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Triplett RHT70 User Manual

Hygro-thermometer + ir thermometer
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User Manual
RHT70
Hygro-Thermometer + IR Thermometer

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Summary of Contents for Triplett RHT70

  • Page 1 User Manual RHT70 Hygro-Thermometer + IR Thermometer...

  • Page 2: Meter Description

    Introduction Congratulations on your purchase of the Triplett RHT70 Hygro- Thermometer plus InfraRed Thermometer. This device measures relative humidity, air temperature (with probe), and surface temperature (with the InfraRed function). The large, easy-to-read backlit LCD includes primary and secondary displays plus numerous status indicators. The InfraRed feature includes a laser pointer for convenient targeting.

  • Page 3: Display Description

    Note: The battery compartment, tilt stand, tripod mount, and probe holder removal screw are located on the rear of the instrument Display Description  MAX (top of LCD): Max Hold function engaged for the Air Temperature function  HOLD (top of LCD): Data Hold function engaged for the Air Temperature function ...

  • Page 4: Operation

    Operation Power Press the button to turn power on or off. Probe Humidity and Temperature Measurements 1. Attach the probe to the meter via the jack at the top of the meter. 2. Hold the probe in the area to be tested & allow adequate time for readings to stabilize.
  • Page 5 Automatic Power OFF To conserve battery life the meter automatically shuts off after 10 minutes. C buttons The Air Temperature and the IR Temperature units can be selected by the user. For Air Temperature, press the C button on the bottom left.
  • Page 6 InfraRed Measurement Considerations When taking IR measurements the meter automatically compensates for ambient temperature changes. Note that it may take up to 30 minutes to adjust to extremely wide ambient changes. Low temperature measurements quickly followed by high temperature measurements may require several minutes to stabilize as a result of the IR sensor cooling process.

  • Page 7: Maintenance

    Maintenance Cleaning and storage 1. The meter should be cleaned with a damp cloth and mild detergent when necessary. Do not use solvents or abrasives. 2. Store the meter in an area with moderate temperature and humidity. Battery Replacement The battery symbol appears on the lower right of the LCD when the 9V battery needs to be replaced.

  • Page 8: Specifications

    WARNING: To avoid electric shock, do not operate the meter until the battery cover is in place and fastened securely. NOTE:: If your meter does not work properly, check the fuses and batteries to make sure that they are still good and that they are properly inserted.
  • Page 9 Emissivity Most organic materials and painted or oxidized surfaces have an emissivity of 0.95 (fixed setting in the model RHT70). Inaccurate readings will result when measuring shiny or polished surfaces. To compensate, cover the surface under test with masking tape or flat black paint.

  • Page 10: Warranty

    Triplett / Jewell Instruments extends the following warranty to the original purchaser of these goods for use. Triplett warrants to the original purchaser for use that the products sold by it will be free from defects in workmanship and material for a period of (1) one year from the date of purchase.

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