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Home  >>  Products  >>  Drying Time/Gelation  >>  Gardco Ultrcycle RHT
Gardco Ultracycle RHT

Gardco Electronic Ultracycle RHT Circular Drying Time Recorder with relative humidity and temperature measurement

Conforms to ASTM D5895

RHT 5022 The unit has been designed to control a motor so that its shaft driven 3/8" teflon stylus will complete one rotation in a period which can be programmed from 1 minute to 99 hours, 59 minutes.

The temperature can be displayed in Centigrade or Fahrenheit.




FEATURES USE MORE INFO PRICE LIST
 

 

Features

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  • Programmable timing cycle within range from 1 minute to 99 hours, 59 minutes
  • Microprocessor controlled crystal timing regulation
  • Vastly improved tracking definition
  • Status and Time event count-up displayed on a 16 character LCD
  • Ambient temperature sensor switchable °F or °C with min., max. & current temperature displayed
  • Relative humidity with min, max
  • Auto stop upon completion of time cycle
  • Power failure indicator
  • 100-240V 50/60Hz
Probe

 

Instructions for Use

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Attach the arm and ball assembly to the motor shaft by way of the hex screw. Once tightened to the desired position do not forcefully move the arm and ball position without loosening as this can cause damage for the gearbox assembly.

Apply the coating to your test panel using a Gardco Microm Film applicator or equivalent wet film applicator. Immediately place the Drying time recorder on your test panel and lower the clean 3/8 in. weighted Teflon stylus gently into position. Select the desired drying time and the stylus will then begin to be drawn along the test panel. After the selected time cycle is complete the Drying time recorder will automatically stop.

Probe
Evaluate the test panel using the supplied Time Template to determine the stages of drying time. Place the clear Time Template over the circular area scribed by stylus and note appropriate scale number of minutes or hours required for the film to cure, the character of the track by the 3/8 in. Teflon ball stylus relate to the drying of the film (Reference ASTM D5895). Record the results and if desired, record the temperature, humidity and the wet film thickness as these factors are important in considering the drying time of films.

 

Operating Controls

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On/Off Button
This button operates from any mode. When pressed, the unit will display the Temperature or, "Press Start" and the Green L.E.D. power indicator will light. Pressing the button again will turn the unit off and interrupt any test in progress, including any changes being made to the configuration data.
DTR Controls

Menu Button
Pressing this button will take you into the configuration menus. This can only be done with the unit on and no test running. The new configuration will be stored in memory when this button is pressed so that the display returns to the start test screen. Operating Instructions

Scroll Button
This button only works in the configuration mode. Pressing this button will advance through the hour range. In the operation mode, pressing this button will display relative humidity with min max values of current test.

Start Button
This starts the test. The motor will continue to run and the elapsed time will be displayed until the stop or on/off button is pressed. The Red L.E.D. Motor Run indicator will also light. When the Unit is first powered up, the display will show "Drying Time Recorder" for 5 seconds and then show "Unit Off Press Start".

Stop Button
This stops the test. The motor will stop and the L.E.D. will go out. The elapsed time of the test will be reset. Center timer on test panel making sure the arm is counter-rotated eliminating any play in the clockwise motion of the arm. Make sure the Teflon® ball stylus impinges the painted surface. This is done by adjusting the counter weight at rear of stylus arm to a balanced position. The 12 gram weight is then mounted on the stylus spindle extending above the rotating arm to give a calibrated weight load. Weight load on the ball can be adjusted by operator so that results will closely coincide with the finger touch method of determining drying time.

Program Cycle
Program the desired cycle in minutes via the scroll menu. After drying stage is completed, place the clear, plastic template provided over the circular area scribed by stylus and note appropriate scale number degree required for the film to cure hard dry. Calculate the drying time using the following formula:
DT = (Tc/360) (D)
DT = Drying Time in minutes
Tc = Time Cycle in minutes
D = Degree on template
The character of the marks by the ball stylus relate to the drying of the film. Record the results and if desired, record the temperature and the wet film thickness as these factors are important in considering the drying time of films.
Ambient Operating Conditions: 32°F to 120°F (0-50°C), 5 to 95% humidity (No condensing)
Warranty - 1 Year
Shipping Weight - 7 lbs.

 

Programming

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  1. Press On, the Green LED will energize
  2. Press Menu key to enter
  3. Set hours by pressing the Scroll key
  4. Press Menu key to enter
  5. Set Minutes by pressing the Scroll key
  6. Press Menu key to enter
  7. Select Fahrenheit or Centigrade with the Scroll key
  8. Press Menu key to enter
  9. Press Start
  10. DT-5022 will stop upon completion of time cycle
Time Template
Time Template (not to scale)

 

Prices

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Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices
Trade-in any brand Drying Time Recorder to receive 20% off the Ultracycle RHT
DT-5022 Ultracycle RHT Circular Drying Time Recorder $1,295.00
Replacements
DT-5029 Template Replacement 9.00
DT-500F/RSB Stylus Shaft and 3/8" Teflon Ball 24.00
DT-508121 Threaded Counter weight replacement 37.00
DT-5083 12 gram replacement weight 39.00
Disclaimer: Although Paul N. Gardner Company, Inc. has attempted to provide accurate information, the Paul N. Gardner Company, Inc. assumes no responsibility for the accuracy of the information.



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