  • K09-R:
    • Accuracy: ± 3,5 % of upper range value. (in range of 10-100%)
    • Control deviation: ± 5 % of upper range value. (in range of 10-100%)
  • K12: ±2,5 % (qG=50 % acc. VDE/VDI 3513)
  • K12-R:
    • Accuracy: ± 3,5 % of upper range value. (in range of 10-100%)
    • Control deviation: ± 5 % of upper range value. (in range of 10-100%)
  • K17: ±2 % (qG=50 % acc. VDE/VDI 3513)
  • K17-R:
    • Accuracy: ± 2,5 % of upper range value. (in range of 10-100%)
    • Control deviation: ± 5 % of upper range value. (in range of 10-100%)

K09-R

Applications
  • Flow control of liquids and gases in pipelines
  • K09-R.N for fluctuating inlet pressure
  • K09-R.V for fluctuating outlet pressure
Technical data

Measuring ranges:

  • Water: 0,02-0,25l/h / 10-100 l/h
  • Air: 2,0-20 Nl/h / 300-3.000 Nl/h
  • Measuring and control range K09-R V / N 10-100%
Output signal:
  • inductive limit switches
Accuracy:
  • Reference conditions: water 20 °C , air 20 °C, 1,2 bar abs
  • Measuring error: liquid/ gas: ± 3% of upper range value (qG= 50% gem. VDE/VDI 3513)
  • Control deviation: liquid/ gas ± 5% of upper range value
Applications:

Metering of liquid products with suitable viscosity, free of solids, not clog and do not tend to form deposits.

Gases with linear flow characteristics and adequate inlet pressure

Nominal pressure: PN16 (max. unilateral pressure resistance of the diaphragm is 7 bar)

Process temperature: 0°C up to +100°C (without switch)

0°C up to +70°C (with switch)

Ambient temperature: 0°C up to +80°C

Ingress protection: IP 65 (EN60529)

Certificates and approval
  • Explosion Protection:
  • Labelling of non-electrical instruments K09:
  • II 2GD IIC TX
  • Reg. No.: BVS 10 ATEX H-B 034
  • Labelling of the limit switch:
  • PTB 99 ATEX 2128 X
  • II 2G Ex ia IIC T6

K32

Applications

Flow metering of transparent liquid and gas media in pipes.
Indication of momentary volume- or mass flow per time unit.

Technical data

Materials:

  • Glass tube: Borosilicate glass
  • Float: st.st. 1.4401 (316), glass / Body, connections: 1.4404 (316 L) (others on request)
  • Process connections: ¼” NPT (F), G ¼ , PVC hose (others on request)
  • Max. pressure: PN 16
  • Process temperature:
    • -20°C … +100°C
    • -20°C … +70°C (with switch)
  • Ambient temperature:
    • -20°C … +100°C
    • -20°C … +70°C (with switch)
  • Ingress protection: IP 65 (EN60529)

Accuracy

  • Liquid/Gas: ± 1% (qG 50 acc. VDE/VDI 3513)
  • V / N (differential pressure regulator) ± 2,5 % / ± 5 % FS (within 10-100% of the range)

Repeatability

  • Liquids / gases : ± 0,3 % FS
  • V / N (differential pressure regulator) ±1,5 % / 2,5 % FS

Measuring ranges

  • Water: 20 °C, min: 0,6-6,3 l/h, max: 5-63 l/h
  • Air: 20 °C, 1,2 bar abs., min: 30-250 Nl/h, max: 180-1800 Nl/h
  • measuring/controlling range K32-V / N 10-100%

Output signal

  • inductive limit switches
Options

K32-R-V / N with differential pressure regulator
K32-R-…V for fluctuating outlet pressure
K32-R-…N for fluctuating inlet pressure

Downloads

K09

Downloads

K09-R

Downloads

K12

Downloads

K17

Downloads

K32

Video