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Model 1530A Mass Flow Computer Description Dimensions

Indicates mass rate, mass totalization, flow rate,temperature, pressure, and density.Each function can be accessed quickly and easily through a user- friendly menu system and a help key.Unit is equipped with two totalizers, three process inputs, two control inputs, and five alarm outputs. Program protection with password and memory retention in case of power failure.Designed for use with ideal gas , saturated steam, or superheated steam.Use with Aaliant Target Flowmeters. Figure 1 .Model 1530AWMass Flow Computer Figure 2

T ec hnical Inf ormation

Functional Specifications

Power Supply1 phase 50/60 Hz 115/230 VAC +10% - 15%/0.2/0.1 Amps or 18 to 27 VDC/6 Watts max, 0.4 Amps max Accessory PowerOnly if unit is AC powered/24 VDC + 5%/100 mA max TemperatureOperating:32° F to 131° F (0° C to 55° C) Storage:-40° F to 158° F (-40° C to 70° C) Display OutputsOne Rate, Two Total Display digits6 for Rate, 8 for Total, 10 for Grand Total Flow Input Type4-20 mA, adjustable:3.75 to 20.25 mA Impedance100 Resolution 11 bits Accuracy± 0.1 % at 25° C;± 0.25 % over temperature range Response3 Hz Temperature Input Type4-wire RTD or current loop RTD specPlatinum to European alpha 3850 curve Current Loop4-20 mA, adjustable:3.75 to 20.25 mA Impedance100 Resolution14 bits Accuracy+ 0.1 % at 25° C/+ 0.25 % over temperature range Response2 Hz Pressure Input Type4-20 mA, adjustable:3.75 to 20.25 mA Impedance100 Resolution12 bits Accuracy+ 0.1 % at 25° C/+ 0.25 % over temperature rangeResponse2 Hz

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