HEMOMATIK KARI User manual

M1
M1C M1H M1L
Manual
Image M1H shows the operation
of the KARI Float Switch
Alarm
Liquid rises to
a level for monitoring.
KARI Float Switch
Operation
Ordertel 08-771 00 04 Växel 08-771 02 20 Email [email protected]
Orderfax 08-771 62 00 Teknisk 08-771 35 80 Internet www.hemomatik.se
Länna, S-142 50 SKOGÅS

M1C |M1H |M1L 2 | www.kari.
M1CChange over switch.
M1HHigh level alarm.
M1LLow level alarm.
FUNCTIONS
ORDER CODE
M1H
Circuit diagram
M1C , M 1H, M1L
Cable types
Empty = PVC
A = rubber
N = TPU
S = silicone
T = teon
U = UL/CSA PVC
K = heat-resistant
Heat-resistant cable types
N = TPU
S = silicone
T = teon
U = UL/CSA PVC
Gold-plated contacts (Au)
1mA ... 100 mA
Deviating
surface
levels (cm)
Vxx
_20
Cable length
(m)
_K
1st letter
Non-standard cable
weight
B = 250 G
G = 400 g
K = 700 g
L = 1000 g
K N Au
DIMENSIONS
KARI Float Switch
– compact and reliable
The KARI Float Switch is a control device for charging
and discharging pumps and motor and magnetic valves.
It is also an alarm device that alerts the user at specied
surface levels. SGS FIMKO Oy (the Finnish Electrical
Inspectorate) has performed testing in accordance with
the Low Voltage Directive (LVD) and approved the KARI
Float Switch for use in non-ammable liquids at 250 volts.
130 mm
ø 76 mm
Ordertel 08-771 00 04 Växel 08-771 02 20 Email [email protected]
Orderfax 08-771 62 00 Teknisk 08-771 35 80 Internet www.hemomatik.se
Länna, S-142 50 SKOGÅS

3 | www.kari.
The KARI Float Switch is mounted to hang from its cable.The
oat switch oats on the surface of the liquid and follows the
movement of the liquid’s surface. Connection occurs when the
oat tilts. The height of the alarm level is determined by the
height at which the oat hangs.
Installation considerations
• The only adjustable element is the height at which the oat
hangs. Fine tuning must be carried out on the basis of the
applicable object and the conditions.
• If the viscosity of the liquid is particularly high or oating to
the sides needs to be restricted, we recommend using a cable
weight. Weights delivered as accessories are xed to the cable
with a clamp wedge (see Image 1 on the next page).
• It is important to keep the junction box in a dry environment.
If this is not possible, the ends of oat switch cables must be
covered with, for example, protective grease (see Images 2 and
3 on the next page). An IP68 junction box is also available.
• The installation site must be selected such that the oat
cannot become caught under or stay on top of any surface
or get entangled in other structures (see Image 4 on the next
page).
• When the oat switch is tested without being oated, its
correct orientation must be considered: the ‘UP’ mark on the
side of the bottom portion must face upward. For example,
when placed on the oor on its side, the oat switch settles
into this position because of its internal keel weight (see Image
5 on the next page).
• Tying the oat switch from its cable near the oat to, for
example, the ascension pipe of the pump decreases the useful
life of the cable; the oat switch should hang freely from its
cable (as shown in Image 6 on the next page).
INSTALLATION AND ADJUSTMENT
TECHNICAL INFORMATION
Switching element Microswitch
Voltage 6 ... 250V AC
Max. rated current 6A res., 3A ind.
Rated current with
gold-plated contacts 1mA ... 100 mA
Maximum DC power 75 VA (=0,3A, 250V)
Pressure rating 200 kPa
Max. operating temperature +55 °C (+75 °C supplied to order)
Cable length 5 m (other lengths supplied to order)
Weight of 5 m cable 0,6 kg... 0,7 kg
Largest diameter 76 mm
Length of oat casing 130 mm
Buoyancy in water 2 N
Float material Polypropylene (PP)
Cable insulation (standard) PVC
Other cable options Rubber, TPU, teon, silicone
Water-tightness IP 67
Cable length
(m)
1st letter
Non-standard cable
weight
B = 250 G
G = 400 g
K = 700 g
L = 1000 g
KARI Float Switch
– compact and reliable
Länna,S-142 50SKOGÅS Ordertel 08-771 00 04 Växel 08-771 02 20 Email [email protected]
Stockholm,Sweden Orderfax 08-771 62 00 Teknisk 08-771 35 80 Internet www.hemomatik.se

4 | www.kari.
A) B)
Image 1. Cable weights and the hanging loop are
xed to the cable with a clamp wedge (A–B).
Image 2.Avoid extending or
connecting the cable in humid
conditions.
Image 3.
Image 4.Take care to ensure
the free movement of the oat.
Image 6. Avoid xing the oat such that
a sharp corner can cause kinks or wear to the cable.
Image 5. Note the correct
orientation of the oat.
Up!
Länna,S-142 50SKOGÅS Ordertel 08-771 00 04 Växel 08-771 02 20 Email [email protected]
Stockholm,Sweden Orderfax 08-771 62 00 Teknisk 08-771 35 80 Internet www.hemomatik.se

M1C |M1H |M1L 5 | www.kari.
ROHS
M1C6...250 V
1
2
3
1-2 1-3
CHANGE OVER SWITCH
Circuit
open
Circuit
closed
M1L6...250 V
1
2
1-2
Circuit
open
Circuit
closed
Alarm
LOW LEVEL ALARM
M1H6...250 V
1
2
1-2
Circuit
open
Circuit
closed
Alarm
HIGH LEVEL ALARM
A QUALITY FINNISH PRODUCT
Our quality control is based on the ISO 9001 quality
management system. Each product is subject to a full
operation test.The KARI Float Switch is also available in
versions which fullls the U.S. and Canadian national safety
standards.
CIRCUIT DIAGRAM
Länna,S-142 50SKOGÅS Ordertel 08-771 00 04 Växel 08-771 02 20 Email [email protected]
Stockholm,Sweden Orderfax 08-771 62 00 Teknisk 08-771 35 80 Internet www.hemomatik.se

www.kari.
Kari-Finn Oy
Koneharjunkatu 1
FI-15850 LAHTI
Tel. [phone]
info@kari.
www.kari.
Agents Head ofce
Over 50 years of experience
in product development
Kari-Finn Oy developed its rst oat switch back in 1965.
Since then, we have designed, tested, and manufactured
millions of oat switches, for a wide variety of operating
environments.Thanks to our research work and feedback
from customers, we have been very successful in developing
our product line.
International success in
innovation and export since 1977
It was several decades ago, in 1977, when the KARI Float
Switch was awarded a gold medal at the Brussels International
Exhibition of Invention and a medal of the City of Brussels
for an extensively exported product.At that time, exports
covered all countries in Europe, the United States, South
Africa, and Japan. Later on, exports reached every continent.
KARI Float Switch
Operation
12150 | Sektori 09/2015
Länna,S-142 50SKOGÅS Ordertel 08-771 00 04 Växel 08-771 02 20 Email [email protected]
Stockholm,Sweden Orderfax 08-771 62 00 Teknisk 08-771 35 80 Internet www.hemomatik.se