Mear Industrial Central Heating Calculator

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Country of manufacture: England,            Date of manufacture: ____
Diameter: 19.5 cm,      Weight: 191.8 gms
Materials: all plastic
Scales: numerous, specialty
Front
     Outer Disk: Heat Requirements or Heat Emission, Radiator Surface Area, Kilowats, Flow, Provisional Pipe Bore, Length of Pipe, Flow, Pressure Loss
     Inner Disk: Radiator Type (Emissions), Temp Differential, Temp Difference (flow to return), Pressure Loss, Type of Pipe, Type of Insulation, Nominal Bore of Pipe, Boiler Size, Instructions for Use, Nominal Bore of Pipe, Actual Length of Pipe
Back
     Outer Disk: Heat Loss, Length of Wall, Floor, Ceiling, etc., Area
     Inner Disk: Height of Wall or Width of Floor, Infiltration Factor or Heat Transmittance Coefficient, Heat Transfer or Height of Room
     Cursor: Total Air Changes, Air Changes per Hour, Temperature Difference, Instructions for Use
Condition: C0 (Mint w/all extras in mint condition)
Came with: Red plastic slipcase w/snap closure, instruction booklet

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