Based upon our observations, the test solution is completely shelf-stable and will not lose efficacy over time.

I found this helpful (0)

Inaccurate? (0)

Answered by Anonymous

The PosiTest AIR includes a dome test chamber. No other test chamber configurations are available from DeFelsko.

I found this helpful (0)

Inaccurate? (0)

Answered by Anonymous

The PosiTest AIR arrives fully calibrated and ready to measure. A long-form Certificate of Calibration showing traceability to a national standard is included at no additional expense. For organizations with re-certification requirements, the PosiTest AIR may be returned at regular intervals for calibration. DeFelsko recommends that our customers establish their instrument calibration intervals based upon their own experience and work environment. Based on our product knowledge, data and customer feedback, a one year calibration interval from either the date of calibration, date of purchase, or date of receipt is a typical starting point.

I found this helpful (0)

Inaccurate? (0)

Answered by Anonymous

No. Our instruments are designed for simple operation, feature easy-to-use menus, both full and quick instruction manuals, and helpful videos. In lieu of demonstration models, we provide unlimited technical support via telephone and/or email, and a limited 30-day money back guarantee.

I found this helpful (0)

Inaccurate? (0)

Answered by Anonymous

The included solution is suitable for use in temperatures ranging from -10° C to 65° C. Low temperature fluid is available as an accessory item and is suitable for use between -20°C and 65°C.

I found this helpful (0)

Inaccurate? (0)

Answered by Anonymous

DeFelsko recommends the use of PosiTest AIR Test Solution only. Dish soap and other common soapy liquids don''t have the necessary viscosity and formulation to reliably create visible bubbles when encountering the types of air leaks that the instrument is designed to detect. Using such non-specific liquids may result in building envelope air leaks being missed. They also don''t comply with the ASTM E1186 standard as they will form bubbles when applied to the are being measured. Extensive research and development went into the formulation of our PosiTest AIR Solution. This proprietary high viscosity formulation ensures... • air bubbles properly form and are visible when an air leak is present - leaks don''t get missed! • air bubbles don''t form when solution is applied to test area (in compliance with ASTM E1186) • optimal results when measuring on vertical surfaces - test solution doesn''t flow away from the test area • proper test solution performance in cold environments down to -10° C/14° F (low temperature solutions available for measuring down to -20° C/-4° F

I found this helpful (0)

Inaccurate? (0)

Answered by Anonymous