MR MESSKO MTO, Технические данные инструкция

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Oil Level Indicator MESSKO® MTO
Messko GmbH 2018 3 5784996-00 EN MESSKO® MTO
Technical data
Operating conditions MESSKO® MTO®
Setup Indoors and outdoors, tropic-proof
Operating temperature –40 °C...+70 °C; with TT30 signal converter (optional): –2
5
°C...+70 °C
Storage temperature –50 °C...+80 °C
Min. permitted oil impermea-
bility 760 kg/m 3 at max. operating temperature
Ventilation Ventilation element in the indicator for the prevention of water condensation
Degree of protection IP 55 in accordance with DIN EN 60 529
General MESSKO® MTO®
Materials
Front ring and housing Sheet steel, galvanized: coated RAL 7032/RAL 7033/RAL 7038; coated
with acrylate resin
Stainless steel: coated RAL 7033/RAL 7038, coated with acrylate resin
Retaining flange Aluminum (AlSi1MgMn)
Viewing glass Laminated safety glass with UV filter
Indicator scale Aluminum-coated, with UV wide format printing and protective paint
Labeling Black font
Upon execution in accordance with DIN 42 569 black indicator scale, yel-
low font
MIN...+20°C...MAX; other labeling available
Float rod Aluminum; optional brass for L ≤ 350 mm
Float gauge Rohacell 110, oil-resistant, temperature-resistant up to 160°C
Cable screw connection Nickel-plated brass, M25x1.5
Offshore: 1.4571 stainless steel, M25x1.5
Weight 3.7 kg
Dimensions
Housing scale Ø 173 mm [Ø 6.81"]; height 213 mm [8.39"]; depth 81 mm [3.19"]
Height with TT housing (optional): 322 mm [12.68"]
Flange Standard MTO-ST160 (TT30) : Ø 134 mm [Ø 5.28"]; bolt circle Ø 102 mm
[Ø 4.02"] with 4 holes Ø 13 mm [Ø 0.51"]
MTO-ST
RM standard : Ø 134 mm [Ø 5.28"]; bolt circle Ø 101.6 mm [Ø
4.000"] with 4 holes Ø 11.12 mm [Ø 0.438"]; inner seal groove Ø 66.55 mm
[Ø 2.620"] / outer seal groove Ø 85.85 mm [Ø 3.380"] / depth 3.05 mm
[0.120"]
MTO-ST
RM NAT/DS : Ø 134 mm [Ø 5.28"]; bolt circle Ø 79.38 mm [Ø
3.125"] with 4 holes Ø 8.73 mm [Ø 0.344"]; inner seal ring Ø 53.98 mm [Ø
2.125"] / outer seal ring Ø 69.85 mm [Ø 2.750"] / depth 1.59 mm [0.063"]
Projection Radial, straight design: 59 mm / 100 mm; max. 350 mm; others available
Radial, angled design (15° / 30° / 45°): 150 mm / 274 mm; max. 350 mm;
others available
Axial: Standard 69 mm / 268 mm; max. 350 mm, others available
Float gauge length Radial: Standard 680 mm / 800 mm; can be shortened by the customer
Axial: 2 rolling float gauges (≤ 1000 mm); 4 rolling float gauges (> 1000
mm)
Connection terminals min. 0.25 mm 2 / max. 2.5 mm 2
Micro-switch MESSKO® MTO®
Switching function:
Change-over switch for fill
level
NO: Level rising or falling
NC: Level falling or rising
Contact material Silver alloy (AgNi10)
Gold-plated contacts available if current for switching is limited to 100 mA
Isolation voltage 2.5 kV AC, each individual contact grounded
Up to 3 preset micro-switches, only adjustable ex works: MTO-ST F 160(G)
Breaking capacity: AC: 250 V / 15 A / cosφ = 1; DC: 250 V / 0.25 A / non-
inductive; DC: 12 V / 5 A / non-inductive
Up to 3 freely adjustable micro-switches over scale range: MTO-ST160(G)
For the breaking capacity, see the following table