When you're shopping for data acquisition recorders, the first decision is whether you need a device that's already focused on a specific measurement or a system that you can plug into a larger setup. The Dickson TWP DicksonOne Touchscreen Temperature/Humidity Data Logger & RTRH Probe and the DATAQ Instruments DI-500-16 Data Acquisition System sit on opposite sides of that split. This head-to-head is about helping you see which one is the right fit for your project.
Quick Verdict
If your job is tracking temperature and humidity and you want a logger that's ready to use, the Dickson TWP is the more direct choice. If you're looking for a data acquisition system to build around, the DATAQ DI-500-16 is the system-level option. The price reflects that difference in scope.
Comparison Table
| Consideration | Dickson TWP Logger | DATAQ DI-500-16 System |
|---|---|---|
| Listed price | USD 199.73 | USD 635.00 |
| Product type | Temperature/humidity data logger with RTRH probe | Data acquisition system |
| Model | TWP | DI-500-16 |
| Condition | Used | Used |
| Country of Origin | United States | United States |
Where Each Product Wins
- Dickson TWP wins if you need a complete temperature/humidity logging package with a touchscreen and cloud access. It connects via WiFi or Ethernet and runs on AC power, so it fits directly into a facility's network.
- DATAQ DI-500-16 wins if you're assembling a data acquisition setup. This is a system, not a dedicated climate logger. The DI-500-16 is the product to start from when your project is centered on a data acquisition platform rather than a single measurement type.
Product Notes
Dickson TWP DicksonOne Touchscreen Temperature/Humidity Data Logger & RTRH Probe
The Dickson TWP pairs an 8-inch capacitive touchscreen with a temperature/humidity logger and an RTRH probe, so you're getting both the sensing element and the interface in one unit. At $199.73, it's the lower-priced option here. The touchscreen provides customizable views and alarms, and DicksonOne cloud access lets you retrieve data from anywhere. WiFi/Ethernet options and AC power make network integration straightforward. The main caveat is that full DicksonOne functionality requires a separate agreement with Dickson, which is not included. This is also a used unit with a 14-day guarantee, so you have a limited window to confirm it meets your needs.
DATAQ Instruments Data Acquisition System DI-500-16
The DATAQ DI-500-16 is the system-level contender at $635.00. It's a used data acquisition system made in the United States, and it's positioned as a platform rather than a dedicated temperature/humidity logger. That makes it a fit when your project needs a data acquisition unit that you can configure for your own setup. The trade-off is the price: it's a significantly larger investment than the Dickson TWP, and because it's sold used, the condition is something to weigh carefully. If you're ready to work with a system rather than a ready-to-run logger, this is the product to put on your list.
Final Choice by Use Case
For temperature and humidity logging, the Dickson TWP is the clear pick. It costs less and gives you a working logger plus probe right away. For a data acquisition system, the DATAQ DI-500-16 is the option that matches that need. Let your planned use case decide: focused logger or system platform.

