Zefon Escort ELF Personal Air Sampling Pump :: Zefon Personal Air Sampling Pumps :: Personal Air Sampling Pumps :: Sampling Pumps & Calibrators :: Zefon International, Inc.
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Zefon International, Inc. :: Sampling Pumps & Calibrators :: Personal Air Sampling Pumps :: Zefon Personal Air Sampling Pumps :: Zefon Escort ELF Personal Air Sampling Pump

Zefon Escort ELF Personal Air Sampling Pump  
Zefon Escort ELF Personal Air Sampling Pump 
Printable version

Escort ELF air sampling pumps feature a state of the art electronic laminar flow sensor to provide a constant flow control with ± 2.5% regulation of flow rate (from 1-3 lpm) with automatic compensation for changes in battery voltage, temperature, altitude, and sample load. An internal secondary standard calibrates the pump continuously and needs to checked against a primary standard only once per month (or every 200 hours for coal mine dust sampling).

Features:

  • Patented electronic laminar flow control.
  • Internal secondary standard calibrates the pump continuously, maintaining OSHA compliance.
  • 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 IP65 for resistance to water and dust ingress.
  • Exceptionally quiet operation.
  • Flow-Fault Indicator shows any sample inlet blockage.
  • Run/Hold feature allows “time out” during sampling process.
  • Elapsed time readout and low-battery warning.
  • Low flow and dual tube sampling available with Gemini Twin-Port Sampler.
  • 2 Year Warranty.

Approvals

  • NIOSH certified for coal mine dust sampling (TC-74-030)
  • MSHA certified as intrinsically safe for underground use (Approval # 2G-3924-1).
  • UL approved as intrinsically safe for use in hazardous locations, Class I, Groups A, B, C, D; Class II, Groups E, F and G; Class III, Division I locations.
  • ATEX Approved models available. Contact Zefon or your Zefon distributor for details.
  805563 Escort Elf 5 Pack Kit
805563 Escort Elf 5 Pack Kit

 

Specifications

Operating Flow Control
Volumetric flow rate held within ± 2.5% of set-point over the 1-to-3 lpm operating range (± 5% to 0.5 lpm), with automatic compensation for battery voltage, altitude, temperature and sample load changes.
Flow Rate
Flow rate adjustable between 0.5 and 3 lpm; lower flow rates attainable (to 1 mlpm) with optional Gemini Twin-Port Sampling accessory.
Flow Indication
Liquid Crystal Display provides 0.01 lpm resolution.
Operating Range
30 inches of water load up to 2 lpm and 10 inches up to 3 lpm.
Flow Blockage Detection
Flow-Fault LED comes on immediately when block is detected. Pump shuts down within 90 seconds if block is not cleared.
Elapsed Time Readout
To 999 minutes in increments of 1 minute. Holds the last reading after either fl ow blockage or low battery shutdown and when pump is off or in hold mode.
Operating Time
Varies with flow rate and sampling device loading.
Operating Temperature Limits
32°-113°F (0°-45°C)
Physical Weight 23 oz. (652 gm), with battery pack.
Dimensions
2.25” D x 4.25” H x 4” W
(5.7 cm x 10.8 cm x 10.2 cm), with battery pack.
Power Supply
4.8-volt battery pack of four NiMH cells. (Units Mfg before Oct 2011 contain NiCd cells)
Battery Pack Capacity
2.8 amp hours (NiMH version), 2.4 amp hours (NiCD version)
Battery Pack Recharge Time
14-16 hours (overnight) with Omega™ Charger.
Typical Battery Pack Life
300 or more charging cycles



Technical Papers Available


Escort ELF Laminar Flow Technical Paper
Effect of Altitude, Sample Port Inlet Loading, and temperature on the Volumetric Flow Rate of the Escort ELF Constant Flow Rate Pump


Additional Information Available


Escort ELF Air Sampling Pump Product Data Sheet
Escort Air Sampling Pump Pricing and Configuration Guide
Coal Mine Sampling Equipment Product Data Sheet
Escort ELF Air Sampling Pump User Manual
Escort Single Charger Manual
Escort 5 Station Charger Manual
Gemini Twin Port Sorbent Tube Accessory Manual


 
 
Details
 
Manufacturer Zefon International
U/M Each
Stock Status Normally ships within 24 Hours

Product Price Order

  Escort ELF Single Pump Kit, No Charger
  Product #: 805558

$995.00  

  Escort ELF Single Pump Kit, 120V
  Product #: 805560

$1083.00  

  Escort ELF Single Pump Kit with Gemini, 120V
  Product #: 805559

$1325.00  

  Escort ELF Oil Mist Sampling Kit, 120V
  Product #: 711585

$1193.00  

  Escort ELF 5 Pack Pump Kit, 120/240V
  Product #: 805563

$5602.00  

  Escort ELF 5 Pack Pump Kit with Gemini, 120/240V
  Product #: 711396

$6812.00  

  36" Sampling Line
  Product #: 456226

$26.00  

  Inlet Filter Replacement, Each
  Product #: 802897

$26.00  

  Inlet Dust Filters, 5/pk
  Product #: 808935

$5.00  

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All products and prices posted are valid for sale in the USA only
If you are not from the USA, CLICK HERE to locate
an Authorized Zefon Distributor in your area.
 

Accessories & Related Products  

Zefon Escort Pump Battery Pack

 

Zefon Omega Single Battery Charger

 

Zefon Omega 5 Pump Battery Charger

 

Zefon 10mm Nylon Dorr-Oliver Cyclone

 

Gemini Twin Port Sorbent Tube Sampler

 

Coal Dust Sampling Cassettes, MSHA Mandated Sampling

 

Escort Pump Repair and Calibration

 

Leather Protective Case for Escort Sampling Pump

 

Metal Luer Adapters

 
 
 
 
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An ISO 9001-2008 Certified Company