OMS-1 Oil Separator Alarm Device
D15530_E-5
Installation and Operating Instructions
Copyright © 2019 Labkotec Oy
10/13
We reserve the right for changes without notice
7
TECHNICAL DATA
OMS-1 control unit
Dimensions
125 mm x 75 mm x 35 mm (L x H x D)
Enclosure
IP 65, material polycarbonate
Operation temperature
-30
ºC…+50 ºC
Supply voltage
230 VAC ± 10 %, 50/60 Hz
The device is not equipped with a mains
switch.
Fuse maximum 10 A.
Power consumption
1 VA
Sensors
OMS sensor
Relay output
Potential-free relay output
250 V, 5 A, 100 VA
Operational delay 10 sec. Relay de-
energize at trigger point.
Electrical safety
IEC/EN 61010-1, Class II
, CAT II
Insulation level
Sensor / Mains supply
voltage
375V (IEC/EN 60079-11)
EMC
Emission
Immunity
IEC/EN 61000-6-3
IEC/EN 61000-6-1
Ex-classification
Special conditions (X)
ATEX
IECEx
II (1) G [Ex ia] IIB
(Ta = -30
C…+50
C)
VTT 12 ATEX 003X
IECEx VTT 12.0001X
Electrical parameters
Characteristic curve of the
output voltage is linear.
See table 1.
Uo
= 6,6 V Io
= 20,2 mA
Po
= 33,3 mW
Manufacturing year:
Please see the serial number
on the type plate
xxx x xxxxx xx
YY
x
where YY = manufacturing year
(e.g. 19 = 2019)
In the cable parameters of OMS-1 sensor
connection must be taken into account the
interaction of capacitance and inductance. The
table below indicates the connecting values in
explosion group IIB. In explosion group IIA the
values of the group IIB can be applied.
Max. permissible value
Combined Co and Lo
Co
Lo
Co
Lo
II B
500
μF
300 mH
40 µF
20 µF
12 µF
10 µF
8,5 µF
0,15 mH
0,5 mH
1,0 mH
2,0 mH
5,0 mH
Table 1. OMS-1 electrical parameters
OMS sensor
Principle of operation
Measurement of conductivity
Material
PVC, AISI 316
IP-classification
IP68
Temperature
Operation:
0 ºC…+60 ºC
Safety: -
30 ºC …+60 ºC
Cable
Oil-proof cable 2 x 0.75 mm
2
. Standard
length 5 m, other lengths optional. The
max. length of the fixed cable is 15 m.
Can be extended up to 100 m..
EMC
Emission
Immunity
IEC/EN 61000-6-3
IEC/EN 61000-6-1
Ex-classification
II 1 G Ex ia IIA T6 Ga
According to IEC/EN 60079-11 simple
apparatus.
Manufacturing year:
Please see the serial
number on the type plate
xxx x xxxxx xx
YY
x
where YY = manufacturing year
(e.g. 19 = 2019)
Figure 5. Dimensional drawing of OMS sensor
