TROX LABCONTROL TFM
Areas of application:
Proper aerodynamic functioning of a fume cupboard must be monitored in accordance with EN 14175-2 by a fume cupboard function indicator. Visual and acoustic alarms must be issued if a malfunction occurs. The Labcontrol TFM monitoring equipment is designed for such applications.
Unit variants:
TFM-1 with integrated measurement of the actual volume flow rate that have to be monitored. The measurement is done by an integral differential pressure measuring device using a differential pressure measuring probe.
TFM-2 with an analogue 0-10V input for the actual volume flow value to be monitored. (Specification of the actual value for the volume flow by the output from a VAV controller, for instance)
The monitoring devices are supplied with a standard operator’s terminal to signal alarms and to activate special operating modes. An AF-1 extended operating terminal is offered as an option for additional functional features.
Scope of functions:
The TFM units are configured by using the TroxMConnect PC software and a serial configuration cable. All alarm settings and connection options can be easily and quickly set and the current volume flow values and reasons for an alarm can be queried.
Proper aerodynamic functioning of a fume cupboard must be monitored in accordance with EN 14175-2 by a fume cupboard function indicator. Visual and acoustic alarms must be issued if a malfunction occurs. The Labcontrol TFM monitoring equipment is designed for such applications.
Unit variants:
TFM-1 with integrated measurement of the actual volume flow rate that have to be monitored. The measurement is done by an integral differential pressure measuring device using a differential pressure measuring probe.
TFM-2 with an analogue 0-10V input for the actual volume flow value to be monitored. (Specification of the actual value for the volume flow by the output from a VAV controller, for instance)
The monitoring devices are supplied with a standard operator’s terminal to signal alarms and to activate special operating modes. An AF-1 extended operating terminal is offered as an option for additional functional features.
Scope of functions:
- 2 volume flow monitoring values with the following configuration options: - Delay time until alarm is triggered following a value threshold being passed - Duration of the acoustic alarm - Alarm passed via the alarm relay, e.g. to the building management system (BMS)
- Monitoring of the front sash opening (>500mm) with visual alarm and optional acoustic alarm
- Disabling the monitoring function, e.g. for night-time operation
- Signalling of a power failure in the monitoring system by a visual indicator in the operating terminal and/or by relay contact to the building management system
- Control switch for switching fume cupboard lighting on or off
- Visual display of service interval (only with optional control panel AF-1)
- Control elements for operating a sash window closing unit (only with optional control panel AF-1)
The TFM units are configured by using the TroxMConnect PC software and a serial configuration cable. All alarm settings and connection options can be easily and quickly set and the current volume flow values and reasons for an alarm can be queried.
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