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Paperless Humidity/Temperature Chart Recorder

Item# RH520

Paperless Humidity/Temperature Chart Recorder RH520 RH520
  • Simultaneous Numerical and Graphical Display of Humidity and Temperature Readings, Plus Time and Date
  • Measures Humidity (10 to 95% RH) and Temperature (-20 to 140°F) Plus Included LabVIEW™ Based Software—Calculates and Graphs Dew Point, Wet Bulb, and GPP (Grains per Pound)
  • Large Dual Graphical LCD with Adjustable Vertical and Horizontal Settings
  • Internal Memory Records up to 49,000 Data Points
  • LCD Indicates Percentage of Memory Remaining
  • Replaceable Probe Does Not Require Recalibration
  • Detachable Probe Extends up to 1 m (3.3') for Measurements in Closed Environments
  • Audible and Visual Alarm with Hi/Low Setpoints
  • Output Socket Used with Optional External Alarm Module
  • Scroll the Cursor to Display Selected Data Recorded
  • Desk or Wall Mount Applications
  • Monitor and Record Laboratory or Clean Room Temperature and Humidity History
  • Record Process Conditions
  • Generate Warning When Conditions are Outside Required Limits
  • Monitor Controlled Environment Areas Such as Freezers, Storage Areas and Other Critical Areas
  • Store Humidity and Temperature Historical Data for Report Generation
Display Type
Measurement Type
Number of Inputs
Number of Outputs
Output Type
 This item is available for quick shipping
Quantity Price each
1-4 $325.00
5-9 $308.75
10-24 $302.25
25-49 $289.25
50-99 $282.75
100+ $276.25

In stock

Lead Time ( If not in Stock): 4 weeks

Product Specs

  • Display Type LCD
  • Form Factor Desk or Wall Mount
  • Maximum Ambient Humidity 95%
  • Maximum Ambient Temperature 60 {C} (140 {F})
  • Minimum Ambient Humidity 10%
  • Minimum Ambient Temperature -28 {C} (-20 {F})


The environmental paperless monitor provides PC-based remote surveillance of environmental conditions in critical HVAC applications such as computer server rooms, clean rooms, laboratories, museums, warehouses, or any remote facility. View and record temperature and relative humidity. Data points can be transferred to PC via RS232 serial port for further analysis. The remote (detachable) probe senses the ambient conditions while the LCD graphs and provides numerical representation of the readings. Programmable audiovisual alarms alert the user when ambient conditions reach alarm presets. The optional alarm module permits automatic relay switching when alarm presets are reached. The software is a full-featured program that allows you to set up all data logger functions including sampling rate, logging duration, start mode, logging mode, and high and low temperature alarm values.

  • CE Icon CE

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