User manual
Z11.0.1X.6C-15    page 4 of 4 
Specification 
GOEL 380 
GOEL 370 
Obsolete: 
GOEL 369 S 
Obsolete: 
GOEL 369 
oxygen partial pressure sensor 
Application: 
Low Oxygen 
concentrations 
Diving, 
CO
2
 containing 
gases 
CO
2
 containing 
gases 
standard 
Specific features 
For low O
2
concentration 
Fast response 
stronger membrane: 
enhanced life time 
and more robust 
against pressure 
changes 
coated electronics: 
Corrosion protection; 
Less dependence on 
operating position 
better temperature 
compensation 
Acidic 
electrolyte for 
application with 
significant CO
2
levels 
Measuring ranges: 
 O
2
 partial pressure: 
0 ... 300 hPa  
0 ... 1100 hPa  
0 ... 300 hPa  
0 ... 1100 hPa  
 O
2
 Concentration: 
0.0 ... 25.0 % 
0.0 ... 100.0 %  
0.0 ... 25.0 % 
0.0 ... 100.0 % 
Sensor signal:  7 - 13 mV 
(dry air, 1013 hPa, 25°C) 
9 - 13 mV 
7 - 13 mV  
9 - 13.5 mV  
7 - 13 mV  
Electrolyte: 
basic electrolyte 
acidic electrolyte 
acidic electrolyte 
basic electrolyte 
Response time: 
(temperature depending) 
90% in < 5s 
90% in < 10s 
90% in <15s 
90% in < 5s 
Cross sensitivities 
Signal of <0.1 % 
15% CO
2
in N
2
,  
10% CO
in N
2
, 
3000ppm NO in N
2
,  
3000ppm C
3
H
8
 in N
2
,  
500ppm H
2
S
in N
2
,  
500ppm SO
2
 in N
2
,  
1000ppm Benzene in N
2
None to He, H2 and CO 
Signal of <0,002 % O
2
100% CO
2
,  
100% CO, 
3000ppm NO in N
2
,  
100% C
3
H
8
,  
2000ppm H
2
S
in N
2
,  
2000ppm SO
2
 in N
2
,  
1000ppm Benzene in 
N
2
,
1000ppm H
2
 in N
2
Signal von <0.1 % 
15% CO
2
in N
2
,  
10% CO
in N
2
, 
3000ppm NO in N
2
,  
3000ppm C
3
H
8
 in N
2
,  
500ppm H
2
S
in N
2
,  
500ppm SO
2
 in N
2
,  
1000ppm Benzene 
in N
2
Accuracy: 
(with dry air, 1013 hPa, 25°C)) 
< 2 % O2 
< 25 % O2 
> 25 % O2 
± 0.1 % O2  
± 0.5 % O2  
not specified 
± 0.2 % O2  
± 0.5 % O2 
± 0.5 % O2 
± 0.2 % O2  
± 0.5 % O2  
not specified 
± 0.2 % O2  
± 0.5 % O2 
± 1.0 % O2 
Normal sensor life 
approx. 2 years at 
standard conditions 
approx. 4 years at 
standard conditions 
approx. 2 years at 
standard conditions 
approx. 2 years at 
standard conditions 
Ambient pressure: 
0.5 to 2.0 bar abs. 
 Over-/under pressure: 
max. 0.25 bar (pressure difference sensor membrane to ambient – sensor screwed-in) 
Warranty period: 
12 months (assuming appropriate usage according to the manual) 
Connection: 
3.5mm mono type plug 
Working temperature: 
0 to +50 °C 
0 to +45 °C 
0 to +50 °C 
Relative humidity: 
0 to +95 %RH (not condensing) 
Storage temperature: 
-15 to +60°C 
housing dimensions: 
approx. Ø 30 x 44 mm 
Weight:   
approx. 28 g 




