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TELEDYNE API 751 Portable Zero Air Generator (TAPI)

Categories: Gases, Calibration Equipment,

The Model 751 is a fully self-contained portable source of clean, dry air for use with dilution calibrators. It removes particulate and potential interferents from ambient air to create zero air suitable for calibration. It can also be used to provide purge air for permeation tube ovens. Portable flow on demand Zero Air, dried, filtered and scrubbed to produce the best zero air on the market with minimal maintenance and the most stable analyser zeros. Relative Humidity indicator to ensure readiness to zero.

  • Portable — under 25 lbs. ready to use
  • Rugged, hand carried case
  • Dew point indicator
  • Silica gel dryer for dew point of -20ºC
  • Easy disassembly for routine maintenance
  • Two-year warranty.


Ambient Monitoring

Laboratory & Scientific


Model 751 Specifications
Output SLPM at 30 psig
Max Delivery Pressure 30 psig
Dew Point Less than -20ºC (until desiccant saturated)
Output Concentration SO2 < 0.1 ppb
H2S < 0.1 ppb
NO < 0.1 ppb
NO2 < 0.1 ppb
NH3 < 0.1 ppb
O3 < 0.1 ppb
CO < 20 ppb (requires CO scrubber option)
Compressor Single-cylinder, internal long-life, oil-less piston pump
Power Requirements 110V-120V, 60Hz (105W)
220V-240V, 50Hz (130W)
Operating Temperature Range 5 – 40ºC
Dimensions (HxWxD) 7” x 18.5” x 14” (178 x 470 x 356 mm)
Weight 24 lbs (10.9 kg)
Specifications subject to change without notice. All specifications are based on constant conditions.

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Paul Thomson

Hi there, I'm Paul. I started Thomson Environmental Systems over 21 years ago and am still the Managing Director. I look after our excellent customer service team and our VIC, NZ and overseas customers. If there's something I can help you with, please call me at the Sydney office on 02 9526 8199 or send me a message and myself or your local sales support will be in touch shortly!

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