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MESSKO® MTO
Oil Level Indicator

Technical data

Messko GmbH 2018

1

5784996-00 EN

MESSKO® MTO

Product variants

This technical document contains detailed information about the technical properties of the product. If you
would like to place an order, please use the MESSKO inquiry and order specification, which you can also
find on our website http://www.reinhausen.com below the respective product.

Limit value switch

Without switch

 

 

Non-adjustable 15 A switch

(MTO-STF160)

max. 3 units

For details, see the micro-switch table, page 3

 Adjustable 5 A switch

(MTO-ST160)

max. 3 units

For details, see the micro-switch table, page 3

Switching points

Standard: 5° before MIN and 5° before MAX; others available

(For adjustable switches: minimum distance >10° between switches)

 Scale marks

Standard: MAX...+20°C...MIN

Others available
Scale/shade color

Black on white dial face

White on black dial face

Yellow on black dial face

Others available

 Electrical connection

Cable screw connection

1 x M25x1.5

1 x M25x1.5 WADI (watertight) available

ANSI plug

Cable length available in a variety of lengths

NPT 1/2" internal thread

 

 

MIL plug

 

 

Optional:

 TT30 box with analog output

For details, see the technical data, page 4, and graphics, page 5/6
Analog output

0...1 mA

0...20 mA

4...20 mA (error signal < 3.6 mA)

4...20 mA (error signal > 22 mA)

Digital output

RS485 interface with standard ASCII proto-
col available

K1 micro-switch

Switching function:

Rising level (NO/NC) or falling level
(NO/NC)

K1 switching point

Standard at 20 °C

Others available

Design types

Housing color tone

RAL 7033 cement gray

RAL 7038 agate gray

RAL 7032 gravel gray (only for sheet steel housing)

Mounting flange

For details, see the technical data, page 3

 Standard flange Ø 134 mm [Ø 5.28"], bolt circle Ø 102 mm [Ø 4.02"]
 RM* flange Ø 134 mm [Ø 5.28"], bolt circle Ø 101.6 mm [Ø 4.000"]

*) Version for the US market

 NAT/DS flange Ø 134 mm [Ø 5.28"], bolt circle Ø 79.38 mm [Ø

3.125"]

Optional

Offshore model

 

 

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Summary of Contents for MESSKO MTO

Page 1: ...ck dial face Yellow on black dial face Others available Electrical connection Cable screw connection 1 x M25x1 5 1 x M25x1 5 WADI watertight available ANSI plug Cable length available in a variety of lengths NPT 1 2 internal thread MIL plug Optional TT30 box with analog output For details see the technical data page 4 and graphics page 5 6 Analog output 0 1 mA 0 20 mA 4 20 mA error signal 3 6 mA 4...

Page 2: ...e scale Standard A 70 max B 15 C 70 max Other intermediate values available Axial design Standard projection A 69 mm A 268 mm Max 350 mm others available Installation position depending on the conservator tank layout Float gauge design 1 rolling float gauge L 1000 mm Option 1 Without breathing sack For details see the graphic page 11 Option 2 Upright with breathing sack For details see the graphic...

Page 3: ...eight 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 STRM 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 STRM NAT DS Ø 134 mm Ø 5 28 bolt circle Ø 79 38 mm Ø 3 125...

Page 4: ...L 7038 coated with acrylate resin Weight approx 700 g Dimensions L x W x H 120 x 80 x 60 mm Cable screw connection 2 x M20x1 5 nickel plated brass 2 x M20x1 5 1 4571 stainless steel for offshore applications Connection terminals min 0 25 mm2 max 2 5 mm2 Connection parameters TT30 signal converter Sensor Inductive switch Supply voltage 24 V DC 15 Power consumption approx 80 mA Isolation voltage 0 5...

Page 5: ...Micro switch electrical connection 6 TT30 box only for MTO TT 7 Connection for supply voltage contacts 4 5 8 K1 main switching contact relay connection contacts 1 2 3 increasing or decreasing NO increasing or decreasing NC 9 LED K1 main switching contact red 10 LED Power green 11 2 rotary encoder switches for RS485 address hexadeci mal 12 Optional RS485 interface contacts 10 11 and if necessa ry c...

Page 6: ... Level Indicator MESSKO MTO Messko GmbH 2018 6 5784996 00 EN MESSKO MTO Circuit diagram for remote display MTO TT with display device El100 and El100 160 Figure 2 Circuit diagram for MTO TT remote display ...

Page 7: ... 3 MTO radial standard 1 Indicator 2 Ventilation 3 Cover plate 4 Connection terminals 5 Projection 6 Bolt length max 20 mm 7 Lock nut 8 Flange thickness 9 Float gauge 10 M25x1 5 cable screw connection in accordance with EN 60423 11 M20x1 5 cable screw connection in accordance with EN 60423 12 TOP for flange mount ...

Page 8: ...radial dimensions sloped version with α 15 30 45 Figure 4 MTO radial sloped 1 Projection 150 1 mm 2 Bolt length max 20 mm 3 Flange thickness 4 Float gauge 5 Lock nut 6 Ventilation 7 Terminal cover 8 M25x1 5 cable screw connection in accordance with EN 60423 9 TOP for flange mount ...

Page 9: ...ESSKO MTO Messko GmbH 2018 9 5784996 00 EN MESSKO MTO MTO installation dimensions with TT30 box sloped Figure 5 MTO sloped installation dimension 1 Float gauge 2 Lock nut 3 Dimensions dependent on inclination α Inclination ...

Page 10: ... MTO axial installation dimension 1 Indicator 2 Ventilation 3 Connection terminals 4 Float gauge 5 Projection 6 Bolt length max 20 mm 7 M25x1 5 cable screw connection in accordance with EN 60423 8 4 20 mA output M20x1 5 cable screw connection in ac cordance with EN 60423 9 TOP for flange mount 10 Lock nut ...

Page 11: ...vel Indicator MESSKO MTO Messko GmbH 2018 11 5784996 00 EN MESSKO MTO Installation positions for axial MTO Option 1 without breathing sack Figure 7 Option 1 without breathing sack with associated float gauge ...

Page 12: ...icator MESSKO MTO Messko GmbH 2018 12 5784996 00 EN MESSKO MTO Axial MTO option 2 and 3 with breathing sack Figure 8 Option 2 with upright installation Option 3 with angled installation float gauge see also option 4 ...

Page 13: ...el Indicator MESSKO MTO Messko GmbH 2018 13 5784996 00 EN MESSKO MTO Axial MTO option 4 with breathing sack and float gauge Figure 9 Option 4 with installation sloping from below float gauge for options 2 3 4 ...

Page 14: ... MESSKO MTO Further types of float gauges Figure 10 Types of float gauges 1 RM float gauge Rod brass MTO ST160RM For radial and axial 2 Cubic float gauge Rod aluminum MTO ST160 For radial 3 Cylindrical float gauge Rod aluminum MTO ST160 TT For radial angled 15 30 45 ...

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Page 16: ...t An den Drei Hasen Messko Platz 1 61440 Oberursel Germany 49 0 6171 6398 0 49 0 6171 6398 98 messko info reinhausen com www reinhausen com messko 5784996 00 EN MESSKO MTO F0355500 02 18 Messko GmbH 2018 THE POWER BEHIND POWER ...

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