This item is now discontinued. View the direct replacement: EW-23029-81 or browse similar items

Extech RH520A Humidity / Temperature Chart Recorder

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Extech Mfr # RH520A – Item # EW-37803-27
Ideal for monitoring controlled environments such as food processing, clean rooms and storage areas.
  • Stores up to 49,000 readings with date and time
  • Adjustable stand allows for wall mount or desktop placement
  • Detachable probe extends up to 3 feet for measurements in closed environments

SPECS & DESCRIPTION

Specifications & Description

  • Min RH Range (%)10
  • Max RH Range (%)95
  • RH Accuracy±3% RH
  • RH Resolution (%)0.1%
  • Min Temperature (° F)-20
  • Min Temperature (° C)-28
  • Max Temperature (° F)140
  • Max Temperature (° C)60
  • Temperature Accuracy±1.8°F (±1.0°C)
  • Temperature Resolution0.1°
  • Display TypeLCD
  • BatteryAA Battery (3)
  • Power (VAC)120
  • Height (in)5
  • Width (in)7 3/4
  • Depth (in)7/8
  • DescriptionHumidity / Temperature Chart Recorder

Key Features

  • Stores up to 49,000 readings with date and time
  • Adjustable stand allows for wall mount or desktop placement
  • Detachable probe extends up to 3 feet for measurements in closed environments

More About this Item

Paperless chart recorder provides simultaneous digital and graphical display of relative humidity and temperature. The display also shows dew point, date and time, and min/max measurements. The update time can be selected from 0.1 minute to 33 hours. Stores up to 49,000 complete time-stamped reading sets, which can be recalled on the graphical display or downloaded onto a PC with the included RS-232 cable and software. Provisions for wall mounting or the control panel can swivel to act as a desk stand. The user can set audible and visual alarms with high and low limits for humidity and temperature. Optional relay (37803-28) can be used to activate an external warning device.
Whats Included: Detachable probe with 3’ cable, RS-232 cable, software, 120VAC adapter, and three AA batteries.

ACCESSORIES

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REVIEWS

Q&A

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1 Question | 1 Answer
Displaying question 1
  • Q:

    DO YOU SELL SPARE PARTS FOR THIS INSTRUMENT. LOOKING FOR THE DETACHABLE PROBE.
    Asked on 10/18/2010 by SOUTHERN SYSTEM LTD. from SAN FERNANDO, TRINIDAD

    1 answer

    • STAFF EXPERT

      A:

      The part number for the replacement probe is 23029-82.

      Answered on 10/19/2010 by Mike from Tech Support
Displaying question 1

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