Spirax-Sarco Gas Flow Computer M800

The M800 gas flow computer receives signals from various pipeline transmitters and converts them to display flowrate, total flow, pressure and temperature. The flow computer operates with Gilflo, ILVA, linear flowmeters, vortex and orifice plates. The M800 can provide density compensation for saturated and superheated steam with suitable inputs from pressure an d / or temperature transmitters. Panel and wall mounting versions are available.

Operator settable alarm limits are provided to give a warning when the flowrate, temperature or pressure goes above or below specified limits. These alarms are indicated on a graphic display and can be transmitted via 2 relays (see 'Options' below). A digital pulsed output is provided as standard to signal mass or energy (per pulse).

A 4-20 mA analogue output channel is also provided to enable re-transmission to a chart recorder or BMS system of the flowrate.

The M800 also comes with four independent timers, which are capable of recording the total flow and peak flow with the time of occurrence within a settable period of time. A customer selectable security code is provided to avoid casual tampering.

The M800 steam flow computer is available with either panel or wall mount connections that can operate with:

• Gilflo, ILVA, DIVA flowmeters.
• Vortex, Spiraflo and orifice plate pipeline units.

The M800 can provide density compensation for saturated and superheated steam with suitable inputs from pressure and / or temperature transmitters and will display:

• Totalised flow
• Flowrate
• Temperature
• Pressure

The M800 can also be used for heat metering applications to measure the mass and temperature of saturated steam flow into a process, and the temperature of condensate flowing out. The net energy consumed by the process can then be calculated and displayed in terms of net power.

Operator settable alarm limits are provided to give a warning when the flowrate, temperature or pressure goes above or below specified limits. These alarms are indicated on a graphic display and can be transmitted via 2 relays (see 'Options' below). A digital pulsed output is provided as standard to signal mass or energy (per pulse).

A 4-20 mA analogue output channel is also provided to enable re-transmission to a chart recorder or BMS system of the flowrate or net power.

The M800 also comes with four independent timers, which are capable of recording the total flow and peak flow with the time of occurrence within a settable period of time. A

customer selectable security code is provided to avoid casual tampering.