13 Technical data
Maschinenfabrik Reinhausen GmbH 202390 4001150/12 ENMSENSE
®
DGA 2/3
13 Technical data
Measurement
Application Determination of the gas concentration of fault gases as well as
moisture in oil and oil temperature of mineral-based transformer
insulating oil in accordance with IEC60296:2012 /
ASTMD3487-09
Measured vari-
ables
H
2
CO
(only for
MSENSE
DGA 3)
Humidity Oil temper-
ature
Relative
display can
be
switched
Absolute
display can
be
switched
Lower detection
limit
15ppm 25ppm 3% RH 5ppm -20°C
Upper detection
limit
2,000ppm 2,000ppm 90% RH 2,000ppm +115°C
Measuring accu-
racy
±10%
1, 2
or
3
±20ppm
±15%
1, 2
or
3
±20ppm
±1.8% RH
5
±2%
4
±1°C
Repetition accu-
racy
±5%
2
or
3
±10ppm
±5%
2
or
3
±10ppm
±1%RH ±1%
4
±1°C
Sensor resolution 1ppm 1ppm 1% RH n.a. 1°C
1
Determination based on IEC60567, AppendixE
2
Of the measured value
3
Depending on which value is larger
4
Of the saturation curve; IEC60422
5
At +23°C
Conditions of use
Locations of use Indoors and outdoors, all climate zones
Installation altitude Up to 4,000m above sea level
Offshore Optional
Mounting location Directly on the transformer tank or in the
oil closed circuit cooling pipe; installation
horizontal
Operating temperature
6
-40...+60°C
Insulating fluid temperature
6, 7
-20...+115°C
DGA measuring range with respect to
the operating temperature
6
-20...+60°C
DGA measuring range with respect to
the temperature of the insulating fluid
6, 7
+10...+90°C
Ambient humidity 0...100%RH
Storage temperature -40...+80°C