MR MSENSE DGA 2 - Technical Data

13 Technical data
Messko GmbH 202090 BA4001150/10 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 tem-
perature of mineral-based transformer insulating oil in accordance with IEC60296:2012 /
ASTM D3487-09
Measured variables H
2
CO
(only for
MSENSE
DGA 3)
Humidity Oil temperature
relative
display can be
switched
absolute
display can be
switched
Lower detection limit 15ppm 25ppm 3%RH 5ppm -20°C
Upper detection limit 2,000ppm 2,000ppm 90%RH 2,000ppm +115°C
Measuring accuracy ±10%
1, 2
or
3
±20ppm
±15%
1, 2
or
3
±20ppm
±2% RH
5
±2%
4
±1°C
Repetition accuracy ±5%
2
or
3
±10ppm
±5%
2
or
3
±10ppm
±1% RH ±1%
4
±1°C
Sensor resolution 1ppm 1ppm 1%RH n.a. 1°C
1
Measuring accuracy in accordance with IEC60567, Appendix E
2
Of the measured value
3
Depending on which value is larger
4
Of the saturation curve; IEC60422
5
At +20°C
Conditions of use
Locations of use Indoors and outdoors, all climate zones
Installation altitude Up to 4,000m above sea level
Offshore Optional
Mounting location Directly on the transformer tank or in the oil closed circuit
cooling pipe; installation horizontal
Ambient temperature during operation
6
-40 to +60°C
Oil temperature during operation
6, 7
-20 to +115°C
DGA measuring range with respect to the ambient temper-
ature
6
-20 to +60°C
DGA measuring range with respect to the oil temperature
6,
7
+10 to +90°C
Ambient humidity 0...100%RH
Ambient temperature storage/transport -40 to +80°C
6
Please contact MR to check the use in case of extreme conditions