TT 690 negative air machine

TT690 is a compact, domestically made negative air machine for renovation sites. This small and lightweight unit is designed for dust control in apartment renovations in spaces under 35 m² (90 m³), providing approximately 6 air changes per hour. Thanks to its light weight and compact size, the TT690 negative air machine is best suited for smaller, tight apartment building sites where one space is depressurized at a time.

Features:
• Infinitely adjustable negative pressure level – the machine’s negative pressure can be set to the desired level, helping to avoid excessive negative pressure while minimizing energy consumption and noise
• Filter condition monitoring – the machine’s orange warning light comes on when about 10% of the filters’ capacity remains, and the red light comes on when the filters’ capacity is fully used up
• An additional device is required for monitoring negative pressure – a separate precision pressure gauge HHPM1 or GDUA logger
• Very easy and effortless to use – start the machine with the switch, adjust the correct negative pressure level with the control knob using the HHPM1 precision negative pressure gauge, and monitor filter condition via the warning lights
• Versatile negative air machine – can be used as an air purifier as is, either inside or outside the renovation area, allowing the space to be depressurized using suction connection ports and hoses. Can also be used as a mixing station with a mixing hood
 

Included in delivery:
• Filters, 1 pc each: G3 pre-filter mat, H13 microfilter
• User manual in Finnish and Swedish

Technical specifications