Model: K12 Heinrichs Low Volume-variable area-with glass tube

Model K12 Low Volume - variable area - with glass tube
Model K12 Low Volume – variable area – with glass tube

The K12 meter is suitable for flow measurement of liquid or gaseous products in pipes. It shows the current flow rate in volume or mass per unit in time.

Flow measuring of liquids and gas can be used in the chemical industry or medical or laboratory engineering. Precision, reliability, and efficiency are the remarkable features of this device. This device is a robust mechanical system with a low-rate of wear.

The variable-area flowmeter consists of a stainless steel device with an integrated conical measuring tube made of glass and a vertically
movable float.

Applications

Flow metering of liquid or gaseous products in pipelines. The current flow rate in volume or mass per unit in time is displayed.

Approvals and certificates

Explosion protection: in preparation (for mech. instrument)
Contacts PTB 00 ATEX 2128 X (with limit switches)
Ignition category: II 2G EEx ia IIC T6-T4
CE-marking: Ex-guidelines 94/9/EG
EMC: EMC-guidelines 2004/108/EG
PED: 97/23/EG

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Technical Data:

Ranges:
Water 20 °C, min: 0,25-2,5 l/h, max:16-160 l/h
Air 20 °C, 1,2 bar abs., min: 0,5-5 Nl/h, max:500-5.000 Nl/h
Electronic output (Option): inductive limit switches
Accuracy:
Liquids / gases: ± 2,5% q G 50 acc. VDE/VDI 3513 page 2
K12-V / N (differential pressure regulator) ± 3 % / ± 5 % FS within 10-100% of the range
Repeatability Liquids / gases ± 1,0 % FS
K12-V / N (differential pressure regulator) ± 1,5 % / 2,5 % FS
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.
Ambient conditions:
Ambient temperature -20°C up to +100°C (risk of frost fracture!) (-20°C up to +70°C)
Product conditions
without switch: -20°C up to +100°C
(with switch: -20°C up to +70°C)
Ingress protection: IP 65 (EN60529)
Max. pressure: PN 10
All pressure data refer to liquids without danger potential and proper and stress free installation of the equipment.

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Ref: Heinrichs.com