THDX
This product has been replaced by the TH803
Our THDX has been completely redesigned and now goes by Model TH8. The new TH8 has the same functionality as the THDX but in a smaller, more robust package and at a lower price - $599.
Click on the link to view and order the NEW TH8 Chart Recorder.
TH803
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Important Information
Charts are sold separately.
Dickson Expert Services
Our Dickson Data Division has specially trained representatives to address the needs of customers with large installations or unique demands. Please call 888-452-4626.
| C415 | 8" (203mm) Chart 24-Hour, -20 to 120 F | $35.00 | Add |
| C417 | 8" (203mm) Chart 7-Day, -20 to 120 F | $35.00 | Add |
| C472 | 8" (203mm) Chart 24-Hour, -20 to 50 C | $35.00 | Add |
| C473 | 8" (203mm) Chart 7-Day, -20 to 50 C | $35.00 | Add |
| C476 | 8" (203mm) Chart 24-Hour, 40 to 110 F | $35.00 | Add |
| C477 | 8" (203mm) Chart 7-Day, 40 to 110 F | $35.00 | Add |
| C478 | 8" (203mm) Chart 24-Hour, 5 to 40 C | $35.00 | Add |
| C479 | 8" (203mm) Chart 7-Day, 5 to 40 C | $35.00 | Add |
| C480 | 8" (203mm) Chart 31-Day, -20 to 120 F | $35.00 | Add |
| C481 | 8" (203mm) Chart 31-Day, 40 to 110 F | $35.00 | Add |
| C482 | 8" (203mm) Chart 31-Day, -20 to 50 C | $35.00 | Add |
| C483 | 8" (203mm) Chart 31-Day, 5 to 40 C | $35.00 | Add |
| P246 | 3 Red, 3 Blue Pens | $43.00 | Add |
Frequently Asked Questions
Why does Humidity read 99% or 0% at all times?
- The Humidity sensor has possibly been saturated or damaged.
- If 99% is caused by the environment, this means that the sensor has been saturated. The THDX is not intended for condensing environments or applications over 95% however, a protective filter may be used (#A867) in some cases.
- If the sensor was saturated, the unit may return to normal operation after a few hours in a dry environment.
Why don't the display and chart match?
- Dip switches set for a specific range, but using chart for another range, or vice versa
- Dip switch #3 (Celsius setting) is on, but using Fahrenheit chart, or vice versa
- Pen(s) not inserted on pen arm(s) all the way
- Pen home not set properly. Perform a pen home check by pressing the PEN HOME key, and verify the pen(s) stop at the maximum Temperature line on the chart. If the pen(s) don't line up, loosen the screws at the top of the pen arm(s), then adjust the pen(s) so that they are lined up properly. Then re-tighten the screw(s) on the pen arm(s)
- Gears jammed or slipping (You should hear the gears grinding)