Head to head
ThermoWorks Thermapen® ONE vs ThermoWorks Talking Thermometer (RT8400)
Our pick
ThermoWorks Thermapen® ONE
Instant-Read Thermometers
Why this one
- Choose the Thermapen ONE for quick temperature checks: its stated one-second reading time helps when you are checking several pieces of food.1
Product photographs. Not to scale.
What ThermoWorks Talking Thermometer (RT8400) offers
Choose the Talking Thermometer RT8400 when you want a longer probe: its 4.9-inch probe gives more reach.2
2 models / at a glance
Key differences
What differs
| Specification | ThermoWorks Thermapen® ONE | ThermoWorks Talking Thermometer (RT8400) |
|---|---|---|
| Read time | 1 s1 | 10 s3 |
| Accuracy | 0.5 deg_f1 | 1.8 deg_f3 |
| Water resistance | IP67 Waterproof1 | Not rated3 |
| Probe length | 4.3 in1 | 4.92125 in2 |