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We've run these against our own QC benchmarks for years, and the 170±10 ml/min test speed is where it catches inconsistencies—your clamp force stays above 690 kPa even on thinner board, so results don't drift between operators.
Most buyers go with the 0-100 kg/cm² range, which covers carton stock up to heavy corrugated, though if you're regularly testing multi-wall or pressboard, you'll want the 250-5600 kPa presure range for the upper end.
It automatically cycles through a test, holds at burst, and shows the reading on the digital LCD—no manual valve flipping or guesswork about when to stop, which cuts retesting by quite a bit in our experience.
And our company can adjust test opening diameter to 31.5±0.05 mm if you request it at quoting, but standard ships with teh 31.5 mm aperture already calib ISO 2759 and TAPPI T403.
The stainles steel SUS304 platen is easier to wipe down after a day of kraft or recycled board testing, though one heads-up: it runs on AC220V±10%, 50Hz, so confirm your shop power—if you're on 110V, you'll need a step-up transformer.
Warranty is one year from ship date, but typical lead is 20 working days or so once we've locked the spec sheet, and we'll send the COA with the unit if you need it for your audit trail.
We typically ship single units for testing labs, but if you need multiple, just let us know your quantity and we'll work out the best pricing.
Yes, each HD-A513-B comes with a factory calibration certificate traceable to national standards. We can also supply additional documentation like material certificates for SUS304 if your QA team requires it.
The standard opening is 31.5±0.05 mm to match ASTM and ISO methods, but we can adjust the diameter for non-standard samples on request—just tell us your exact requirement before ordering.
For standard units, lead time is around 15-20 working days. If you need custom clamping force or a different test opening, add about 5-7 days for modification.
We ship it in a wooden crate with foam padding. For storage, keep it in a dry, clean environment at room temperature, and cover the stainless steel parts to avoid dust buildup.
