Defender 510 air sampling pump calibrators available from Allara Instrument Hire

The Defender 510 air sampling pump calibrator, available from Allara Instrument Hire , uses the Bios DryCal technology. The Defender 510 air sampling pump calibrator is hired to determine the flow rate of sampling pumps and sampling trains. The Defender 510 air sampling pump calibrator has the following features:

• Interior shock absorbers for field use
• Improved internal valve design for reliability
• Large illuminated flow cell viewing window
• Large illuminated graphical display with zoom feature
• Auto shut-off
• Menu-driven system for complete reading flexibility
• Easy menu system allows user to select single, continuous (hands-free), or time interval readings
• Flow unit display: - ml, L, cc, or cfm
• Number of readings in an average: up to 100
• Time interval between readings: 1 to 60 minutes
• Choice of two flow ranges: 5 to 500ml and 50ml to 5l
• Accurate and repeatable
• Laboratory accuracy certified by NIST through NVLAP and backed by ISO 17025 accreditation
• Volumetric accuracy (510 and 520 models): 1% of reading