Kestrel 4400 Heat Stress Tracker 6 1/2" x 2 3/8" x 1 1/8" (165 x 59 x 28 mm)

• • Provides waterless WBGT measurement
  • Measures WBGT, thermal work limit (TWL), wind speed, temperature, wind chill, and many other related parameters
  • Data logger (automatic and manual) stores, recalls, and downloads for later analysis and graphing
  • Data download through available IR cradle accessory or
  • Data download wirelessly with bluetooth model
  • Waterproof case

What's Included:
Protective transport case, vane mount, and two AAA batteries

Specifications
Product Type		Heat Stress Vane Anemometer
Temp resolution		0.1°F/C
Temp range		-20.0 to 158.0°F (-29.0 to 70.0°C)
Temp accuracy		0.9°F (0.5°C
Model		4400
Qty/ea		1
RH range		5 to 95% non-condensing
RH resolution		0.1 %
RH accuracy		3%
Manufacturer number		0844
Brand		Kestrel
Operating conditions		14 to 131° F (-10 to 55°C)
Sampling time		1 second
Display		Multifunction, multi-digit monochrome dot-matrix display
Output		Requires optional PC interface (USB or RS-232) and provided software
Logging intervals		Auto-store settable, 2 seconds to 12 hours, overwrite on or off
Velocity range		118 to 7,874 ft/min (0.6 to 40.0 m/s)
Velocity resolution		1 ft/min (0.1 m/s)
Velocity accuracy		Larger of 3% of reading, least significant digit or 20 ft/min (0.10 m/s)
Barometric pressure range		8.86 to 32.49 inHg (300.0 to 1100.0 mbar)
Barometric pressure resolution		0.01 inHg (1.0 mbar)
Barometric pressure accuracy		0.03 inHg (0.1 mbar)
Altitude range		-6000 to 30,000 ft (-2000 to 9000 m)
Altitude resolution		1 ft (1.0 m)
Dimensions		6 1/2" x 2 3/8" x 1 1/8" (165 x 59 x 28 mm)
Wind chill range		-49 to 257° F (-45 to 125° C)
Wind chill accuracy		±1.8° F (1° C)
Dew point range		15 to 95% RH refer to range for temperature sensor
Dew point resolution		0.1°F/C
Dew point accuracy		3.4°F (1.9°C)
Wet bulb temp (Range)		-20.0 to 140.0°F (-29.0 to 60.0°C)
Wet bulb temp (Resolution)		0.1°F/C
Power		two AAA batteries, average life 400 hours of use reduced by bluetooth radio transmission
Data storage		3600 data points
Housing		MIL-STD-810g, Waterproof (IP67 and NEMA-6)

Accessories

Energizer Regular Alkaline AAA Batteries, 1.5 V, 12/pack
EJH-09376-00

Kestrel 08304USB USB Interface Cradle for 4000 Series Handheld Meters
EJH-10382-08

Kestrel 0802 Relative Humidity Calibration Kit
EJH-10382-12


Kestrel 0801 Replacement Impeller for Kestrel Pocket Instruments
EJH-10382-13


Kestrel 0791 Portable Vane Mount for Kestrel Pocket Instruments
EJH-99152-61

Kestrel 0807 Portable Tripod for Kestrel Pocket Instruments
EJH-99152-62


Kestrel Molle Type Brown Case for Kestrel Pocket Instruments
EJH-99152-64


NIST-Traceable Calibration; Anemometers, Vane-Type

EJH-17101-01

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