Reed Instruments

Thermo-Hygrometer, 0% - 100% RH, -4° - 140° F ( -20° - 60°C )

Model: IA441

Mfr. No.: R6001

  • Thermo-Hygrometer, 0% - 100% RH, -4° - 140° F ( -20° - 60°C ) Air Extreme Inc.

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Please check your product description carefully before placing your order.

$179.00 / Each

0 In Stock

Ships June 2026

Shipping times are based on information available at the time of order and are subject to change.


Carrying Cases, Soft Case Air Extreme Inc.

Reed Instruments

Carrying Cases, Soft Case

  • Outside Depth: 2"
  • Outside Length: 9"
  • Outside Width: 4"

Model: HN416

Mfr. No.: CA-05A

$32.00 / Each

0 In Stock

Ships in 1-2 days

Shipping times are based on information available at the time of order and are subject to change.


Humidity Calibration Standard, 75%  Air Extreme Inc.

Reed Instruments

Humidity Calibration Standard, 75% 

Model: IB915

Mfr. No.: R9975

$99.00 / Each

0 In Stock

Ships in 5-8 weeks

Shipping times are based on information available at the time of order and are subject to change.


Humidity Calibration Standard, 33%  Air Extreme Inc.

Reed Instruments

Humidity Calibration Standard, 33% 

Model: IB914

Mfr. No.: R9933

$99.00 / Each

0 In Stock

Ships in 5-8 weeks

Shipping times are based on information available at the time of order and are subject to change.


Humidity Calibration Kit (33% and 75%) Air Extreme Inc.

Reed Instruments

Humidity Calibration Kit (33% and 75%)

Model: IB916

Mfr. No.: R9980

$189.00 / Each

0 In Stock

Ships in 7-10 days

Shipping times are based on information available at the time of order and are subject to change.

Humidity Range

0% - 100% RH

Temperature Range

-4° - 140° F ( -20° - 60°C )


  • Thermo-Hygrometer
  • Dual LCD readout shows ambient temperature and relative humidity
  • User selectable °F/°C
  • Min/Max memory for both functions
  • Data hold and relative functions
  • Auto power off
  • Includes battery
  • Humidity Range: 0 to 100% RH
  • Temperature Range: -4 to 140°F (-20 to 60°C)