MR MSENSE DGA 9 - 10. Technical specifications

MSENSE
®
DGA 9 7045899/02 EN – 11.2020 Page 140
10. Technical specifications
General
Optional nominal voltages of
the operating voltage:
120 VAC 50/60 Hz
1)
or
230 VAC 50/60 Hz
1)
or
120 VDC
1)
or
230 VDC
1)
Other nominal voltages upon request!
CAT II
Power consumption:
max. 600 VA
Housing:
Aluminium
Dimensions:
W 263 x H 274 x D 331.5 mm
Weight:
approx. 15 kg
Operating temperature:
(Surroundings)
-55°C ... + 55 ° C (below -10 ° C display function locked)
Oil temperature:
(in the transformer)
-20°C ... +90°C
Storage temperature:
(Surroundings)
-20°C ... +65°C
Pressure at the oil inlet:
0 - 300 kpa (negative pressure permissible)
Valve connection:
G 1½" DIN ISO 228-1
or
1½" NPT ANSI B 1.20.1
Safety
CE-certified
Isolation protection:
IEC 61010-1:2002
Protection type:
IP-55
Measurements
Gas / moisture-in-oil measurement
Quantity to be measured
Area
Precision
2) 3)
Hydrogen H
2
0 ... 10,000 ppm
± 15 %± 25 ppm
Carbon monoxide CO
0 ... 10,000 ppm
± 20 %± 25 ppm
Carbon dioxide CO
2
0 ... 20,000 ppm
± 20 %± 25 ppm
Methane CH
4
0 ... 5,000 ppm
± 20 %± 25 ppm
Acetylene C
2
H
2
0 ... 10,000 ppm
± 20 %± 5 ppm
Ethylene C
2
H
4
0 ... 10,000 ppm
± 20 %± 10 ppm
Ethane C
2
H
6
0 ... 10,000 ppm
± 20 %± 15 ppm
Oxygen O
2
0 … 50,000 ppm
± 10 %± 1000 ppm
Moisture H
2
O
(aw)
0 ... 100 %
± 3 %
Moisture-in-mineral oil
0 ... 100 ppm
± 3 % ± 3 ppm
Working principle
• Reduced gas sampling production based on the gas space principle
(no membrane, proof of vacuum)
• Patent-pending oil sampling system (EP 1 950 560 A1)
• Near-infra-red NIR gas sensor unit for CO, CO
2
, CH
4
, C
2
H
2
, C
2
H
4
, C
2
H
6
and O
2
• Micro-electronic gas sensor for H
2
measurement