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OilSET-1000 Oil Separator Alarm Device 

 

     

                                 

D15492AE-2 

Installation and Operating Instructions

  

 

 

Copyright © 2019 Labkotec Oy 

10/13 

We reserve the right for changes without notice 

TECHNICAL DATA 

 

OilSET-1000 control unit 

Dimensions 

175 mm x 125 mm x 75 mm (L x H x D) 

Enclosure 

IP 65, material polycarbonate 

Operation temperature 

-

25 ºC…+50 ºC 

Supply voltage 

230 VAC ± 10 %, 50/60 Hz 
Fuse 5 x 20 mm 125 mAT (IEC/EN 
60127-2/3) 
The device is not equipped with a mains 
switch 

Power consumption 

2 VA 

Sensors 

One SET sensor (SET/DM3AL) 

Max. resistance of the 
current loop between the 
control unit and a sensor

 

75

 Ω

Relay outputs 

Two potential-free relay outputs 
250 V, 5 A, 100 VA 
Operational delay 5 sec or 30 sec. 
Relays de-energize at trigger point. 
Operation mode selectable for increasing 
or decreasing level.  

Electrical safety 

IEC/EN 61010-1, Class II  

 , CAT II / 

III 

Insulation level 
Sensor / Mains supply 
voltage 
 

375V (IEC/EN 60079-11) 

EMC 

Emission 
Immunity 

 
IEC/EN 61000-6-3 
IEC/EN 61000-6-2 

Ex-classification 
 

Special conditions (X) 

ATEX 

IECEx 

       II (1) G    [Ex ia] IIC 
 
       (Ta = -25 

C…+50 

C) 

       VTT 04 ATEX 031X 
       IECEx VTT 10.0003X 

Electrical parameters 
 
Characteristic curve of the 
output voltage is trapezoidal 
 
See table 2. 

Uo

  

= 14,7 V          Io

  

= 55 mA          

Po

  

= 297 mW       R = 4

04 Ω 

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) 

 
Due to non-linear characteristics of the sensor voltage, the interaction of 
both, capacitance and inductance, must be taken into account. The 
table below indicates the connecting values in explosion groups IIC and 
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 C 

 608nF 

 10 mH 

568nF 
458 nF 
388 nF 
328 nF 
258 nF 

0,15 mH 
0,5 mH 
1,0 mH 
2,0 mH 
5,0 mH 

II B 

3,84μF 

30 mH 

3,5 µF 
3,1 µF 
2,4 µF 
1,9 µF 
1,6 µF 

0,15 mH 
0,5 mH 
1,0 mH 
2,0 mH 
5,0 mH 

L

o

/R

o

 

= 116,5 µH/Ω (IIC) and 466 µH/Ω (IIB) 

 

 

Table 2. OilSET-1000 electrical parameters 

 
 
 
 

 
 
 
 
 

SET/DM3AL sensor 

Principle of operation 

Measurement of conductivity 

Signal 
Supply voltage 

Analog 3 mA / 10 mA 
8 V…16 V (DC) 

Material 

PVC (black); AISI 316, NBR, PA 

IP-classification 

IP68 

Temperature 

Operation:  

0 ºC…+60 ºC 

Safety:    -

30 ºC …+60 ºC 

Cable 

Shielded 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 with a 
shielded cable.  The recommended 
maximum cable loop resistance is 75 Ω. 

EMC 

Emission 
Immunity 

 
IEC/EN 61000-6-3 
IEC/EN 61000-6-2 

Ex-classification 

 

Special conditions (X) 

 
 
 

ATEX 

IECEx 

       II 1 G   Ex ia IIA T5 Ga 
 
(Ta -

30 ºC …+60 ºC) 

– The risk of electrostatic charge must 
be observed! 
 
EESF 19 ATEX 004X 
IECEx EESF 19.0004X 

Electrical parameters 

Ui

 

= 16 V           Ii

 

= 80 mA 

Pi= 400 mW     Ci

 

= 3500 pF 

Li

  

= 85 

μH 

Manufacturing year: 
Please see the serial 
number on the type plate 

x xxx x xxxxx xx 

YY

 x 

where YY = manufacturing year 
(e.g. 19 = 2019) 

 

 

 
 

Figure 9. Dimensional drawing of SET/DM3AL sensor

Summary of Contents for OilSET-1000

Page 1: ...8 29 006 260 Fax 358 29 006 1260 23 9 2019 Internet www labkotec fi D15492AE 2 1 13 Copyright 2019 Labkotec Oy We reserve the right for changes without notice OilSET 1000 Oil Separator Alarm Device wi...

Page 2: ...trol unit 4 2 2 SET DM3AL sensor 5 2 3 Cable joint 5 3 OPERATION AND SETTINGS 6 3 1 Operation 6 3 2 Factory settings 7 4 TROUBLE SHOOTING 8 5 REPAIR AND SERVICE 9 SAFETY INSTRUCTIONS 9 6 TECHNICAL DAT...

Page 3: ...is installed into the light liquid storage chamber and gives an alarm when the chamber is filled to a pre determined degree The sensor is normally immersed in water The function is based on the measu...

Page 4: ...re beneath the mounting holes of the front cover The connectors of the external conductors are isolated by separating plates The plates must not be removed The plate covering the connectors must be in...

Page 5: ...ined in figure 3 Cable shields and possible excess wires need to be connected to the same point in galvanic contact Please make sure that the sensor and cable between OilSET 1000 control unit and the...

Page 6: ...LED indicators are off Relays 1 and 2 are energized Oil alarm SET DM3AL sensor is immersed in oil The sensor gives an alarm when the upper electrode is in oil Mains LED indicator is on Oil Alarm LED...

Page 7: ...OilSET 1000 is not as described in the previous chapter check that the device settings are as in figure 7 Change the settings according to the following instructions if needed The following tasks mus...

Page 8: ...ensor should give an alarm again Problem FAULT LED indicator is on Possible reason Current in sensor circuit too low cable break or too high cable in short circuit The sensor might also be broken To d...

Page 9: ...tentially explosive atmosphere Sensors connected to it may be installed in zone 0 1 or 2 potentially explosive atmospheres In case of installations in explosive atmospheres the national requirements a...

Page 10: ...e g 19 2019 Due to non linear characteristics of the sensor voltage the interaction of both capacitance and inductance must be taken into account The table below indicates the connecting values in exp...

Page 11: ...DECLARATION OF CONFORMITY...

Page 12: ...DECLARATION OF CONFORMITY...

Page 13: ...DECLARATION OF CONFORMITY...

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