Overall Dimensions; Material Of Construction; Screw Torque Specifications; Meter Accuracy - Landis+Gyr 750 Installation, Commissioning And Maintenance Manual


Pulse Ready Meter: All meters are fitted with a
magnet in the last index wheel and hence each
meter is pulse retro fittable in the field 1 pulse / 10
lts.

Pulse Output Module: 10 litres per pulse using
IN-Z41 pulse module.

Weight: 2.7 kg ( 5.95 lb. ).

OVERALL DIMENSIONS

MATERIAL OF CONSTRUCTION

For more details refer to Document Number 750004 :
Model 750 Material, Weight and Recyclability.
Table 1 : Materials of Construction
Housing Diecast Aluminium
Centre Block PBT - polybuylene terephthalate
Grid & Valves PF - Phenoplastic
Diaphragm Steel
Plates & Pans
Rods, Shafts Steel
Valve Guide Steel
Diaphragms Moulded PET and Elastomer
© Landis+Gyr
Due to continuous product development the details above are subject to change without notice. Whilst Landis+Gyr has taken all reasonable
care in reviewing the information in this document, Landis+Gyr makes no representations in respect of, gives no guarantees or undertakings in
relation to, and to the maximum extent permitted by law, excludes all warranties in relation to, the accuracy or completeness of the information
in this document. Prospective users of this information should make their own enquiries as to its accuracy and reliability.
Installation, Commissioning and Maintenance Manual
Material
Model 750 Gas Meter
Index window
Red Security
Seals
O Ring Seals
Screws

SCREW TORQUE SPECIFICATIONS

Table 2 : Torque Specifications for Screws
Part Number
Top Case Screws
p/n 610019 Qty 4
Tapping Point Screw
p/n 204006 Qty 1
Index screws
p/n 750021 Qty 4

METER ACCURACY

Model 750 Accuracy Curve
5
4
3
2
1
0
-1
-2
-3
-4
-5
0 1 2
The 750 is built for a service life of many years and to
an initial accuracy of better than +/- 0.75% error.
Table 3 : Accuracy Band
Flow Rate
0.01 m3/hr
0.030 m3/hr
0.12 m3/hr
1.2 m3/hr
6.0 m3/hr
PC - UV Stabilised
Polycarbonate
POM - polyoxymethylene,
commonly called acetal
Nitrile Rubber
Carbon Steel with Molybond
Coating
Torque in Nm
4.5 – 5.0
1.5 – 2.0
1.5 – 2.0
3 4 5
Flow Rate Sm3/hr
Accuracy
( % Error )
+/- 5%
+/- 3%
+/- 1.5%
+/- 1%
+/- 1%
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17-May-2016
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