13 Technical data
Messko GmbH 2020 91BA4001150/10 EN MSENSE
®
DGA 2/3
7
At the point of measurement
Device properties
Mechanical connection Via ball valve and configurable flange DN50 or DN80 (several flanges available);
with safety chain for safe installation and removal
Measuring pipe length Two different lengths for optimum measuring conditions;
Short measuring pipe: 285mm;
Long measuring pipe: 507mm
Oil extraction connection Luer lock socket on the device;
adapter set for safe and clean oil extraction included in the scope of delivery
Operation Optional VFD display (suitable for use in daylight) with three operating keys for
displaying measured values and messages as well as for calling up parameters
Materials used Stainless steel and aluminum;
All external parts and parts in contact with oil are weather resistant, resistant to
transformer oil and UV-resistant
Gasket material FPM (Viton®)
Available colors (terminal box) RAL7033
RAL7038
Degree of protection IP66
Dimensions 435 / 657 x 218 x 264mm (version with short / long measuring pipe)
Device weight Version with short measuring pipe: approx. 12kg
Version with long measuring pipe: approx. 14kg
(without ball valve / flange / safety chain)
Ball valve weight Approx. 6kg (including flange and safety chain)
Electrical connection
Voltage supply 95...280VAC, 50/60Hz or 95...280VDC (protected against polarity reversal)
Power consumption < 13W
Overvoltage category III
Connection terminals Voltage supply, relays and analog outputs: 2.5mm
2
, AWG14
Cable gland 3xM20x1.5 or 3x½“NPT; 8…15mm lead diameter
Interfaces
Relay outputs Four freely configurable signaling relays (one changeover contact each) for
warning and alarm messages and for maintenance messages from the device-
internal monitoring;
One signaling relay for safety messages (e.g. loss of voltage)
Contact current capacity:
250V AC / 5A; max. 400V AC, cos φ = 1 at 85°C;
30V DC / 5A to 300V DC / 0.25A
Analog outputs Passive, signal tolerance ±0.03mA, load resistance max.700Ω at 24VDC
MSENSE®DGA2: Two configurable outputs, 4...20mA
MSENSE®DGA3: Three configurable outputs, 4...20mA
Service interface 5-pole socket (Molex) for communication via Modbus RTU and parameterization
via MSET parameterization software