Digital Refrigerant Gauge - Calibration

Industry tools may fib results when not maintained properly...
In this video, Shane demonstrates how to keep our SMAN 360 digital refrigerant gauge calibrated, giving HONEST RESULTS during field testing for HERS (Home Energy Rating System).
As HERS Raters @ Green Dinosaur, we are required to calibrate our gauges once a month!

[@latam_hitech]

HEY. GREAT VIDEO! CONGRATS AND THANKS FOR USSING FIELDPIECE

[@jimbola77]

thank you for sharing very nice explanation and video!!!!!

[@Badtxv]

good video thanks i have the sman4 i assume it would be the same?

[@GreenDinosaur]

+Corey Cruz
Thank you Corey. Yes, calibration of the SMAN4 pressure and temperature sensors is the same as demonstrated in this video. Just remember that you have an additional VAC port that will also need maintenance. Is should be cleaned occasionally as outlined in the fieldpiece user manual on page 15.
A copy of the manual can be found here: www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwiD-7ivrcXKAhXEFz4KHW8LCkUQFggcMAA&url=http%3A%2F%2Fwww.fieldpiece.com%2Fmedia%2Fmanuals%2FOpman-SMAN4-v25.pdf&usg=AFQjCNFEsT-jNueMv9fQl5jqrdjjRhy8_A

[@robroper143]

Hello I see videos for both R22 and R410a, is it necessary to calibrate for both refrigerants?

[@GreenDinosaur]

Hi Rob! It is not necessary to calibrate using both types of refrigerants. The calibration process is only looking at the temperature and pressure sensors on the gauges. When performing a calibration, the SMAN gauges compare the temperature and pressure sensor readings to an internal PT chart for the selected refrigerant type. Just be sure you have selected the correct refrigerant type on the gauge to match the tank you are using to calibrate and everything should work out OK. One more note, we recommend that you use separate hoses for each type of refrigerant if not a completely separate gauge and hoses for each type of refrigerant you routinely work with. Thanks!

[@rightousish]

Hey why does my highside stay on negative pressure and it says inHg??

[@GreenDinosaur]

It sounds like the central valve is closed preventing fluid going from one side to the other. Check that first.
As far as the readout in inHg, the units can be changed in settings. If you still have issues, feel free to reach out to me directly via email [e-mail]. If needed, we could get on the phone and to try and troubleshoot it.

[@xamander45]

I work with 22 and 410a is it possible to use the same manifold?As of now I use a different manifold for each

[@GreenDinosaur]

Thanks xamander45! As with all manifolds, you would want to be careful when switching between refrigerants. Separate line sets should be used with each refrigerant type and you should be capturing/recovering any refrigerant before switching between line sets. - The Dinos