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Kestrel 842 4200 Pocket Air Flow Tracker - Safety Orange Kestrel Pocket Weather Meter
Authorized Dealer
Like the 4100, the Kestrel 4200 has taken the calculations and guess-work out of air flow measurements with automatic air flow readings. The convenient averaging mode ensures accurate CFM readings in any airflow or duct size and shape. The Kestrel 4200 measures relative humidity, dewpoint, wet bulb temperature and heat stress index as well as the humidity ratio—and the patented dual chamber humidity sensor assures fast and accurate readings in any environment more ...
Health Products > Wind and Weather Meters > Air Flow/Weather Trackers
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Kestrel 842 4200 Pocket Air Flow Tracker - Safety Orange
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Price: $259.00


In Stock - Ships within 24 hours

Optional Accessories

View Features

SKU: 842

Features

Tired of cumbersome equations to calculate CFM?

Like the 4100, the Kestrel 4200 has taken the calculations and guess-work out of air flow measurements with automatic air flow readings. The convenient averaging mode ensures accurate CFM readings in any airflow or duct size and shape. For immediate and accurate air flow readings, simply:

  1. Enter the duct shape and dimensions.
  2. Hold the 4200 in the air flow.
  3. Volume air flow readings are displayed... no calculator required!
Innovative Design and Features

The Kestrel 4200 makes HVAC technicians jobs even easier with automatic wet bulb temperature and humidity ratio readings. Of particular interest to dehumidification professionals, the Kestrel 4200 measures relative humidity, dewpoint, wet bulb temperature and heat stress index as well as the humidity ratio—and the patented dual chamber humidity sensor assures fast and accurate readings in any environment. This multi-functional precision instrument also measures: volume air flow, air velocity, barometric pressure, altitude, wind chill, heat stress index, temperature, relative humidity and dewpoint, either ambient or in any accessible airflow.

Easy-to-Use Data Logging & Computer Upload

The Kestrel 4200 air flow meter features a powerful data logger that records 1600 sets of measurements at user-selectable time intervals (over 2 years of data can be recorded). Logged data can be reviewed with the 4200’s on-screen graphing capabilities, or uploaded to a PC for in-depth review. The optional Kestrel Interface and accompanying Kestrel Communicator software makes long-term storage, in-depth analysis and detailed charting of stored data a breeze.

With on-screen customization, the 4200 can truly be personalized for every technician. Easy set-up screens allow the unit to display only relevant readings, and hide screens not related to the job. Plus the Kestrel’s user screens group pertinent information on one easily referenced screen.

NIST-Traceable Accuracy

Don’t let the inexpensive price tag fool you — the Kestrel 4200 is as accurate as instruments costing far more. Every Kestrel is individually calibrated to NIST-traceable standards and comes with a free Certificate of Conformity. (Individual NIST certificates and recalibration are also available.) Consider the 4200’s hold and averaging functions, and it’s the only instrument HVAC technicians need to perform a variety of jobs.

Kestrel 4200 Measures
  • Volume air flow in cfm, L/s, m³/s, m³/m, m³/h
  • Air velocity (current, average, and maximum)
  • Heat stress index
  • Windchill
  • Relative humidity
  • Dewpoint
  • Temperature in °F or °C
  • Humidity ratio
  • Barometric pressure
  • Wet bulb temperature
  • Altitude
  • Density altitude
Kestrel 4200 Features
  • Waterproof and floats
  • Backlight for low light conditions
  • Data Logger (automatic and manual)
  • Customizable data storage - 1600 data points
  • Minimum, Maximum and Average values
  • Multi-Function 3-line display
  • Data charting
  • Humidity sensor can be recalibrated in the field with our Relative Humidity Calibration Kit.
  • User-replaceable impeller
  • Flip-top impeller cover
  • Upload to a computer (with optional interface)
  • Five languages (English, French, Spanish, German, and Italian)
  • US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074
  • 5-year warranty
  • Assembled in the USA
Kestrel 4200 Includes
Weight: 0.50 lb

* within the 48 continental US States



Optional Accessories
Kestrel 801 Replacement Impeller

$19.00



Replacement impeller for all Kestrel models.

Kestrel 802 RH Calibration Kit

$99.00



The RH calibration kit includes the following items:

  • three clear, sealable containers
  • one container with magnesium chloride solution
  • one container with sodium chloride solution
  • two wooden scrapers
  • an insulated carrying case to hold all of the above and maintain a stable environment while performing calibration

The large container is used to create a stable environment. The small containers are used to hold the saturated salt solution. The saturated salt solutions generate well-defined humidities when they are confined to a contained environment.

Kestrel 792 Collapsible Tripod - Black

$89.00



A tripod fitted with the same Kestrel friendly clamp as on our mini tripod. Will accommodate any Kestrel model. Or remove the clamp to attach the Vane Mount. The 5 section twist and pull assembly extends to 51" and collapses to a mere 14". Weighing only 1.7 pounds, this tripod is the perfect companion on any trip!

Kestrel 807 Mini Tripod w/ Carrybag - Black

$25.00



Clamp any Kestrel into this sturdy but lightweight tripod to take readings in the field. The tripod’s legs extend to permit a maximum height of 10", and a minimum of 6". Ultra-compact and portable, it folds to just 7.5” and weighs 4.8 oz. For further options, the top clamp detaches and is compatible with any tripod with a standard tripod mount (1/4" 20 thread fitting). Comes with a padded carry pouch.

Kestrel 793 Tripod Clamp - Black

$25.00



Kestrel Tripod Clamp. Holds any model Kestrel. Attaches to any standard tripod

 
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All other inquiries, please phone 718-339-6212
FAX 718-336-5570

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