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Zefon Escort ELF Sampling Pump
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Zefon Escort ELF Sampling Pump

The patented Escort ELF Sampling Pump can be used for personal and area sampling. An internal secondary standard calibrates the pump continuously and needs to be checked against a primary standard only once a month (or every 200 hours for coal mine dust sampling).
The state-of-the-art electronic laminar flow sensor, consisting of a laminar flow element and pressure sensor, provides a constant flow (volume) control, with +/- 2.5% regulation of flow rate (from 1 to 3 lpm) and automatic compensation for changes in battery voltage, temperature, altitude and sample load.
  • Patented electronic laminar flow control
  • Internal secondary standard calibrates the pump continuously
  • Check against a primary standard only once a month or every 200 hours for coal mine dust sampling
  • Inlet filter traps moisture and particular matter
  • Stainless steel-filled plastic case provides EMI/RFI protection
  • Rated IP66 for resistance to water and dust ingress
  • Exceptionally quiet operation
  • Optional Flow-Fault Indicator shows any sample inlet blockage
  • Run/Hold feature allows “timeout” during the sampling process
  • Elapsed time readout and low-battery warning
  • Low flow and dual tube sampling available with Gemini Twin-Port Sampler
Competitive Advantages
  • Patented “Laminar Flow” control permits the best accuracy in the business
  • Requires calibration only once per month or once every 200 hours for MSHA applications
  • “Key Pad” design allows adjustment of flow rates without tools or a potentiometer
  • Lightweight – only 19 ounces
  • Very durable design
  • Resolution display is .1 lpm in standard mode, .01 lpm in calibration mode
  • 3 gaskets provide superior protection against water and dust ingress
  • Tamper-resistant door restricts access to adjustment keys
  • Designed for use with many different sampling accessories
  • Extremely easy to use

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The ecommerce webshop is operated by Accurate Instruments (NZ) Ltd.
Based in Auckland, Accurate is one of the few 100% New Zealand owned and operated safety instrumentation companies in New Zealand today. This is in a market dominated by larger foreign owned companies, yet we continue to operate as a strong independent supplier to the NZ market.




 0800 500 380

192 Marua Road
Mt Wellington
Auckland 1051

4 Avenger Crescent
Christchurch 8042