It’s everything you expect from Mesa. Liquid-free precision, delivered instantly. The DryCal 1020 breaks all the rules of high flow primary gas flow standards. Verify up to 500 standard liters per minute of gas flow – without a bell prover. Its bench-top design measures only 24W” x 30H” x 12D” and weighs just 90 pounds. Transport your DryCal 1020 on a moment’s notice – by hand, or by air freight within a Mesa shipping container. And it gets better. The DryCal 1020 doesn’t require routine maintenance, or replaceable or consumable parts – just factory recalibration once each year. Flexible Ways of Working With the DryCal 1020, your calibration process is flexible – and always ready. Its push-button operation means reliable, reproducible results with minimal user-training, so any staff member can step in and perform precise calibration at any time.